diff --git a/backend/src/@types/knex.d.ts b/backend/src/@types/knex.d.ts
index 5b1b3770e..31b80e0e3 100644
--- a/backend/src/@types/knex.d.ts
+++ b/backend/src/@types/knex.d.ts
@@ -32,6 +32,9 @@ import {
   TIdentityOrgMemberships,
   TIdentityOrgMembershipsInsert,
   TIdentityOrgMembershipsUpdate,
+  TIdentityProjectMembershipRole,
+  TIdentityProjectMembershipRoleInsert,
+  TIdentityProjectMembershipRoleUpdate,
   TIdentityProjectMemberships,
   TIdentityProjectMembershipsInsert,
   TIdentityProjectMembershipsUpdate,
@@ -280,6 +283,11 @@ declare module "knex/types/tables" {
       TIdentityProjectMembershipsInsert,
       TIdentityProjectMembershipsUpdate
     >;
+    [TableName.IdentityProjectMembershipRole]: Knex.CompositeTableType<
+      TIdentityProjectMembershipRole,
+      TIdentityProjectMembershipRoleInsert,
+      TIdentityProjectMembershipRoleUpdate
+    >;
     [TableName.ScimToken]: Knex.CompositeTableType<TScimTokens, TScimTokensInsert, TScimTokensUpdate>;
     [TableName.SecretApprovalPolicy]: Knex.CompositeTableType<
       TSecretApprovalPolicies,
diff --git a/backend/src/db/migrations/20240308154949_temp-roles.ts b/backend/src/db/migrations/20240308154949_temp-roles.ts
index e37dc8f4b..462aec229 100644
--- a/backend/src/db/migrations/20240308154949_temp-roles.ts
+++ b/backend/src/db/migrations/20240308154949_temp-roles.ts
@@ -21,37 +21,37 @@ export async function up(knex: Knex): Promise<void> {
       t.datetime("temporaryAccessEndTime");
       t.timestamps(true, true, true);
     });
-
-    await createOnUpdateTrigger(knex, TableName.ProjectUserMembershipRole);
-
-    const projectMembershipStream = knex.select("*").from(TableName.ProjectMembership).stream();
-    const chunkSize = 1000;
-    let rows: TProjectUserMembershipRolesInsert[] = [];
-    for await (const row of projectMembershipStream) {
-      // disabling eslint just this part because the latest ts type doesn't have these values after migration as they are removed
-      /* eslint-disable  */
-      // @ts-ignore - created at is inserted from old data
-      rows = rows.concat({
-        // @ts-ignore - missing in ts type post migration
-        role: row.role,
-        // @ts-ignore - missing in ts type post migration
-        customRoleId: row.roleId,
-        projectMembershipId: row.id,
-        createdAt: row.createdAt,
-        updatedAt: row.updatedAt
-      });
-      /* eslint-disable */
-      if (rows.length >= chunkSize) {
-        await knex(TableName.ProjectUserMembershipRole).insert(rows);
-        rows.splice(0, rows.length);
-      }
-    }
-    await knex(TableName.ProjectUserMembershipRole).insert(rows);
-    await knex.schema.alterTable(TableName.ProjectMembership, (t) => {
-      t.dropColumn("roleId");
-      t.dropColumn("role");
-    });
   }
+
+  await createOnUpdateTrigger(knex, TableName.ProjectUserMembershipRole);
+
+  const projectMembershipStream = knex.select("*").from(TableName.ProjectMembership).stream();
+  const chunkSize = 1000;
+  let rows: TProjectUserMembershipRolesInsert[] = [];
+  for await (const row of projectMembershipStream) {
+    // disabling eslint just this part because the latest ts type doesn't have these values after migration as they are removed
+    /* eslint-disable  */
+    // @ts-ignore - created at is inserted from old data
+    rows = rows.concat({
+      // @ts-ignore - missing in ts type post migration
+      role: row.role,
+      // @ts-ignore - missing in ts type post migration
+      customRoleId: row.roleId,
+      projectMembershipId: row.id,
+      createdAt: row.createdAt,
+      updatedAt: row.updatedAt
+    });
+    /* eslint-disable */
+    if (rows.length >= chunkSize) {
+      await knex(TableName.ProjectUserMembershipRole).insert(rows);
+      rows.splice(0, rows.length);
+    }
+  }
+  if (rows.length) await knex(TableName.ProjectUserMembershipRole).insert(rows);
+  await knex.schema.alterTable(TableName.ProjectMembership, (t) => {
+    t.dropColumn("roleId");
+    t.dropColumn("role");
+  });
 }
 
 export async function down(knex: Knex): Promise<void> {
diff --git a/backend/src/db/migrations/20240311093939_temp-role-identity.ts b/backend/src/db/migrations/20240311093939_temp-role-identity.ts
new file mode 100644
index 000000000..b788bf259
--- /dev/null
+++ b/backend/src/db/migrations/20240311093939_temp-role-identity.ts
@@ -0,0 +1,80 @@
+import { Knex } from "knex";
+
+import { TableName, TIdentityProjectMembershipRoleInsert } from "../schemas";
+import { createOnUpdateTrigger, dropOnUpdateTrigger } from "../utils";
+
+export async function up(knex: Knex): Promise<void> {
+  const doesTableExist = await knex.schema.hasTable(TableName.IdentityProjectMembershipRole);
+  if (!doesTableExist) {
+    await knex.schema.createTable(TableName.IdentityProjectMembershipRole, (t) => {
+      t.uuid("id", { primaryKey: true }).defaultTo(knex.fn.uuid());
+      t.string("role").notNullable();
+      t.uuid("projectMembershipId").notNullable();
+      t.foreign("projectMembershipId")
+        .references("id")
+        .inTable(TableName.IdentityProjectMembership)
+        .onDelete("CASCADE");
+      // until role is changed/removed the role should not deleted
+      t.uuid("customRoleId");
+      t.foreign("customRoleId").references("id").inTable(TableName.ProjectRoles);
+      t.boolean("isTemporary").notNullable().defaultTo(false);
+      t.string("temporaryMode");
+      t.string("temporaryRange"); // could be cron or relative time like 1H or 1minute etc
+      t.datetime("temporaryAccessStartTime");
+      t.datetime("temporaryAccessEndTime");
+      t.timestamps(true, true, true);
+    });
+  }
+
+  await createOnUpdateTrigger(knex, TableName.IdentityProjectMembershipRole);
+
+  const projectMembershipStream = knex.select("*").from(TableName.IdentityProjectMembership).stream();
+  const chunkSize = 1000;
+  let rows: TIdentityProjectMembershipRoleInsert[] = [];
+  for await (const row of projectMembershipStream) {
+    // disabling eslint just this part because the latest ts type doesn't have these values after migration as they are removed
+    /* eslint-disable  */
+    // @ts-ignore - created at is inserted from old data
+    rows = rows.concat({
+      // @ts-ignore - missing in ts type post migration
+      role: row.role,
+      // @ts-ignore - missing in ts type post migration
+      customRoleId: row.roleId,
+      projectMembershipId: row.id,
+      createdAt: row.createdAt,
+      updatedAt: row.updatedAt
+    });
+    /* eslint-disable */
+    if (rows.length >= chunkSize) {
+      await knex(TableName.IdentityProjectMembershipRole).insert(rows);
+      rows.splice(0, rows.length);
+    }
+  }
+  if(rows.length) await knex(TableName.IdentityProjectMembershipRole).insert(rows);
+  await knex.schema.alterTable(TableName.IdentityProjectMembership, (t) => {
+    t.dropColumn("roleId");
+    t.dropColumn("role");
+  });
+}
+
+export async function down(knex: Knex): Promise<void> {
+  const projectIdentityMembershipRoleStream = knex.select("*").from(TableName.IdentityProjectMembershipRole).stream();
+  await knex.schema.alterTable(TableName.IdentityProjectMembership, (t) => {
+    t.string("role");
+    t.uuid("roleId");
+    t.foreign("roleId").references("id").inTable(TableName.ProjectRoles);
+  });
+  for await (const row of projectIdentityMembershipRoleStream) {
+    await knex(TableName.IdentityProjectMembership).where({ id: row.projectMembershipId }).update({
+      // @ts-ignore - since the latest one doesn't have roleId anymore there will be type error here
+      roleId: row.customRoleId,
+      role: row.role
+    });
+  }
+  await knex.schema.alterTable(TableName.IdentityProjectMembership, (t) => {
+    t.string("role").notNullable().alter({ alterNullable: true });
+  });
+
+  await knex.schema.dropTableIfExists(TableName.IdentityProjectMembershipRole);
+  await dropOnUpdateTrigger(knex, TableName.IdentityProjectMembershipRole);
+}
diff --git a/backend/src/db/schemas/identity-project-membership-role.ts b/backend/src/db/schemas/identity-project-membership-role.ts
new file mode 100644
index 000000000..90a0a3538
--- /dev/null
+++ b/backend/src/db/schemas/identity-project-membership-role.ts
@@ -0,0 +1,31 @@
+// Code generated by automation script, DO NOT EDIT.
+// Automated by pulling database and generating zod schema
+// To update. Just run npm run generate:schema
+// Written by akhilmhdh.
+
+import { z } from "zod";
+
+import { TImmutableDBKeys } from "./models";
+
+export const IdentityProjectMembershipRoleSchema = z.object({
+  id: z.string().uuid(),
+  role: z.string(),
+  projectMembershipId: z.string().uuid(),
+  customRoleId: z.string().uuid().nullable().optional(),
+  isTemporary: z.boolean().default(false),
+  temporaryMode: z.string().nullable().optional(),
+  temporaryRange: z.string().nullable().optional(),
+  temporaryAccessStartTime: z.date().nullable().optional(),
+  temporaryAccessEndTime: z.date().nullable().optional(),
+  createdAt: z.date(),
+  updatedAt: z.date()
+});
+
+export type TIdentityProjectMembershipRole = z.infer<typeof IdentityProjectMembershipRoleSchema>;
+export type TIdentityProjectMembershipRoleInsert = Omit<
+  z.input<typeof IdentityProjectMembershipRoleSchema>,
+  TImmutableDBKeys
+>;
+export type TIdentityProjectMembershipRoleUpdate = Partial<
+  Omit<z.input<typeof IdentityProjectMembershipRoleSchema>, TImmutableDBKeys>
+>;
diff --git a/backend/src/db/schemas/identity-project-memberships.ts b/backend/src/db/schemas/identity-project-memberships.ts
index 276c9581e..2f17c36d8 100644
--- a/backend/src/db/schemas/identity-project-memberships.ts
+++ b/backend/src/db/schemas/identity-project-memberships.ts
@@ -9,8 +9,6 @@ import { TImmutableDBKeys } from "./models";
 
 export const IdentityProjectMembershipsSchema = z.object({
   id: z.string().uuid(),
-  role: z.string(),
-  roleId: z.string().uuid().nullable().optional(),
   projectId: z.string(),
   identityId: z.string().uuid(),
   createdAt: z.date(),
diff --git a/backend/src/db/schemas/index.ts b/backend/src/db/schemas/index.ts
index f39d54ed3..001fdbf18 100644
--- a/backend/src/db/schemas/index.ts
+++ b/backend/src/db/schemas/index.ts
@@ -8,6 +8,7 @@ export * from "./git-app-org";
 export * from "./identities";
 export * from "./identity-access-tokens";
 export * from "./identity-org-memberships";
+export * from "./identity-project-membership-role";
 export * from "./identity-project-memberships";
 export * from "./identity-ua-client-secrets";
 export * from "./identity-universal-auths";
diff --git a/backend/src/db/schemas/models.ts b/backend/src/db/schemas/models.ts
index 7a14695fa..f85feff9c 100644
--- a/backend/src/db/schemas/models.ts
+++ b/backend/src/db/schemas/models.ts
@@ -42,6 +42,7 @@ export enum TableName {
   IdentityUaClientSecret = "identity_ua_client_secrets",
   IdentityOrgMembership = "identity_org_memberships",
   IdentityProjectMembership = "identity_project_memberships",
+  IdentityProjectMembershipRole = "identity_project_membership_role",
   ScimToken = "scim_tokens",
   SecretApprovalPolicy = "secret_approval_policies",
   SecretApprovalPolicyApprover = "secret_approval_policies_approvers",
diff --git a/backend/src/db/seeds/4-machine-identity.ts b/backend/src/db/seeds/4-machine-identity.ts
index 149fba40a..662232e02 100644
--- a/backend/src/db/seeds/4-machine-identity.ts
+++ b/backend/src/db/seeds/4-machine-identity.ts
@@ -75,9 +75,15 @@ export async function seed(knex: Knex): Promise<void> {
     }
   ]);
 
-  await knex(TableName.IdentityProjectMembership).insert({
-    identityId: seedData1.machineIdentity.id,
+  const identityProjectMembership = await knex(TableName.IdentityProjectMembership)
+    .insert({
+      identityId: seedData1.machineIdentity.id,
+      projectId: seedData1.project.id
+    })
+    .returning("*");
+
+  await knex(TableName.IdentityProjectMembershipRole).insert({
     role: ProjectMembershipRole.Admin,
-    projectId: seedData1.project.id
+    projectMembershipId: identityProjectMembership[0].id
   });
 }
diff --git a/backend/src/ee/services/license/licence-fns.ts b/backend/src/ee/services/license/licence-fns.ts
index 0f0409ca2..8dca96737 100644
--- a/backend/src/ee/services/license/licence-fns.ts
+++ b/backend/src/ee/services/license/licence-fns.ts
@@ -18,7 +18,7 @@ export const getDefaultOnPremFeatures = (): TFeatureSet => ({
   secretVersioning: true,
   pitRecovery: false,
   ipAllowlisting: false,
-  rbac: true,
+  rbac: false,
   customRateLimits: false,
   customAlerts: false,
   auditLogs: false,
diff --git a/backend/src/ee/services/permission/permission-dal.ts b/backend/src/ee/services/permission/permission-dal.ts
index 1b01c30de..3cce464b0 100644
--- a/backend/src/ee/services/permission/permission-dal.ts
+++ b/backend/src/ee/services/permission/permission-dal.ts
@@ -1,7 +1,7 @@
 import { z } from "zod";
 
 import { TDbClient } from "@app/db";
-import { ProjectUserMembershipRolesSchema, TableName } from "@app/db/schemas";
+import { IdentityProjectMembershipRoleSchema, ProjectUserMembershipRolesSchema, TableName } from "@app/db/schemas";
 import { DatabaseError } from "@app/lib/errors";
 import { selectAllTableCols, sqlNestRelationships } from "@app/lib/knex";
 
@@ -108,18 +108,60 @@ export const permissionDALFactory = (db: TDbClient) => {
 
   const getProjectIdentityPermission = async (identityId: string, projectId: string) => {
     try {
-      const membership = await db(TableName.IdentityProjectMembership)
+      const docs = await db(TableName.IdentityProjectMembership)
+        .join(
+          TableName.IdentityProjectMembershipRole,
+          `${TableName.IdentityProjectMembershipRole}.projectMembershipId`,
+          `${TableName.IdentityProjectMembership}.id`
+        )
         .leftJoin(
           TableName.ProjectRoles,
-          `${TableName.IdentityProjectMembership}.roleId`,
+          `${TableName.IdentityProjectMembershipRole}.customRoleId`,
           `${TableName.ProjectRoles}.id`
         )
         .where("identityId", identityId)
         .where(`${TableName.IdentityProjectMembership}.projectId`, projectId)
-        .select(selectAllTableCols(TableName.IdentityProjectMembership))
-        .select("permissions")
-        .first();
-      return membership;
+        .select(selectAllTableCols(TableName.IdentityProjectMembershipRole))
+        .select(
+          db.ref("id").withSchema(TableName.IdentityProjectMembership).as("membershipId"),
+          db.ref("createdAt").withSchema(TableName.IdentityProjectMembership).as("membershipCreatedAt"),
+          db.ref("updatedAt").withSchema(TableName.IdentityProjectMembership).as("membershipUpdatedAt"),
+          db.ref("slug").withSchema(TableName.ProjectRoles).as("customRoleSlug")
+        )
+        .select("permissions");
+
+      const permission = sqlNestRelationships({
+        data: docs,
+        key: "membershipId",
+        parentMapper: ({ membershipId, membershipCreatedAt, membershipUpdatedAt }) => ({
+          id: membershipId,
+          identityId,
+          projectId,
+          createdAt: membershipCreatedAt,
+          updatedAt: membershipUpdatedAt,
+          // just a prefilled value
+          orgAuthEnforced: false,
+          orgId: ""
+        }),
+        childrenMapper: [
+          {
+            key: "id",
+            label: "roles" as const,
+            mapper: (data) =>
+              IdentityProjectMembershipRoleSchema.extend({
+                permissions: z.unknown(),
+                customRoleSlug: z.string().optional().nullable()
+              }).parse(data)
+          }
+        ]
+      });
+
+      // when introducting cron mode change it here
+      const activeRoles = permission?.[0]?.roles.filter(
+        ({ isTemporary, temporaryAccessEndTime }) =>
+          !isTemporary || (isTemporary && temporaryAccessEndTime && new Date() < temporaryAccessEndTime)
+      );
+      return permission?.[0] ? { ...permission[0], roles: activeRoles } : undefined;
     } catch (error) {
       throw new DatabaseError({ error, name: "GetProjectIdentityPermission" });
     }
diff --git a/backend/src/ee/services/permission/permission-service.ts b/backend/src/ee/services/permission/permission-service.ts
index 02adc5069..c7dcf4b8c 100644
--- a/backend/src/ee/services/permission/permission-service.ts
+++ b/backend/src/ee/services/permission/permission-service.ts
@@ -67,7 +67,7 @@ export const permissionServiceFactory = ({
 
   const buildProjectPermission = (projectUserRoles: TBuildProjectPermissionDTO) => {
     const rules = projectUserRoles
-      .map(({ role, permission }) => {
+      .map(({ role, permissions }) => {
         switch (role) {
           case ProjectMembershipRole.Admin:
             return projectAdminPermissions;
@@ -77,10 +77,11 @@ export const permissionServiceFactory = ({
             return projectViewerPermission;
           case ProjectMembershipRole.NoAccess:
             return projectNoAccessPermissions;
-          case ProjectMembershipRole.Custom:
+          case ProjectMembershipRole.Custom: {
             return unpackRules<RawRuleOf<MongoAbility<ProjectPermissionSet>>>(
-              permission as PackRule<RawRuleOf<MongoAbility<ProjectPermissionSet>>>[]
+              permissions as PackRule<RawRuleOf<MongoAbility<ProjectPermissionSet>>>[]
             );
+          }
           default:
             throw new BadRequestError({
               name: "ProjectRoleInvalid",
@@ -149,7 +150,11 @@ export const permissionServiceFactory = ({
   };
 
   // user permission for a project in an organization
-  const getUserProjectPermission = async (userId: string, projectId: string, userOrgId?: string) => {
+  const getUserProjectPermission = async (
+    userId: string,
+    projectId: string,
+    userOrgId?: string
+  ): Promise<TProjectPermissionRT<ActorType.USER>> => {
     const userProjectPermission = await permissionDAL.getProjectPermission(userId, projectId);
     if (!userProjectPermission) throw new UnauthorizedError({ name: "User not in project" });
 
@@ -173,16 +178,28 @@ export const permissionServiceFactory = ({
     };
   };
 
-  const getIdentityProjectPermission = async (identityId: string, projectId: string) => {
-    const membership = await permissionDAL.getProjectIdentityPermission(identityId, projectId);
-    if (!membership) throw new UnauthorizedError({ name: "Identity not in project" });
-    if (membership.role === ProjectMembershipRole.Custom && !membership.permissions) {
+  const getIdentityProjectPermission = async (
+    identityId: string,
+    projectId: string
+  ): Promise<TProjectPermissionRT<ActorType.IDENTITY>> => {
+    const identityProjectPermission = await permissionDAL.getProjectIdentityPermission(identityId, projectId);
+    if (!identityProjectPermission) throw new UnauthorizedError({ name: "Identity not in project" });
+
+    if (
+      identityProjectPermission.roles.some(
+        ({ role, permissions }) => role === ProjectMembershipRole.Custom && !permissions
+      )
+    ) {
       throw new BadRequestError({ name: "Custom permission not found" });
     }
 
     return {
-      permission: buildProjectPermission([{ role: membership.role, permission: membership.permissions }]),
-      membership
+      permission: buildProjectPermission(identityProjectPermission.roles),
+      membership: identityProjectPermission,
+      hasRole: (role: string) =>
+        identityProjectPermission.roles.findIndex(
+          ({ role: slug, customRoleSlug }) => role === slug || slug === customRoleSlug
+        ) !== -1
     };
   };
 
@@ -202,7 +219,11 @@ export const permissionServiceFactory = ({
   };
 
   type TProjectPermissionRT<T extends ActorType> = T extends ActorType.SERVICE
-    ? { permission: MongoAbility<ProjectPermissionSet, MongoQuery>; membership: undefined; hasRole: () => false } // service token doesn't have both membership and roles
+    ? {
+        permission: MongoAbility<ProjectPermissionSet, MongoQuery>;
+        membership: undefined;
+        hasRole: (arg: string) => boolean;
+      } // service token doesn't have both membership and roles
     : {
         permission: MongoAbility<ProjectPermissionSet, MongoQuery>;
         membership: (T extends ActorType.USER ? TProjectMemberships : TIdentityProjectMemberships) & {
@@ -241,12 +262,12 @@ export const permissionServiceFactory = ({
       if (!projectRole) throw new BadRequestError({ message: "Role not found" });
       return {
         permission: buildProjectPermission([
-          { role: ProjectMembershipRole.Custom, permission: projectRole.permissions }
+          { role: ProjectMembershipRole.Custom, permissions: projectRole.permissions }
         ]),
         role: projectRole
       };
     }
-    return { permission: buildProjectPermission([{ role, permission: [] }]) };
+    return { permission: buildProjectPermission([{ role, permissions: [] }]) };
   };
 
   return {
diff --git a/backend/src/ee/services/permission/permission-types.ts b/backend/src/ee/services/permission/permission-types.ts
index ea3d5f1fc..a35958ffd 100644
--- a/backend/src/ee/services/permission/permission-types.ts
+++ b/backend/src/ee/services/permission/permission-types.ts
@@ -1,4 +1,4 @@
 export type TBuildProjectPermissionDTO = {
-  permission?: unknown;
+  permissions?: unknown;
   role: string;
 }[];
diff --git a/backend/src/server/routes/index.ts b/backend/src/server/routes/index.ts
index 1a9d2ed37..0a49806bd 100644
--- a/backend/src/server/routes/index.ts
+++ b/backend/src/server/routes/index.ts
@@ -53,6 +53,7 @@ import { identityServiceFactory } from "@app/services/identity/identity-service"
 import { identityAccessTokenDALFactory } from "@app/services/identity-access-token/identity-access-token-dal";
 import { identityAccessTokenServiceFactory } from "@app/services/identity-access-token/identity-access-token-service";
 import { identityProjectDALFactory } from "@app/services/identity-project/identity-project-dal";
+import { identityProjectMembershipRoleDALFactory } from "@app/services/identity-project/identity-project-membership-role-dal";
 import { identityProjectServiceFactory } from "@app/services/identity-project/identity-project-service";
 import { identityUaClientSecretDALFactory } from "@app/services/identity-ua/identity-ua-client-secret-dal";
 import { identityUaDALFactory } from "@app/services/identity-ua/identity-ua-dal";
@@ -166,6 +167,7 @@ export const registerRoutes = async (
   const identityAccessTokenDAL = identityAccessTokenDALFactory(db);
   const identityOrgMembershipDAL = identityOrgDALFactory(db);
   const identityProjectDAL = identityProjectDALFactory(db);
+  const identityProjectMembershipRoleDAL = identityProjectMembershipRoleDALFactory(db);
 
   const identityUaDAL = identityUaDALFactory(db);
   const identityUaClientSecretDAL = identityUaClientSecretDALFactory(db);
@@ -374,8 +376,10 @@ export const registerRoutes = async (
     projectMembershipDAL,
     folderDAL,
     licenseService,
-    projectUserMembershipRoleDAL
+    projectUserMembershipRoleDAL,
+    identityProjectMembershipRoleDAL
   });
+
   const projectEnvService = projectEnvServiceFactory({
     permissionService,
     projectEnvDAL,
@@ -526,7 +530,9 @@ export const registerRoutes = async (
     permissionService,
     projectDAL,
     identityProjectDAL,
-    identityOrgMembershipDAL
+    identityOrgMembershipDAL,
+    identityProjectMembershipRoleDAL,
+    projectRoleDAL
   });
   const identityUaService = identityUaServiceFactory({
     identityOrgMembershipDAL,
diff --git a/backend/src/server/routes/v1/project-membership-router.ts b/backend/src/server/routes/v1/project-membership-router.ts
index 80d1a11bd..1c7bd8770 100644
--- a/backend/src/server/routes/v1/project-membership-router.ts
+++ b/backend/src/server/routes/v1/project-membership-router.ts
@@ -136,21 +136,24 @@ export const registerProjectMembershipRouter = async (server: FastifyZodProvider
         membershipId: z.string().trim()
       }),
       body: z.object({
-        roles: z.array(
-          z.union([
-            z.object({
-              role: z.string(),
-              isTemporary: z.literal(false).default(false)
-            }),
-            z.object({
-              role: z.string(),
-              isTemporary: z.literal(true),
-              temporaryMode: z.nativeEnum(ProjectUserMembershipTemporaryMode),
-              temporaryRange: z.string(),
-              temporaryAccessStartTime: z.string().datetime()
-            })
-          ])
-        )
+        roles: z
+          .array(
+            z.union([
+              z.object({
+                role: z.string(),
+                isTemporary: z.literal(false).default(false)
+              }),
+              z.object({
+                role: z.string(),
+                isTemporary: z.literal(true),
+                temporaryMode: z.nativeEnum(ProjectUserMembershipTemporaryMode),
+                temporaryRange: z.string(),
+                temporaryAccessStartTime: z.string().datetime()
+              })
+            ])
+          )
+          .min(1)
+          .refine((data) => data.some(({ isTemporary }) => !isTemporary), "Atleast one permanent role required")
       }),
       response: {
         200: z.object({
diff --git a/backend/src/server/routes/v2/identity-project-router.ts b/backend/src/server/routes/v2/identity-project-router.ts
index fdd810b4b..460a48aa3 100644
--- a/backend/src/server/routes/v2/identity-project-router.ts
+++ b/backend/src/server/routes/v2/identity-project-router.ts
@@ -4,10 +4,11 @@ import {
   IdentitiesSchema,
   IdentityProjectMembershipsSchema,
   ProjectMembershipRole,
-  ProjectRolesSchema
+  ProjectUserMembershipRolesSchema
 } from "@app/db/schemas";
 import { verifyAuth } from "@app/server/plugins/auth/verify-auth";
 import { AuthMode } from "@app/services/auth/auth-type";
+import { ProjectUserMembershipTemporaryMode } from "@app/services/project-membership/project-membership-types";
 
 export const registerIdentityProjectRouter = async (server: FastifyZodProvider) => {
   server.route({
@@ -57,24 +58,41 @@ export const registerIdentityProjectRouter = async (server: FastifyZodProvider)
         identityId: z.string().trim()
       }),
       body: z.object({
-        role: z.string().trim().min(1).default(ProjectMembershipRole.NoAccess)
+        roles: z
+          .array(
+            z.union([
+              z.object({
+                role: z.string(),
+                isTemporary: z.literal(false).default(false)
+              }),
+              z.object({
+                role: z.string(),
+                isTemporary: z.literal(true),
+                temporaryMode: z.nativeEnum(ProjectUserMembershipTemporaryMode),
+                temporaryRange: z.string(),
+                temporaryAccessStartTime: z.string().datetime()
+              })
+            ])
+          )
+          .min(1)
+          .refine((data) => data.some(({ isTemporary }) => !isTemporary), "Atleast one permanent role required")
       }),
       response: {
         200: z.object({
-          identityMembership: IdentityProjectMembershipsSchema
+          roles: ProjectUserMembershipRolesSchema.array()
         })
       }
     },
     handler: async (req) => {
-      const identityMembership = await server.services.identityProject.updateProjectIdentity({
+      const roles = await server.services.identityProject.updateProjectIdentity({
         actor: req.permission.type,
         actorId: req.permission.id,
         actorOrgId: req.permission.orgId,
         identityId: req.params.identityId,
         projectId: req.params.projectId,
-        role: req.body.role
+        roles: req.body.roles
       });
-      return { identityMembership };
+      return { roles };
     }
   });
 
@@ -127,18 +145,29 @@ export const registerIdentityProjectRouter = async (server: FastifyZodProvider)
       }),
       response: {
         200: z.object({
-          identityMemberships: IdentityProjectMembershipsSchema.merge(
-            z.object({
-              customRole: ProjectRolesSchema.pick({
-                id: true,
-                name: true,
-                slug: true,
-                permissions: true,
-                description: true
-              }).optional(),
+          identityMemberships: z
+            .object({
+              id: z.string(),
+              identityId: z.string(),
+              createdAt: z.date(),
+              updatedAt: z.date(),
+              roles: z.array(
+                z.object({
+                  id: z.string(),
+                  role: z.string(),
+                  customRoleId: z.string().optional().nullable(),
+                  customRoleName: z.string().optional().nullable(),
+                  customRoleSlug: z.string().optional().nullable(),
+                  isTemporary: z.boolean(),
+                  temporaryMode: z.string().optional().nullable(),
+                  temporaryRange: z.string().nullable().optional(),
+                  temporaryAccessStartTime: z.date().nullable().optional(),
+                  temporaryAccessEndTime: z.date().nullable().optional()
+                })
+              ),
               identity: IdentitiesSchema.pick({ name: true, id: true, authMethod: true })
             })
-          ).array()
+            .array()
         })
       }
     },
diff --git a/backend/src/services/identity-project/identity-project-dal.ts b/backend/src/services/identity-project/identity-project-dal.ts
index dbb864387..dd3ba04f4 100644
--- a/backend/src/services/identity-project/identity-project-dal.ts
+++ b/backend/src/services/identity-project/identity-project-dal.ts
@@ -3,7 +3,7 @@ import { Knex } from "knex";
 import { TDbClient } from "@app/db";
 import { TableName } from "@app/db/schemas";
 import { DatabaseError } from "@app/lib/errors";
-import { ormify, selectAllTableCols } from "@app/lib/knex";
+import { ormify, sqlNestRelationships } from "@app/lib/knex";
 
 export type TIdentityProjectDALFactory = ReturnType<typeof identityProjectDALFactory>;
 
@@ -15,52 +15,81 @@ export const identityProjectDALFactory = (db: TDbClient) => {
       const docs = await (tx || db)(TableName.IdentityProjectMembership)
         .where(`${TableName.IdentityProjectMembership}.projectId`, projectId)
         .join(TableName.Identity, `${TableName.IdentityProjectMembership}.identityId`, `${TableName.Identity}.id`)
+        .join(
+          TableName.IdentityProjectMembershipRole,
+          `${TableName.IdentityProjectMembershipRole}.projectMembershipId`,
+          `${TableName.IdentityProjectMembership}.id`
+        )
         .leftJoin(
           TableName.ProjectRoles,
-          `${TableName.IdentityProjectMembership}.roleId`,
+          `${TableName.IdentityProjectMembershipRole}.customRoleId`,
           `${TableName.ProjectRoles}.id`
         )
-        .select(selectAllTableCols(TableName.IdentityProjectMembership))
-        // cr stands for custom role
-        .select(db.ref("id").as("crId").withSchema(TableName.ProjectRoles))
-        .select(db.ref("name").as("crName").withSchema(TableName.ProjectRoles))
-        .select(db.ref("slug").as("crSlug").withSchema(TableName.ProjectRoles))
-        .select(db.ref("description").as("crDescription").withSchema(TableName.ProjectRoles))
-        .select(db.ref("permissions").as("crPermission").withSchema(TableName.ProjectRoles))
-        .select(db.ref("permissions").as("crPermission").withSchema(TableName.ProjectRoles))
-        .select(db.ref("id").as("identityId").withSchema(TableName.Identity))
-        .select(db.ref("name").as("identityName").withSchema(TableName.Identity))
-        .select(db.ref("authMethod").as("identityAuthMethod").withSchema(TableName.Identity));
-      return docs.map(
-        ({
-          crId,
-          crDescription,
-          crSlug,
-          crPermission,
-          crName,
-          identityId,
-          identityName,
-          identityAuthMethod,
-          ...el
-        }) => ({
-          ...el,
+        .select(
+          db.ref("id").withSchema(TableName.IdentityProjectMembership),
+          db.ref("createdAt").withSchema(TableName.IdentityProjectMembership),
+          db.ref("updatedAt").withSchema(TableName.IdentityProjectMembership),
+          db.ref("authMethod").as("identityAuthMethod").withSchema(TableName.Identity),
+          db.ref("id").as("identityId").withSchema(TableName.Identity),
+          db.ref("name").as("identityName").withSchema(TableName.Identity),
+          db.ref("id").withSchema(TableName.IdentityProjectMembership),
+          db.ref("role").withSchema(TableName.IdentityProjectMembershipRole),
+          db.ref("id").withSchema(TableName.IdentityProjectMembershipRole).as("membershipRoleId"),
+          db.ref("customRoleId").withSchema(TableName.IdentityProjectMembershipRole),
+          db.ref("name").withSchema(TableName.ProjectRoles).as("customRoleName"),
+          db.ref("slug").withSchema(TableName.ProjectRoles).as("customRoleSlug"),
+          db.ref("temporaryMode").withSchema(TableName.IdentityProjectMembershipRole),
+          db.ref("isTemporary").withSchema(TableName.IdentityProjectMembershipRole),
+          db.ref("temporaryRange").withSchema(TableName.IdentityProjectMembershipRole),
+          db.ref("temporaryAccessStartTime").withSchema(TableName.IdentityProjectMembershipRole),
+          db.ref("temporaryAccessEndTime").withSchema(TableName.IdentityProjectMembershipRole)
+        );
+
+      const members = sqlNestRelationships({
+        data: docs,
+        parentMapper: ({ identityId, identityName, identityAuthMethod, id, createdAt, updatedAt }) => ({
+          id,
           identityId,
+          createdAt,
+          updatedAt,
           identity: {
             id: identityId,
             name: identityName,
             authMethod: identityAuthMethod
-          },
-          customRole: el.roleId
-            ? {
-                id: crId,
-                name: crName,
-                slug: crSlug,
-                permissions: crPermission,
-                description: crDescription
-              }
-            : undefined
-        })
-      );
+          }
+        }),
+        key: "id",
+        childrenMapper: [
+          {
+            label: "roles" as const,
+            key: "membershipRoleId",
+            mapper: ({
+              role,
+              customRoleId,
+              customRoleName,
+              customRoleSlug,
+              membershipRoleId,
+              temporaryRange,
+              temporaryMode,
+              temporaryAccessEndTime,
+              temporaryAccessStartTime,
+              isTemporary
+            }) => ({
+              id: membershipRoleId,
+              role,
+              customRoleId,
+              customRoleName,
+              customRoleSlug,
+              temporaryRange,
+              temporaryMode,
+              temporaryAccessEndTime,
+              temporaryAccessStartTime,
+              isTemporary
+            })
+          }
+        ]
+      });
+      return members;
     } catch (error) {
       throw new DatabaseError({ error, name: "FindByProjectId" });
     }
diff --git a/backend/src/services/identity-project/identity-project-membership-role-dal.ts b/backend/src/services/identity-project/identity-project-membership-role-dal.ts
new file mode 100644
index 000000000..3f6c6b589
--- /dev/null
+++ b/backend/src/services/identity-project/identity-project-membership-role-dal.ts
@@ -0,0 +1,10 @@
+import { TDbClient } from "@app/db";
+import { TableName } from "@app/db/schemas";
+import { ormify } from "@app/lib/knex";
+
+export type TIdentityProjectMembershipRoleDALFactory = ReturnType<typeof identityProjectMembershipRoleDALFactory>;
+
+export const identityProjectMembershipRoleDALFactory = (db: TDbClient) => {
+  const orm = ormify(db, TableName.IdentityProjectMembershipRole);
+  return orm;
+};
diff --git a/backend/src/services/identity-project/identity-project-service.ts b/backend/src/services/identity-project/identity-project-service.ts
index f9d21034f..6b751b4fa 100644
--- a/backend/src/services/identity-project/identity-project-service.ts
+++ b/backend/src/services/identity-project/identity-project-service.ts
@@ -1,15 +1,20 @@
 import { ForbiddenError } from "@casl/ability";
+import ms from "ms";
 
-import { ProjectMembershipRole, TProjectRoles } from "@app/db/schemas";
+import { ProjectMembershipRole } from "@app/db/schemas";
 import { TPermissionServiceFactory } from "@app/ee/services/permission/permission-service";
 import { ProjectPermissionActions, ProjectPermissionSub } from "@app/ee/services/permission/project-permission";
 import { isAtLeastAsPrivileged } from "@app/lib/casl";
 import { BadRequestError, ForbiddenRequestError } from "@app/lib/errors";
+import { groupBy } from "@app/lib/fn";
 
 import { ActorType } from "../auth/auth-type";
 import { TIdentityOrgDALFactory } from "../identity/identity-org-dal";
 import { TProjectDALFactory } from "../project/project-dal";
+import { ProjectUserMembershipTemporaryMode } from "../project-membership/project-membership-types";
+import { TProjectRoleDALFactory } from "../project-role/project-role-dal";
 import { TIdentityProjectDALFactory } from "./identity-project-dal";
+import { TIdentityProjectMembershipRoleDALFactory } from "./identity-project-membership-role-dal";
 import {
   TCreateProjectIdentityDTO,
   TDeleteProjectIdentityDTO,
@@ -19,7 +24,12 @@ import {
 
 type TIdentityProjectServiceFactoryDep = {
   identityProjectDAL: TIdentityProjectDALFactory;
+  identityProjectMembershipRoleDAL: Pick<
+    TIdentityProjectMembershipRoleDALFactory,
+    "create" | "transaction" | "insertMany" | "delete"
+  >;
   projectDAL: Pick<TProjectDALFactory, "findById">;
+  projectRoleDAL: Pick<TProjectRoleDALFactory, "find">;
   identityOrgMembershipDAL: Pick<TIdentityOrgDALFactory, "findOne">;
   permissionService: Pick<TPermissionServiceFactory, "getProjectPermission" | "getProjectPermissionByRole">;
 };
@@ -30,7 +40,9 @@ export const identityProjectServiceFactory = ({
   identityProjectDAL,
   permissionService,
   identityOrgMembershipDAL,
-  projectDAL
+  identityProjectMembershipRoleDAL,
+  projectDAL,
+  projectRoleDAL
 }: TIdentityProjectServiceFactoryDep) => {
   const createProjectIdentity = async ({
     identityId,
@@ -70,11 +82,24 @@ export const identityProjectServiceFactory = ({
       });
     const isCustomRole = Boolean(customRole);
 
-    const projectIdentity = await identityProjectDAL.create({
-      identityId,
-      projectId: project.id,
-      role: isCustomRole ? ProjectMembershipRole.Custom : role,
-      roleId: customRole?.id
+    const projectIdentity = await identityProjectDAL.transaction(async (tx) => {
+      const identityProjectMembership = await identityProjectDAL.create(
+        {
+          identityId,
+          projectId: project.id
+        },
+        tx
+      );
+
+      await identityProjectMembershipRoleDAL.create(
+        {
+          projectMembershipId: identityProjectMembership.id,
+          role: isCustomRole ? ProjectMembershipRole.Custom : role,
+          customRoleId: customRole?.id
+        },
+        tx
+      );
+      return identityProjectMembership;
     });
     return projectIdentity;
   };
@@ -82,7 +107,7 @@ export const identityProjectServiceFactory = ({
   const updateProjectIdentity = async ({
     projectId,
     identityId,
-    role,
+    roles,
     actor,
     actorId,
     actorOrgId
@@ -106,28 +131,54 @@ export const identityProjectServiceFactory = ({
     if (!hasRequiredPriviledges)
       throw new ForbiddenRequestError({ message: "Failed to delete more privileged identity" });
 
-    let customRole: TProjectRoles | undefined;
-    if (role) {
-      const { permission: rolePermission, role: customOrgRole } = await permissionService.getProjectPermissionByRole(
-        role,
-        projectIdentity.projectId
-      );
-
-      const isCustomRole = Boolean(customOrgRole);
-      const hasRequiredNewRolePermission = isAtLeastAsPrivileged(permission, rolePermission);
-      if (!hasRequiredNewRolePermission)
-        throw new BadRequestError({ message: "Failed to create a more privileged identity" });
-      if (isCustomRole) customRole = customOrgRole;
-    }
-
-    const [updatedProjectIdentity] = await identityProjectDAL.update(
-      { projectId, identityId: projectIdentity.identityId },
-      {
-        role: customRole ? ProjectMembershipRole.Custom : role,
-        roleId: customRole ? customRole.id : null
-      }
+    // validate custom roles input
+    const customInputRoles = roles.filter(
+      ({ role }) => !Object.values(ProjectMembershipRole).includes(role as ProjectMembershipRole)
     );
-    return updatedProjectIdentity;
+    const hasCustomRole = Boolean(customInputRoles.length);
+    const customRoles = hasCustomRole
+      ? await projectRoleDAL.find({
+          projectId,
+          $in: { slug: customInputRoles.map(({ role }) => role) }
+        })
+      : [];
+    if (customRoles.length !== customInputRoles.length) throw new BadRequestError({ message: "Custom role not found" });
+
+    const customRolesGroupBySlug = groupBy(customRoles, ({ slug }) => slug);
+
+    const santiziedProjectMembershipRoles = roles.map((inputRole) => {
+      const isCustomRole = Boolean(customRolesGroupBySlug?.[inputRole.role]?.[0]);
+      if (!inputRole.isTemporary) {
+        return {
+          projectMembershipId: projectIdentity.id,
+          role: isCustomRole ? ProjectMembershipRole.Custom : inputRole.role,
+          customRoleId: customRolesGroupBySlug[inputRole.role] ? customRolesGroupBySlug[inputRole.role][0].id : null
+        };
+      }
+
+      // check cron or relative here later for now its just relative
+      const relativeTimeInMs = ms(inputRole.temporaryRange);
+      if (relativeTimeInMs <= 0) {
+        throw new BadRequestError({ message: "Temporary relative time range must be positive" });
+      }
+      return {
+        projectMembershipId: projectIdentity.id,
+        role: isCustomRole ? ProjectMembershipRole.Custom : inputRole.role,
+        customRoleId: customRolesGroupBySlug[inputRole.role] ? customRolesGroupBySlug[inputRole.role][0].id : null,
+        isTemporary: true,
+        temporaryMode: ProjectUserMembershipTemporaryMode.Relative,
+        temporaryRange: inputRole.temporaryRange,
+        temporaryAccessStartTime: new Date(inputRole.temporaryAccessStartTime),
+        temporaryAccessEndTime: new Date(new Date(inputRole.temporaryAccessStartTime).getTime() + relativeTimeInMs)
+      };
+    });
+
+    const updatedRoles = await identityProjectMembershipRoleDAL.transaction(async (tx) => {
+      await identityProjectMembershipRoleDAL.delete({ projectMembershipId: projectIdentity.id }, tx);
+      return identityProjectMembershipRoleDAL.insertMany(santiziedProjectMembershipRoles, tx);
+    });
+
+    return updatedRoles;
   };
 
   const deleteProjectIdentity = async ({
diff --git a/backend/src/services/identity-project/identity-project-types.ts b/backend/src/services/identity-project/identity-project-types.ts
index 71e048c19..73e8ec246 100644
--- a/backend/src/services/identity-project/identity-project-types.ts
+++ b/backend/src/services/identity-project/identity-project-types.ts
@@ -1,12 +1,26 @@
 import { TProjectPermission } from "@app/lib/types";
 
+import { ProjectUserMembershipTemporaryMode } from "../project-membership/project-membership-types";
+
 export type TCreateProjectIdentityDTO = {
   identityId: string;
   role: string;
 } & TProjectPermission;
 
 export type TUpdateProjectIdentityDTO = {
-  role: string;
+  roles: (
+    | {
+        role: string;
+        isTemporary?: false;
+      }
+    | {
+        role: string;
+        isTemporary: true;
+        temporaryMode: ProjectUserMembershipTemporaryMode.Relative;
+        temporaryRange: string;
+        temporaryAccessStartTime: string;
+      }
+  )[];
   identityId: string;
 } & TProjectPermission;
 
diff --git a/backend/src/services/project/project-service.ts b/backend/src/services/project/project-service.ts
index f5409b6f3..76b3cba72 100644
--- a/backend/src/services/project/project-service.ts
+++ b/backend/src/services/project/project-service.ts
@@ -17,6 +17,7 @@ import { TProjectPermission } from "@app/lib/types";
 import { ActorType } from "../auth/auth-type";
 import { TIdentityOrgDALFactory } from "../identity/identity-org-dal";
 import { TIdentityProjectDALFactory } from "../identity-project/identity-project-dal";
+import { TIdentityProjectMembershipRoleDALFactory } from "../identity-project/identity-project-membership-role-dal";
 import { TOrgServiceFactory } from "../org/org-service";
 import { TProjectBotDALFactory } from "../project-bot/project-bot-dal";
 import { TProjectEnvDALFactory } from "../project-env/project-env-dal";
@@ -51,6 +52,7 @@ type TProjectServiceFactoryDep = {
   projectEnvDAL: Pick<TProjectEnvDALFactory, "insertMany" | "find">;
   identityOrgMembershipDAL: TIdentityOrgDALFactory;
   identityProjectDAL: TIdentityProjectDALFactory;
+  identityProjectMembershipRoleDAL: Pick<TIdentityProjectMembershipRoleDALFactory, "create">;
   projectKeyDAL: Pick<TProjectKeyDALFactory, "create" | "findLatestProjectKey" | "delete" | "find" | "insertMany">;
   projectBotDAL: Pick<TProjectBotDALFactory, "create" | "findById" | "delete" | "findOne">;
   projectMembershipDAL: Pick<TProjectMembershipDALFactory, "create" | "findProjectGhostUser" | "findOne">;
@@ -78,7 +80,8 @@ export const projectServiceFactory = ({
   projectMembershipDAL,
   projectEnvDAL,
   licenseService,
-  projectUserMembershipRoleDAL
+  projectUserMembershipRoleDAL,
+  identityProjectMembershipRoleDAL
 }: TProjectServiceFactoryDep) => {
   /*
    * Create workspace. Make user the admin
@@ -275,12 +278,19 @@ export const projectServiceFactory = ({
           });
         const isCustomRole = Boolean(customRole);
 
-        await identityProjectDAL.create(
+        const identityProjectMembership = await identityProjectDAL.create(
           {
             identityId: actorId,
-            projectId: project.id,
+            projectId: project.id
+          },
+          tx
+        );
+
+        await identityProjectMembershipRoleDAL.create(
+          {
+            projectMembershipId: identityProjectMembership.id,
             role: isCustomRole ? ProjectMembershipRole.Custom : ProjectMembershipRole.Admin,
-            roleId: customRole?.id
+            customRoleId: customRole?.id
           },
           tx
         );