diff --git a/src/app.ts b/src/app.ts
index 06f76548..c2cbe5f7 100644
--- a/src/app.ts
+++ b/src/app.ts
@@ -19,6 +19,7 @@ import { ScriptProfileOrgController } from "./controllers/ScriptProfileOrgContro
 import { DateSerializer } from "./interfaces/date-serializer";
 
 import { initWebSocket } from "./services/webSocket";
+import { RetirementService } from "./services/RetirementService";
 
 async function main() {
   await AppDataSource.initialize();
@@ -114,6 +115,17 @@ async function main() {
     }
   });
 
+  // Cron job for posting retirement data to Exprofile - every day at 04:30:00 on the 1st of October
+  const cronTime_PostRetire = "0 30 4 1 10 *";
+  cron.schedule(cronTime_PostRetire, async () => {
+    try {
+      const retirementService = new RetirementService();
+      await retirementService.cronjobPostRetireToExprofile();
+    } catch (error) {
+      console.error("[Cronjob] Error executing cronjobPostRetireToExprofile:", error);
+    }
+  });
+
   // app.listen(APP_PORT, APP_HOST, () => console.log(`Listening on: http://localhost:${APP_PORT}`));
   const server = app.listen(
     APP_PORT,
diff --git a/src/controllers/CommandController.ts b/src/controllers/CommandController.ts
index f12df5be..f7e68083 100644
--- a/src/controllers/CommandController.ts
+++ b/src/controllers/CommandController.ts
@@ -104,6 +104,7 @@ import { PostRetireToExprofile } from "./ExRetirementController";
 import { LeaveType } from "../entities/LeaveType";
 import { KeycloakAttributeService } from "../services/KeycloakAttributeService";
 import { reOrderCommandRecivesAndDelete } from "../services/CommandService";
+import { RetirementService } from "../services/RetirementService";
 @Route("api/v1/org/command")
 @Tags("Command")
 @Security("bearerAuth")
@@ -1608,8 +1609,7 @@ export class CommandController extends Controller {
 
     return new HttpSuccess();
   }
-  // @Get("XXX")
-  async cronjobUpdateRetirementStatus(/*@Request() request: RequestWithUser*/) {
+  async cronjobUpdateRetirementStatus() {
     const adminToken = (await getToken()) ?? "";
     const today = new Date();
     today.setUTCHours(0, 0, 0, 0);
@@ -1887,6 +1887,21 @@ export class CommandController extends Controller {
     return new HttpSuccess();
   }
 
+  /**
+   * API ทดสอบ cronjobPostRetireToExprofile
+   * @summary ทดสอบส่งข้อมูลผู้เกษียณไปยังระบบพ้นราชการ (Exprofile)
+   */
+  @Get("cronjob/cronjobPostRetireToExprofile")
+  async runCronjobPostRetireToExprofile() {
+    try {
+      const retirementService = new RetirementService();
+      const result = await retirementService.cronjobPostRetireToExprofile();
+      return new HttpSuccess(result);
+    } catch (error: any) {
+      throw new HttpError(HttpStatusCode.INTERNAL_SERVER_ERROR, error.message || "เกิดข้อผิดพลาด");
+    }
+  }
+
   /**
    * API รายละเอียดรายการคำสั่ง tab4 คำสั่ง
    *
diff --git a/src/controllers/ExRetirementController.ts b/src/controllers/ExRetirementController.ts
index c8ffe5da..6720f19d 100644
--- a/src/controllers/ExRetirementController.ts
+++ b/src/controllers/ExRetirementController.ts
@@ -237,16 +237,19 @@ export async function PostRetireToExprofile(
         continue;
       }
 
-      addLogSequence(request, {
-        action: "request",
-        status: "error",
-        description: "unconnected to exprofile api",
-        request: {
-          method: "POST",
-          url: API_URL_BANGKOK + "/importData",
-          response: JSON.stringify(error),
-        },
-      });
+      // เช็ค request ก่อนเรียก addLogSequence (สำหรับ cronjob ที่ส่ง null)
+      if (request) {
+        addLogSequence(request, {
+          action: "request",
+          status: "error",
+          description: "unconnected to exprofile api",
+          request: {
+            method: "POST",
+            url: API_URL_BANGKOK + "/importData",
+            response: JSON.stringify(error),
+          },
+        });
+      }
 
       throw new HttpError(HttpStatusCode.INTERNAL_SERVER_ERROR, "ไม่สามารถติดต่อ API ได้");
     }
diff --git a/src/services/RetirementService.ts b/src/services/RetirementService.ts
new file mode 100644
index 00000000..1997c2e3
--- /dev/null
+++ b/src/services/RetirementService.ts
@@ -0,0 +1,133 @@
+import { AppDataSource } from "../database/data-source";
+import { Profile } from "../entities/Profile";
+import { PostRetireToExprofile } from "../controllers/ExRetirementController";
+import { Between, MoreThanOrEqual } from "typeorm";
+
+const BATCH_SIZE = 100;
+const CONCURRENT_PER_BATCH = 10; // ส่ง parallel ทีละ 10 คนในแต่ละ batch
+
+export class RetirementService {
+  private profileRepository = AppDataSource.getRepository(Profile);
+
+  /**
+   * Cronjob สำหรับส่งข้อมูลผู้เกษียณไปยังระบบพ้นราชการ (Exprofile)
+   * ทำงานเวลา 04:30:00 ของทุกวันที่ 1 ตุลาคม
+   *
+   * รายละเอียด:
+   * - Query profiles ที่ leaveDate = วันที่ 1 ตุลาคมของปีนั้น และ leaveType = "RETIRE"
+   * - Batch ทีละ 100 records
+   * - Concurrent ทีละ 10 คน (parallel) ในแต่ละ batch
+   * - ถ้า fail ให้ log error แล้วทำคนต่อไป
+   */
+  async cronjobPostRetireToExprofile(): Promise<{
+    success: number;
+    failed: number;
+    failedProfiles: Array<{ id: string; name: string; error: string }>;
+  }> {
+    const result = {
+      success: 0,
+      failed: 0,
+      failedProfiles: [] as Array<{ id: string; name: string; error: string }>,
+    };
+
+    try {
+
+      // หาวันที่ 1 ตุลาคมของปีปัจจุบัน
+      const now = new Date();
+      const currentYear = now.getFullYear();
+
+      // สร้างวันที่ 1 ตุลาคมของปีปัจจุบัน (เวลา 00:00:00)
+      const startDate = new Date(currentYear, 9, 1, 0, 0, 0); // Month 9 = October (0-indexed)
+      const endDate = new Date(currentYear, 9, 1, 23, 59, 59);
+
+      // Query profiles ที่ leaveDate อยู่ในวันที่ 1 ตุลาคม และ leaveType = "RETIRE"
+      const profiles = await this.profileRepository.find({
+        where: [
+          { leaveDate: Between(startDate, endDate), leaveType: "RETIRE" as any },
+          { leaveDate: MoreThanOrEqual(startDate), leaveType: "RETIRE" as any },
+        ],
+        relations: ["posLevel", "posType"],
+      });
+
+      // Filter เอาเฉพาะวันที่ 1 ตุลาคมเท่านั้น
+      const filteredProfiles = profiles.filter(p => {
+        if (!p.leaveDate) return false;
+        const leaveDate = new Date(p.leaveDate);
+        return (
+          leaveDate.getFullYear() === currentYear &&
+          leaveDate.getMonth() === 9 && // October
+          leaveDate.getDate() === 1
+        );
+      });
+
+      if (filteredProfiles.length === 0) {
+        return result;
+      }
+
+      // แบ่ง batch ทีละ 100 records
+      for (let i = 0; i < filteredProfiles.length; i += BATCH_SIZE) {
+        const batch = filteredProfiles.slice(i, i + BATCH_SIZE);
+
+        // แบ่งเป็น chunk เล็กๆ ทีละ CONCURRENT_PER_BATCH เพื่อส่ง parallel
+        for (let j = 0; j < batch.length; j += CONCURRENT_PER_BATCH) {
+          const chunk = batch.slice(j, j + CONCURRENT_PER_BATCH);
+
+          // ส่ง parallel ในแต่ละ chunk
+          await Promise.all(
+            chunk.map(async (profile) => {
+              try {
+                await this.postSingleProfileToExprofile(profile);
+                result.success++;
+              } catch (error: any) {
+                result.failed++;
+                const errorInfo = {
+                  id: profile.id,
+                  name: `${profile.prefix}${profile.firstName} ${profile.lastName}`,
+                  error: error.message || String(error),
+                };
+                result.failedProfiles.push(errorInfo);
+              }
+            })
+          );
+        }
+      }
+
+    } catch (error: any) {
+      throw error;
+    }
+
+    return result;
+  }
+
+  /**
+   * ส่งข้อมูล profile ไปยัง Exprofile
+   */
+  private async postSingleProfileToExprofile(profile: Profile): Promise<void> {
+    if (!profile.leaveDate) {
+      return;
+    }
+
+    if (!profile.citizenId) {
+      return;
+    }
+
+    const retireYear = profile.leaveDate.getFullYear();
+    const retireDate = new Date(profile.leaveDate);
+
+    // ส่งไปยัง Exprofile
+    PostRetireToExprofile(
+      null,
+      profile.citizenId,
+      profile.prefix || "",
+      profile.firstName || "",
+      profile.lastName || "",
+      retireYear.toString(),
+      profile.position || "",
+      profile.posType?.posTypeName || "",
+      profile.posLevel?.posLevelName || "",
+      retireDate,
+      profile.org || "",
+      profile.leaveReason || "เกษียณอายุราชการ"
+    );
+  }
+}