diff --git a/app/Http/Controllers/Api/Admin/HR/EmployeeController.php b/app/Http/Controllers/Api/Admin/HR/EmployeeController.php
index 600db986..806e6c59 100644
--- a/app/Http/Controllers/Api/Admin/HR/EmployeeController.php
+++ b/app/Http/Controllers/Api/Admin/HR/EmployeeController.php
@@ -77,13 +77,23 @@ public function store(Request $request): JsonResponse
             'emergency_contact' => 'nullable|string|max:100',
         ]);
 
-        $employee = $this->employeeService->createEmployee($validated);
+        try {
+            $employee = $this->employeeService->createEmployee($validated);
 
-        return response()->json([
-            'success' => true,
-            'message' => '사원이 등록되었습니다.',
-            'data' => $employee,
-        ], 201);
+            return response()->json([
+                'success' => true,
+                'message' => '사원이 등록되었습니다.',
+                'data' => $employee,
+            ], 201);
+        } catch (\Throwable $e) {
+            report($e);
+
+            return response()->json([
+                'success' => false,
+                'message' => '사원 등록 중 오류가 발생했습니다.',
+                'error' => config('app.debug') ? $e->getMessage() : null,
+            ], 500);
+        }
     }
 
     /**
@@ -129,20 +139,30 @@ public function update(Request $request, int $id): JsonResponse
             'emergency_contact' => 'nullable|string|max:100',
         ]);
 
-        $employee = $this->employeeService->updateEmployee($id, $validated);
+        try {
+            $employee = $this->employeeService->updateEmployee($id, $validated);
+
+            if (! $employee) {
+                return response()->json([
+                    'success' => false,
+                    'message' => '사원 정보를 찾을 수 없습니다.',
+                ], 404);
+            }
+
+            return response()->json([
+                'success' => true,
+                'message' => '사원 정보가 수정되었습니다.',
+                'data' => $employee,
+            ]);
+        } catch (\Throwable $e) {
+            report($e);
 
-        if (! $employee) {
             return response()->json([
                 'success' => false,
-                'message' => '사원 정보를 찾을 수 없습니다.',
-            ], 404);
+                'message' => '사원 수정 중 오류가 발생했습니다.',
+                'error' => config('app.debug') ? $e->getMessage() : null,
+            ], 500);
         }
-
-        return response()->json([
-            'success' => true,
-            'message' => '사원 정보가 수정되었습니다.',
-            'data' => $employee,
-        ]);
     }
 
     /**
@@ -150,25 +170,42 @@ public function update(Request $request, int $id): JsonResponse
      */
     public function destroy(Request $request, int $id): JsonResponse|Response
     {
-        $result = $this->employeeService->deleteEmployee($id);
+        try {
+            $result = $this->employeeService->deleteEmployee($id);
+
+            if (! $result) {
+                if ($request->header('HX-Request')) {
+                    return response()->json([
+                        'success' => false,
+                        'message' => '사원 정보를 찾을 수 없습니다.',
+                    ], 404);
+                }
+
+                return response()->json([
+                    'success' => false,
+                    'message' => '사원 정보를 찾을 수 없습니다.',
+                ], 404);
+            }
+
+            if ($request->header('HX-Request')) {
+                $employees = $this->employeeService->getEmployees($request->all(), $request->integer('per_page', 20));
+
+                return response(view('hr.employees.partials.table', compact('employees')));
+            }
+
+            return response()->json([
+                'success' => true,
+                'message' => '퇴직 처리되었습니다.',
+            ]);
+        } catch (\Throwable $e) {
+            report($e);
 
-        if (! $result) {
             return response()->json([
                 'success' => false,
-                'message' => '사원 정보를 찾을 수 없습니다.',
-            ], 404);
+                'message' => '퇴직 처리 중 오류가 발생했습니다.',
+                'error' => config('app.debug') ? $e->getMessage() : null,
+            ], 500);
         }
-
-        if ($request->header('HX-Request')) {
-            $employees = $this->employeeService->getEmployees($request->all(), $request->integer('per_page', 20));
-
-            return response(view('hr.employees.partials.table', compact('employees')));
-        }
-
-        return response()->json([
-            'success' => true,
-            'message' => '퇴직 처리되었습니다.',
-        ]);
     }
 
     /**
diff --git a/resources/views/hr/employees/create.blade.php b/resources/views/hr/employees/create.blade.php
index 3916cc12..30cb6b64 100644
--- a/resources/views/hr/employees/create.blade.php
+++ b/resources/views/hr/employees/create.blade.php
@@ -192,13 +192,50 @@ class="px-6 py-2 bg-blue-600 hover:bg-blue-700 text-white rounded-lg transition-
 @push('scripts')
 <script>
     document.body.addEventListener('htmx:afterRequest', function(event) {
-        if (event.detail.successful) {
-            try {
-                const response = JSON.parse(event.detail.xhr.responseText);
-                if (response.success) {
-                    window.location.href = '{{ route('hr.employees.index') }}';
+        if (event.detail.elt.id !== 'employeeForm') return;
+
+        const xhr = event.detail.xhr;
+        try {
+            const response = JSON.parse(xhr.responseText);
+
+            if (response.success) {
+                showToast(response.message || '사원이 등록되었습니다.', 'success');
+                window.location.href = '{{ route('hr.employees.index') }}';
+                return;
+            }
+
+            // 서버에서 success: false 응답
+            let msg = response.message || '저장에 실패했습니다.';
+            if (response.error) msg += '\n' + response.error;
+            showToast(msg, 'error', 5000);
+        } catch (e) {
+            if (!event.detail.successful) {
+                showToast('서버 오류가 발생했습니다. (HTTP ' + xhr.status + ')', 'error', 5000);
+            }
+        }
+    });
+
+    // Validation 에러 (422) 처리
+    document.body.addEventListener('htmx:responseError', function(event) {
+        if (event.detail.elt.id !== 'employeeForm') return;
+
+        const xhr = event.detail.xhr;
+        try {
+            const response = JSON.parse(xhr.responseText);
+
+            if (xhr.status === 422 && response.errors) {
+                const messages = [];
+                for (const field in response.errors) {
+                    messages.push(response.errors[field].join(', '));
                 }
-            } catch (e) {}
+                showToast(messages.join('\n'), 'error', 6000);
+            } else {
+                let msg = response.message || '오류가 발생했습니다.';
+                if (response.error) msg += '\n' + response.error;
+                showToast(msg, 'error', 5000);
+            }
+        } catch (e) {
+            showToast('서버 오류가 발생했습니다. (HTTP ' + xhr.status + ')', 'error', 5000);
         }
     });
 </script>
diff --git a/resources/views/hr/employees/edit.blade.php b/resources/views/hr/employees/edit.blade.php
index 0b3f4649..5232934c 100644
--- a/resources/views/hr/employees/edit.blade.php
+++ b/resources/views/hr/employees/edit.blade.php
@@ -196,13 +196,48 @@ class="px-6 py-2 bg-blue-600 hover:bg-blue-700 text-white rounded-lg transition-
 @push('scripts')
 <script>
     document.body.addEventListener('htmx:afterRequest', function(event) {
-        if (event.detail.successful) {
-            try {
-                const response = JSON.parse(event.detail.xhr.responseText);
-                if (response.success) {
-                    window.location.href = '{{ route('hr.employees.show', $employee->id) }}';
+        if (event.detail.elt.id !== 'employeeForm') return;
+
+        const xhr = event.detail.xhr;
+        try {
+            const response = JSON.parse(xhr.responseText);
+
+            if (response.success) {
+                showToast(response.message || '사원 정보가 수정되었습니다.', 'success');
+                window.location.href = '{{ route('hr.employees.show', $employee->id) }}';
+                return;
+            }
+
+            let msg = response.message || '저장에 실패했습니다.';
+            if (response.error) msg += '\n' + response.error;
+            showToast(msg, 'error', 5000);
+        } catch (e) {
+            if (!event.detail.successful) {
+                showToast('서버 오류가 발생했습니다. (HTTP ' + xhr.status + ')', 'error', 5000);
+            }
+        }
+    });
+
+    document.body.addEventListener('htmx:responseError', function(event) {
+        if (event.detail.elt.id !== 'employeeForm') return;
+
+        const xhr = event.detail.xhr;
+        try {
+            const response = JSON.parse(xhr.responseText);
+
+            if (xhr.status === 422 && response.errors) {
+                const messages = [];
+                for (const field in response.errors) {
+                    messages.push(response.errors[field].join(', '));
                 }
-            } catch (e) {}
+                showToast(messages.join('\n'), 'error', 6000);
+            } else {
+                let msg = response.message || '오류가 발생했습니다.';
+                if (response.error) msg += '\n' + response.error;
+                showToast(msg, 'error', 5000);
+            }
+        } catch (e) {
+            showToast('서버 오류가 발생했습니다. (HTTP ' + xhr.status + ')', 'error', 5000);
         }
     });
 </script>