diff --git a/lib/feature/job_posting/domain/usecases/usecases.dart b/lib/feature/job_posting/domain/usecases/usecases.dart
index 038192b..3e2c6e8 100644
--- a/lib/feature/job_posting/domain/usecases/usecases.dart
+++ b/lib/feature/job_posting/domain/usecases/usecases.dart
@@ -14,7 +14,15 @@ abstract class JobPostingUseCase {
   });
 
   /// 공고 등록
-  Future<bool> createJobPosting(JobPostingRequestEntity entity);
+  Future<bool> createJobPosting({
+    required JobPostingRequestEntity entity,
+  });
+
+  /// 공고 수정
+  Future<bool> updateJobPosting({
+    required String jobPostingId,
+    required JobPostingRequestEntity entity,
+  });
 
   /// 공고 상세 조회
   Future<Either<JobPostingDetailEntity>> getJobPosting({
diff --git a/lib/feature/job_posting/domain/usecases/usecases_impl.dart b/lib/feature/job_posting/domain/usecases/usecases_impl.dart
index d09eba2..3e9f278 100644
--- a/lib/feature/job_posting/domain/usecases/usecases_impl.dart
+++ b/lib/feature/job_posting/domain/usecases/usecases_impl.dart
@@ -29,7 +29,9 @@ class JobPostingUseCaseImpl implements JobPostingUseCase {
 
   /// 공고 등록
   @override
-  Future<bool> createJobPosting(JobPostingRequestEntity entity) async {
+  Future<bool> createJobPosting({
+    required JobPostingRequestEntity entity,
+  }) async {
     if (!isValidEntity(entity)) {
       return false;
     }
@@ -45,6 +47,30 @@ class JobPostingUseCaseImpl implements JobPostingUseCase {
     return result.maybeWhen<bool>(success: (_) => true, orElse: () => false);
   }
 
+  /// 공고 수정
+  @override
+  Future<bool> updateJobPosting({
+    required String jobPostingId,
+    required JobPostingRequestEntity entity,
+  }) async {
+    if (!isValidEntity(entity)) {
+      return false;
+    }
+
+    final dto = entity.toDto();
+
+    if (dto == null) {
+      return false;
+    }
+
+    final result = await repository.updateJobPosting(
+      jobPostingId: jobPostingId,
+      dto: dto,
+    );
+
+    return result.maybeWhen<bool>(success: (_) => true, orElse: () => false);
+  }
+
   /// 공고 상세 조회
   @override
   Future<Either<JobPostingDetailEntity>> getJobPosting({