diff --git a/casper-user/src/main/kotlin/hs/kr/entrydsm/user/domain/admin/application/port/in/QueryAdminByUUIDUseCase.kt b/casper-user/src/main/kotlin/hs/kr/entrydsm/user/domain/admin/application/port/in/QueryAdminByUUIDUseCase.kt
index 5d34082..7e0d611 100644
--- a/casper-user/src/main/kotlin/hs/kr/entrydsm/user/domain/admin/application/port/in/QueryAdminByUUIDUseCase.kt
+++ b/casper-user/src/main/kotlin/hs/kr/entrydsm/user/domain/admin/application/port/in/QueryAdminByUUIDUseCase.kt
@@ -1,6 +1,6 @@
 package hs.kr.entrydsm.user.domain.admin.application.port.`in`
 
-import hs.kr.entrydsm.user.domain.admin.adapter.`in`.web.dto.response.InternalAdminResponse
+import hs.kr.entrydsm.user.infrastructure.grpc.server.dto.InternalAdminResponse
 import java.util.UUID
 
 /**
diff --git a/casper-user/src/main/kotlin/hs/kr/entrydsm/user/domain/admin/application/service/QueryAdminByUUIDService.kt b/casper-user/src/main/kotlin/hs/kr/entrydsm/user/domain/admin/application/service/QueryAdminByUUIDService.kt
index 1ddf192..dfd7c5c 100644
--- a/casper-user/src/main/kotlin/hs/kr/entrydsm/user/domain/admin/application/service/QueryAdminByUUIDService.kt
+++ b/casper-user/src/main/kotlin/hs/kr/entrydsm/user/domain/admin/application/service/QueryAdminByUUIDService.kt
@@ -1,6 +1,6 @@
 package hs.kr.entrydsm.user.domain.admin.application.service
 
-import hs.kr.entrydsm.user.domain.admin.adapter.`in`.web.dto.response.InternalAdminResponse
+import hs.kr.entrydsm.user.infrastructure.grpc.server.dto.InternalAdminResponse
 import hs.kr.entrydsm.user.domain.admin.application.port.`in`.QueryAdminByUUIDUseCase
 import hs.kr.entrydsm.user.domain.admin.application.port.out.QueryAdminPort
 import hs.kr.entrydsm.user.domain.admin.exception.AdminNotFoundException
diff --git a/casper-user/src/main/kotlin/hs/kr/entrydsm/user/infrastructure/grpc/server/AdminGrpcService.kt b/casper-user/src/main/kotlin/hs/kr/entrydsm/user/infrastructure/grpc/server/AdminGrpcService.kt
new file mode 100644
index 0000000..2fea78b
--- /dev/null
+++ b/casper-user/src/main/kotlin/hs/kr/entrydsm/user/infrastructure/grpc/server/AdminGrpcService.kt
@@ -0,0 +1,28 @@
+package hs.kr.entrydsm.user.infrastructure.grpc.server
+
+import hs.kr.entrydsm.casper.admin.proto.AdminServiceGrpcKt
+import hs.kr.entrydsm.casper.admin.proto.AdminServiceProto
+import hs.kr.entrydsm.user.domain.admin.application.port.`in`.QueryAdminByUUIDUseCase
+import hs.kr.entrydsm.user.infrastructure.grpc.server.mapper.UserGrpcMapper
+import net.devh.boot.grpc.server.service.GrpcService
+import java.util.UUID
+
+@GrpcService
+class AdminGrpcService(
+    private val queryAdminByUUIDUseCase: QueryAdminByUUIDUseCase,
+    private val userGrpcMapper: UserGrpcMapper
+) : AdminServiceGrpcKt.AdminServiceCoroutineImplBase() {
+
+    /**
+     * 어드민 ID로 어드민 ID를 조회합니다.
+     *
+     * @param request 어드민 ID가 포함된 gRPC 요청
+     * @return 어드민 ID gRPC 응답
+     * @throws AdminNotFoundException admin을 찾을 수 없을 때
+     */
+    override suspend fun getAdminByUUID(request: AdminServiceProto.GetAdminIdRequest): AdminServiceProto.GetAdminIdResponse {
+        val adminId = UUID.fromString(request.adminId)
+        val currentAdminId = queryAdminByUUIDUseCase.queryByUUID(adminId)
+        return userGrpcMapper.toGetAdminIdResponse(currentAdminId)
+    }
+}
\ No newline at end of file
diff --git a/casper-user/src/main/kotlin/hs/kr/entrydsm/user/domain/admin/adapter/in/web/dto/response/InternalAdminResponse.kt b/casper-user/src/main/kotlin/hs/kr/entrydsm/user/infrastructure/grpc/server/dto/InternalAdminResponse.kt
similarity index 64%
rename from casper-user/src/main/kotlin/hs/kr/entrydsm/user/domain/admin/adapter/in/web/dto/response/InternalAdminResponse.kt
rename to casper-user/src/main/kotlin/hs/kr/entrydsm/user/infrastructure/grpc/server/dto/InternalAdminResponse.kt
index 38d00e4..82ac6c4 100644
--- a/casper-user/src/main/kotlin/hs/kr/entrydsm/user/domain/admin/adapter/in/web/dto/response/InternalAdminResponse.kt
+++ b/casper-user/src/main/kotlin/hs/kr/entrydsm/user/infrastructure/grpc/server/dto/InternalAdminResponse.kt
@@ -1,10 +1,12 @@
-package hs.kr.entrydsm.user.domain.admin.adapter.`in`.web.dto.response
+package hs.kr.entrydsm.user.infrastructure.grpc.server.dto
 
 import java.util.UUID
 
 /**
  * 내부 시스템 간 관리자 정보 응답 데이터를 담는 DTO 클래스입니다.
+ *
+ * @property id 고유 식별자
  */
 data class InternalAdminResponse(
     val id: UUID,
-)
+)
\ No newline at end of file
diff --git a/casper-user/src/main/kotlin/hs/kr/entrydsm/user/infrastructure/grpc/server/mapper/UserGrpcMapper.kt b/casper-user/src/main/kotlin/hs/kr/entrydsm/user/infrastructure/grpc/server/mapper/UserGrpcMapper.kt
index fbb0bce..8465bec 100644
--- a/casper-user/src/main/kotlin/hs/kr/entrydsm/user/infrastructure/grpc/server/mapper/UserGrpcMapper.kt
+++ b/casper-user/src/main/kotlin/hs/kr/entrydsm/user/infrastructure/grpc/server/mapper/UserGrpcMapper.kt
@@ -1,6 +1,8 @@
 package hs.kr.entrydsm.user.infrastructure.grpc.server.mapper
 
+import hs.kr.entrydsm.casper.admin.proto.AdminServiceProto
 import hs.kr.entrydsm.casper.user.proto.UserServiceProto
+import hs.kr.entrydsm.user.infrastructure.grpc.server.dto.InternalAdminResponse
 import hs.kr.entrydsm.user.infrastructure.grpc.server.dto.InternalUserResponse
 import hs.kr.entrydsm.user.domain.user.adapter.out.domain.UserRole
 import org.springframework.stereotype.Component
@@ -27,6 +29,18 @@ class UserGrpcMapper {
             .setRole(toProtoUserRole(userResponse.role))
             .build()
     }
+
+    /**
+     * InternalAdminResponse 객체를 gRPC 사용자 정보 응답으로 변환합니다.
+     *
+     * @param adminResponse 변환할 사용자 응답 DTO
+     * @return gRPC 사용자 정보 응답
+     */
+    fun toGetAdminIdResponse(adminResponse: InternalAdminResponse): AdminServiceProto.GetAdminIdResponse {
+        return AdminServiceProto.GetAdminIdResponse.newBuilder()
+            .setAdminId(adminResponse.id.toString())
+            .build()
+    }
     
     /**
      * 도메인 사용자 역할을 gRPC 프로토콜 사용자 역할로 변환합니다.
diff --git a/casper-user/src/main/proto/admin.proto b/casper-user/src/main/proto/admin.proto
new file mode 100644
index 0000000..3a5be72
--- /dev/null
+++ b/casper-user/src/main/proto/admin.proto
@@ -0,0 +1,18 @@
+syntax = "proto3";
+
+package casper.user;
+
+option java_package = "hs.kr.entrydsm.casper.admin.proto";
+option java_outer_classname = "AdminServiceProto";
+
+service AdminService {
+  rpc GetAdminByUUID(GetAdminIdRequest) returns (GetAdminIdResponse);
+}
+
+message GetAdminIdRequest {
+  string admin_id =1;
+}
+
+message GetAdminIdResponse{
+  string admin_id = 1;
+}