diff --git a/src/main/java/com/jobdri/jobdri_api/domain/jobposting/controller/JobPostingAiController.java b/src/main/java/com/jobdri/jobdri_api/domain/jobposting/controller/JobPostingAiController.java
index 26a7ad2..db6fe4f 100644
--- a/src/main/java/com/jobdri/jobdri_api/domain/jobposting/controller/JobPostingAiController.java
+++ b/src/main/java/com/jobdri/jobdri_api/domain/jobposting/controller/JobPostingAiController.java
@@ -131,7 +131,6 @@ public ApiResponse<JobPostingExtractResponse> extractJobPostingFromMultipart(
                                           "jobPostingId": 10,
                                           "companyId": 3,
                                           "companyName": "삼성전자",
-                                          "companySize": "ENTERPRISE",
                                           "detailClassificationId": 101,
                                           "detailClassificationName": "Java/Spring",
                                           "task": "백엔드 서비스 개발 및 운영\\nAPI 설계 및 성능 개선",
diff --git a/src/main/java/com/jobdri/jobdri_api/domain/jobposting/dto/request/JobPostingIngestCommand.java b/src/main/java/com/jobdri/jobdri_api/domain/jobposting/dto/request/JobPostingIngestCommand.java
index fe757e0..f697afb 100644
--- a/src/main/java/com/jobdri/jobdri_api/domain/jobposting/dto/request/JobPostingIngestCommand.java
+++ b/src/main/java/com/jobdri/jobdri_api/domain/jobposting/dto/request/JobPostingIngestCommand.java
@@ -1,6 +1,5 @@
 package com.jobdri.jobdri_api.domain.jobposting.dto.request;
 
-import com.jobdri.jobdri_api.domain.company.entity.CompanySize;
 import lombok.Builder;
 import lombok.Getter;
 
@@ -13,5 +12,4 @@ public class JobPostingIngestCommand {
     private String sourceUrl;
     private byte[] imageBytes;
     private String imageContentType;
-    private CompanySize companySize;
 }
diff --git a/src/main/java/com/jobdri/jobdri_api/domain/jobposting/dto/request/JobPostingIngestMultipartRequest.java b/src/main/java/com/jobdri/jobdri_api/domain/jobposting/dto/request/JobPostingIngestMultipartRequest.java
index 107f5b2..d9c067a 100644
--- a/src/main/java/com/jobdri/jobdri_api/domain/jobposting/dto/request/JobPostingIngestMultipartRequest.java
+++ b/src/main/java/com/jobdri/jobdri_api/domain/jobposting/dto/request/JobPostingIngestMultipartRequest.java
@@ -1,9 +1,7 @@
 package com.jobdri.jobdri_api.domain.jobposting.dto.request;
 
-import com.jobdri.jobdri_api.domain.company.entity.CompanySize;
 import org.springframework.web.multipart.MultipartFile;
 
-public record JobPostingIngestMultipartRequest(String rawText, String sourceUrl, MultipartFile image,
-                                               CompanySize companySize) {
+public record JobPostingIngestMultipartRequest(String rawText, String sourceUrl, MultipartFile image) {
 
 }
diff --git a/src/main/java/com/jobdri/jobdri_api/domain/jobposting/dto/response/JobPostingResponse.java b/src/main/java/com/jobdri/jobdri_api/domain/jobposting/dto/response/JobPostingResponse.java
index a99cdfa..dbf300e 100644
--- a/src/main/java/com/jobdri/jobdri_api/domain/jobposting/dto/response/JobPostingResponse.java
+++ b/src/main/java/com/jobdri/jobdri_api/domain/jobposting/dto/response/JobPostingResponse.java
@@ -25,7 +25,7 @@ public static JobPostingResponse from(JobPosting jobPosting) {
                 .userId(jobPosting.getUser().getId())
                 .companyId(jobPosting.getCompany().getId())
                 .companyName(jobPosting.getCompany().getName())
-                .companySize(jobPosting.getCompany().getSize().name())
+                .companySize(jobPosting.getCompany().getSize() == null ? null : jobPosting.getCompany().getSize().name())
                 .detailClassificationId(jobPosting.getDetailClassification().getId())
                 .detailClassificationName(jobPosting.getDetailClassification().getDetailName())
                 .task(jobPosting.getTask())
diff --git a/src/main/java/com/jobdri/jobdri_api/domain/jobposting/service/JobPostingAsyncFacadeService.java b/src/main/java/com/jobdri/jobdri_api/domain/jobposting/service/JobPostingAsyncFacadeService.java
index 002cc60..f252864 100644
--- a/src/main/java/com/jobdri/jobdri_api/domain/jobposting/service/JobPostingAsyncFacadeService.java
+++ b/src/main/java/com/jobdri/jobdri_api/domain/jobposting/service/JobPostingAsyncFacadeService.java
@@ -54,7 +54,6 @@ private JobPostingIngestCommand snapshot(User user, JobPostingIngestMultipartReq
                 .sourceUrl(request.sourceUrl())
                 .imageBytes(readBytes(request.image()))
                 .imageContentType(readContentType(request.image()))
-                .companySize(request.companySize())
                 .build();
     }
 
diff --git a/src/main/java/com/jobdri/jobdri_api/domain/jobposting/service/JobPostingIngestService.java b/src/main/java/com/jobdri/jobdri_api/domain/jobposting/service/JobPostingIngestService.java
index a5cfa1a..60b57e7 100644
--- a/src/main/java/com/jobdri/jobdri_api/domain/jobposting/service/JobPostingIngestService.java
+++ b/src/main/java/com/jobdri/jobdri_api/domain/jobposting/service/JobPostingIngestService.java
@@ -39,7 +39,6 @@ public JobPostingIngestResponse ingestAndCreate(User user, JobPostingIngestMulti
                 .userId(user.getId())
                 .rawText(request.rawText())
                 .sourceUrl(request.sourceUrl())
-                .companySize(request.companySize())
                 .build();
         return ingestAndCreate(command);
     }
@@ -81,7 +80,7 @@ public JobPostingIngestResponse ingestAndCreate(JobPostingIngestCommand command)
         JobPostingGenerateResponse generated = jobPostingAiService.generateJobPosting(
                 new JobPostingGenerateRequest(
                         extracted.companyName(),
-                        command.getCompanySize(),
+                        null,
                         classification.detailClassificationId(),
                         extracted.rawText(),
                         "",
@@ -97,7 +96,7 @@ public JobPostingIngestResponse ingestAndCreate(JobPostingIngestCommand command)
                 resolveUser(command),
                 new JobPostingCreateRequest(
                         fallbackCompanyName(extracted.companyName()),
-                        command.getCompanySize(),
+                        null,
                         classification.detailClassificationId(),
                         generated.task(),
                         generated.requirements(),