diff --git a/src/main/java/grep/neogulcoder/domain/recruitment/RecruitmentErrorCode.java b/src/main/java/grep/neogulcoder/domain/recruitment/RecruitmentErrorCode.java
index 283c3120..d6217cb3 100644
--- a/src/main/java/grep/neogulcoder/domain/recruitment/RecruitmentErrorCode.java
+++ b/src/main/java/grep/neogulcoder/domain/recruitment/RecruitmentErrorCode.java
@@ -15,7 +15,8 @@ public enum RecruitmentErrorCode implements ErrorCode {
     NOT_FOUND_STUDY_MEMBER(HttpStatus.NOT_FOUND, HttpStatus.NOT_FOUND.name(), "스터디에 참여하고 있지 않은 회원 입니다."),
     NOT_FOUND_COMMENT(HttpStatus.NOT_FOUND, HttpStatus.NOT_FOUND.name(), "댓글을 찾지 못했습니다"),
     NOT_OWNER(HttpStatus.BAD_REQUEST, HttpStatus.BAD_REQUEST.name(), "모집글을 등록한 당사자가 아닙니다."),
-    END_DATE_ERROR(HttpStatus.BAD_REQUEST, HttpStatus.BAD_REQUEST.name(), "모집글은 스터디가 시작되고 종료될 때까지 작성 가능 합니다.");
+    END_DATE_ERROR(HttpStatus.BAD_REQUEST, HttpStatus.BAD_REQUEST.name(), "모집글은 스터디가 시작되고 종료될 때까지 작성 가능 합니다."),
+    END_DATE_BEFORE_NOW_NOT_ALLOWED(HttpStatus.BAD_REQUEST, HttpStatus.BAD_REQUEST.name(), "모집글 마감기간은 오늘 이전으로 선택은 불가능 합니다.");
 
     private static final String BASIC_MESSAGE = "RECRUITMENT";
     private final HttpStatus status;
diff --git a/src/main/java/grep/neogulcoder/domain/recruitment/post/controller/RecruitmentPostSaveController.java b/src/main/java/grep/neogulcoder/domain/recruitment/post/controller/RecruitmentPostSaveController.java
index 56b05159..fc4558a4 100644
--- a/src/main/java/grep/neogulcoder/domain/recruitment/post/controller/RecruitmentPostSaveController.java
+++ b/src/main/java/grep/neogulcoder/domain/recruitment/post/controller/RecruitmentPostSaveController.java
@@ -5,6 +5,7 @@
 import grep.neogulcoder.domain.recruitment.post.controller.dto.response.save.JoinedStudyLoadInfo;
 import grep.neogulcoder.domain.recruitment.post.service.RecruitmentPostSaveService;
 import grep.neogulcoder.global.auth.Principal;
+import grep.neogulcoder.global.exception.validation.ValidationException;
 import grep.neogulcoder.global.response.ApiResponse;
 import jakarta.validation.Valid;
 import lombok.RequiredArgsConstructor;
@@ -12,6 +13,10 @@
 import org.springframework.security.core.annotation.AuthenticationPrincipal;
 import org.springframework.web.bind.annotation.*;
 
+import java.time.LocalDate;
+
+import static grep.neogulcoder.domain.recruitment.RecruitmentErrorCode.END_DATE_BEFORE_NOW_NOT_ALLOWED;
+
 @RequestMapping("/recruitment-posts")
 @RequiredArgsConstructor
 @RestController
@@ -22,6 +27,11 @@ public class RecruitmentPostSaveController implements RecruitmentPostSaveSpecifi
     @PostMapping
     public ResponseEntity<ApiResponse<Long>> save(@Valid @RequestBody RecruitmentPostCreateRequest request,
                                                   @AuthenticationPrincipal Principal userDetails) {
+
+        if (request.hasExpiredDateBefore(LocalDate.now())) {
+            throw new ValidationException(END_DATE_BEFORE_NOW_NOT_ALLOWED);
+        }
+
         long postId = recruitmentPostService.create(request.toServiceRequest(), userDetails.getUserId());
         return ResponseEntity.ok(ApiResponse.success(postId));
     }
diff --git a/src/main/java/grep/neogulcoder/domain/recruitment/post/controller/dto/request/save/RecruitmentPostCreateRequest.java b/src/main/java/grep/neogulcoder/domain/recruitment/post/controller/dto/request/save/RecruitmentPostCreateRequest.java
index b48001ae..33272486 100644
--- a/src/main/java/grep/neogulcoder/domain/recruitment/post/controller/dto/request/save/RecruitmentPostCreateRequest.java
+++ b/src/main/java/grep/neogulcoder/domain/recruitment/post/controller/dto/request/save/RecruitmentPostCreateRequest.java
@@ -8,6 +8,7 @@
 import lombok.Builder;
 import lombok.Getter;
 
+import java.time.LocalDate;
 import java.time.LocalDateTime;
 
 @Getter
@@ -55,4 +56,8 @@ public RecruitmentPostCreateServiceRequest toServiceRequest() {
                 .expiredDate(this.expiredDate)
                 .build();
     }
+
+    public boolean hasExpiredDateBefore(LocalDate date) {
+        return this.expiredDate.toLocalDate().isBefore(date);
+    }
 }
diff --git a/src/main/java/grep/neogulcoder/domain/recruitment/post/service/RecruitmentPostSaveService.java b/src/main/java/grep/neogulcoder/domain/recruitment/post/service/RecruitmentPostSaveService.java
index 02715b89..09eab9fa 100644
--- a/src/main/java/grep/neogulcoder/domain/recruitment/post/service/RecruitmentPostSaveService.java
+++ b/src/main/java/grep/neogulcoder/domain/recruitment/post/service/RecruitmentPostSaveService.java
@@ -1,7 +1,7 @@
 package grep.neogulcoder.domain.recruitment.post.service;
 
-import grep.neogulcoder.domain.recruitment.post.controller.dto.response.save.JoinedStudyLoadInfo;
 import grep.neogulcoder.domain.recruitment.post.controller.dto.response.save.JoinedStudiesInfo;
+import grep.neogulcoder.domain.recruitment.post.controller.dto.response.save.JoinedStudyLoadInfo;
 import grep.neogulcoder.domain.recruitment.post.repository.RecruitmentPostRepository;
 import grep.neogulcoder.domain.recruitment.post.service.request.RecruitmentPostCreateServiceRequest;
 import grep.neogulcoder.domain.study.Study;
@@ -13,12 +13,9 @@
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
-import java.time.LocalDateTime;
 import java.util.List;
 
 import static grep.neogulcoder.domain.recruitment.RecruitmentErrorCode.*;
-import static grep.neogulcoder.domain.recruitment.RecruitmentErrorCode.NOT_FOUND_STUDY_MEMBER;
-import static grep.neogulcoder.domain.recruitment.RecruitmentErrorCode.NOT_STUDY_LEADER;
 
 @RequiredArgsConstructor
 @Transactional(readOnly = true)
@@ -36,7 +33,7 @@ public long create(RecruitmentPostCreateServiceRequest request, long userId) {
             throw new BusinessException(NOT_STUDY_LEADER);
         }
 
-        if(studyMember.getStudy().hasEndDateBefore(request.getExpiredDate())){
+        if (studyMember.getStudy().hasEndDateBefore(request.getExpiredDate())) {
             throw new BusinessException(END_DATE_ERROR);
         }
 
@@ -70,7 +67,7 @@ private List<Study> toStudyList(List<StudyMember> studyMembers) {
     private Study findValidStudy(long studyId, long userId) {
         StudyMember studyMember = studyMemberRepository.findByStudyIdAndUserId(studyId, userId);
 
-        if(isNotParticipated(studyMember)){
+        if (isNotParticipated(studyMember)) {
             throw new NotFoundException(NOT_FOUND_STUDY_MEMBER);
         }
         return studyMember.getStudy();
diff --git a/src/main/java/grep/neogulcoder/domain/study/Study.java b/src/main/java/grep/neogulcoder/domain/study/Study.java
index f9129428..260de1a4 100644
--- a/src/main/java/grep/neogulcoder/domain/study/Study.java
+++ b/src/main/java/grep/neogulcoder/domain/study/Study.java
@@ -126,7 +126,7 @@ public boolean isReviewableAt(LocalDateTime currentDateTime) {
     }
 
     public boolean hasEndDateBefore(LocalDateTime dateTime) {
-        return this.endDate.isBefore(dateTime);
+        return this.endDate.toLocalDate().isBefore(dateTime.toLocalDate());
     }
 
     public static boolean isOverJoinLimit(int joinedStudyCount) {
diff --git a/src/main/java/grep/neogulcoder/domain/study/service/StudySchedulerService.java b/src/main/java/grep/neogulcoder/domain/study/service/StudySchedulerService.java
index 59c6bc0c..57f3c876 100644
--- a/src/main/java/grep/neogulcoder/domain/study/service/StudySchedulerService.java
+++ b/src/main/java/grep/neogulcoder/domain/study/service/StudySchedulerService.java
@@ -4,6 +4,7 @@
 import grep.neogulcoder.domain.study.Study;
 import grep.neogulcoder.domain.study.StudyMember;
 import grep.neogulcoder.domain.study.event.StudyExtensionReminderEvent;
+import grep.neogulcoder.domain.study.repository.StudyMemberQueryRepository;
 import grep.neogulcoder.domain.study.repository.StudyMemberRepository;
 import grep.neogulcoder.domain.study.repository.StudyRepository;
 import lombok.RequiredArgsConstructor;
@@ -14,6 +15,8 @@
 import java.time.LocalDate;
 import java.time.LocalDateTime;
 import java.util.List;
+import java.util.Map;
+import java.util.stream.Collectors;
 
 @Transactional(readOnly = true)
 @RequiredArgsConstructor
@@ -24,6 +27,7 @@ public class StudySchedulerService {
     private final BuddyEnergyService buddyEnergyService;
     private final StudyMemberRepository studyMemberRepository;
     private final ApplicationEventPublisher eventPublisher;
+    private final StudyMemberQueryRepository studyMemberQueryRepository;
 
     @Transactional
     public void findStudiesEndingIn7Days() {
@@ -43,14 +47,27 @@ public void finalizeStudies() {
         LocalDateTime now = LocalDateTime.now();
         List<Study> studiesToBeFinished = studyRepository.findStudiesToBeFinished(now);
 
+        Map<Long, List<StudyMember>> memberMap = getActivatedMemberMap(studiesToBeFinished);
+
         for (Study study : studiesToBeFinished) {
             study.finish();
 
             // 스터디 멤버들 조회 후 버디에너지 업데이트
-            List<StudyMember> members = studyMemberRepository.findFetchStudyByStudyId(study.getId());
+            List<StudyMember> members = memberMap.getOrDefault(study.getId(), List.of());
             for (StudyMember member : members) {
                 buddyEnergyService.updateEnergyByStudy(member.getUserId(), member.isLeader());
             }
         }
     }
+
+    private Map<Long, List<StudyMember>> getActivatedMemberMap(List<Study> studies) {
+        List<Long> studyIds = studies.stream()
+            .map(Study::getId)
+            .toList();
+
+        List<StudyMember> allActivatedMembers = studyMemberQueryRepository.findActivatedMembersByStudyIds(studyIds);
+
+        return allActivatedMembers.stream()
+            .collect(Collectors.groupingBy(studyMember -> studyMember.getStudy().getId()));
+    }
 }