diff --git a/apps/cs/src/app/providers/app-provider.tsx b/apps/cs/src/app/providers/app-provider.tsx
index fb4b65f27..6fd488b90 100644
--- a/apps/cs/src/app/providers/app-provider.tsx
+++ b/apps/cs/src/app/providers/app-provider.tsx
@@ -6,6 +6,7 @@ import { AuthWrapper } from "@/entities/auth";
 import { MenuWrapper } from "@/entities/menu";
 import { StoreProvider } from "@/shared/providers";
 import { AlertDialog } from "@/shared/ui/alert-dialog";
+import { ConfirmDialog } from "@/shared/ui/confirm-dialog";
 
 const AppProvider = ({ children }: Readonly<{ children: React.ReactNode }>) => {
   const queryClient = new QueryClient();
@@ -16,6 +17,7 @@ const AppProvider = ({ children }: Readonly<{ children: React.ReactNode }>) => {
           <AuthWrapper>
             <MenuWrapper>{children}</MenuWrapper>
             <AlertDialog />
+            <ConfirmDialog />
           </AuthWrapper>
         </ConfirmProvider>
       </StoreProvider>
diff --git a/apps/cs/src/entities/posting/model/posting-interface.ts b/apps/cs/src/entities/posting/model/posting-interface.ts
index 3adaf3404..0c9d65a51 100644
--- a/apps/cs/src/entities/posting/model/posting-interface.ts
+++ b/apps/cs/src/entities/posting/model/posting-interface.ts
@@ -32,10 +32,17 @@ export const withModePostSchema = postSchema
   })
   .omit({
     siteNm: true,
+    pstgTypeNm: true,
+    pstgPrdSeNm: true,
   });
 
+export const postingFormSchema = z.object({
+  pstg: z.array(withModePostSchema),
+});
+
 export type Post = z.infer<typeof postSchema>;
 export type WithModePost = z.infer<typeof withModePostSchema>;
+export type PostingFormData = z.infer<typeof postingFormSchema>;
 
 export interface PostService {
   getPostingHistory: (params: PostingParams) => Promise<PageableList<Post>>;
diff --git a/apps/cs/src/entities/posting/ui/posting-dialog.tsx b/apps/cs/src/entities/posting/ui/posting-dialog.tsx
index 7a91d510e..df07e2182 100644
--- a/apps/cs/src/entities/posting/ui/posting-dialog.tsx
+++ b/apps/cs/src/entities/posting/ui/posting-dialog.tsx
@@ -1,7 +1,9 @@
 import dayjs from "dayjs";
 import { useState } from "react";
+import { zodResolver } from "@hookform/resolvers/zod";
 import { useFieldArray, useForm } from "react-hook-form";
-import { useQuery } from "@tanstack/react-query";
+import { useMutation, useQuery } from "@tanstack/react-query";
+import { useConfirm } from "@frontend-opensource/use-react-hooks";
 import {
   Dialog,
   DialogTrigger,
@@ -19,13 +21,22 @@ import {
   Checkbox,
   Select,
   DateRangePicker,
+  DialogClose,
+  DialogFooter,
 } from "@common/components/ui";
 import { cn } from "@common/components/lib";
 import { CodeSelect } from "@/entities/code";
 import { SiteApi, type Site } from "@/entities/site";
 import type { PageableList } from "@/shared/model";
 import { ENDPOINT } from "@/shared/config";
-import { type PostingType } from "../model/posting-interface";
+import { PostingApi } from "../api/posting-service";
+import {
+  postingFormSchema,
+  type PostingFormData,
+  type PostingType,
+  type WithModePost,
+} from "../model/posting-interface";
+import { useAlertStore } from "@/shared/lib/use-alert-store";
 
 type DateRange = {
   from: string;
@@ -49,6 +60,8 @@ const POSTING_TYPE_LABEL = {
 } as const;
 
 function PostingDialog({ postingType, postingTargets }: PostingDialogProps) {
+  const { confirm } = useConfirm();
+  const { setMessage: alert } = useAlertStore((state) => state);
   const [selectedRows, setSelectedRows] = useState<number[]>([]);
   const [rememberPeriodCode, setRememberPeriodCode] = useState<
     Record<string, string>
@@ -62,7 +75,16 @@ function PostingDialog({ postingType, postingTargets }: PostingDialogProps) {
     queryFn: () => SiteApi.getSiteList({}),
   });
 
-  const form = useForm();
+  const { mutateAsync: requestPosting } = useMutation({
+    mutationFn: (data: WithModePost[]) => PostingApi.requestPosting(data),
+    onSuccess: () => {
+      alert("저장되었습니다.");
+    },
+  });
+
+  const form = useForm<PostingFormData>({
+    resolver: zodResolver(postingFormSchema),
+  });
   const { fields, append, replace } = useFieldArray({
     control: form.control,
     name: "pstg",
@@ -172,6 +194,13 @@ function PostingDialog({ postingType, postingTargets }: PostingDialogProps) {
       });
     };
 
+  const handleSave = async () => {
+    if (await confirm("저장하시겠습니까?")) {
+      const data = form.getValues("pstg");
+      await requestPosting(data);
+    }
+  };
+
   return (
     <Dialog onOpenChange={handleOpenChange}>
       <DialogTrigger asChild>
@@ -196,7 +225,7 @@ function PostingDialog({ postingType, postingTargets }: PostingDialogProps) {
             ))}
           </div>
         </div>
-        <div className="m-2 max-h-[28rem] overflow-auto">
+        <div className="m-2 max-h-[30rem] overflow-auto">
           <Table variant="secondary">
             <colgroup>
               <col width="10%" />
@@ -258,6 +287,16 @@ function PostingDialog({ postingType, postingTargets }: PostingDialogProps) {
             </TableBody>
           </Table>
         </div>
+        <DialogFooter className="!justify-center">
+          <Button size="lg" onClick={handleSave}>
+            저장
+          </Button>
+          <DialogClose asChild>
+            <Button size="lg" color="white">
+              취소
+            </Button>
+          </DialogClose>
+        </DialogFooter>
       </DialogContent>
     </Dialog>
   );
diff --git a/apps/cs/src/shared/ui/confirm-dialog.tsx b/apps/cs/src/shared/ui/confirm-dialog.tsx
index 8f9ce2264..4223d197e 100644
--- a/apps/cs/src/shared/ui/confirm-dialog.tsx
+++ b/apps/cs/src/shared/ui/confirm-dialog.tsx
@@ -9,7 +9,7 @@ import {
 } from "@common/components/ui";
 
 type ConfirmDialogProps = {
-  open: boolean;
+  open?: boolean;
   confirmButtonProps?: ButtonProps & { label?: string };
   cancelButtonProps?: ButtonProps & { label?: string };
 };
@@ -19,9 +19,9 @@ function ConfirmDialog({
   confirmButtonProps,
   cancelButtonProps,
 }: ConfirmDialogProps) {
-  const { message, onConfirm, onCancel } = useConfirm();
+  const { message, isOpen, onConfirm, onCancel } = useConfirm();
   return (
-    <Dialog open={open} onOpenChange={onCancel}>
+    <Dialog open={open ?? isOpen} onOpenChange={onCancel}>
       <DialogContent aria-describedby={undefined}>
         <div className="py-10">
           <p className="text-center text-[1.4rem] text-foreground">{message}</p>