diff --git a/src/Router.tsx b/src/Router.tsx
index 8c15694..052674c 100644
--- a/src/Router.tsx
+++ b/src/Router.tsx
@@ -8,6 +8,8 @@ import profileLoader from "./pages/ProfilePage/loader/profileLoader";
 
 import NoticeDetailSkeleton from "./components/NoticeDetailSkeleton";
 import PageErrorElement from "./components/PageErrorElement";
+import ProtectedRoute from "./components/ProtectedRoute";
+import { loginProtectCondition } from "./constants/router";
 import { ROUTES } from "./constants/router";
 import AuthLayout from "./layouts/AuthLayout";
 import MainLayout from "./layouts/MainLayout";
@@ -45,27 +47,27 @@ const NotFoundPage = lazy(() => import("@/pages/NotFoundPage"));
 const authRoutes: RouteObject[] = [
   {
     path: ROUTES.AUTH.SIGNUP,
-    Component: SignupPage,
+    element: <SignupPage />,
   },
   {
     path: ROUTES.AUTH.SIGNIN,
-    Component: SigninPage,
+    element: <SigninPage />,
   },
 ];
 
 const shopRoutes: RouteObject[] = [
   {
     path: ROUTES.SHOP.ROOT,
-    Component: ShopPage,
+    element: <ShopPage />,
   },
   {
     path: ROUTES.SHOP.REGISTER,
-    Component: ShopRegisterPage,
+    element: <ShopRegisterPage />,
     handle: { hideFooter: true },
   },
   {
     path: ROUTES.SHOP.EDIT,
-    Component: ShopEditPage,
+    element: <ShopEditPage />,
     handle: { hideFooter: true },
   },
 ];
@@ -73,17 +75,30 @@ const shopRoutes: RouteObject[] = [
 const profileRoutes: RouteObject[] = [
   {
     path: ROUTES.PROFILE.ROOT,
-    Component: ProfilePage,
+    element: (
+      <ProtectedRoute
+        conditions={({ isLoggedIn, user }) => [
+          loginProtectCondition(isLoggedIn),
+          {
+            isPass: user?.type === "employee",
+            redirectPath: ROUTES.SHOP.ROOT,
+            message: "알바생 계정으로만 이용 가능한 기능입니다.",
+          },
+        ]}
+      >
+        <ProfilePage />
+      </ProtectedRoute>
+    ),
     loader: profileLoader,
   },
   {
     path: ROUTES.PROFILE.REGISTER,
-    Component: ProfileRegisterPage,
+    element: <ProfileRegisterPage />,
     handle: { hideFooter: true },
   },
   {
     path: ROUTES.PROFILE.EDIT,
-    Component: ProfileEditPage,
+    element: <ProfileEditPage />,
     handle: { hideFooter: true },
   },
 ];
@@ -91,31 +106,57 @@ const profileRoutes: RouteObject[] = [
 const noticeRoutes: RouteObject[] = [
   {
     path: ROUTES.NOTICE.ROOT,
-    Component: NoticeListPage,
+    element: <NoticeListPage />,
   },
   {
     path: ROUTES.NOTICE.SEARCH,
-    Component: NoticeSearchPage,
+    element: <NoticeSearchPage />,
   },
   {
     path: ROUTES.NOTICE.REGISTER,
-    Component: NoticeRegisterPage,
+    element: <NoticeRegisterPage />,
     handle: { hideFooter: true },
   },
   {
     path: ROUTES.NOTICE.EDIT,
-    Component: NoticeEditPage,
+    element: <NoticeEditPage />,
     handle: { hideFooter: true },
   },
   {
     path: ROUTES.NOTICE.NOTICE_ID.EMPLOYER,
-    Component: NoticeEmployerPage,
+    element: (
+      <ProtectedRoute
+        conditions={({ isLoggedIn, user }) => [
+          loginProtectCondition(isLoggedIn),
+          {
+            isPass: user?.type === "employer",
+            redirectPath: ROUTES.PROFILE.ROOT,
+            message: "사장님 계정으로만 이용 가능한 기능입니다.",
+          },
+        ]}
+      >
+        <NoticeEmployerPage />
+      </ProtectedRoute>
+    ),
     loader: noticeEmployerLoader,
     hydrateFallbackElement: <NoticeDetailSkeleton />,
   },
   {
     path: ROUTES.NOTICE.NOTICE_ID.EMPLOYEE,
-    Component: NoticeEmployeePage,
+    element: (
+      <ProtectedRoute
+        conditions={({ isLoggedIn, user }) => [
+          loginProtectCondition(isLoggedIn),
+          {
+            isPass: user?.type === "employee",
+            redirectPath: ROUTES.SHOP.ROOT,
+            message: "알바생 계정으로만 이용 가능한 기능입니다.",
+          },
+        ]}
+      >
+        <NoticeEmployeePage />
+      </ProtectedRoute>
+    ),
     loader: noticeEmployeeLoader,
     hydrateFallbackElement: <NoticeDetailSkeleton />,
   },
@@ -125,12 +166,12 @@ const appRoutes: RouteObject[] = [
   ...shopRoutes,
   ...profileRoutes,
   ...noticeRoutes,
-  { path: "*", Component: NotFoundPage },
+  { path: "*", element: <NotFoundPage /> },
 ];
 
 export const router = createBrowserRouter([
   {
-    Component: AuthLayout,
+    element: <AuthLayout />,
     children: [
       {
         children: authRoutes,
@@ -139,7 +180,7 @@ export const router = createBrowserRouter([
     ],
   },
   {
-    Component: MainLayout,
+    element: <MainLayout />,
     children: [
       {
         children: appRoutes,
diff --git a/src/components/ProtectedRoute.tsx b/src/components/ProtectedRoute.tsx
new file mode 100644
index 0000000..2c4098d
--- /dev/null
+++ b/src/components/ProtectedRoute.tsx
@@ -0,0 +1,60 @@
+import { ReactNode, useLayoutEffect } from "react";
+
+import { useNavigate } from "react-router-dom";
+
+import { User, useUserStore } from "@/hooks/useUserStore";
+import { useModalStore } from "@/store/useModalStore";
+
+interface ProtectedRouteConditionType {
+  isPass: boolean;
+  redirectPath: string;
+  message: string;
+}
+
+interface ProtectedRouteParamType {
+  user: User | null;
+  isLoggedIn: boolean;
+}
+
+interface ProtectedRouteProps {
+  children: ReactNode;
+  conditions: (
+    params: ProtectedRouteParamType,
+  ) => ProtectedRouteConditionType[];
+}
+
+function ProtectedRoute({ children, conditions }: ProtectedRouteProps) {
+  const navigate = useNavigate();
+  const user = useUserStore((state) => state.user);
+  const isLoggedIn = useUserStore((state) => state.isLoggedIn);
+  const openModal = useModalStore((state) => state.openModal);
+
+  useLayoutEffect(() => {
+    if (user === undefined) return;
+    const receivedConditions = conditions({ user, isLoggedIn });
+
+    for (const { isPass, redirectPath, message } of receivedConditions) {
+      if (!isPass) {
+        if (message) {
+          openModal({
+            type: "alert",
+            iconType: "warning",
+            message,
+            onClose: () => navigate(redirectPath),
+          });
+        } else {
+          navigate(redirectPath);
+        }
+        break;
+      }
+    }
+  }, [user, isLoggedIn, conditions, openModal, navigate]);
+
+  if (user === undefined) {
+    return null;
+  }
+
+  return children;
+}
+
+export default ProtectedRoute;
diff --git a/src/constants/router.ts b/src/constants/router.ts
index 5b86a64..b4dcc36 100644
--- a/src/constants/router.ts
+++ b/src/constants/router.ts
@@ -1,4 +1,4 @@
-const ROUTES = {
+export const ROUTES = {
   AUTH: {
     SIGNUP: "/signup",
     SIGNIN: "/signin",
@@ -26,4 +26,9 @@ const ROUTES = {
   notFound: "*",
 } as const;
 
-export { ROUTES };
+export const loginProtectCondition = (isLoggedIn: boolean) =>
+  ({
+    isPass: isLoggedIn,
+    redirectPath: ROUTES.AUTH.SIGNIN,
+    message: "로그인 후에 이용 가능한 기능입니다.",
+  }) as const;
diff --git a/src/pages/ProfilePage/ProfilePage.tsx b/src/pages/ProfilePage/ProfilePage.tsx
index 6245db9..20225af 100644
--- a/src/pages/ProfilePage/ProfilePage.tsx
+++ b/src/pages/ProfilePage/ProfilePage.tsx
@@ -7,7 +7,6 @@ import useUserApplications from "./hooks/useUserApplications";
 
 import EmptyStateCard from "@/components/EmptyStateCard";
 import { ROUTES } from "@/constants/router";
-import { UserApplicationList } from "@/types/application";
 import { UserItem } from "@/types/user";
 
 const LIMIT = 5;
@@ -16,14 +15,17 @@ const PAGE_LIMIT = 7;
 export default function ProfilePage() {
   const { userInfo } = useLoaderData<{
     userInfo: UserItem;
-    count: number;
-    userApplications: UserApplicationList[];
   }>();
+
   const navigate = useNavigate();
   const { isLoading, totalCount, userApplications } = useUserApplications({
-    userId: userInfo.id,
+    userId: userInfo?.id,
   });
 
+  if (!userInfo) {
+    return null;
+  }
+
   return (
     <>
       <section>
diff --git a/src/pages/ProfilePage/hooks/useUserApplications.ts b/src/pages/ProfilePage/hooks/useUserApplications.ts
index c4d4b0d..ef424ed 100644
--- a/src/pages/ProfilePage/hooks/useUserApplications.ts
+++ b/src/pages/ProfilePage/hooks/useUserApplications.ts
@@ -24,26 +24,31 @@ const useUserApplications = ({
   >([]);
   const page = Number(searchParams.get("page")) || 1;
 
-  const fetchUserApplication = async () => {
-    setIsLoading(true);
-    const userApplications = await getUserApplications(
-      userId,
-      (page - 1) * offset,
-      limit,
-    );
-
-    const nextUserApplications = userApplications.data.items.map(
-      ({ item }) => item,
-    );
-
-    setTotalCount(userApplications.data.count);
-    setUserApplications(nextUserApplications);
-    setIsLoading(false);
-  };
-
   useEffect(() => {
+    if (!userId) return;
+
+    const fetchUserApplication = async () => {
+      try {
+        setIsLoading(true);
+        const userApplications = await getUserApplications(
+          userId,
+          (page - 1) * offset,
+          limit,
+        );
+
+        const nextUserApplications = userApplications.data.items.map(
+          ({ item }) => item,
+        );
+
+        setTotalCount(userApplications.data.count);
+        setUserApplications(nextUserApplications);
+      } finally {
+        setIsLoading(false);
+      }
+    };
+
     fetchUserApplication();
-  }, [page]);
+  }, [userId, page, offset, limit]); // 의존성 보완
 
   return { userApplications, isLoading, totalCount };
 };
diff --git a/src/pages/ProfilePage/loader/profileLoader.ts b/src/pages/ProfilePage/loader/profileLoader.ts
index 1ed7e38..82953f0 100644
--- a/src/pages/ProfilePage/loader/profileLoader.ts
+++ b/src/pages/ProfilePage/loader/profileLoader.ts
@@ -3,6 +3,11 @@ import { useUserStore } from "@/hooks/useUserStore";
 
 const profileLoader = async () => {
   const userId = useUserStore.getState().user?.id;
+
+  if (!userId) {
+    return {};
+  }
+
   const userInfo = await getUser(userId ?? "");
 
   if (userInfo.status === 200) {