diff --git a/frontend/src/app/(app)/settings/departments/page.tsx b/frontend/src/app/(app)/settings/departments/page.tsx
index e35d8d8..f97bd98 100644
--- a/frontend/src/app/(app)/settings/departments/page.tsx
+++ b/frontend/src/app/(app)/settings/departments/page.tsx
@@ -8,9 +8,11 @@ import {
   deleteGroup,
   type Group,
 } from "@/lib/api";
+import { useAuth } from "@/lib/auth";
 import Modal from "@/components/Modal";
 
 export default function DepartmentsPage() {
+  const { user, isLoading: authLoading } = useAuth();
   const [groups, setGroups] = useState<Group[]>([]);
   const [loading, setLoading] = useState(true);
   const [error, setError] = useState("");
@@ -36,8 +38,13 @@ export default function DepartmentsPage() {
   }, []);
 
   useEffect(() => {
+    if (authLoading) return;
+    if (user?.role !== "admin") {
+      setLoading(false);
+      return;
+    }
     fetchGroups();
-  }, [fetchGroups]);
+  }, [fetchGroups, authLoading, user?.role]);
 
   const openCreate = () => {
     setEditing(null);
@@ -94,6 +101,20 @@ export default function DepartmentsPage() {
     }
   };
 
+  if (!authLoading && user?.role !== "admin") {
+    return (
+      <div>
+        <div className="page-header">
+          <h1>Departamentos</h1>
+        </div>
+        <div className="alert alert-warning" role="alert">
+          <i className="bi bi-shield-lock me-2"></i>
+          Solo los administradores pueden gestionar departamentos.
+        </div>
+      </div>
+    );
+  }
+
   return (
     <div>
       <div className="page-header">
diff --git a/frontend/src/app/(app)/settings/sla/page.tsx b/frontend/src/app/(app)/settings/sla/page.tsx
index ac35dac..859e2ff 100644
--- a/frontend/src/app/(app)/settings/sla/page.tsx
+++ b/frontend/src/app/(app)/settings/sla/page.tsx
@@ -7,9 +7,11 @@ import {
   updateSla,
   type SLAPolicy,
 } from "@/lib/api";
+import { useAuth } from "@/lib/auth";
 import Modal from "@/components/Modal";
 
 export default function SlaPage() {
+  const { user, isLoading: authLoading } = useAuth();
   const [policies, setPolicies] = useState<SLAPolicy[]>([]);
   const [loading, setLoading] = useState(true);
   const [error, setError] = useState("");
@@ -37,8 +39,13 @@ export default function SlaPage() {
   }, []);
 
   useEffect(() => {
+    if (authLoading) return;
+    if (user?.role !== "admin") {
+      setLoading(false);
+      return;
+    }
     fetchPolicies();
-  }, [fetchPolicies]);
+  }, [fetchPolicies, authLoading, user?.role]);
 
   const openCreate = () => {
     setEditing(null);
@@ -101,6 +108,20 @@ export default function SlaPage() {
     }
   };
 
+  if (!authLoading && user?.role !== "admin") {
+    return (
+      <div>
+        <div className="page-header">
+          <h1>Políticas SLA</h1>
+        </div>
+        <div className="alert alert-warning" role="alert">
+          <i className="bi bi-shield-lock me-2"></i>
+          Solo los administradores pueden gestionar las políticas SLA.
+        </div>
+      </div>
+    );
+  }
+
   return (
     <div>
       <div className="page-header">
diff --git a/frontend/src/app/(app)/settings/team/page.tsx b/frontend/src/app/(app)/settings/team/page.tsx
index d6efb21..13f9a69 100644
--- a/frontend/src/app/(app)/settings/team/page.tsx
+++ b/frontend/src/app/(app)/settings/team/page.tsx
@@ -9,9 +9,11 @@ import {
   type TeamMember,
   type Group,
 } from "@/lib/api";
+import { useAuth } from "@/lib/auth";
 import Modal from "@/components/Modal";
 
 export default function TeamPage() {
+  const { user, isLoading: authLoading } = useAuth();
   const [team, setTeam] = useState<TeamMember[]>([]);
   const [groups, setGroups] = useState<Group[]>([]);
   const [loading, setLoading] = useState(true);
@@ -41,8 +43,13 @@ export default function TeamPage() {
   }, []);
 
   useEffect(() => {
+    if (authLoading) return;
+    if (user?.role !== "admin") {
+      setLoading(false);
+      return;
+    }
     fetchData();
-  }, [fetchData]);
+  }, [fetchData, authLoading, user?.role]);
 
   const openCreate = () => {
     setEditing(null);
@@ -97,6 +104,20 @@ export default function TeamPage() {
     }
   };
 
+  if (!authLoading && user?.role !== "admin") {
+    return (
+      <div>
+        <div className="page-header">
+          <h1>Equipo de Soporte</h1>
+        </div>
+        <div className="alert alert-warning" role="alert">
+          <i className="bi bi-shield-lock me-2"></i>
+          Solo los administradores pueden gestionar el equipo.
+        </div>
+      </div>
+    );
+  }
+
   return (
     <div>
       <div className="page-header">
diff --git a/frontend/src/app/(app)/tickets/page.tsx b/frontend/src/app/(app)/tickets/page.tsx
index 1966fde..334579b 100644
--- a/frontend/src/app/(app)/tickets/page.tsx
+++ b/frontend/src/app/(app)/tickets/page.tsx
@@ -3,6 +3,7 @@
 import { useEffect, useState, useCallback } from "react";
 import { useRouter } from "next/navigation";
 import { getTickets, type Ticket } from "@/lib/api";
+import { useAuth } from "@/lib/auth";
 import BadgeStatus from "@/components/BadgeStatus";
 import BadgePriority from "@/components/BadgePriority";
 import PaginationComponent from "@/components/Pagination";
@@ -10,21 +11,33 @@ import Link from "next/link";
 
 export default function TicketsPage() {
   const router = useRouter();
+  const { user } = useAuth();
   const [tickets, setTickets] = useState<Ticket[]>([]);
   const [total, setTotal] = useState(0);
   const [page, setPage] = useState(1);
   const [loading, setLoading] = useState(true);
+  const [view, setView] = useState<"all" | "mine" | "assigned" | "unassigned">("all");
   const [statusFilter, setStatusFilter] = useState("");
   const [priorityFilter, setPriorityFilter] = useState("");
   const [search, setSearch] = useState("");
   const pageSize = 10;
 
+  const numericId = parseInt(user?.idUsuario ?? "", 10);
+  const hasNumericId = !isNaN(numericId);
+
   const fetchTickets = useCallback(async () => {
     setLoading(true);
     try {
       const data = await getTickets({
         status: statusFilter || undefined,
         priority: priorityFilter || undefined,
+        requesterId: view === "mine" && hasNumericId ? numericId : undefined,
+        assigneeId:
+          view === "assigned" && hasNumericId
+            ? numericId
+            : view === "unassigned"
+              ? 0
+              : undefined,
         search: search || undefined,
         page,
         pageSize,
@@ -37,7 +50,7 @@ export default function TicketsPage() {
     } finally {
       setLoading(false);
     }
-  }, [statusFilter, priorityFilter, search, page]);
+  }, [statusFilter, priorityFilter, search, page, view, numericId, hasNumericId]);
 
   useEffect(() => {
     fetchTickets();
@@ -56,6 +69,30 @@ export default function TicketsPage() {
       </div>
 
       {/* Filters */}
+      <div className="filter-bar mb-3">
+        <div className="btn-group" role="group" aria-label="Vista">
+          {(
+            [
+              ["all", "Todos"],
+              ["mine", "Míos"],
+              ["assigned", "Asignados a mí"],
+              ["unassigned", "Sin asignar"],
+            ] as const
+          ).map(([v, label]) => (
+            <button
+              key={v}
+              type="button"
+              className={`btn btn-sm ${view === v ? "btn-primary" : "btn-outline-secondary"}`}
+              onClick={() => {
+                setView(v);
+                setPage(1);
+              }}
+            >
+              {label}
+            </button>
+          ))}
+        </div>
+      </div>
       <div className="filter-bar mb-4">
         <div className="d-flex align-items-center gap-2">
           <i className="bi bi-funnel text-muted"></i>
diff --git a/frontend/src/components/Sidebar.tsx b/frontend/src/components/Sidebar.tsx
index 1bcc00f..99bb666 100644
--- a/frontend/src/components/Sidebar.tsx
+++ b/frontend/src/components/Sidebar.tsx
@@ -24,6 +24,9 @@ export default function Sidebar() {
     pathname === href || (href !== "/" && pathname.startsWith(href));
 
   const fullName = user ? `${user.nombres} ${user.apPaterno}` : "Usuario";
+  const isAdmin = user?.role === "admin";
+  const roleLabel =
+    user?.role === "admin" ? "Administrador" : user?.role === "agent" ? "Agente" : "Usuario";
   const initials = user?.nombres
     ?.split(" ")
     .map((n: string) => n[0])
@@ -54,13 +57,15 @@ export default function Sidebar() {
             <span>{item.label}</span>
           </Link>
         ))}
-        <div
-          className="text-uppercase mt-3 mb-1 px-3"
-          style={{ fontSize: "0.7rem", letterSpacing: "0.08em", opacity: 0.6 }}
-        >
-          Configuración
-        </div>
-        {configItems.map((item) => (
+        {isAdmin && (
+          <>
+            <div
+              className="text-uppercase mt-3 mb-1 px-3"
+              style={{ fontSize: "0.7rem", letterSpacing: "0.08em", opacity: 0.6 }}
+            >
+              Configuración
+            </div>
+            {configItems.map((item) => (
           <Link
             key={item.href}
             href={item.href}
@@ -69,14 +74,16 @@ export default function Sidebar() {
             <i className={`bi ${item.icon}`}></i>
             <span>{item.label}</span>
           </Link>
-        ))}
+            ))}
+          </>
+        )}
       </nav>
 
       <div className="sidebar-user">
         <div className="avatar">{initials}</div>
         <div className="sidebar-user-info">
           <div className="name">{fullName}</div>
-          <div className="role">{user?.tipo || "Usuario"}</div>
+          <div className="role">{roleLabel}</div>
         </div>
         <button
           onClick={logout}
diff --git a/frontend/src/lib/api.ts b/frontend/src/lib/api.ts
index 8c479a7..7ce9d42 100644
--- a/frontend/src/lib/api.ts
+++ b/frontend/src/lib/api.ts
@@ -44,6 +44,7 @@ export async function getTickets(params?: {
   status?: string;
   priority?: string;
   assigneeId?: number;
+  requesterId?: number;
   groupId?: number;
   search?: string;
   page?: number;
@@ -161,6 +162,9 @@ export interface HelpDeskUser {
   activo: number;
   fono?: string;
   idSede?: number;
+  role?: string;
+  departmentId?: number;
+  departmentName?: string;
 }
 
 export interface Ticket {