diff --git a/hosts/ficolobuild/build3.nix b/hosts/ficolobuild/build3.nix
index 2d55c81a..6158fc9a 100644
--- a/hosts/ficolobuild/build3.nix
+++ b/hosts/ficolobuild/build3.nix
@@ -9,6 +9,7 @@
   imports = lib.flatten [
     (with self.nixosModules; [
       user-themisto
+      user-ktu
     ])
     ./builder.nix
     ./developers.nix
@@ -20,6 +21,6 @@
 
   # Trust Themisto Hydra user
   nix.settings = {
-    trusted-users = ["root" "themisto"];
+    trusted-users = ["root" "themisto" "@wheel"];
   };
 }
diff --git a/users/default.nix b/users/default.nix
index 5d23dee3..07ef7a85 100644
--- a/users/default.nix
+++ b/users/default.nix
@@ -15,5 +15,6 @@
     user-tervis = import ./tervis.nix;
     user-barna = import ./barna.nix;
     user-mika = import ./mika.nix;
+    user-ktu = import ./ktu.nix;
   };
 }
diff --git a/users/ktu.nix b/users/ktu.nix
new file mode 100644
index 00000000..3f6792e6
--- /dev/null
+++ b/users/ktu.nix
@@ -0,0 +1,14 @@
+# SPDX-FileCopyrightText: 2024 Technology Innovation Institute (TII)
+#
+# SPDX-License-Identifier: Apache-2.0
+{
+  users.users = {
+    ktu = {
+      isNormalUser = true;
+      openssh.authorizedKeys.keys = [
+        "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIBeMFr++WulL/hQKejDnE1ePRQscLp7LvLAy/DyLW4AU ktu@nixos"
+      ];
+      extraGroups = ["wheel" "networkmanager"];
+    };
+  };
+}