try to use a shell alias

home/work-wsl.nix

@@ -16,6 +16,9 @@
       };
     };
   };
+  home.shellAliases = {
+     management-server = "mosh --ssh=\"ssh -p 22\" localadmin@10.40.0.53 tmux a";
+  };
   # raw config files
   home.file.".bashrc".source = ./work_config/bashrc;
 }