diff --git a/maintainers/maintainer-list.nix b/maintainers/maintainer-list.nix
index 23975a5a33a6..fe4e8bdf24b5 100644
--- a/maintainers/maintainer-list.nix
+++ b/maintainers/maintainer-list.nix
@@ -17018,6 +17018,12 @@
       fingerprint = "ADF4 C13D 0E36 1240 BD01  9B51 D1DE 6D7F 6936 63A5";
     }];
   };
+  Silver-Golden = {
+    name = "Brendan Golden";
+    email = "github+nixpkgs@brendan.ie";
+    github = "Silver-Golden";
+    githubId = 7858375;
+  };
   simarra = {
     name = "simarra";
     email = "loic.martel@protonmail.com";
diff --git a/nixos/modules/module-list.nix b/nixos/modules/module-list.nix
index 65047bdd110a..d9c4f38855a9 100644
--- a/nixos/modules/module-list.nix
+++ b/nixos/modules/module-list.nix
@@ -1175,6 +1175,7 @@
   ./services/search/typesense.nix
   ./services/security/aesmd.nix
   ./services/security/authelia.nix
+  ./services/security/bitwarden-directory-connector-cli.nix
   ./services/security/certmgr.nix
   ./services/security/cfssl.nix
   ./services/security/clamav.nix
diff --git a/nixos/modules/services/security/bitwarden-directory-connector-cli.nix b/nixos/modules/services/security/bitwarden-directory-connector-cli.nix
new file mode 100644
index 000000000000..18c02e22fd7e
--- /dev/null
+++ b/nixos/modules/services/security/bitwarden-directory-connector-cli.nix
@@ -0,0 +1,323 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+with lib; let
+  cfg = config.services.bitwarden-directory-connector-cli;
+in {
+  options.services.bitwarden-directory-connector-cli = {
+    enable = mkEnableOption "Bitwarden Directory Connector";
+
+    package = mkPackageOption pkgs "bitwarden-directory-connector-cli" {};
+
+    domain = mkOption {
+      type = types.str;
+      description = lib.mdDoc "The domain the Bitwarden/Vaultwarden is accessible on.";
+      example = "https://vaultwarden.example.com";
+    };
+
+    user = mkOption {
+      type = types.str;
+      description = lib.mdDoc "User to run the program.";
+      default = "bwdc";
+    };
+
+    interval = mkOption {
+      type = types.str;
+      default = "*:0,15,30,45";
+      description = lib.mdDoc "The interval when to run the connector. This uses systemd's OnCalendar syntax.";
+    };
+
+    ldap = mkOption {
+      description = lib.mdDoc ''
+        Options to configure the LDAP connection.
+        If you used the desktop application to test the configuration you can find the settings by searching for `ldap` in `~/.config/Bitwarden\ Directory\ Connector/data.json`.
+      '';
+      default = {};
+      type = types.submodule ({
+        config,
+        options,
+        ...
+      }: {
+        freeformType = types.attrsOf (pkgs.formats.json {}).type;
+
+        config.finalJSON = builtins.toJSON (removeAttrs config (filter (x: x == "finalJSON" || ! options.${x}.isDefined or false) (attrNames options)));
+
+        options = {
+          finalJSON = mkOption {
+            type = (pkgs.formats.json {}).type;
+            internal = true;
+            readOnly = true;
+            visible = false;
+          };
+
+          ssl = mkOption {
+            type = types.bool;
+            default = false;
+            description = lib.mdDoc "Whether to use TLS.";
+          };
+          startTls = mkOption {
+            type = types.bool;
+            default = false;
+            description = lib.mdDoc "Whether to use STARTTLS.";
+          };
+
+          hostname = mkOption {
+            type = types.str;
+            description = lib.mdDoc "The host the LDAP is accessible on.";
+            example = "ldap.example.com";
+          };
+
+          port = mkOption {
+            type = types.port;
+            default = 389;
+            description = lib.mdDoc "Port LDAP is accessible on.";
+          };
+
+          ad = mkOption {
+            type = types.bool;
+            default = false;
+            description = lib.mdDoc "Whether the LDAP Server is an Active Directory.";
+          };
+
+          pagedSearch = mkOption {
+            type = types.bool;
+            default = false;
+            description = lib.mdDoc "Whether the LDAP server paginates search results.";
+          };
+
+          rootPath = mkOption {
+            type = types.str;
+            description = lib.mdDoc "Root path for LDAP.";
+            example = "dc=example,dc=com";
+          };
+
+          username = mkOption {
+            type = types.str;
+            description = lib.mdDoc "The user to authenticate as.";
+            example = "cn=admin,dc=example,dc=com";
+          };
+        };
+      });
+    };
+
+    sync = mkOption {
+      description = lib.mdDoc ''
+        Options to configure what gets synced.
+        If you used the desktop application to test the configuration you can find the settings by searching for `sync` in `~/.config/Bitwarden\ Directory\ Connector/data.json`.
+      '';
+      default = {};
+      type = types.submodule ({
+        config,
+        options,
+        ...
+      }: {
+        freeformType = types.attrsOf (pkgs.formats.json {}).type;
+
+        config.finalJSON = builtins.toJSON (removeAttrs config (filter (x: x == "finalJSON" || ! options.${x}.isDefined or false) (attrNames options)));
+
+        options = {
+          finalJSON = mkOption {
+            type = (pkgs.formats.json {}).type;
+            internal = true;
+            readOnly = true;
+            visible = false;
+          };
+
+          removeDisabled = mkOption {
+            type = types.bool;
+            default = true;
+            description = lib.mdDoc "Remove users from bitwarden groups if no longer in the ldap group.";
+          };
+
+          overwriteExisting = mkOption {
+            type = types.bool;
+            default = false;
+            description =
+              lib.mdDoc "Remove and re-add users/groups, See https://bitwarden.com/help/user-group-filters/#overwriting-syncs for more details.";
+          };
+
+          largeImport = mkOption {
+            type = types.bool;
+            default = false;
+            description = lib.mdDoc "Enable if you are syncing more than 2000 users/groups.";
+          };
+
+          memberAttribute = mkOption {
+            type = types.str;
+            description = lib.mdDoc "Attribute that lists members in a LDAP group.";
+            example = "uniqueMember";
+          };
+
+          creationDateAttribute = mkOption {
+            type = types.str;
+            description = lib.mdDoc "Attribute that lists a user's creation date.";
+            example = "whenCreated";
+          };
+
+          useEmailPrefixSuffix = mkOption {
+            type = types.bool;
+            default = false;
+            description = lib.mdDoc "If a user has no email address, combine a username prefix with a suffix value to form an email.";
+          };
+          emailPrefixAttribute = mkOption {
+            type = types.str;
+            description = lib.mdDoc "The attribute that contains the users username.";
+            example = "accountName";
+          };
+          emailSuffix = mkOption {
+            type = types.str;
+            description = lib.mdDoc "Suffix for the email, normally @example.com.";
+            example = "@example.com";
+          };
+
+          users = mkOption {
+            type = types.bool;
+            default = false;
+            description = lib.mdDoc "Sync users.";
+          };
+          userPath = mkOption {
+            type = types.str;
+            description = lib.mdDoc "User directory, relative to root.";
+            default = "ou=users";
+          };
+          userObjectClass = mkOption {
+            type = types.str;
+            description = lib.mdDoc "Class that users must have.";
+            default = "inetOrgPerson";
+          };
+          userEmailAttribute = mkOption {
+            type = types.str;
+            description = lib.mdDoc "Attribute for a users email.";
+            default = "mail";
+          };
+          userFilter = mkOption {
+            type = types.str;
+            description = lib.mdDoc "LDAP filter for users.";
+            example = "(memberOf=cn=sales,ou=groups,dc=example,dc=com)";
+            default = "";
+          };
+
+          groups = mkOption {
+            type = types.bool;
+            default = false;
+            description = lib.mdDoc "Whether to sync ldap groups into BitWarden.";
+          };
+          groupPath = mkOption {
+            type = types.str;
+            description = lib.mdDoc "Group directory, relative to root.";
+            default = "ou=groups";
+          };
+          groupObjectClass = mkOption {
+            type = types.str;
+            description = lib.mdDoc "A class that groups will have.";
+            default = "groupOfNames";
+          };
+          groupNameAttribute = mkOption {
+            type = types.str;
+            description = lib.mdDoc "Attribute for a name of group.";
+            default = "cn";
+          };
+          groupFilter = mkOption {
+            type = types.str;
+            description = lib.mdDoc "LDAP filter for groups.";
+            example = "(cn=sales)";
+            default = "";
+          };
+        };
+      });
+    };
+
+    secrets = {
+      ldap = mkOption {
+        type = types.str;
+        description = "Path to file that contains LDAP password for user in {option}`ldap.username";
+      };
+
+      bitwarden = {
+        client_path_id = mkOption {
+          type = types.str;
+          description = "Path to file that contains Client ID.";
+        };
+        client_path_secret = mkOption {
+          type = types.str;
+          description = "Path to file that contains Client Secret.";
+        };
+      };
+    };
+  };
+
+  config = mkIf cfg.enable {
+    users.groups."${cfg.user}" = {};
+    users.users."${cfg.user}" = {
+      isSystemUser = true;
+      group = cfg.user;
+    };
+
+    systemd = {
+      timers.bitwarden-directory-connector-cli = {
+        description = "Sync timer for Bitwarden Directory Connector";
+        wantedBy = ["timers.target"];
+        after = ["network-online.target"];
+        timerConfig = {
+          OnCalendar = cfg.interval;
+          Unit = "bitwarden-directory-connector-cli.service";
+          Persistent = true;
+        };
+      };
+
+      services.bitwarden-directory-connector-cli = {
+        description = "Main process for Bitwarden Directory Connector";
+        path = [pkgs.jq];
+
+        environment = {
+          BITWARDENCLI_CONNECTOR_APPDATA_DIR = "/tmp";
+          BITWARDENCLI_CONNECTOR_PLAINTEXT_SECRETS = "true";
+        };
+
+        serviceConfig = {
+          Type = "oneshot";
+          User = "${cfg.user}";
+          PrivateTmp = true;
+          preStart = ''
+            set -eo pipefail
+
+            # create the config file
+            ${lib.getExe cfg.package} data-file
+            touch /tmp/data.json.tmp
+            chmod 600 /tmp/data.json{,.tmp}
+
+            ${lib.getExe cfg.package} config server ${cfg.domain}
+
+            # now login to set credentials
+            export BW_CLIENTID="$(< ${escapeShellArg cfg.secrets.bitwarden.client_path_id})"
+            export BW_CLIENTSECRET="$(< ${escapeShellArg cfg.secrets.bitwarden.client_path_secret})"
+            ${lib.getExe cfg.package} login
+
+            jq '.authenticatedAccounts[0] as $account
+              | .[$account].directoryConfigurations.ldap |= $ldap_data
+              | .[$account].directorySettings.organizationId |= $orgID
+              | .[$account].directorySettings.sync |= $sync_data' \
+              --argjson ldap_data ${escapeShellArg cfg.ldap.finalJSON} \
+              --arg orgID "''${BW_CLIENTID//organization.}" \
+              --argjson sync_data ${escapeShellArg cfg.sync.finalJSON} \
+              /tmp/data.json \
+              > /tmp/data.json.tmp
+
+            mv -f /tmp/data.json.tmp /tmp/data.json
+
+            # final config
+            ${lib.getExe cfg.package} config directory 0
+            ${lib.getExe cfg.package} config ldap.password --secretfile ${cfg.secrets.ldap}
+          '';
+
+          ExecStart = "${lib.getExe cfg.package} sync";
+        };
+      };
+    };
+  };
+
+  meta.maintainers = with maintainers; [Silver-Golden];
+}
diff --git a/pkgs/by-name/bi/bitwarden-directory-connector-cli/package.nix b/pkgs/by-name/bi/bitwarden-directory-connector-cli/package.nix
new file mode 100644
index 000000000000..24376014a120
--- /dev/null
+++ b/pkgs/by-name/bi/bitwarden-directory-connector-cli/package.nix
@@ -0,0 +1,66 @@
+{
+  lib,
+  buildNpmPackage,
+  fetchFromGitHub,
+  buildPackages,
+  python3,
+  pkg-config,
+  libsecret,
+  nodejs_18,
+}:
+buildNpmPackage rec {
+  pname = "bitwarden-directory-connector-cli";
+  version = "2023.10.0";
+  nodejs = nodejs_18;
+
+  src = fetchFromGitHub {
+    owner = "bitwarden";
+    repo = "directory-connector";
+    rev = "v${version}";
+    hash = "sha256-PlOtTh+rpTxAv8ajHBDHZuL7yeeLVpbAfKEDPQlejIg=";
+  };
+
+  postPatch = ''
+    ${lib.getExe buildPackages.jq} 'del(.scripts.preinstall)' package.json > package.json.tmp
+    mv -f package.json{.tmp,}
+  '';
+
+  npmDepsHash = "sha256-jBAWWY12qeX2EDhUvT3TQpnQvYXRsIilRrXGpVzxYvw=";
+
+  env.ELECTRON_SKIP_BINARY_DOWNLOAD = "1";
+
+  makeCacheWritable = true;
+  npmBuildScript = "build:cli:prod";
+
+  installPhase = ''
+    runHook preInstall
+    mkdir -p $out/libexec/bitwarden-directory-connector
+    cp -R {build-cli,node_modules} $out/libexec/bitwarden-directory-connector
+    runHook postInstall
+  '';
+
+  # needs to be wrapped with nodejs so that it can be executed
+  postInstall = ''
+    chmod +x $out/libexec/bitwarden-directory-connector/build-cli/bwdc.js
+    mkdir -p $out/bin
+    ln -s $out/libexec/bitwarden-directory-connector/build-cli/bwdc.js $out/bin/bitwarden-directory-connector-cli
+  '';
+
+  buildInputs = [
+    libsecret
+  ];
+
+  nativeBuildInputs = [
+    python3
+    pkg-config
+  ];
+
+  meta = with lib; {
+    description = "LDAP connector for Bitwarden";
+    homepage = "https://github.com/bitwarden/directory-connector";
+    license = licenses.gpl3Only;
+    maintainers = with maintainers; [Silver-Golden];
+    platforms = platforms.linux;
+    mainProgram = "bitwarden-directory-connector-cli";
+  };
+}