diff --git a/changes/api/941.changed.md b/changes/api/941.changed.md
new file mode 100644
index 000000000..887a7499a
--- /dev/null
+++ b/changes/api/941.changed.md
@@ -0,0 +1 @@
+Reintroduced armasec domain config
diff --git a/jobbergate-api/jobbergate_api/config.py b/jobbergate-api/jobbergate_api/config.py
index 8aca0c1a8..bfbcc4894 100644
--- a/jobbergate-api/jobbergate_api/config.py
+++ b/jobbergate-api/jobbergate_api/config.py
@@ -80,6 +80,12 @@ class Settings(BaseSettings):
     ARMASEC_DOMAIN: str
     ARMASEC_USE_HTTPS: bool = Field(True)
     ARMASEC_DEBUG: bool = Field(False)
+    ARMASEC_ADMIN_DOMAIN: Optional[str] = None
+    ARMASEC_ADMIN_MATCH_KEY: Optional[str] = None
+    ARMASEC_ADMIN_MATCH_VALUE: Optional[str] = None
+
+    # Key to custom claims packaged with Auth0 tokens
+    IDENTITY_CLAIMS_KEY: str = "https://omnivector.solutions"
 
     # Sentry configuration
     SENTRY_DSN: Optional[HttpUrl] = None
diff --git a/jobbergate-api/jobbergate_api/security.py b/jobbergate-api/jobbergate_api/security.py
index e8d2fc2c2..d242a4db7 100644
--- a/jobbergate-api/jobbergate_api/security.py
+++ b/jobbergate-api/jobbergate_api/security.py
@@ -7,6 +7,7 @@
 from typing import Annotated
 
 from armasec import Armasec, TokenPayload
+from armasec.schemas import DomainConfig
 from armasec.token_security import PermissionMode
 from buzz import check_expressions
 from fastapi import Depends, HTTPException, status
@@ -16,11 +17,46 @@
 from jobbergate_api.config import settings
 
 
+def get_domain_configs() -> list[DomainConfig]:
+    """
+    Return a list of DomainConfig objects based on the input variables for the Settings class.
+    """
+    # make type checkers happy
+    assert settings.ARMASEC_DOMAIN is not None
+
+    domain_configs = [
+        DomainConfig(
+            domain=settings.ARMASEC_DOMAIN,
+            use_https=settings.ARMASEC_USE_HTTPS,
+            ignore_audience=True,
+        )
+    ]
+    if all(
+        [
+            settings.ARMASEC_ADMIN_DOMAIN,
+            settings.ARMASEC_ADMIN_MATCH_KEY,
+            settings.ARMASEC_ADMIN_MATCH_VALUE,
+        ]
+    ):
+        # make type checkers happy
+        assert settings.ARMASEC_ADMIN_DOMAIN is not None
+        assert settings.ARMASEC_ADMIN_MATCH_KEY is not None
+        assert settings.ARMASEC_ADMIN_MATCH_VALUE is not None
+
+        domain_configs.append(
+            DomainConfig(
+                domain=settings.ARMASEC_ADMIN_DOMAIN,
+                use_https=settings.ARMASEC_USE_HTTPS,
+                match_keys={settings.ARMASEC_ADMIN_MATCH_KEY: settings.ARMASEC_ADMIN_MATCH_VALUE},
+                ignore_audience=True,
+            )
+        )
+    return domain_configs
+
+
 guard = Armasec(
-    domain=settings.ARMASEC_DOMAIN,
+    domain_configs=get_domain_configs(),
     debug_logger=logger.debug if settings.ARMASEC_DEBUG else None,
-    use_https=settings.ARMASEC_USE_HTTPS,
-    ignore_audience=True,
 )
 
 
@@ -95,7 +131,9 @@ def lockdown_with_identity(
     """
 
     def dependency(
-        token_payload: Annotated[TokenPayload, Depends(guard.lockdown(*scopes, permission_mode=permission_mode))],
+        token_payload: Annotated[
+            TokenPayload, Depends(guard.lockdown(*scopes, permission_mode=permission_mode))
+        ],
     ) -> IdentityPayload:
         """
         Provide an injectable function to lockdown a route and extract the identity payload.
diff --git a/jobbergate-api/tests/test_security.py b/jobbergate-api/tests/test_security.py
index 3c1d8f469..4a9bbe41d 100644
--- a/jobbergate-api/tests/test_security.py
+++ b/jobbergate-api/tests/test_security.py
@@ -2,16 +2,59 @@
 Test the security module.
 """
 
+from unittest.mock import patch
+
 import pytest
 
 from jobbergate_api.security import (
     HTTPException,
     IdentityPayload,
     TokenPayload,
+    get_domain_configs,
     lockdown_with_identity,
+    settings,
 )
 
 
+def test_get_domain_configs__loads_only_base_settings():
+    """Check if the correct domain configuration is loaded when only one domain is provided."""
+    with (
+        patch.object(settings, "ARMASEC_DOMAIN", new="foo.io"),
+    ):
+        domain_configs = get_domain_configs()
+
+    assert len(domain_configs) == 1
+    first_config = domain_configs.pop()
+    assert first_config.domain == "foo.io"
+
+
+def test_get_domain_configs__loads_admin_settings_if_all_are_present():
+    """Check if the correct domain configuration is loaded when two domains are provided."""
+    with (
+        patch.object(settings, "ARMASEC_DOMAIN", new="foo.io"),
+        patch.object(settings, "ARMASEC_ADMIN_DOMAIN", new="admin.io"),
+    ):
+        domain_configs = get_domain_configs()
+
+    assert len(domain_configs) == 1
+    first_config = domain_configs.pop()
+    assert first_config.domain == "foo.io"
+
+    with (
+        patch.object(settings, "ARMASEC_DOMAIN", new="foo.io"),
+        patch.object(settings, "ARMASEC_ADMIN_DOMAIN", new="admin.io"),
+        patch.object(settings, "ARMASEC_ADMIN_MATCH_KEY", new="foo"),
+        patch.object(settings, "ARMASEC_ADMIN_MATCH_VALUE", new="bar"),
+    ):
+        domain_configs = get_domain_configs()
+
+    assert len(domain_configs) == 2
+    (first_config, second_config) = domain_configs
+    assert first_config.domain == "foo.io"
+    assert second_config.domain == "admin.io"
+    assert second_config.match_keys == {"foo": "bar"}
+
+
 def test_lockdown_with_identity__success():
     """Check if the lockdown_with_identity decorator returns the correct identity."""
     token_raw_data = {"sub": "dummy-sub"}