diff --git a/dataworkspace/dataworkspace/apps/accounts/utils.py b/dataworkspace/dataworkspace/apps/accounts/utils.py
index 7f51ae0ca0..1f17a1f055 100644
--- a/dataworkspace/dataworkspace/apps/accounts/utils.py
+++ b/dataworkspace/dataworkspace/apps/accounts/utils.py
@@ -6,6 +6,7 @@
     BACKEND_SESSION_KEY,
     HASH_SESSION_KEY,
     authenticate,
+    get_user_model,
 )
 from django.conf import settings
 from django.contrib.sessions.backends.base import CreateError
@@ -92,3 +93,13 @@ def _process_user_access_profile(user, access_profile_name, func):
     except Exception as e:
         logger.exception(e)
         raise SSOApiException from None
+
+
+def get_user_by_sso_id(sso_id):
+    user_model = get_user_model()
+    # Attempt to find a user with the given SSO ID as username
+    try:
+        return user_model.objects.get(username=sso_id)
+    except user_model.DoesNotExist:
+        # If username doesn't exist fall back to profile sso id.
+        return user_model.objects.get(profile__sso_id=sso_id)
diff --git a/dataworkspace/dataworkspace/apps/api_v1/core/views.py b/dataworkspace/dataworkspace/apps/api_v1/core/views.py
index ac51a8fdaf..9df2e83de9 100644
--- a/dataworkspace/dataworkspace/apps/api_v1/core/views.py
+++ b/dataworkspace/dataworkspace/apps/api_v1/core/views.py
@@ -2,13 +2,13 @@
 from urllib.parse import urlparse
 
 from django.conf import settings
-from django.contrib.auth import get_user_model
 from django.contrib.contenttypes.models import ContentType
 from django.core.cache import cache
 from django.http import HttpResponse, JsonResponse
 from rest_framework import viewsets
 from rest_framework.pagination import PageNumberPagination
 
+from dataworkspace.apps.accounts.utils import get_user_by_sso_id
 from dataworkspace.apps.api_v1.core.serializers import (
     UserSatisfactionSurveySerializer,
     NewsletterSubscriptionSerializer,
@@ -62,9 +62,7 @@ def get_superset_credentials(request):
     )
     response = cache.get(cache_key, None)
     if not response:
-        dw_user = get_user_model().objects.get(
-            profile__sso_id=request.headers["sso-profile-user-id"]
-        )
+        dw_user = get_user_by_sso_id(request.headers["sso-profile-user-id"])
         if not dw_user.user_permissions.filter(
             codename="start_all_applications",
             content_type=ContentType.objects.get_for_model(ApplicationInstance),
@@ -131,7 +129,7 @@ def invalidate_superset_user_cached_credentials():
 
 
 def generate_mlflow_jwt(request):
-    user = get_user_model().objects.get(profile__sso_id=request.headers["sso-profile-user-id"])
+    user = get_user_by_sso_id(request.headers["sso-profile-user-id"])
     authorised_hosts = list(
         user.authorised_mlflow_instances.all().values_list("instance__hostname", flat=True)
     )
diff --git a/dataworkspace/dataworkspace/apps/applications/utils.py b/dataworkspace/dataworkspace/apps/applications/utils.py
index 1dc6d0b26a..5421674b48 100644
--- a/dataworkspace/dataworkspace/apps/applications/utils.py
+++ b/dataworkspace/dataworkspace/apps/applications/utils.py
@@ -27,6 +27,7 @@
 import redis
 
 from dataworkspace.apps.accounts.models import Profile
+from dataworkspace.apps.accounts.utils import get_user_by_sso_id
 from dataworkspace.apps.applications.spawner import (
     get_spawner,
     stop,
@@ -864,7 +865,7 @@ def sync_quicksight_users(data_client, user_client, account_id, quicksight_user_
 
                     raise e
 
-                dw_user = get_user_model().objects.get(profile__sso_id=sso_id)
+                dw_user = get_user_by_sso_id(sso_id)
                 if not dw_user:
                     logger.error(
                         "Skipping %s - cannot match with Data Workspace user.",
@@ -1004,8 +1005,7 @@ def create_user_from_sso(
 ):
     user_model = get_user_model()
     try:
-        # Attempt to find a user with the given SSO ID
-        user = user_model.objects.get(Q(username=sso_id) | Q(profile__sso_id=sso_id))
+        user = get_user_by_sso_id(sso_id)
     except user_model.DoesNotExist:
         # If the user doesn't exist we will have to create it
         user = user_model.objects.create(
@@ -1018,7 +1018,7 @@ def create_user_from_sso(
             user.save()
         except IntegrityError:
             # A concurrent request may have overtaken this one and created a user
-            user = user_model.objects.get(Q(username=sso_id) | Q(profile__sso_id=sso_id))
+            user = get_user_by_sso_id(sso_id)
 
         _check_tools_access(user)
     else:
@@ -1111,9 +1111,7 @@ def _do_create_tools_access_iam_role(user_id):
 @close_all_connections_if_not_in_atomic_block
 def sync_activity_stream_sso_users():
     try:
-        with cache.lock(
-            "activity_stream_sync_last_published_lock", blocking_timeout=0, timeout=1800
-        ):
+        with cache.lock("sso_sync_last_published_lock", blocking_timeout=0, timeout=1800):
             _do_sync_activity_stream_sso_users()
     except redis.exceptions.LockError:
         logger.info("Unable to acquire lock to sync activity stream sso users")
@@ -1736,7 +1734,7 @@ def duplicate_tools_monitor():
 @celery_app.task()
 @close_all_connections_if_not_in_atomic_block
 def sync_all_sso_users():
-    with cache.lock("activity_stream_sync_last_published_lock", blocking_timeout=0, timeout=3600):
+    with cache.lock("sso_sync_last_published_lock", blocking_timeout=0, timeout=3600):
         user_model = get_user_model()
         all_users = user_model.objects.all()
         seen_user_ids = []