diff --git a/src/api-service/__app__/timer_workers/__init__.py b/src/api-service/__app__/timer_workers/__init__.py
index 5f30cbf1a..81e49a567 100644
--- a/src/api-service/__app__/timer_workers/__init__.py
+++ b/src/api-service/__app__/timer_workers/__init__.py
@@ -28,6 +28,17 @@ def process_scaleset(scaleset: Scaleset) -> None:
 
 
 def main(mytimer: func.TimerRequest, dashboard: func.Out[str]) -> None:  # noqa: F841
+    # NOTE: Update pools first, such that scalesets impacted by pool updates
+    # (such as shutdown or resize) happen during this iteration `timer_worker`
+    # rather than the following iteration.
+    pools = Pool.search()
+    for pool in pools:
+        if pool.state in PoolState.needs_work():
+            logging.info("update pool: %s (%s)", pool.pool_id, pool.name)
+            process_state_updates(pool)
+        elif pool.state in PoolState.available() and pool.autoscale:
+            autoscale_pool(pool)
+
     Node.mark_outdated_nodes()
     nodes = Node.search_states(states=NodeState.needs_work())
     for node in nodes:
@@ -38,14 +49,6 @@ def main(mytimer: func.TimerRequest, dashboard: func.Out[str]) -> None:  # noqa:
     for scaleset in scalesets:
         process_scaleset(scaleset)
 
-    pools = Pool.search()
-    for pool in pools:
-        if pool.state in PoolState.needs_work():
-            logging.info("update pool: %s (%s)", pool.pool_id, pool.name)
-            process_state_updates(pool)
-        elif pool.state in PoolState.available() and pool.autoscale:
-            autoscale_pool(pool)
-
     events = get_events()
     if events:
         dashboard.set(events)