diff --git a/.github/scripts/monitor_slurm_job.sh b/.github/scripts/monitor_slurm_job.sh
index 057cd54cad..83d40570e8 100755
--- a/.github/scripts/monitor_slurm_job.sh
+++ b/.github/scripts/monitor_slurm_job.sh
@@ -97,7 +97,7 @@ is_terminal_state() {
 
 # Optionally bound how long a job may sit un-started in the queue. On the
 # preemptible Phoenix 'embers' QOS a job routinely stays PENDING for hours and
-# needs most of the job-level `timeout-minutes` (480m) window to backfill onto a
+# needs most of the job-level `timeout-minutes` (1380m) window to backfill onto a
 # free node; that job timeout is the real backstop. Default to 0 (wait
 # indefinitely, up to the job timeout) so ordinary queue pressure does not turn
 # otherwise-healthy jobs into red CI. Set SLURM_MAX_QUEUE_SECONDS>0 to opt into
diff --git a/.github/scripts/run_parallel_benchmarks.sh b/.github/scripts/run_parallel_benchmarks.sh
index 2f262692d6..e2565d2983 100755
--- a/.github/scripts/run_parallel_benchmarks.sh
+++ b/.github/scripts/run_parallel_benchmarks.sh
@@ -86,7 +86,7 @@ else
     # On Phoenix 'embers' a long benchmark job can be preempted (PreemptMode=CANCEL,
     # so it is killed rather than requeued). On preemption (run_monitored exit 76)
     # resubmit a fresh job in the same tree and re-monitor, bounded by
-    # MAX_PREEMPT_RESUBMITS (the 480m job timeout is the real backstop). Note: a
+    # MAX_PREEMPT_RESUBMITS (the 1380m job timeout is the real backstop). Note: a
     # resubmitted job no longer overlaps its counterpart, slightly reducing
     # same-load fairness -- still preferable to failing the run on an infra preempt.
     : "${MAX_PREEMPT_RESUBMITS:=10}"
diff --git a/.github/scripts/submit-slurm-job.sh b/.github/scripts/submit-slurm-job.sh
index fca1ff8a09..1db3bb5306 100755
--- a/.github/scripts/submit-slurm-job.sh
+++ b/.github/scripts/submit-slurm-job.sh
@@ -266,7 +266,7 @@ EOT
 # preempted job is killed outright and `--requeue` never restarts it. When the
 # monitor reports preemption (exit 76), submit a fresh job and monitor again.
 # Bounded by MAX_PREEMPT_RESUBMITS as a runaway guard; the job-level
-# `timeout-minutes` (480m) remains the real backstop.
+# `timeout-minutes` (1380m) remains the real backstop.
 : "${MAX_PREEMPT_RESUBMITS:=10}"
 # Node faults get a much tighter bound than preemption: preemption is routine on
 # 'embers' and says nothing about the node, whereas hitting a second unusable
diff --git a/.github/workflows/bench.yml b/.github/workflows/bench.yml
index 235228c925..649b32684b 100644
--- a/.github/workflows/bench.yml
+++ b/.github/workflows/bench.yml
@@ -103,7 +103,8 @@ jobs:
     runs-on:
       group: ${{ matrix.group }}
       labels: ${{ matrix.labels }}
-    timeout-minutes: 480
+    # Includes SLURM queue wait (Phoenix embers is priority 0, often hours). Kept under 24h, when GITHUB_TOKEN expires.
+    timeout-minutes: 1380
     steps:
       - name: Clean stale output files
         run: rm -f *.out
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 1119bed64b..89645bf3d1 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -377,7 +377,8 @@ jobs:
     # cpe/25.03 introduced an IPA SIGSEGV in CCE 19.0.0). Allow Frontier to
     # fail without blocking PR merges; Phoenix remains a hard gate.
     continue-on-error: ${{ matrix.runner == 'frontier' }}
-    timeout-minutes: 480
+    # Includes SLURM queue wait (Phoenix embers is priority 0, often hours). Kept under 24h, when GITHUB_TOKEN expires.
+    timeout-minutes: 1380
     strategy:
       matrix:
         include:
@@ -555,7 +556,8 @@ jobs:
     needs: [lint-gate, file-changes]
     # Frontier is non-blocking for the same reason as the self job above.
     continue-on-error: ${{ matrix.runner == 'frontier' }}
-    timeout-minutes: 480
+    # Includes SLURM queue wait (Phoenix embers is priority 0, often hours). Kept under 24h, when GITHUB_TOKEN expires.
+    timeout-minutes: 1380
     strategy:
       matrix:
         include: