diff --git a/src/Queue/AWSSQS/SqsQueueManager.php b/src/Queue/AWSSQS/SqsQueueManager.php
index 7837903..fdb550e 100644
--- a/src/Queue/AWSSQS/SqsQueueManager.php
+++ b/src/Queue/AWSSQS/SqsQueueManager.php
@@ -256,11 +256,11 @@ public function pushDelayedWithMilliseconds(JobInterface $job, int $delayInMilli
      *                               implementation of automated tests & synthetic monitoring of delayed job
      *                               scheduler on live environments while maintaining quick feedback loop.
      */
-    public function pushDelayed(JobInterface $job, int $delayInSeconds, int $maxDelayInSeconds = self::MAX_DELAY_IN_SECONDS): void
+    public function pushDelayed(JobInterface $job, int $delayInSeconds, ?int $maxDelayInSeconds = self::MAX_DELAY_IN_SECONDS): void
     {
         assert(
-            $maxDelayInSeconds >= 0,
-            'Argument $maxDelayInSeconds must be greater or equal to 0',
+            $maxDelayInSeconds === null || $maxDelayInSeconds >= 0,
+            'If argument $maxDelayInSeconds is specified, it must be greater or equal to 0',
         );
 
         $prefixedQueueName = $this->getPrefixedQueueName($job->getJobDefinition()->getQueueName());
@@ -272,6 +272,12 @@ public function pushDelayed(JobInterface $job, int $delayInSeconds, int $maxDela
 
         $finalDelayInSeconds = $delayInSeconds;
 
+        if ($maxDelayInSeconds === null) {
+            $this->planExecutionUsingSqsDeliveryDelay($job, $prefixedQueueName, $delayInSeconds, $finalDelayInSeconds);
+
+            return;
+        }
+
         if ($delayInSeconds > $maxDelayInSeconds) {
             if ($this->delayedJobScheduler !== null) {
                 $this->scheduleJob($job, $prefixedQueueName, $executionPlannedAt, $delayInSeconds, $maxDelayInSeconds);
diff --git a/src/Queue/QueueManagerInterface.php b/src/Queue/QueueManagerInterface.php
index 62c6212..6fae042 100644
--- a/src/Queue/QueueManagerInterface.php
+++ b/src/Queue/QueueManagerInterface.php
@@ -21,7 +21,7 @@ public function push(JobInterface $job): void;
      *                               implementation of automated tests & synthetic monitoring of delayed job
      *                               scheduler on live environments while maintaining quick feedback loop.
      */
-    public function pushDelayed(JobInterface $job, int $delayInSeconds, int $maxDelayInSeconds): void;
+    public function pushDelayed(JobInterface $job, int $delayInSeconds, ?int $maxDelayInSeconds = null): void;
 
 
     public function pushDelayedWithMilliseconds(JobInterface $job, int $delayInMilliseconds): void;