diff --git a/.buildkite/scripts/steps/test/ftr_configs.sh b/.buildkite/scripts/steps/test/ftr_configs.sh
index 93552298a45e4..8eb8e31a3b122 100755
--- a/.buildkite/scripts/steps/test/ftr_configs.sh
+++ b/.buildkite/scripts/steps/test/ftr_configs.sh
@@ -53,7 +53,16 @@ while read -r config; do
   fi
 
   FULL_COMMAND="node scripts/functional_tests --bail --config $config $EXTRA_ARGS"
-  echo "--- $ $FULL_COMMAND"
+
+  CONFIG_EXECUTION_KEY="${config}_executed"
+  IS_CONFIG_EXECUTION=$(buildkite-agent meta-data get "$CONFIG_EXECUTION_KEY" --default "false" --log-level error)
+
+  if [[ "${IS_CONFIG_EXECUTION}" == "true" ]]; then
+    echo "--- [ already-tested ] $FULL_COMMAND"
+    continue
+  else
+    echo "--- $ $FULL_COMMAND"
+  fi
 
   start=$(date +%s)
 
@@ -80,6 +89,27 @@ while read -r config; do
   lastCode=$?
   set -e;
 
+  # Scout reporter
+  REPORT_DIR=$(ls -td .scout/reports/scout-ftr-*/ 2>/dev/null | head -n 1)
+  if [ -n "$REPORT_DIR" ]; then
+    EVENT_LOG_FILE="${REPORT_DIR}event-log.ndjson"
+    if [ -f "$EVENT_LOG_FILE" ]; then
+      # Upload events after running each config
+      echo "Upload Scout reporter events to AppEx QA's team cluster for config $config"
+      if [[ "${SCOUT_REPORTER_ENABLED:-}" == "true" ]]; then
+        node scripts/scout upload-events --dontFailOnError --eventLogPath "$EVENT_LOG_FILE"
+      else
+        echo "⚠️ The SCOUT_REPORTER_ENABLED environment variable is not 'true'. Skipping event upload."
+      fi
+    else
+      echo "❌ Could not find event log file '$EVENT_LOG_FILE' for config $config"
+      buildkite-agent annotate --style 'warning' --context 'scout-reporter' "Could not find event log file for config \`$config\`."
+    fi
+  else
+    echo "❌ Could not find any scout report directory '$REPORT_DIR'."
+    buildkite-agent annotate --style 'warning' --context 'scout-reporter' "Could not find any scout report directory \`$REPORT_DIR\`."
+  fi
+
   timeSec=$(($(date +%s)-start))
   if [[ $timeSec -gt 60 ]]; then
     min=$((timeSec/60))
@@ -93,7 +123,10 @@ while read -r config; do
     duration: ${duration}
     result: ${lastCode}")
 
-  if [ $lastCode -ne 0 ]; then
+  if [ $lastCode -eq 0 ]; then
+    # Test was successful, so mark it as executed
+    buildkite-agent meta-data set "$CONFIG_EXECUTION_KEY" "true"
+  else
     exitCode=10
     echo "FTR exited with code $lastCode"
     echo "^^^ +++"
@@ -114,7 +147,4 @@ echo "--- FTR configs complete"
 printf "%s\n" "${results[@]}"
 echo ""
 
-# Scout reporter
-source .buildkite/scripts/steps/test/scout_upload_report_events.sh
-
 exit $exitCode