diff --git a/.ci/matrix_job.yaml b/.ci/matrix_job.yaml
index b4f80e36e..fd0de268a 100644
--- a/.ci/matrix_job.yaml
+++ b/.ci/matrix_job.yaml
@@ -123,6 +123,18 @@ runs_on_dockers:
      runAsUser: '0',
      runAsGroup: '0'
     }
+  - {
+     arch: 'x86_64',
+     name: 'vg-worker-threads',
+     url: 'harbor.mellanox.com/swx-infra/media/xlio/x86_64/ubuntu22.04/vg:20250219',
+     category: 'tool',
+     annotations: [{ key: 'k8s.v1.cni.cncf.io/networks', value: 'sriov-cx6dx-p2' }],
+     limits: '{memory: 10Gi, cpu: 10000m, hugepages-2Mi: 10Gi, nvidia.com/sriov-cx6dx-p2: 1}',
+     requests: '{memory: 10Gi, cpu: 10000m, hugepages-2Mi: 10Gi, nvidia.com/sriov-cx6dx-p2: 1}',
+     caps_add: '[ IPC_LOCK, SYS_RESOURCE ]',
+     runAsUser: '0',
+     runAsGroup: '0'
+    }
   - {
       file: '.ci/dockerfiles/Dockerfile.ubuntu22.04',
       arch: 'x86_64',
@@ -139,12 +151,9 @@ runs_on_dockers:
       runAsGroup: '0'
     }
   - {
-      file: '.ci/dockerfiles/Dockerfile.ubuntu22.04',
       arch: 'x86_64',
       name: 'sockperf-worker-threads',
-      uri: 'xlio/$arch/ubuntu22.04/$name',
-      tag: '20251015',
-      build_args: '--no-cache --target test',
+      url: 'harbor.mellanox.com/swx-infra/media/xlio/x86_64/ubuntu22.04/sockperf:20251015',
       category: 'tests',
       annotations: [{ key: 'k8s.v1.cni.cncf.io/networks', value: 'sriov-cx6dx-p1' }],
       limits: '{memory: 10Gi, cpu: 10000m, hugepages-2Mi: 10Gi, nvidia.com/sriov-cx6dx-p1: 1}',
@@ -199,6 +208,7 @@ steps:
       - "{category: 'base'}"
       - "{category: 'tests'}"
       - "{name: 'vg'}"
+      - "{name: 'vg-worker-threads'}"
     agentSelector:
       - "{nodeLabel: 'skip-agent'}"
     run: |
@@ -432,7 +442,23 @@ steps:
       - "{nodeLabel: 'skip-agent'}"
     run: |
       [ "x${do_valgrind}" == "xtrue" ] && action=yes || action=no
-      env WORKSPACE=$PWD TARGET=${flags} jenkins_test_vg=${action} ./contrib/test_jenkins.sh
+      env WORKSPACE=$PWD TARGET=${flags} jenkins_test_vg=${action} WORKER_THREADS=false ./contrib/test_jenkins.sh
+    parallel: false
+    onfail: |
+      ./.ci/artifacts.sh
+    archiveArtifacts-onfail: |
+      jenkins/**/arch-*.tar.gz,
+      jenkins/**/vg/*valgrind*.log
+
+  - name: Valgrind (Worker thread mode)
+    enable: ${do_valgrind}
+    containerSelector:
+      - "{name: 'vg-worker-threads'}"
+    agentSelector:
+      - "{nodeLabel: 'skip-agent'}"
+    run: |
+      [ "x${do_valgrind}" == "xtrue" ] && action=yes || action=no
+      env WORKSPACE=$PWD TARGET=${flags} jenkins_test_vg=${action} WORKER_THREADS=true ./contrib/test_jenkins.sh
     parallel: false
     onfail: |
       ./.ci/artifacts.sh
@@ -460,6 +486,7 @@ steps:
     containerSelector:
       - "{category: 'base'}"
       - "{name: 'vg'}"
+      - "{name: 'vg-worker-threads'}"
       - "{category: 'tests'}"
     agentSelector:
       - "{nodeLabel: 'beni09'}"
diff --git a/contrib/jenkins_tests/vg.sh b/contrib/jenkins_tests/vg.sh
index af75bbe8c..9feab922e 100755
--- a/contrib/jenkins_tests/vg.sh
+++ b/contrib/jenkins_tests/vg.sh
@@ -1,5 +1,7 @@
 #!/bin/bash -eExl
 
+ulimit -n 50000
+ulimit -l unlimited
 source $(dirname $0)/globals.sh
 
 # Fix hugepages for docker environments
@@ -7,8 +9,6 @@ do_hugepages
 
 echo "Checking for valgrind ..."
 
-#do_module "tools/valgrind-3.12.0"
-
 set +eE
 
 cd $WORKSPACE
@@ -45,12 +45,25 @@ if [ "$test_ip_list" == "eth_ip4: eth_ip6:" ] || [ -z "${test_ip_list}" ]; then
 	exit 1
 fi
 
-test_list="tcp:--tcp udp:"
 test_lib=${vg_dir}/install/lib/${prj_lib}
-test_lib_env="XLIO_MEM_ALLOC_TYPE=ANON XLIO_MEMORY_LIMIT=256MB XLIO_TX_WRE=2000 XLIO_RX_WRE=2000 XLIO_STRQ=off"
+test_lib_env="XLIO_MEM_ALLOC_TYPE=ANON XLIO_TX_WRE=2000 XLIO_RX_WRE=2000 XLIO_STRQ=off LD_PRELOAD=$test_lib"
 test_app=sockperf
 test_app_path=${test_dir}/sockperf/install/bin/sockperf
 vg_tool=/bin/valgrind
+WORKER_THREADS=${WORKER_THREADS:-"false"}
+
+# Enable params based on the mode choice - given by WORKER_THREADS variable
+if [[ "$WORKER_THREADS" == "true" ]]; then
+	echo "Testing mode: Worker Threads"
+	test_list="tcp:--tcp"
+	test_lib_env="${test_lib_env} XLIO_WORKER_THREADS=1 XLIO_MEMORY_LIMIT=512MB"
+	test_params="--nonblocked"
+else
+	echo "Testing mode: R2C"
+	test_list="tcp:--tcp udp:"
+	test_lib_env="${test_lib_env} XLIO_MEMORY_LIMIT=256MB"
+	test_params=""
+fi
 
 if [ $(command -v $test_app_path >/dev/null 2>&1 || echo $?) ]; then
 	test_app_path=sockperf
@@ -92,10 +105,11 @@ for test_link in $test_ip_list; do
 			--undef-value-errors=yes --track-fds=yes --num-callers=32 \
 			--fullpath-after=${WORKSPACE} --gen-suppressions=all \
 			--suppressions=${WORKSPACE}/contrib/valgrind/valgrind_xlio.supp \
+			--fair-sched=yes \
 			"
-		eval "${sudo_cmd} $timeout_exe env $test_lib_env LD_PRELOAD=$test_lib \
+		eval "${sudo_cmd} $timeout_exe env $test_lib_env \
 			${vg_tool} --log-file=${vg_dir}/${test_name}-valgrind-sr.log $vg_args \
-			$test_app_path sr ${test_opt} -i ${test_ip} 2>&1 | tee ${vg_dir}/${test_name}-output-sr.log &"
+			$test_app_path sr ${test_opt} -i ${test_ip} ${test_params} 2>&1 | tee ${vg_dir}/${test_name}-output-sr.log &"
 
 		wait=0
 		while [ $wait -lt $sockperf_max_wait ]; do
@@ -108,9 +122,9 @@ for test_link in $test_ip_list; do
 			sleep 2
 		done
 
-		eval "${sudo_cmd} $timeout_exe_short env $test_lib_env LD_PRELOAD=$test_lib \
+		eval "${sudo_cmd} $timeout_exe_short env $test_lib_env \
 			${vg_tool} --log-file=${vg_dir}/${test_name}-valgrind-cl.log $vg_args \
-			$test_app_path pp ${test_opt} -i ${test_ip} -t 10 2>&1 | tee ${vg_dir}/${test_name}-output-cl.log"
+			$test_app_path pp ${test_opt} -i ${test_ip} -t 10 ${test_params} 2>&1 | tee ${vg_dir}/${test_name}-output-cl.log"
 
 		if [ `ps -ef | grep $test_app | wc -l` -gt 1 ];
 		then