diff --git a/agent/agent_post_install_validation.sh b/agent/agent_post_install_validation.sh
index c0b9af3ea..54a176c90 100755
--- a/agent/agent_post_install_validation.sh
+++ b/agent/agent_post_install_validation.sh
@@ -4,6 +4,78 @@ set -euxo pipefail
 SCRIPTDIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )/.." && pwd )"
 
 source $SCRIPTDIR/common.sh
+source $SCRIPTDIR/release_info.sh
+
+function validate_installed_operators() {
+    echo "Validating installed operators..."
+
+    # Define expected operators per version
+    expected_operators_4_20=(
+        "cluster-kube-descheduler-operator"
+        "fence-agents-remediation"
+        "kubernetes-nmstate-operator"
+        "kubevirt-hyperconverged"
+        "mtv-operator"
+        "node-healthcheck-operator"
+        "node-maintenance-operator"
+    )
+
+    expected_operators_4_21=(
+        "cluster-kube-descheduler-operator"
+        "cluster-observability-operator"
+        "fence-agents-remediation"
+        "kubernetes-nmstate-operator"
+        "kubevirt-hyperconverged"
+        "local-storage-operator"
+        "metallb-operator"
+        "mtv-operator"
+        "node-healthcheck-operator"
+        "node-maintenance-operator"
+        "numaresources-operator"
+        "redhat-oadp-operator"
+    )
+
+    # Determine OCP version and select appropriate operator list
+    ocp_version=$(openshift_version ${OCP_DIR})
+    echo "Detected OpenShift version: ${ocp_version}"
+
+    case "${ocp_version}" in
+        "4.20")
+            expected_operators=("${expected_operators_4_20[@]}")
+            ;;
+        "4.21")
+            expected_operators=("${expected_operators_4_21[@]}")
+            ;;
+        *)
+            echo "Using 4.21 operator list as default"
+            expected_operators=("${expected_operators_4_21[@]}")
+            ;;
+    esac
+
+    # Get list of installed operators (just the names, first column)
+    installed_operators=$(oc get operators -o custom-columns=NAME:.metadata.name --no-headers)
+
+    missing_operators=()
+    for expected_op in "${expected_operators[@]}"; do
+        if ! echo "$installed_operators" | grep -q "^${expected_op}\."; then
+            missing_operators+=("$expected_op")
+        fi
+    done
+
+    if [ ${#missing_operators[@]} -gt 0 ]; then
+        echo "ERROR: The following expected operators are not installed:"
+        for missing_op in "${missing_operators[@]}"; do
+            echo "  - $missing_op"
+        done
+        echo ""
+        echo "Installed operators:"
+        oc get operators
+        exit 1
+    else
+        echo "SUCCESS: All expected operators are installed."
+        oc get operators
+    fi
+}
 
 if [[ "${AGENT_E2E_TEST_BOOT_MODE}" == "ISO_NO_REGISTRY" ]]; then
     MAX_ATTEMPTS=120
@@ -29,6 +101,9 @@ if [[ "${AGENT_E2E_TEST_BOOT_MODE}" == "ISO_NO_REGISTRY" ]]; then
     echo "SUCCESS: API server connection established and ClusterVersion is available."
     # Run subsequent commands after successful cluster setup
     oc get packagemanifests -n openshift-marketplace
+
+    # Validate expected operators are installed
+    validate_installed_operators
 fi
 
 installed_control_plane_nodes=$(oc get nodes --selector=node-role.kubernetes.io/master | grep -v AGE | wc -l)