Job Title: Manual Test Engineer – Network Testing (SD-WAN) Location: Wokingham OR Warwick (Onsite) Contract Type: Contract (6 months) Rate: £415 per day (Inside IR35) Clearance: SC eligible (required) Overview We are supporting a major global technology organisation on a large-scale enterprise network transformation programme. We are seeking experienced Manual Test Engineers with strong network testing expertise to validate complex SD-WAN and enterprise network environments. This role is fully onsite, with positions available in Wokingham and Warwick. Key Responsibilities SD-WAN Testing * Validate overlay/underlay connectivity and SD-WAN policies * Test application-aware routing, traffic steering, and SLA performance * Verify routing protocols (BGP/OSPF) between SD-WAN and core networks * Execute failover/failback and resilience testing scenarios * Validate segmentation (VRFs), zoning, and security policies Enterprise Network Testing * Perform LAN/WAN validation (DHCP, DNS, NAT, ACLs, QoS) * Test Wi-Fi networks (802.1X, RADIUS, roaming, RF performance) * Validate VPN connectivity (site-to-site & remote access) * Measure network performance (latency, jitter, throughput, packet loss) * Analyse packet captures and logs for troubleshooting Test Management * Create and execute test plans, cases, and traceability matrices * Perform functional, regression, and in...