Manual Test Engineer – Network Testing (SD-WAN)

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 integration testing
• Log and track defects with clear supporting evidence
• Produce status reports and Go/No-Go recommendations
• Governance & Security
• Ensure compliance with secure environments and SC standards
• Support CAB processes and change validation

Required Skills & Experience

• 3–7 years in manual testing with network focus
• Strong SD-WAN experience (Cisco, Fortinet, Aruba, Prisma, Silver Peak)
• Solid networking knowledge (TCP/IP, VLANs, routing, NAT, QoS)
• Experience with Wi-Fi, VPNs, and network segmentation
• Hands-on with tools like Wireshark, tcpdump, traceroute
• Familiarity with JIRA, Azure DevOps, or ALM

Clearance Requirements

Candidates must be eligible for SC Clearance, typically requiring:

• 5 years continuous UK residency
• Clean criminal and financial record

Additional Information

Fully onsite role

One position in Wokingham, one in Warwick

Immediate start preferred