Salary: £48,000 - 54,000 per year Requirements: 3 to 7 years of experience in manual testing with strong exposure to network and file system testing Solid understanding of TCP/IP, DHCP, DNS, NAT, VLANs, routing, and ACLs Hands-on experience with SMB/NFS, NTFS permissions, and EFS Experience with wireless testing, including SSID configuration, security protocols, and roaming Familiarity with tools such as Wireshark, tcpdump, ping, and traceroute Experience with Jira, Azure DevOps, or ALM Strong analytical, troubleshooting, and documentation skills Must be eligible for UK Security Clearance (SC) Active SC clearance is desirable but not essential Responsibilities: Perform end-to-end LAN testing, including VLANs, IP addressing, DHCP, DNS, routing, and ACLs Validate QoS, firewall rules, and application connectivity Test redundancy and failover scenarios such as LAG, spanning tree, and high availability Measure and analyse network performance including latency, jitter, throughput, and packet loss Execute pre- and post-change validation and produce supporting test evidence Validate file share availability, permissions, and access controls (NTFS/ACLs, POSIX) Test Encrypted File System (EFS), including encryption, certificate handling, and recovery scenarios Validate SMB/NFS access, file locking, concurrency, and file integrity Perform backup and restore testing, including encrypted data scenarios Validate mounting of network shares across Windows, Linux, and macOS Test wireless access including SSID availability, WPA2/WPA3, and 802.1X authentication Assess roaming, access point performance, and device behaviour Validate differences between guest and corporate network access Create and execute test plans, test cases, and test data Perform functional, regression, smoke, and integration testing Log defects with clear reproduction steps and evidence Participate in UAT and Go/No-Go decisions Ensure compliance with ITIL and change management processes Technologies: Azure DevOps Firewall ITIL JIRA LAN Linux macOS NAT Network NFS Security SMB TCP/IP Windows Cloud More: We are seeking experienced Manual Test Engineers to join our team in Wokingham and Warwick. In this contract role, you will be part of a large enterprise environment where you will ensure secure, reliable, and high-performing network and file system operations. You will collaborate closely with our infrastructure, security, and end-user computing teams. At our company, we value expertise and commitment, and we offer a dynamic work environment. The day rate for this position is £415 per day, and the roles are office-based. last updated 13 week of 2026