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# Senior Test Engineer- Network testing

- **Company:** Descriptionwe
- **Location:** London, UK
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Software Bug Management, Cloud Computing, Data Centers, Local Area Networks, Microsoft Office, Network Architecture, E2e Testing, Requirements Traceability, Wide Area Networks, Wi-Fi Technology, Network Routers, Computer Networking Systems, Firewalls (Computer Science), Cisco
- **Published:** August 19, 2026
- **Apply:** https://www.apply4u.co.uk/jobs/x/44464618/

## About the Role

Senior Test Engineer - Network TestingClearance: SC Cleared / Non-SCExperience: 5+ Years
Key Responsibilities Design, execute, and manage end-to-end testing for telecom/network infrastructure projects. Develop and review test cases, scripts, and execution evidence. Perform SIT, Functional, Non-Functional, DR, and OAT testing. Manage defect lifecycle, root cause analysis, and retesting. Work across routers, switches, firewalls, SD-WAN, LAN/Wi-Fi, Data Centre, Cloud, Security, UC, and Mobility. Mentor junior testers and collaborate with cross-functional stakeholders. Maintain ALM, requirements traceability, and test reporting.Required Skills 5+ years in telecom/network testing. Strong experience with ALM, defect management, and test design. Knowledge of Cisco networking, RFC 2544, and infrastructure testing. ISTQB preferred; CCNA/CCNP or equivalent desirable.
Test Engineer - Network TestingClearance: SC Cleared / Non-SCExperience: 5+ Years
Key Responsibilities Create and execute test cases from HLD/LLD and Test Plans. Perform network infrastructure testing across routers, switches, firewalls, SD-WAN, LAN/Wi-Fi, Cloud, and Data Centre environments. Support SIT, Functional, Non-Functional, DR, and OAT testing. Manage defects, maintain ALM, and ensure requirements traceability. Prepare test environments, execute RFC 2544 testing, and produce test reports.Required Skills 5+ years of telecom/network testing experience. Cisco router/switch knowledge and HLD/LLD interpretation. Experience with ALM, defect management, and Microsoft Office. ISTQB/CCNA preferred.



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