Senior Network Test Engineer - SD-WAN & Infra (Contract)

Syncarp; Greater London; On-site; GBP 90,000 - 120,000; Full time

Job summary

Syncarp in London is seeking a Senior Network Test Engineer with SD-WAN & Network Infrastructure expertise for a 6-12 month fixed-term contract. You will test SD-WAN, LAN/WAN, data centre, routing, switching, and network protocols, ensuring performance and reliability.

Responsibilities include designing end-to-end tests, creating test plans and evidence, performing SIT, functional and non-functional tests, managing defects, and mentoring junior testers.

Qualifications

• 5+ years of hands-on telecom/network infrastructure testing experience.
• Strong experience testing enterprise or telecom network infrastructure.
• Hands-on experience with SD-WAN, routing, switching and network connectivity testing.
• Experience testing network protocols including TCP/IP, DHCP, DNS and NAT.
• Experience with routing protocols such as BGP and OSPF.
• Experience using network testing/performance tools such as iPerf, Spirent, IxNetwork/Ixia or similar.
• Experience performing network performance testing and RFC 2544 testing.
• Ability to create and execute test cases from HLD, LLD and Test Plans.
• Strong experience in defect management, root cause analysis and retesting.
• Experience with ALM or equivalent test management tools.

Responsibilities

• Design, develop, execute and manage end-to-end testing for telecom and network infrastructure projects.
• Create and review test cases, test scripts, test plans and execution evidence.
• Perform SIT, Functional, Non-Functional, DR and OAT testing.
• Execute network and connectivity testing across SD-WAN, LAN/WAN, Wi-Fi and Data Centre environments.
• Validate routers, switches, firewalls and network infrastructure components.
• Perform testing and troubleshooting of TCP/IP, DHCP, DNS and NAT.
• Validate routing and switching technologies, including BGP and OSPF.
• Perform SD-WAN validation, connectivity testing and troubleshooting.
• Conduct network performance testing, including throughput, latency, jitter and packet-loss validation.
• Use network performance and traffic-generation tools such as iPerf, Spirent, IxNetwork/Ixia or similar tools.
• Perform RFC 2544 testing and network performance benchmarking.
• Test SIP/VoIP and Unified Communications connectivity where required.
• Support Data Centre, Cloud and network infrastructure testing.
• Manage the full defect lifecycle, including defect logging, root cause analysis, retesting and closure.
• Work from HLD, LLD, Test Plans and technical requirements.
• Maintain requirements traceability, ALM and test reporting.
• Prepare and maintain test environments and network test labs.
• Mentor junior testers and collaborate with network architects, engineers and cross-functional stakeholders.

Skills

Telecom testing

SD-WAN testing

TCP/IP testing

RFC 2544

SIT testing

Defect management

Test planning

Mentoring

Education

Bachelor's in Networking

Tools

iPerf

Spirent

IxNetwork/Ixia

Job description

Syncarp in London is seeking a Senior Network Test Engineer with SD-WAN & Network Infrastructure expertise for a 6-12 month fixed-term contract. You will test SD-WAN, LAN/WAN, data centre, routing, switching, and network protocols, ensuring performance and reliability.

Responsibilities include designing end-to-end tests, creating test plans and evidence, performing SIT, functional and non-functional tests, managing defects, and mentoring junior testers.