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TEST ENGINEER
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TEST ENGINEER — TESTING SERVICES
Telecom and Network Infrastructure Testing
Locations: London (Speechmark), Newbury, Birmingham (Small Heath), Manchester or Glasgow
Working pattern: Hybrid, with occasional customer site visits
Start date: Immediate
Experience: Minimum 5 years of relevant testing experience
Role Overview
We are looking for an experienced Test Engineer with a strong background in telecom and network infrastructure testing. The role involves preparing and executing tests for routers, switches, firewalls and wider telecom services, while working closely with test, design, delivery and engineering teams.
Location and Travel
- Candidates should be based within a reasonable commuting distance of one of the listed UK locations.
- The role is hybrid and requires attendance at the relevant telecom office when needed.
- Occasional customer site visits may be required, including travel to a customer lab in Spain where applicable.
- Some attendance at Newbury HQ will be required to work with the wider telecom team.
Key Responsibilities
- Create test scripts using Test Plans, High-Level Designs (HLDs) and Low-Level Designs (LLDs).
- Test network infrastructure, including routers, switches and firewalls.
- Execute tests across hosting, Data Centre, LAN/WiFi, SD-WAN, fixed connectivity, mobility, telephony, Unified Communications, cloud, IoT and security services.
- Support Unit, System Integration, Functional, Non-Functional, Disaster Recovery and Operational Acceptance testing.
- Create and manage test cases in ALM and link them to business or technical requirements.
- Collect clear test evidence for project approval, milestone sign-off and audit requirements.
- Record test progress, results and defects in ALM and other approved tools.
- Raise, track and retest defects, working with delivery, design and engineering teams until closure.
- Set up and use network test equipment, including RFC 2544 throughput, latency and frame-loss testing where required.
- Handle fibre-optic cabling and follow Data Centre procedures during physical-layer testing.
- Use StableNet or similar network/service management tools to validate service performance and behaviour.
- Prepare test environments and complete smoke tests and readiness checks before formal testing begins.
- Provide clear updates for test reports, project meetings and defect-triage calls.
- Escalate blockers to the Test Manager on the same working day.
- Follow all security, data-handling and audit requirements.
- Support reusable test assets, basic automation and AI-assisted test design where appropriate.
- Assist with knowledge transfer and onboarding of new team members.
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Mandatory Skills and Experience
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- At least 5 years of relevant testing experience.
- Hands-on telecom or network infrastructure testing experience.
- Working knowledge of Cisco switch and router console commands.
- Ability to understand HLD and LLD documents and convert them into test scenarios.
- Experience using ALM for test cases, requirements traceability, defect management and reporting.
- Strong Microsoft Office skills, with good Excel knowledge; experience with Teams and SharePoint.
- Good stakeholder communication, time management and documentation skills.
Desirable Skills
- RFC 2544 testing and network test-equipment setup.
- StableNet or a similar network/service management tool.
- Experience in Critical National Infrastructure (CNI) or other critical environments, such as National Grid.
- Exposure to SD-WAN, cloud, security or Unified Communications testing.
- Test automation awareness and experience creating reusable test assets.
Certifications
- ISTQB Foundation certification is preferred.
- A relevant network certification, such as CCNA, is desirable.
How to Apply
Please share your updated CV with details of your relevant telecom/network testing experience, current location, availability and willingness to travel.
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