Test Engineer (Automation)

Test Engineer – 6 Month Contract | Swindon / Hybrid

We’re looking for an experienced Test Engineer to join a major technology programme, providing hands-on test automation, network validation and service assurance across complex deployment and migration activities.

3 days per week onsite taking ownership of automated testing and validation throughout the change lifecycle, helping ensure deployments are secure, stable and ready to progress into production.

Key responsibilities include:

Designing, developing and maintaining automated test frameworks and scripts, integrated into CI/CD pipelines.

Performing pre-change and post-change validation across deployment and migration activities

Acting as a pipeline gatekeeper, ensuring deployments only progress when defined validation criteria are met

Developing and maintaining pyATS-based validation suites to verify network state, configuration and behaviour

Conducting penetration testing and vulnerability assessments ahead of go-live

Supporting Root Cause Analysis (RCA) across network, platform, performance and functional issues

Producing structured test reports and evidence packs for audit, regulatory and change-governance requirements

Working closely with automation, platform, network and security engineering teams to provide end-to-end service assurance

Participating in migration windows and change bridges, providing live validation and monitoring during deployments

Required Skills:

This is a hands-on test engineering position, so we’re particularly interested in candidates with strong experience across:

Test automation and validation engineering

pyATS and network validation/testing

CI/CD pipelines and pipeline-integrated assurance

Pre- and post-change testing

ThousandEyes or similar service/performance monitoring platforms

Network and platform troubleshooting / RCA

Security testing, penetration testing and vulnerability assessment

Testing within controlled, regulated or compliance-focused environments