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

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