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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