OAT Quality Engineer (SC Cleared)

About the role

We are seeking an SC‑cleared Operational Acceptance Testing (OAT) Quality Engineer to support the delivery of critical services and applications into live production environments. The role focuses on validating operational readiness, resilience, disaster recovery and service supportability across cloud‑hosted solutions.

Key responsibilities

• Design and execute OAT activities across applications and services.
• Validate operational readiness prior to production releases and deployments.
• Assess availability, resilience, disaster recovery and service recoverability capabilities.
• Test operational processes including incident, problem and change management readiness.
• Verify backup, restore, deployment, patching and infrastructure connectivity processes.
• Evaluate monitoring, alerting and observability solutions.
• Analyse system logs and performance data to identify operational risks.
• Support release activities and ensure acceptance criteria are met.
• Collaborate with development, infrastructure and operations teams to resolve supportability risks.
• Contribute to testing of AWS‑hosted applications and cloud‑based services.

Required profile

• Current SC Clearance.
• Proven experience delivering OAT within enterprise environments.
• Strong experience testing availability, resilience and disaster recovery capabilities.
• Experience validating operational processes and service management practices.
• Knowledge of backup/restore, deployment, patching and infrastructure connectivity.
• Experience testing cloud‑hosted applications, preferably AWS.
• Understanding of operational readiness, service transition and production supportability.
• Background in IT Operations, Service Management or mission‑critical production environments.
• Analytical and problem‑solving skills with ability to mitigate operational risks.
• Exposure to Chaos Engineering and/or DevOps practices is advantageous.

Required skills

• Operational Acceptance Testing
• AWS
• Splunk
• Dynatrace
• New Relic
• ELK
• Backup and restore
• Deployment and patching
• Infrastructure connectivity
• Monitoring and observability
• Log analysis
• Chaos Engineering
• DevOps