Remote OAT Engineer: Cloud Readiness & DR

SR2 REC LTD; Greater London; Remote; GBP 46,000 - 65,000; Full time

Job summary

SR2 is seeking an experienced Operational Acceptance Tester to support a large-scale digital programme. You will lead OAT across cloud infrastructure, validating operational requirements and recovery procedures to ensure readiness for production.

Working with DevOps, infrastructure and release teams, you will test resilience, monitoring and documentation, identify defects, and guide release decisions. Applicants must be British citizens with at least five years of UK residency and security

Qualifications

• Proven experience delivering Operational Acceptance Testing for complex technology services.
• Strong understanding of monitoring, backup and recovery, release management and operational procedures.
• Experience with AWS and/or Azure, infrastructure monitoring and IT service management.
• Familiarity with CI/CD pipelines, Jenkins and test automation frameworks.
• Working knowledge of Linux, databases and network protocols.
• Understanding of security testing, including OWASP Top 10.
• Experience working within Agile and DevOps teams, with strong communication and stakeholder management skills.
• Eligibility for security clearance. British citizens with at least five years' continuous UK residency.

Responsibilities

• Develop OAT strategies, test plans and acceptance criteria covering operational readiness and non-functional requirements.
• Test resilience, failover, backup, restoration and disaster recovery capabilities within cloud environments.
• Validate monitoring, alerting, logging, configuration management and operational support documentation.
• Work with DevOps, infrastructure and release teams to support the transition of services into production.
• Identify and manage defects, communicating risks and working with technical teams to resolve issues.
• Report on test progress and outcomes, providing guidance to other testers and supporting release decisions.

Skills

OAT testing

AWS/Azure

CI/CD pipelines

Test automation frameworks

Linux

Databases

Networking

Security testing (OWASP Top 10)

Communication & stakeholder management

Security clearance eligibility

Tools

Jenkins

Kubernetes

Docker

Load testing tools (JMeter/LoadRunner)

Job description

SR2 is seeking an experienced Operational Acceptance Tester to support a large-scale digital programme. You will lead OAT across cloud infrastructure, validating operational requirements and recovery procedures to ensure readiness for production.

Working with DevOps, infrastructure and release teams, you will test resilience, monitoring and documentation, identify defects, and guide release decisions. Applicants must be British citizens with at least five years of UK residency and security