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About the Role

Leidos is seeking a Test Automation Engineer to support the delivery of secure, reliable technical solutions through manual testing, Python-based test automation, AWS, and database expertise. The role requires a seasoned technical individual contributor proficient in testing principles, capable of working independently on complex problems.

Responsibilities

Define, develop, execute, and maintain manual and automated test approaches across functional, integration, system, and regression testing.
Design and implement scalable Python test automation frameworks, reusable libraries, and supporting utilities.
Test AWS-hosted services and applications, including interfaces, data flows, permissions, logging, and operational behavior.
Plan and perform security testing against applicable CIS Security Controls and Safeguards.
Assess security controls across AWS, applications, databases, and supporting infrastructure.
Document security test plans, control-to-test traceability, findings, evidence, residual risks, and remediation recommendations.
Validate relational and/or non-relational databases through data interrogation, reconciliation, integrity checks, and backend testing.
Analyze requirements, designs, and acceptance criteria to determine test coverage, traceability, and risk-based priorities.
Investigate failures, identify root causes, record defects, and collaborate with engineering teams through resolution and retest.
Produce clear test plans, test cases, automation assets, evidence, results, and completion reports.
Support estimation, planning, technical reviews, and continuous improvement of test practices, tooling, and quality controls.
Provide technical guidance, coaching, and constructive review to less experienced technical staff.
Communicate technical findings, risks, and recommendations to internal stakeholders, project leaders, and client team members.

Requirements

Strong practical experience of manual testing, including test analysis, design, execution, defect management, and reporting.
Proven experience creating and maintaining automated tests using Python.
Hands-on experience testing applications or services hosted in AWS.
Practical security testing experience focused on assessing CIS Security Controls and Safeguards.
Experience testing security controls within cloud and hybrid environments.
Strong database testing skills, including the use of SQL for data validation and fault investigation.
Ability to develop solutions to difficult or unclear technical testing problems through deep analysis and collaboration.
Deep understanding of software testing principles, test techniques, quality risks, and the software development lifecycle.
Broad awareness of related engineering disciplines, including software development, infrastructure, security, and deployment practices.
Experience working independently and taking ownership of complete testing projects or processes within a technical area.
Strong written and verbal communication skills.
UK Developed Vetting (DV) clearance required or eligibility and willingness to obtain and maintain it.

Skills

Manual testing
Automated testing
Python
AWS
Database testing
SQL
Security testing
CIS Security Controls
CI/CD pipelines
Selenium
Git
API testing
Agile

Location

Farnborough, UK

Work Type

Full time
Permanent
Hybrid

Experience Level

Seasoned technical individual contributor

Education Level

Bachelor’s degree in computer science, software engineering, information technology or a related technical discipline, with relevant experience; or a master’s degree of relevant experience. Equivalent practical experience may also be considered.

Salary/Compensations

£44,700.00-£57,300.00

Benefits

Contributory Pension Scheme
Private Medical Insurance
33 days Annual Leave (including public and privilege holidays)
Access to Flexible benefits (including life assurance, health schemes, gym memberships, annual buy and sell holidays and a cycle to work scheme)
Flexi-TIme

About the Company

Leidos is a global science and technology solutions leader working to solve the world's toughest challenges in defence, intelligence, homeland security, civil, and health markets.
The company's 33,000 employees support vital missions for government and commercial customers.
Leidos UK & EUROPE – we work to make the world safer, healthier, and more efficient through technology, engineering and science.
Leidos is a growing company delivering innovative technology and solutions focused on safeguarding critical capabilities and transformation in frontline services, our work in the United Kingdom includes addressing some of the most complex problems in defence, healthcare, government, safety and security, and transportation.

Equal Opportunity

We welcome applications from every part of the community and are committed to a truly diverse and inclusive culture. We foster a sense of belonging, welcoming all perspectives and contributions, and providing equal access to opportunities and resources for everyone. If you have a disability or need any reasonable adjustments during the application and selection stages please let us know, and we will respond in a way that best fits your needs.