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Quality Assurance; QA) Engineer​/Tester Security Clearance

Job in McLean, Fairfax County, Virginia, USA
Listing for: Guidehouse
Full Time position
Listed on 2026-09-01
Job specializations:
  • Software Development
    Software Testing, DevOps
Job Description & How to Apply Below
Position: Quality Assurance (QA) Engineer/Tester with Security Clearance
Job Family :
Software Engineering (SWT) Travel Required :
Up to 10% Clearance Required :
Ability to Obtain Public Trust What You Will Do :
We are seeking a highly motivated QA/Test Automation Engineer to support the delivery of high-quality software solutions within a fast-paced Agile and Dev Sec Ops  environment. This role is responsible for designing, developing, maintaining, and executing comprehensive testing strategies that ensure software quality across the development lifecycle. The QA/Test Automation Engineer will partner closely with software developers, business analysts, product owners, Dev Ops engineers, and stakeholders to validate application functionality, identify defects early, and continuously improve testing processes.

The ideal candidate possesses a strong foundation in both manual and automated testing, demonstrates a quality-first mindset, and contributes to the advancement of automation frameworks, test coverage, and continuous integration practices. This position supports a large-scale integrated platform operating within an Agile Scrum environment and requires active participation throughout all phases of the Software Development Life Cycle (SDLC). Success in this role requires excellent communication, collaboration, attention to detail, and a commitment to continuous improvement.

Key Responsibilities Test Planning and Quality Assurance
• Design, develop, and maintain comprehensive test plans, test cases, test scripts, and test data.
• Review business, functional, technical, and user requirements to ensure complete test coverage.
• Execute functional, integration, regression, system, end-to-end, and user acceptance testing activities.
• Validate software releases against business requirements and acceptance criteria.
• Ensure compliance with established testing standards, quality processes, and documentation requirements.
• Collaborate with cross-functional teams to identify quality risks and mitigation strategies early in the development process. Test Automation Engineering
• Develop, enhance, and maintain automated test frameworks and reusable test assets.
• Create automated UI, API, database, and integration test suites.
• Continuously improve automated test coverage and reduce manual testing effort where practical.
• Integrate automated testing into CI/CD and Dev Sec Ops  pipelines.
• Evaluate and recommend testing tools, frameworks, and automation best practices.
• Support implementation of shift-left testing strategies to identify defects earlier in the development lifecycle. Defect Management and Analysis
• Identify, document, prioritize, and track software defects through resolution.
• Perform detailed root cause analysis and collaborate with development teams to resolve issues.
• Create clear defect reports including replication steps, supporting evidence, and impact analysis.
• Verify defect fixes and perform appropriate regression testing. Agile Team Participation
• Participate actively in sprint planning, backlog refinement, daily standups, sprint reviews, and retrospectives.
• Provide testing estimates and quality-risk assessments for user stories and features.
• Collaborate with product owners and business stakeholders to ensure requirements are testable and measurable.
• Support continuous delivery objectives through timely completion of testing activities. Quality Metrics and Continuous Improvement
• Monitor and report on test execution, defect trends, automation coverage, and release readiness.
• Contribute to process improvements that enhance quality, efficiency, and team productivity.
• Promote a quality engineering culture emphasizing prevention, automation, and continuous feedback.
• Stay current with emerging trends in software testing, test automation, AI-assisted testing, and quality engineering practices. Successful candidates will be expected to:
• Deliver testing activities within established sprint and release timelines.
• Maintain high levels of testing accuracy and completeness.
• Achieve continuous growth in automated test coverage.
• Effectively identify defects before production deployment.
• Minimize escaped defects through…
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