• Systems Administrator / Integration Tester

    BAE Systems (Springfield, VA)
    **Job Description** BAE Systems is seeking mission-oriented System Administrator / Integration Tester to join a dynamic team of IT professionals. As a member of an ... diagnosis of cause, and development of corrective action plans. As an SA/ Tester , you will provide: + Corrective maintenance (ie, Identify, isolate and/or rectify… more
    BAE Systems (10/22/25)
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  • QA Tester - Big Data & Report Systems

    ICF (Reston, VA)
    Description We are seeking a highly experienced QA/ Tester to join our team and support the quality assurance efforts across enterprise-level data and reporting ... 508 compliance testing and usability validation for accessibility standards. + Execute manual and automated testing using tools like UFT/QTP and IBM Rational… more
    ICF (09/04/25)
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  • Senior Quality Assurance Tester

    ManTech International (Reston, VA)
    …future opportunity ManTech seeks a motivated, career and customer-oriented Senior Quality Assurance Tester to join our team in the Reston or Chantilly, VA location. ... This is an onsite position. The Senior Quality Assurance Tester will work with the engineering and quality assurance/test teams to perform exploratory, performance,… more
    ManTech International (10/29/25)
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  • Software Regression/Salesforce Tester

    General Dynamics Information Technology (Chantilly, VA)
    …customer service. Ensure the safety and security of our nation as a Software Tester cand help ensure the mission is never interrupted. At GDIT, we deliver clarity ... skills, and a passion for continuous improvement. The Salesforce Tester responsibilities include reviewing code/configurations for bugs; design, program, and… more
    General Dynamics Information Technology (10/14/25)
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  • Lead Web App Pen Tester

    CoStar Realty Information, Inc. (Arlington, VA)
    Lead Web App Pen Tester Job Description **Overview** CoStar Group (NASDAQ: CSGP) is a leading global provider of commercial and residential real estate information, ... tests on web applications and underlying infrastructure for vulnerabilities using both manual and automated techniques + Demonstrate risk of detected issues to both… more
    CoStar Realty Information, Inc. (10/03/25)
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  • Senior Quality Assurance Tester

    ManTech (Reston, VA)
    **ManTech** seeks a motivated, career and customer-oriented **Senior Quality Assurance Tester ** to join our team in the **Reston or Chantilly, VA** location. This is ... an **onsite** position. The **Senior Quality Assurance Tester ** will work with the engineering and quality assurance/test teams to perform exploratory, performance,… more
    ManTech (09/11/25)
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  • Application Penetration Tester

    ASM Research, An Accenture Federal Services Company (Richmond, VA)
    As an Application Security Penetration Tester , you will be entrusted with the critical responsibility of safeguarding web applications and REST APIs from potential ... assessments of third-party libraries, analyzing dependencies, and conducting both automated and manual code reviews. You will be adept at uncovering a range of… more
    ASM Research, An Accenture Federal Services Company (11/11/25)
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  • Penetration Tester - Part Time & Remote

    TestPros (Sterling, VA)
    …Corp. to Corp) Job Summary TestPros is looking for an experienced Penetration Tester professional to support our IT Security consulting work for various Commercial ... of Pen Test methods such as Open Source Security Testing Methodology Manual (OSSTMM), Open Web Application Security Project (OWASP), Penetration Testing Execution… more
    TestPros (11/18/25)
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  • Senior Software Tester - Expert

    Amentum (Chantilly, VA)
    Amentum is seeking a skilled Senior Software Tester to join our team. The ideal candidate will be well-versed in ensuring the quality and reliability of software ... : + Design, develop, and execute test plans, scripts, and cases for both manual and automated testing. + Identify, document, and track software defects using bug… more
    Amentum (11/08/25)
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  • Quality Assurance Software Tester

    Guidehouse (Mclean, VA)
    …Public Trust We are seeking a **QA Testing Engineer** to support automated and manual testing efforts for a federal Agile development team. The ideal candidate will ... regression, and integration tests for React frontend and backend microservices + Manual and automated testing of user journeys, scripts, and Stories and acceptance… more
    Guidehouse (11/12/25)
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