• Senior Specialist, Systems Engineering…

    L3Harris (Springfield, VA)
    …(100% Onsite) Job Description: L3Harris Technologies currently has an opening for a Senior Specialist, User Acceptance Tester with expertise in Test and ... of national security. Job Title: Specialist, Systems Engineer - User Acceptance Tester (Active TS/SCI w/CI Poly Required) Job Code: 24381 Job Location: Springfield,… more
    L3Harris (05/29/25)
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  • Senior Quality Assurance Tester

    ManTech International (Reston, VA)
    …now-unleash your potential with MANTECH! ManTech seeks a motivated, career and customer-oriented Senior Quality Assurance Tester to join our team in the Reston ... 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 , and security testing to ensure all systems and… more
    ManTech International (07/16/25)
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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 , and security testing to ensure all systems and… more
    ManTech (06/12/25)
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  • Senior Oracle Fusion Business Analyst/…

    System One (Washington, DC)
    Senior Business Analyst/ Tester (Oracle Fusion/ PeopleSoft)...work based in DC, MD and VA Place of Performance : Remote but will be required to work on-site ... August 11, 2025 by 5pm. Background This position is for a Business Analyst/ Tester role that requires meticulous and data validation experience and skills to join… more
    System One (08/03/25)
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  • Senior Web Application Penetration…

    CoStar Realty Information, Inc. (Arlington, VA)
    Senior Web Application Penetration Tester Job Description **Overview** CoStar Group (NASDAQ: CSGP) is a leading global provider of commercial and residential ... / AD Pentesting Expert (CAPE) + INE Security Web Application Penetration Tester eXtreme (eWPTX) + **Those certifications can be substituted with considerable… more
    CoStar Realty Information, Inc. (07/03/25)
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  • Senior System Tester

    Competitive Range Solutions, LLC (Fort Meade, MD)
    …exciting projects in a collaborative, congenial environment. We are seeking a Senior System Tester to conduct comprehensive requirements analysis, software ... testing, debugging, and performance optimization in support of mission-critical defense applications. This role requires expertise in Agile Scrum methodologies,… more
    Competitive Range Solutions, LLC (08/07/25)
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  • Senior Tester

    Steampunk (Mclean, VA)
    …program._ Refer a Friend (https://careers-steampunk.icims.com/jobs/6276/ senior - tester /job?mode=apply&apply=yes&in\_iframe=1&hashed=-336029103) **Need help ... more of the following: + Data validation testing + Functional testing + Performance and load testing + Usability testing + Accessibility (508) testing + Establishing… more
    Steampunk (07/15/25)
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  • Senior Associate, Mid-Level Penetration…

    Ankura (Washington, DC)
    …on innovation and growth. Practice Overview: We are seeking a Mid-Level Penetration Tester with a focus on Web, API, and Mobile Application security assessments to ... to help clients at critical inflection points related to conflict, crisis, performance , risk, strategy, and transformation. The Ankura team consists of more than… more
    Ankura (07/31/25)
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  • Information System Security Engineer…

    Amentum (Washington, DC)
    …high impact assignments. Plans and leads major technology assignments. Evaluates performance results and recommends major changes affecting short-term project growth ... one or more of the following: CompTIA Network+, CPT: Certified Penetration Tester , CEPT: Certified Expert Penetration Tester , CREA: Certified Reverse Engineering… more
    Amentum (06/18/25)
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  • Software Quality Assurance Testers

    Guidehouse (New Carrollton, MD)
    …+ Exposure to test automation tools such as Selenium, JMeter, or Rational Performance Tester (RPT). + Understanding of software development and testing ... Familiarity with test automation tools such as Selenium, JMeter, LoadRunner, or Rational Performance Tester (RPT). + Ability to support test data creation, test… more
    Guidehouse (08/09/25)
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