• Senior Software Tester

    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 products through comprehensive testing. You will work closely...team to identify and resolve issues, ensure that our software meets the highest standards of quality, and contribute… more
    Amentum (08/10/25)
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  • Senior Software Tester

    Amentum (Dahlgren, VA)
    Amentum is looking for Software engineers to join our USN advance technology development team. Someone to code, optimize and build software speed and efficiency ... or Dahlgren, VA with occasional telecommute or travel opportunities. ** Software engineer Responsibilities Include:** + Developing graphical user interfaces for… more
    Amentum (08/08/25)
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  • 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 ... projects in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development. Elevate your career and make a difference....Chantilly, VA location. This is an onsite position. The Senior Quality Assurance Tester will work with… 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...performance, and security testing to ensure all systems and software function as intended and meet all compliance and… more
    ManTech (06/12/25)
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  • Senior Web Application Penetration…

    CoStar Realty Information, Inc. (Arlington, VA)
    Senior Web Application Penetration Tester Job...in real estate. In this role, you will secure software and applications that power the worldwide real estate ... market. Work with 1,000+ software , QA, and operations engineers to secure applications during...Pentesting Expert (CAPE) + INE Security Web Application Penetration Tester eXtreme (eWPTX) + **Those certifications can be substituted… more
    CoStar Realty Information, Inc. (07/03/25)
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  • Senior Tester

    Steampunk (Mclean, VA)
    Software Testing Qualifications Board (ISTQB) Certification + Certified Manager of Software Testing (CMST) + DHS Trusted Tester Certification (TTv5) + ... Steampunk participates in the E-Verify 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 finding the right job?**… more
    Steampunk (07/15/25)
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  • Journeyman Tester

    ManTech (Stafford, VA)
    **MANTECH** seeks motivated, career and customer-oriented **Journeyman Tester ** to join our team in **Stafford, VA.** **Responsibilities include but are not limited ... to:** + Runs test scenarios for software usability and prepares reports on the software...+ Ability to receive guidance and direction from more senior staff **Minimum Qualifications:** + BA/BS in field necessary… more
    ManTech (08/08/25)
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  • Business Systems Analyst and Tester

    ManTech (Herndon, VA)
    **MANTECH** seeks a results-driven **Business Systems Analyst and Tester ** to join our team supporting financial system development and testing efforts within the ... . You will play a key role in aligning Momentum Financial Management software functionality with DoD and USAF financial requirements, ensuring the delivery of… more
    ManTech (08/08/25)
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  • Senior Quality Assurance Engineer

    ManTech (Herndon, VA)
    **ManTech** seeks a motivated, career and customer-oriented ** Senior Software Quality Assurance Engineer and Tester ** to join our team in the **DC, Maryland, ... . In this role you will develop and execute software test plans in order to identify software problems and their causes. **Responsibilities include, but are not… more
    ManTech (05/30/25)
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