• Customer Acceptance Tester

    General Dynamics Information Technology (Fairfax, VA)
    …**Job Description:** Seize your opportunity to make a personal impact as a ** Customer Acceptance Tester ** supporting the United States Postal Service. ... and grow a rewarding career. At GDIT, people are our differentiator. As a ** Customer Acceptance Tester ** , you will help ensure today is safe and tomorrow… more
    General Dynamics Information Technology (11/25/25)
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  • Expert Automated Tester

    Leidos (Chantilly, VA)
    **Description** Leidos is seeking an Automated Tester for a 200+ FTE technical development program supporting the Sponsor's Entitlement Programs as well as IdAM ... Engineer will support the test of access control systems for a government customer . The successful candidate will support continuity of our customer 's mission… more
    Leidos (10/10/25)
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  • Software Regression/Salesforce Tester

    General Dynamics Information Technology (Chantilly, VA)
    …mission is never interrupted. At GDIT, we deliver clarity with supporting the customer , you will be trusted to solve complex IT issues while delivering outstanding ... 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… more
    General Dynamics Information Technology (10/14/25)
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  • Software QA Specialist/Applications Tester

    General Dynamics Information Technology (Chantilly, VA)
    …and mission-critical. Join our team as a Software Quality Assurance Specialist/Applications Tester and make an impact. While you help us advance the mission, ... your skills and advance your career. **HOW A SOFTWARE QUALITY ASSURANCE SPECIALIST/APPLICATIONS TESTER WILL MAKE AN IMPACT** + Work with other Testers and a team… more
    General Dynamics Information Technology (09/17/25)
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  • QA Tester

    HarmonyTech (Washington, DC)
    HarmonyTech is seeking a QA Tester with hands-on software testing experience. The QA Tester will collaborate closely with the QA Team and other development ... and reviewing QA Artifacts + Supporting users during user acceptance testing + Performing testing for all releases, including...business challenges. Our success is measured with every satisfied customer and employee. Why you want to join us… more
    HarmonyTech (11/23/25)
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  • Business Systems Analyst/Software Tester

    CACI International (Washington, DC)
    Business Systems Analyst/Software Tester Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: Public Trust Employee Type: ... in the project team. + Providing client support throughout User Acceptance Testing (UAT), including defect management. + Demonstrating proficiency in Agile… more
    CACI International (10/18/25)
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  • Quality Analysts

    General Dynamics Information Technology (Fairfax, VA)
    …Engineering **Skills:** Application Testing,Software Testing,Test Case Design **Certifications:** Certified Tester Foundation Level Agile Tester (CTFL-AT) | ... modernization initiative. Key Responsibilities: + Analyze requirements, user stories, and acceptance criteria to develop comprehensive test plans and test cases. +… more
    General Dynamics Information Technology (11/21/25)
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  • Test Engineer

    Nightwing (Sterling, VA)
    …as part of the Platform Team develops and performs functional, user acceptance , integration, and end-to-end testing for CUSTOMER system/software development. The ... related to the product being tested. Desired Certs: + ISTQB Certified Tester Foundation Level (CTFL): A foundational certification covering basic software testing… more
    Nightwing (09/26/25)
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  • Test Engineer

    CACI International (Sterling, VA)
    …load, installation, security, interoperability, stress, and boundary conditions. + Support User Acceptance Testing (UAT) and customer acceptance ; deliver ... Partnering with systems, software, and product teams, you will translate customer and contractual needs into risk-based test plans, procedures, environments, and… more
    CACI International (09/20/25)
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  • Software Test Engineer

    ManTech (Ashburn, VA)
    ManTech seeks a motivated, career and customer -oriented **Software** ** Tester ** to join our team in **Ashburn, Virginia.** This is a hybrid position. Currently, ... **ManTech** is seeking a motivated, career and customer -oriented ** Tester ** to join our team supporting...TestNG to automate repetitive tests. + Experience with user Acceptance Testing (UAT) Support - Assists business users in… more
    ManTech (09/06/25)
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  • Requirements Analyst - 508 Compliance

    Chenega Corporation (Washington, DC)
    …and documentation for accessibility + Conduct audits and assessments using Trusted Tester protocols + Work with developers and designers to implement accessible ... Document and report 508 compliance status + Support user acceptance testing (UAT) and remediation activities + Other duties...6+ years of relevant experience + Active DHA Trusted Tester Certification + Must be a US Citizen and… more
    Chenega Corporation (10/30/25)
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