• Systems Tester

    CACI International (Chantilly, VA)
    Systems Tester Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of ... Travel Required: None Type of Travel: None * * * CACI is seeking a Systems Testing Analyst to design and execute test plans related to various software applications,… more
    CACI International (08/29/25)
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  • Business Systems Analyst/ Tester

    CACI International (Reston, VA)
    Business Systems Analyst/ Tester Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: Top Secret Employee Type: Regular ... * * **The Opportunity:** Are you a passionate Business Systems Analyst who likes working under minimal direction? Do...testing software applications? **Join our team as a Business Systems Analyst!** You will get to use your … more
    CACI International (10/21/25)
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  • Expert Automated Tester

    Leidos (Chantilly, VA)
    …mission by helping ensure secure, reliable, and uninterrupted availability of IT systems . The Automated Tester defines, documents, analyzes, performs, and ... **Description** Leidos is seeking an Automated Tester for a 200+ FTE technical development program...Test Engineer will support the test of access control systems for a government customer. The successful candidate will… more
    Leidos (10/10/25)
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  • QA Tester - Big Data & Report…

    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 ... platforms. This role will focus on validating big data systems , business intelligence tools, and web-based applications, ensuring high standards of data integrity,… 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...perform exploratory, performance, and security testing to ensure all systems and software function as intended and meet all… more
    ManTech International (10/29/25)
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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...perform exploratory, performance, and security testing to ensure all systems and software function as intended and meet all… more
    ManTech (09/11/25)
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  • Penetration Tester , Senior

    CACI International (Herndon, VA)
    Penetration Tester , Senior Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular ... * **The Opportunity:** CACI is seeking a talented Penetration Tester to work on a niche project team with...creative ways to break into a range of customer systems and illustrate to stakeholders what could happen if… more
    CACI International (10/18/25)
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  • Sr Performance Tester

    System One (Reston, VA)
    Job Title: Sr Tester Type: Contract Location: Reston, VA Contractor Work Model: Hybrid PURPOSE: As part of the Performance Testing team, responsible for creating, ... managing automated performance testing scripts. Collaborate effectively with the systems and development teams to troubleshoot performance and scalability issues.… more
    System One (10/14/25)
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  • Penetration Tester

    Leidos (Ashburn, VA)
    …scale and repeatability. Leidos has a critical need for a Junior Penetration Tester to support a large Cyber program within Leidos. The Department of Homeland ... intrusion detection and protective security services to CBP information systems including local area networks/wide area networks (LAN/WAN), commercial Internet… more
    Leidos (09/14/25)
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  • Penetration Tester

    CACI International (Chantilly, VA)
    Penetration Tester Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular Percentage of ... or Counterintelligence experience.** **Scripting (Windows/*nix), Bash, Python, Perl or Ruby, Systems Programming is a plus.** **Existing Subject Matter Expert of… more
    CACI International (09/13/25)
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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 ... NIST, etc. + Proficient with the command line interface of multiple operating systems - Windows, macOS, Linux, etc. + Solid understanding of manual scripting and… more
    TestPros (08/19/25)
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  • Business Systems Analyst

    CACI International (Chantilly, VA)
    Business Systems Analyst Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular ... : CACI has an immediate need for a Software Tester (ST) to support our Client in Chantilly, VA....for the testing of information technology products, equipment, or systems in accordance with company and contractual requirements. The… more
    CACI International (10/31/25)
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  • IT Audit Lead - FISCAM & FISMA Compliance

    E-volve Technology Systems, Inc. (Reston, VA)
    IT Audit Lead/Internal Controls Tester Reston, VA Security Clearance Requirement: Current TS/SCI Location Note: On-Site Support Required Position Description: The IT ... unqualified Statement of Assurance. Duties & Responsibilities: The It Audit Lead/Internal Controls Tester will have a role in working directly with clients and other… more
    E-volve Technology Systems, Inc. (10/04/25)
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  • Test Engineer

    Nightwing (Sterling, VA)
    Nightwing provides technically advanced full-spectrum cyber, data operations, systems integration and intelligence mission support services to meet our customers' ... testing. The TE coordinates and conducts tests on all services and systems /enhancements and versions/releases to ensure that the system is functional and compliant… more
    Nightwing (09/26/25)
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  • Cyber Threat Hunt Analyst​

    Leidos (Ashburn, VA)
    …intrusion detection and protective security services to CBP information systems including local area networks/wide area networks (LAN/WAN), commercial Internet ... SOC is responsible for the overall security of CBP Enterprise-wide information systems , and collects, investigates, and reports any suspected and confirmed security… more
    Leidos (11/01/25)
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  • Test Engineer

    CACI International (Sterling, VA)
    …pivotal role in ensuring the quality and compliance of complex hardware/software systems . Your expertise will drive the development and execution of comprehensive ... If you're motivated by measurable outcomes and the challenge of delivering high-quality systems , we want to meet you. **Responsibilities:** As a Test Engineer, you… more
    CACI International (09/20/25)
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  • T2 AS&W Analyst - Day

    Leidos (Ashburn, VA)
    …intrusion detection and protective security services to CBP information systems including local area networks/wide area networks (LAN/WAN), commercial Internet ... SOC is responsible for the overall security of CBP Enterprise-wide information systems , and collects, investigates, and reports any suspected and confirmed security… more
    Leidos (11/05/25)
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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 the Customs and Border Protection (CBP) Traveler Processing… more
    ManTech (09/06/25)
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  • Network Engineer 3

    M. C. Dean (Chantilly, VA)
    …telecommunications, life safety, automation and controls, audiovisual, and IT systems . Headquarters in Tysons, Virginia, MC Dean delivers resilient, secure, ... innovative power and technology solutions through engineering expertise and smart systems integration. **Why Join Us?** Our people are passionate about engineering… more
    M. C. Dean (10/23/25)
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  • PCI Compliance Consultant - Part time & Remote

    TestPros (Sterling, VA)
    …+ At least 1 year of experience of direct or indirect work with public Cloud systems and on-premise infrastructure or systems + At least 1 year of experience ... Assessor PCIP (Payment Card Industry Professional), CISSP (Certified Information Systems Security Professional), CISM (Certified Information Security Manager), GX-PT… more
    TestPros (08/19/25)
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