• Cybersecurity Engineer Senior

    Amentum (Chantilly, VA)
    Amentum is seeking a **Cybersecurity Engineer Senior ** to support our **FEDSIM United States Army National Guard (G2 IS3)** contract. **Responsibilities:** + ... and manages cybersecurity solutions to support ARNG Intelligence networks and systems , integrating risk management strategies and compliance with DoD and… more
    Amentum (09/27/25)
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  • Machine Learning Engineer Senior

    SAIC (Ashburn, VA)
    …**Position Summary** We are currently seeking a motivated, career and customer-oriented ** Senior Machine Learning Engineer ** to join our team in Ashburn, ... workflows that accelerate model development. + Provisioning, operating, and maintaining systems running on AWS (or equivalent cloud providers). + AI/ML development… more
    SAIC (09/04/25)
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  • Senior DevOps Engineer - TS SCI

    Parsons Corporation (Centreville, VA)
    …We've got what you're looking for. **Job Description:** **Parsons is seeking a Senior TS/SCI DevOps Engineer - Flexible scheduling, mission critical, cutting ... the DevOps process** + **Perform maintenance, upgrades, and troubleshooting of existing systems ** + **Provide technical support and training to project team members… more
    Parsons Corporation (08/02/25)
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  • Senior Information System Security…

    ManTech (Chantilly, VA)
    ManTech is seeking a motivated, career and customer-oriented ** Senior Information System Security Engineer (ISSE)** to join our team **in Chantilly, VA.** ... existing network system(s). Ensure that the design of hardware, operating systems , and software applications adequately address cybersecurity requirements for the IS… more
    ManTech (09/26/25)
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  • Senior Platform Engineer

    Koniag Government Services (Alexandria, VA)
    …Services,** a Koniag Government Services company **,** is seeking a highly skilled Senior Platform Engineer with a Secret clearance to support **KSS** and ... Shareholder Preference in accordance with Public Law 88-352_** **Job Details** **Job Family** **IT, Cyber Security, Network Systems ** **Pay Type** **Salary** more
    Koniag Government Services (08/29/25)
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  • Senior Information System Security…

    ManTech (Quantico, VA)
    **MANTECH** seeks a motivated, career and customer-oriented ** Senior Information System Security Engineer (ISSE)** to join our team in **Quantico, VA.** ... existing network system(s). Ensure that the design of hardware, operating systems , and software applications adequately address cybersecurity requirements for the IS… more
    ManTech (08/13/25)
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  • Mission Modeling and Simulation Analyst…

    SAIC (Alexandria, VA)
    **Description** SAIC is seeking motivated and detail-oriented ** Senior Modeling and Simulation Analysts - Senior Engineers** to join our dynamic team. The ... and execution of M&S projects under the guidance of senior analysts. This includes creating models, running simulations, and.../ studies to assess performance, trade-offs, and impacts of systems or technology within defense or military areas. +… more
    SAIC (08/22/25)
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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, and ... include, but are not limited to:** + Leads and performs systems software quality assurance activities ensuring software meets requirements and operates… more
    ManTech (08/29/25)
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  • Senior Network Engineer

    Parsons Corporation (Quantico, VA)
    …you're looking for. **Job Description:** Parsons is looking for an amazingly talented ** Senior Network Engineer ** to join our team! **What You'll Be Doing:** ... development tools including CGI, HTML, and Active Server Pages (ASP); and operating systems such as Solaris and Windows NT. + Applies advanced principles, theories,… more
    Parsons Corporation (08/16/25)
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  • Edge Information Systems Security…

    V2X (Springfield, VA)
    …integrity, respect, responsibility, and professionalism. We are hiring an Edge Information Systems Security Engineer (ISSE) - active TS/SCI clearance to support ... a Counterintelligence (CI) Polygraph. The Edge Information System Security Engineer (ISSE) provides cybersecurity expertise to edge system stakeholders including… more
    V2X (09/09/25)
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