• Systems Administrator

    Guidehouse (Springfield, VA)
    **Job Family** **:** IT Cyber Security **Travel Required** **:** Up to 10% **Clearance Required** **:** Active Top Secret SCI (TS/SCI) **What You Will Do** **:** The ... provide technical support, systems administration, application administration, and system security to the Computer Emergency Notification System (CENS) application… more
    Guidehouse (08/08/25)
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  • CNO Developer (All Levels) - TS/SCI or higher…

    Parsons Corporation (Centreville, VA)
    …code for new tools and capabilities in areas related to computer security , vulnerability research, reverse engineering, and product development + Develop and ... operating system projects related to software protection and host-based personal security tools + Review system architecture, and select and implement appropriate… more
    Parsons Corporation (08/08/25)
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  • Lead Software Engineer

    Mastercard (Arlington, VA)
    …principles, advanced development and design practices, and an obsession with security , reliability, and performance to deliver solutions that delight our customers. ... low-level designs, review team code, and enforce high standards in code quality and security - Comfortable working in Agile environments such as Scrum or SAFe, with… more
    Mastercard (08/02/25)
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  • Offensive Software Developer

    Parsons Corporation (Fort Belvoir, VA)
    …weaknesses and vulnerabilities, cyber red teaming, network penetration testing, security operations center analysis, defensive cyber operations, or offensive cyber ... exploit development. In addition, desired skills/certifications are: o Offensive Security Experienced Pentester (OSEP), Advanced Windows Exploitation (OSEE), Exploit… more
    Parsons Corporation (08/02/25)
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  • Chief Systems Architect

    Leidos (Chantilly, VA)
    **Description** Leidos National Security Sector combines technology-enabled services and mission software capabilities in the areas of cyber, logistics, security ... technologies, and tactics to keep pace with an ever-evolving security landscape and succeed in their pursuit to protect...good way). Then build them smarter. We're the tech company everyone calls when things get weird. We don't… more
    Leidos (07/30/25)
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  • Network Control Technician - NETTN Field Services…

    Huntington Ingalls Industries (Virginia Beach, VA)
    …Type: Full Time/Salaried/Exempt Anticipated Salary Range: $61,534.00 - $82,000.00 Security Clearance: Secret Level of Experience: Mid This opportunity resides ... with Global Security (GS). Mission Technologies' Global Security (GS)...administration professionals. Recognized as one of America's top large company employers, we are a values and ethics driven… more
    Huntington Ingalls Industries (07/15/25)
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  • Software Developer (Part-Time)

    Parsons Corporation (Mclean, VA)
    …servers (Ubuntu, CentOS, etc.) for hosting applications, ensuring performance, stability, and security . + Develop and Test on Linux based servers. Must be capable ... (eg, handling inbound/outbound calls, IVR, call routing). + Knowledge of security best practices for telephony, server administration, and web applications. +… more
    Parsons Corporation (07/12/25)
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  • Systems Administrator / Top Secret / Onsite:

    Lockheed Martin (Arlington, VA)
    …industry best practices for systems administration\. \* Developing solutions to system security needs that meet customer security requirements without negatively ... affecting program performance, or if security requirements cannot be met, developing technical and/or procedural...missions we care about\. As a leading technology innovation company , Lockheed Martin's vast team works with partners around… more
    Lockheed Martin (07/12/25)
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  • Software Engineer (SkillBridge Intern)

    Huntington Ingalls Industries (Roanoke, VA)
    …10% Employment Type: Temporary Worker Anticipated Salary Range: $0.00 - $0.00 Security Clearance: Ability to Obtain Level of Experience: Intern This opportunity ... defense - the data evolution - by accelerating a breadth of national security solutions for government and commercial customers. Our capabilities range from C5ISR,… more
    Huntington Ingalls Industries (07/11/25)
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  • Program Manager

    KBR (Chantilly, VA)
    Title: Program Manager Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced technology solutions to our ... customers in the intelligence and national security communities. In this position, your work will have...to, and ongoing journey toward being a People First company . That commitment is central to our team of… more
    KBR (07/08/25)
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