• Senior Systems Administrator

    Leidos (Tucson, AZ)
    …VA + Chantilly, VA + Aurora, CO + St. Louis, MO + Tucson, AZ **Clearance Level Required :** Top Secret with the ability to obtain SCI, as well as a Polygraph . ... Linux and Windows-based systems in secure, mission-critical environments. + Architect and manage complex server, storage, and virtualization infrastructure (VMware,… more
    Leidos (10/10/25)
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  • Software Engineer SME

    Leidos (Alexandria, VA)
    …+ Chantilly, VA + Aurora, CO + St. Louis, MO + Tucson, AZ **Clearance Level Required :** **Must have a** **Top Secret with SCI eligibility and able to obtain a ... Polygraph .** **Primary Responsibilities:** + Serve as the lead software...solutions. + Ensure solutions comply with customer and IC-wide cybersecurity , data governance, and open standards (OGC, NSG, etc.).… more
    Leidos (10/05/25)
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  • High Compute Engineer

    Leidos (Bethesda, MD)
    …Security, CISA, CISSP, GCED, GCIH, CCSP). **Clearance** + Active TS/SCI clearance with Polygraph required OR active TS/SCI and willingness to obtain and maintain ... decision. You'll work cross-functionally with data scientists, AI/ML developers, cybersecurity experts, and infrastructure teams to create a robust, secure,… more
    Leidos (09/30/25)
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  • Senior SIGINT Systems Engineer

    KBR (Chantilly, VA)
    …of engineering, logistics, operations, science, program management, mission IT and cybersecurity solutions. + Collaborative Environment: Be part of a dynamic team ... distributed to US Government Intelligence Community and Military users. The SIGINT Systems Architect serves as an advisor to support the Government in defining new… more
    KBR (09/16/25)
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  • Implementation Manager

    Parsons Corporation (Quantico, VA)
    …and troubleshooting. **Security Clearance Requirement:** An active Top Secret SCI w/ Polygraph security clearance is required for this position.​ This ... may be appropriate. + As an Implementation Manager, you'll be the architect of seamless transitions, ensuring new client success and driving operational excellence… more
    Parsons Corporation (08/16/25)
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  • Systems Engineer & Process SME

    KBR (Chantilly, VA)
    …source selections as directed. Required Qualifications: + Active TS/SCI with Polygraph Required + Bachelor of Science/Bachelor of Arts (BS/BA) in ... of engineering, logistics, operations, science, program management, mission IT and cybersecurity solutions. + Collaborative Environment: Be part of a dynamic team… more
    KBR (08/08/25)
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  • Sr. Sales Engineer - TS/SCI with FS Poly - Hybrid…

    Optiv (Baltimore, MD)
    …finalization of sale. **What we're looking for:** + Active TS/SCI with Full Scope Polygraph required . + BS/BA or equivalent and applicable work experience. + ... years in an information security role, preferably as a consulting advisor, architect , or engineer. + Qualified candidates must have strong expertise and experience… more
    Optiv (10/04/25)
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  • Chief Architecture Office Technical Lead

    KBR (Washington, DC)
    …of engineering, logistics, operations, science, program management, mission IT and cybersecurity solutions. + Collaborative Environment: Be part of a dynamic team ... seeking a Chief Architecture Office Technical Lead to serve as the Chief Architect for architecture products and views. Roles and Responsibilities: + Oversee the… more
    KBR (09/11/25)
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