• Systems Engineer 4 - TS/SCI

    M. C. Dean (Omaha, NE)
    …Cybersecurity and Information Assurance requirements. + Experience performing security scans, performing system updates, and applying security ... Engineering, Mechanical, or a Related Engineering Discipline (not accepting Information Management, Information Systems , or...required with the provision of SE services for physical security systems and IT solutions. + Applicants… more
    M. C. Dean (10/08/25)
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  • Sr. Specialist, Systems Engineer

    L3Harris (Greenville, TX)
    …the space, air, land, sea and cyber domains in the interest of national security . Job Title: Sr. Specialist, Systems Engineer Job Code : 29863 Job Location: ... Preferred Additional Skills: + Active Top Secret with SCI security clearance + Coursework and/or experience in systems...in systems engineering, systems architecture, systems analysis and design, system performance modeling,… more
    L3Harris (10/12/25)
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  • Senior Linux Systems Administrator - 10k…

    Leidos (Aurora, CO)
    …exciting opportunity for a **Senior Linux Systems Administrator** in our **National Security Sector's (NSS) Cyber & Analytics Business Area (CABA)** . Our ... troubleshooting, and maintenance of Information Technology (IT) systems . You'll manage IT system infrastructure and...and access to systems and equipment, implementing security procedures and tools. + ** System Configuration… more
    Leidos (10/09/25)
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  • Senior Specialist Systems Engineer

    L3Harris (Nashville, TN)
    …space, air, land, sea and cyber domains in the interest of national security . Job Title : Senior Specialist Systems Engineer Job Number: 29124 Job Location: ... L3Harris ForceX is responsible for evaluating complex technical issues and providing system -engineering solutions. The Systems Engineer will develop designs and … more
    L3Harris (09/28/25)
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  • Security Officer 3

    Huntington Ingalls Industries (Bremerton, WA)
    Systems (WS), a business group within HII's Mission Technologies division. Warfare Systems comprises cyber and mission IT; electronic warfare; and C5ISR ... systems . HII works within our nation's intelligence and cyber operations communities to defend our interests in cyberspace and anticipate emerging threats. Our… more
    Huntington Ingalls Industries (10/13/25)
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  • Information Security Analyst

    Space Dynamics Laboratory (North Logan, UT)
    …5477 Date Posted: November 19, 2025 The Space Dynamics Laboratory (SDL) is seeking an Information Security (Infosec) Analyst with a focus on email security , ... including SIEM, IDS/IPS, firewalls, honeypots, email filter, and EDR systems + Maintains and updates anti-phishing training and awareness...3-6 years of IT experience with an emphasis in Information Security + Must possess CompTIA … more
    Space Dynamics Laboratory (11/20/25)
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  • Air Combat SME (Mission Systems Modeler)

    Huntington Ingalls Industries (Nellis AFB, NV)
    …Type: Full Time/Salaried/Exempt Anticipated Salary Range: $86,071.00 - $124,000.00 Security Clearance: TS/SCI Level of Experience: Senior This opportunity resides ... with Global Security (GS). Mission Technologies' Global Security (GS)...fleet. With a holistic approach to life-cycle maritime defense systems -from small watercraft to submarines, surface combatants and aircraft… more
    Huntington Ingalls Industries (10/24/25)
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  • Program Security Representative (PSR) I

    General Dynamics Information Technology (Bedford, MA)
    …Trust/Other Required:** None **Job Family:** Security Operations **Skills:** Facility Security ,Physical Security , System Security **Experience:** 5 + ... identify shortfalls and provide appropriate recommendations for revising and improving security policies, procedures, and systems . + Identify vulnerabilities,… more
    General Dynamics Information Technology (11/18/25)
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  • Systems Administrator

    General Dynamics Information Technology (Macdill AFB, FL)
    …and deploy systems -related security policies and updates to maintain information system compliance with DISA security policies and procedures (STIGs, ... to join one of GDIT's fastest long-standing growing programs! US Battlefield Information Collection and Exploitation Systems eXtended (US BICES-X) is a… more
    General Dynamics Information Technology (11/22/25)
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  • Sr. Specialist, SATCOM Systems Engineer

    L3Harris (Salt Lake City, UT)
    …space, air, land, sea and cyber domains in the interest of national security . Job Title: Sr. Specialist Systems Engineer Job Code: 30865 Job Location: Salt ... application environment). + Experience with type 1 encryption products and cyber security + Presentation and communication skills (verbal/written/visual). +… more
    L3Harris (11/15/25)
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