• Information System Security Engineer (ISSE)

    SMX (Aiea, HI)
    …Aiea, HI SMX is seeking a highly skilled and innovative Information Systems Security Engineer (ISSE) to spearhead advanced cybersecurity initiatives within ... the robust Assessment and Authorization (A&A) of AI/ML DoD systems in a dynamic, mission-critical environment. **This position will...HQ on Oahu, Hawaii.** **This position requires a DoD Secret clearance with eligibility for TS /SCI which… more
    SMX (01/15/26)
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  • Infrared Engineer

    Leidos (Chantilly, VA)
    …analysis for design and optimization in challenging electromagnetic environments. + An active TS /SCI security clearance is required to be considered for ... **Description** **Job Description** Leidos seeks a mid-career to senior-level engineer with an infrared (IR) engineering background to serve...this position. An active TS /SCI with polygraph is highly desired.… more
    Leidos (12/04/25)
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  • ServiceNow ITOM Engineer

    CACI International (Chantilly, VA)
    …Office tools (Excel, Word, Project, Visio) and SharePoint **Qualifications:** _Required:_ * An Active TS /SCI Clearance with Polygraph* Security+ or DoD 8570 IAT ... ServiceNow ITOM Engineer Job Category: Information Technology Time Type: Full...Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee Type: Regular Percentage of Travel… more
    CACI International (11/25/25)
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  • Principal System Safety Engineer

    RTX Corporation (Aurora, CO)
    …Software or Firmware Engineering, Electrical Engineering or equivalent Safety Engineering. + Active US government issued TS /SCI security clearance is required. ... Type:** Onsite **U.S. Citizen, US Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior… more
    RTX Corporation (10/31/25)
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  • Systems Integration & Testing…

    Solvarus (Chantilly, VA)
    …13 years with MS/MA or 7 to 9 years with Ph.D. + Must have an active TS /SCI, with Poly to start. + Verification, Validation and Transition (VV&T) experience ... national assets, associated ground segments and services, and information processing systems within the enterprise. Duties include: + Evaluation of architecture,… more
    Solvarus (11/02/25)
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  • SATCOM Field Engineer

    CACI International (Fairfax, VA)
    …needs to support a satellite installation or O&M project. **Qualifications:** _Required:_ + ** Active TS /SCI with Poly** + Minimum of 6 years of related ... SATCOM Field Engineer Job Category: Engineering and Technical Support Time...Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee Type: Regular Percentage of Travel… more
    CACI International (11/11/25)
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  • Software Engineer

    KBR (Beavercreek, OH)
    …processes as dictated by team leadership. Qualifications: Required: + Active DoW Secret clearance (must be able to obtain TS /SCI) + BA/BS in Mathematics, ... Title: Software Engineer Belong. Connect. Grow. with KBR! KBR's National...to those that have been deemed urgent. Desired: + Active DoW TS /SCI Ready to Make a… more
    KBR (01/17/26)
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  • Sr. Specialist, Systems Engineering…

    L3Harris (Greenville, TX)
    … Secret with SCI. + Must be a US Citizen. Preferred Additional Skills: + Active Top Secret with SCI. + Security+ Certification. + RC-135 Operator ... the interest of national security. Job Title: Sr. Specialist, Systems Engineer Job Code: 32898 Job Location:...Hands-on experience with Operator interfaces. + Must have an active Secret clearance at the time of… more
    L3Harris (01/17/26)
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  • Sr. Spec, Systems Engineering (Mission…

    L3Harris (Greenville, TX)
    …Secret with SCI. + Must be a US Citizen. Preferred Additional Skills: + Active Top Secret with SCI. + Security+ Certification. #LI-AH1 L3Harris ... the interest of national security. Job Title: Sr. Specialist, Systems Engineer (ACES) Job Code: 32390 Job...interfaces and/or Remote Operator interfaces. + Must have an active Secret clearance at the time of… more
    L3Harris (01/06/26)
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  • Space Mission Analyst/Operations Research IV

    Lockheed Martin (King Of Prussia, PA)
    …space system architectures and/or conducting architecture trade studies * US Citizenship required * Active Top Secret clearance with the ability to obtain a ... \(ISE\) team is searching for a level 4 Operations Analyst or Engineer with experience in multi\-domain \(e\.g\. space, air, terrestrial\) mission modeling, modeling… more
    Lockheed Martin (01/17/26)
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