• Scientist, Systems Engineer

    L3Harris (Clifton, NJ)
    …relevant experience Or Graduate Degree and a minimum 10 years of prior related experience. + Top Secret or TS / SCI Clearance + 10+ years' experience using ... in the integration process. The role is of high-level system integrator , requiring extensive technical knowledge of the architecture, interfaces, and… more
    L3Harris (08/21/25)
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  • Senior Systems Engineer

    SAIC (Aberdeen, MD)
    …+ A Top Secret Clearance is required to begin employment; a TS / SCI Security Clearance is required to maintain employment **Required Skills:** + Minimum 3 ... processes for discovering, selecting, organizing, distilling, sharing, developing and using information to better understand the enemy and the enemy's environment… more
    SAIC (08/20/25)
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  • Senior NAVWAR Engineer

    SAIC (El Segundo, CA)
    …Computer Science, or Science with 14+ years of overall experience. + Active Top Secret clearance. + GPS experience. + Demonstrated experience developing and ... + Demonstrated experience writing and delivering technical documents. Desired: + Active TS / SCI clearance. + Experience with MS Visual Studio C++, Python,… more
    SAIC (10/02/25)
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  • Agile Coach

    SAIC (Chantilly, VA)
    …for the acquisition of systems over the complete end-to-end life cycle. **Active Top Secret / SCI security clearance with Polygraph required.** Job ... to fill a critical position on the LANDMARK AOS program in Chantilly, VA. LANDMARK AOS is a large...more experience. + SAFe certified (SA or SPC). + Top Secret / SCI security clearance with… more
    SAIC (09/10/25)
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  • DevSecOps Systems Engineer

    SAIC (Chantilly, VA)
    …responsible for the acquisition of systems over the complete end-to-end life cycle. **A Top Secret / SCI Poly is required.** As the DevSecOps Systems Engineer, ... to fill a critical position on the SAIC's Prime Program Landmark AOS in Chantilly, VA. Landmark AOS is...to be substituted in lieu of degree. + Active Top Secret / SCI clearance with Poly.… more
    SAIC (09/09/25)
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  • DevSecOps Engineer II

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …**An active Secret US Security Clearance with the ability to obtain a Top Secret with SCI eligibility required** **Qualifications We Prefer:** + ... and more (https://www.sncorp.com/careers/total-rewards/) . **IMPORTANT NOTICE:** This position requires current/active Top Secret with SCI eligibility US… more
    Sierra Nevada Company, LLC (10/15/25)
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  • Mbse

    SAIC (Chantilly, VA)
    …acquisition of systems over the complete end-to-end life cycle. Must have an Active Top Secret / SCI with Poly. As the Model-Based Systems Engineering (MBSE) ... **Model-Based Systems Engineering (MBSE) Engineer** to support SAIC's Prime Program , Landmark AOS in Chantilly, VA. Landmark AOS is...to be substituted in lieu of degree. + Active Top Secret / SCI with Poly. +… more
    SAIC (08/07/25)
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  • Security Specialist

    SAIC (Springfield, VA)
    …Directorate stakeholders in implementing appropriate classification management efforts (at the Sensitive Compartment Information ( SCI ) and collateral levels) ... adjudicate a polygraph for selected candidates with an active TS / SCI . **An active TS / SCI...Program (CAP) and/or Alternate Compensatory Control Measures (ACCM) Information as required for the execution of the customer's… more
    SAIC (10/09/25)
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  • Network Engineer

    SAIC (Tampa, FL)
    …discipline and a minimum of five (5) years of experience + Must be able to obtain a Top Secret / SCI Clearance; Top Secret needed to start + Must ... multifaceted team with many stakeholders (engineering, logistics, manufacturing, contractor, program leadership) in problem solving efforts for designated aspects of… more
    SAIC (10/11/25)
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  • Personnel Security Case Management Support, PERSEC

    SAIC (Springfield, VA)
    …_This program can quickly adjudicate a polygraph for selected candidates with an active TS / SCI ._ **_An active TS / SCI is required in order to be ... National Agency Checks (NAC) **Qualifications** **Required Skills and Experience:** + **Active TS / SCI required** + **Ability to obtain a polygraph** + Bachelor's… more
    SAIC (10/09/25)
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