• Senior Specialist Systems Engineer

    L3Harris (Nashville, TN)
    …connecting the space, air, land, sea and cyber domains in the interest of national security . Job Title : Senior Specialist Systems Engineer Job Number: 29124 Job ... Have the Ability to Obtain and Maintain a DoD Security Clearance, Which Requires US Citizenship Job Summary: The...and changes. + Ability to hold and maintain a TS / SCI clearance. Required Skills, Experience and Education:… more
    L3Harris (09/28/25)
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  • Mission Systems Engineer - Clearance…

    Lockheed Martin (Littleton, CO)
    …to customer's needs \- Ability to effectively communicate with peers and customers \- Active Top Secret security clearance with the ability to obtain and ... clearance, you must be a US Citizen for consideration\. **Clearance Level:** TS / SCI w/Poly **Other Important Information You Should Know** **Expression… more
    Lockheed Martin (10/29/25)
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  • Specialist, Field Flight Test Engineer

    L3Harris (Ashburn, VA)
    …a minimum of 8 years of prior related experience. + Active US DOD TOP SECRET or TS / SCI security clearance. Onboarding is contingent upon clearance ... and written communication skills; experience briefing and debriefing technical information to diverse groups. + Work 12+ hour shifts,...for OCONUS travel (~1 week/year). + Active US DOD TOP SECRET security clearance which… more
    L3Harris (11/06/25)
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  • ​​Senior Migration Architect​

    Leidos (Alexandria, VA)
    …these certifications: ​AWS Certified Security - Specialty, ​Microsoft Azure Security Engineer Associate, ​Certified Kubernetes Administrator (CKA), ​TOGAF 9 ... audits and assessments + Clearance: This position requires candidates to obtain a Public Trust and will accept up to TS / SCI + Must, at a minimum, have one of… more
    Leidos (09/26/25)
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  • Delegated Authorizing Official Representative 3

    ARSIEM (Annapolis Junction, MD)
    …Minimum Qualifications + Eight (8) years of experience as an IT Risk Assessor, System Security Engineer , Information Systems Security Manager or DAO in ... security requirements for data protection, ensuring the implementation of appropriate information security controls, and performing and analyzing the … more
    ARSIEM (10/14/25)
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  • Delegated Authorizing Official Representative…

    Acclaim Technical Services (Annapolis Junction, MD)
    …Qualifications: Four to eight years of experience as an IT Risk Assessor, System Security Engineer , Information Systems Security Manager or DAO ... for a Delegated Authorizing Official Representative (DAO) with a TS / SCI w/ poly to work in support...protection of data, to ensure the implementation of appropriate information security controls, and perform and analyze… more
    Acclaim Technical Services (10/03/25)
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  • Sr. Specialist, Network Systems Engineer

    L3Harris (Greenville, TX)
    …position requires an ACTIVE Secret Clearance with the ability to obtain/maintain Top Secret / SCI Security Clearance, which requires US Citizenship. ... Job Description: The Senior Specialist, Network Engineer (NE) performs technical planning, system integration, verification and...Qualifications: + US Citizenship + Ability to obtain/maintain a Top Secret / SCI Security … more
    L3Harris (12/12/25)
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  • Cybersecurity Engineer 3

    Themis Insight (Annapolis Junction, MD)
    IMPORTANT: All applicants MUST possess an active TS / SCI ( Top Secret ) Security Clearance with CI Polygraph to be considered for this position. If you ... and analysis and provides recommendations for the implementation of security mechanisms + Initiate actions to apply advanced concepts...a current list of DoD 8140/DoD 8570 IAM Level II Certifications.) Position requires TS / SCI clearance with… more
    Themis Insight (12/20/25)
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  • Senior Mechanical Engineer

    Leidos (Reston, VA)
    …**Required Skills, Education, Clearance and Experience:** + Candidate **must possess** an active TS / SCI , or a Top Secret clearance with a current SSBI, ... Business Area at Leidos is looking for a Mechanical Engineer to join our Reston, VA based team. The...and be eligible to obtain a TS / SCI w/ CI poly level clearance. US… more
    Leidos (09/26/25)
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  • Senior Data Security Architect

    CACI International (Tampa, FL)
    …and DoD 8140/8570 compliance requirements. **Qualifications:** _Required:_ + **Must** hold a current Top Secret clearance and be SCI eligible. + ... Time Type: Full time Minimum Clearance Required to Start: TS / SCI Employee Type: Regular Percentage of Travel...data discovery, classification, and protection across NIPR, SIPR, and Top Secret networks. + **Metadata & Taxonomy… more
    CACI International (12/23/25)
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