• Information Systems Security Engineer

    ManTech (Annapolis Junction, MD)
    **MANTECH** seeks a motivated, career and customer-oriented ** Information Systems Security Engineer ( ISSE )** to join our team in the **Annapolis Junction, MD.** ... or CompTIA's Advanced Security Practitioner (CASP). **Clearance Requirements:** + Must have a TS / SCI w/ Poly **Physical Requirements:** + The person in this… more
    ManTech (11/19/25)
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  • Information Systems Security Engineer III

    Amentum (Columbia, MD)
    …Professional (ISSEP) and CISSP Certifications are required. **Clearance Required:** + Active TS / SCI with Poly **Minimum Education:** + Bachelor's degree in ... We are seeking a Information Systems Security Engineer LV3 for a prime...requirements **Requirements:** + Twenty (20) years experience as an ISSE on programs and contracts of similar scope, type,… more
    Amentum (11/12/25)
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  • Information Systems Security Engineer…

    Amentum (Fort Meade, MD)
    …on DoD prototype or rapid acquisition programs **Clearance Required:** * Must have active Top Secret clearance with SCI eligibility **Minimum Education:** * ... and back end of new products and processes. **Responsibilities:** The **Senior Information Systems Security Engineer ( ISSE )** shall deliver and lead… more
    Amentum (10/23/25)
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  • Cross Domain Solutions Administrator (ONI)

    FGS, LLC (Suitland, MD)
    …**Employment Term and Type: Regular, Full Time** **Required Security Clearance: TS / SCI ** **Required Education: High School or equivalent experience** **Salary ... Requirements + High School diploma or equivalent Security Clearance Requirements: + TS / SCI Physical Requirements: + Sitting 70% Standing 30%, Climbing 0%,… more
    FGS, LLC (11/22/25)
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  • System Administrator

    CACI International (Chantilly, VA)
    Information Technology Time Type: Full time Minimum Clearance Required to Start: TS / SCI with Polygraph Employee Type: Regular Percentage of Travel Required: ... and resolves hardware, software, and communications problems. Required qualifications: + ** TS / SCI with Polygraph** + Security+ Certification (IAT level 2… more
    CACI International (10/24/25)
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  • Information Systems Security Engineer

    Belay Technologies (Laurel, MD)
    Information Systems Security Engineer (Level 2/3) to join our intel team. The ​ Information Systems Security Engineer ﴾ ISSE ﴿ Skill Level 3 will join a team of ... administrators for remediation Ed Candidates should have the following qualifications: + TS / SCI Clearance with polygraph + Fifteen (15) years' experience as… more
    Belay Technologies (11/19/25)
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  • Information Systems Security Engineer 2

    ARSIEM (Annapolis Junction, MD)
    …risk analysis, and risk management Clearance Requirement : This position requires an active TS / SCI with a polygraph. You must be a US citizen for consideration. ... on every client you work with. ARSIEM seeks an Information Systems Security Engineer 2 . This position will...Qualifications + Twelve (12) years of experience as an ISSE on programs and contracts of similar scope, type,… more
    ARSIEM (10/14/25)
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  • Information Systems Security Officer

    TekSynap (Washington, DC)
    …focus. **WORK AUTHORIZATION/SECURITY CLEARANCE** Citizenship: US Citizenship Clearance requirement: TS / SCI , eligible for CI Poly **OTHER INFORMATION ** Please ... as well as developing waivers,exceptions, and risk acceptance documents for information systemvulnerabilities. + Coordinateswith engineering ISSE and system SMEs… more
    TekSynap (11/06/25)
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  • Security Engineer/Architect (Hybrid)

    Huntington Ingalls Industries (Fort Belvoir, VA)
    …+ Other duties as assigned. Minimum Qualifications + Security Clearance - A current TS / SCI level US Government clearance with CI Poly is required; US Citizenship ... Enlighten, honored as a Top Workplace from USA Today, is a leader...+ Must be able to grasp new concepts, facilitate information exchanges for data gathering, and collaborate with diverse… more
    Huntington Ingalls Industries (09/12/25)
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  • National Security Sector Referrals

    Leidos (Reston, VA)
    …Engineer + Reverse Engineer/Embedded Engineer + Systems Administration - Linux + Information Security Systems Engineer/Officer ( ISSE /ISSO) + Data Scientist + ... of a degree + Clearance Preferred (and commonly required): TS / SCI with Polygraph. At **Leidos** , we...the fiscal year ended January 3, 2025. For more information , visit www.Leidos.com . **Pay and Benefits** Pay and… more
    Leidos (10/18/25)
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