• Information System Security Engineer ( ISSE

    Assertive Professionals (Chantilly, VA)
    Information System Security Engineer ( ISSE ) About the Organization Established in 2015,AssertiveProfessionals(AP), is anEconomically Disadvantaged Woman Owned Small ... Pipeline Description Assertive Professionalsis seeking anInformation System Security Engineer ( ISSE ) with Poygraph supporting ourNational Security Customer in Chantilly,… more
    Assertive Professionals (10/09/25)
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  • ISSE (Hybrid)

    Huntington Ingalls Industries (Columbia, MD)
    …Job Description Enlighten is looking for an Information Systems Security Engineer ( ISSE ). Candidate will perform system or network designs that encompass multiple ... clearance is required; US Citizenship required. + 9+ years of experience as an ISSE with large multi-tiered programs and Bachelors in related field; OR 7 years… more
    Huntington Ingalls Industries (11/06/25)
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  • ISSE Senior - with TS/SCI Poly

    Amentum (Columbia, MD)
    …Security, & Intel space? If so, look no further. Amentum is seeking a **Senior ISSE ** to join our team of passionate individuals in **Columbia, MD** . In this role ... a direct impact on the Nation's security and intelligence mission. As the Senior ISSE on a dynamic team, you will perform technical security assessments of computing… more
    Amentum (10/14/25)
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  • Information Systems Security Engineer…

    Koniag Government Services (Washington, DC)
    …Koniag Government Services company, is seeking an Information Systems Security Engineer ( ISSE ) with Top Secret security clearance to support Kadiak in Washington, ... DC. _This position is for a Future New Business Opportunity._ We offer competitive compensation and an extraordinary benefits package including health, dental and vision insurance, 401K with company matching, flexible spending accounts, paid holidays, three… more
    Koniag Government Services (12/10/25)
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  • Information Systems Security Engineer…

    General Dynamics Information Technology (Mclean, VA)
    …+ years of related experience **US Citizenship Required:** Yes **Job Description:** The ISSE will support our work on assessment and authorization (A&A) of critical ... systems, detection of adversary behavior, and improving the defensive posture of our customer's information systems. The successful candidate will use various tools and methodologies to evaluate the state of systems and applications for vulnerabilities, verify… more
    General Dynamics Information Technology (01/02/26)
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  • Sr. ISSE TS/SCI Poly

    Leidos (Annapolis Junction, MD)
    **Description** **Leidos** has a new and exciting opportunity for a **Sr. ISSE ** in our **National Security Sector's (NSS) Cyber & Analytics Business Area (CABA)** . ... Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At **Leidos** , we offer **competitive… more
    Leidos (11/15/25)
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  • Information Systems Security Engineer Level 1…

    ARSIEM (Columbia, MD)
    …A minimum of 7 years of experience as an Information System Security Engineer ( ISSE ) on programs and contracts of similar scope, type, and complexity is required. + ... Bachelor's degree in Computer Science, Information Assurance, Information Security System Engineering, or related discipline from an accredited college or university is required. + Note: Four (4) years of additional lSSE experience may be substituted for a… more
    ARSIEM (12/11/25)
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  • Information Systems Security Engineer Level 3…

    ARSIEM (Columbia, MD)
    …for two (2) years of experience. + Four (4) years of additional ISSE experience may be substituted for a Bachelor's degree. + Experience supporting security ... authorization activities in compliance with: + NSA/CSS Information System Certification and Accreditation Process (NISCAP) + DoD Risk Management Framework (RMF) + NIST Risk Management Framework (RMF) + NSA/CSS business processes for security engineering.… more
    ARSIEM (11/01/25)
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  • Information System Security Engineer ( ISSE

    GCyber (Alexandria, VA)
    …and Experience: + Active DoD Secret Clearance + Bachelor's with 8+ years of cybersecurity experience (or commensurate experience) + 6+ years of experience supporting ... GCyber is seeking an Information System Security Engineer, to support a government customer. The ISSO will be responsible for maintaining compliance, ensuring operational security posture, and coordinating security documentation and activities across multiple… more
    GCyber (11/04/25)
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  • Senior Information Systems Security Engineer

    Belay Technologies (Laurel, MD)
    …finalist in 2021! Belay Technologies is seeking a Senior Information Systems Security Engineer ( ISSE ) to join our intel team. The ISSE shall perform, or review, ... Assurance (IA) standards and regulations, and recommend mitigation strategies. The ISSE validates and verifies system security requirements definitions and analysis… more
    Belay Technologies (12/08/25)
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