• Senior Information Systems Security…

    Leidos (Orlando, FL)
    … security management of: (1) NIST FIPS-199 Moderate or High systems ; or (2) National Security Systems as defined in CNNSI 1253. + Strong written and ... **Description** The Multi-Domain Solutions Division within National Security at Leidos has an...has an opening for a **Secret cleared Senior Information Systems Security Engineer (ISSE)** to work in… more
    Leidos (07/24/25)
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  • Information Systems Security Officer

    Leidos (Port Hueneme, CA)
    …SANS GSLC, ISACA CISM, or ISC2 CISSP. + In-depth understanding of Committee on National Security Systems (CNSS), NIST 800 Series Special Publications, Joint ... and requirements for certification and accreditation (C&A). + Experience developing and reviewing security concept of operations, systems security plans, … more
    Leidos (07/30/25)
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  • Cyber Systems Security Engineer…

    Lockheed Martin (Marietta, GA)
    …the Joint Special Access Program \(SAP\) Implementation Guide \(JSIG\), Committee on National Security Systems Instruction \(CNSSI\) 1253, and NIST ... systems commensurate with customer needs\. Hands\-on experience with security \-related documentation and processes for obtaining ATOs\. Knowledge of software… more
    Lockheed Martin (07/31/25)
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  • Information System Security Officer (ISSO)

    Pacific Northwest National Laboratory (Richland, WA)
    …organizations and agencies. **Onsite work 5 days/week required for work on National Security Systems .** **Qualifications** Minimum Qualifications: + BS/BA ... of the world's toughest challenges in science, energy, and national security . Our experts in AI, cybersecurity,... vulnerabilities. + Risk Management: Identify, assess, and prioritize security risks to information systems . Develop and… more
    Pacific Northwest National Laboratory (08/08/25)
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  • Technical Lead Member Engineering Staff…

    L3Harris (Camden, NJ)
    …expertise throughout the Systems Engineering process to develop and successfully certify National Security systems on time, within the allotted budget, ... cyber domains in the interest of national security . Job Title: Technical Lead - Embedded Systems...of systems and equipment that protect classified National Security information. S/he will be responsible… more
    L3Harris (07/23/25)
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  • Security Control Assessor (SCA) (TS/SCI)

    Tau Six (Chantilly, VA)
    … systems to join a team of security professionals and help defend national security systems . Tau Six, an agile small company delivering cutting edge ... edge cybersecurity and system integration services to the US National Security market. We are seeking a...and systems integration services to the US National Security market, has an immediate need… more
    Tau Six (07/23/25)
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  • Cyber Security Engineer Staff (Embedded)

    Lockheed Martin (Grand Prairie, TX)
    …in order to meet program requirements **Desired Skills:** * Experience developing embedded DoD National Security Systems \(NSS\) requiring Systems ... Engineering \(SSE\) process in development of Department of Defense \(DoD\) Weapon Systems * Assessing and mitigating System Security threats/risks throughout… more
    Lockheed Martin (07/12/25)
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  • Cyber Security Analyst, Senior

    TekSynap (Chantilly, VA)
    …to maintain compliance with applicable security regulations, such as Committee on National Security Systems Instructions (CNS SI), National Institute ... Years, MS 3-5, PhD 0-2 **PREFERRED QUALIFICATIONS** ** ** + Certified Information Systems Security Professional (CISSP) + CompTIA Security + Cloud provider… more
    TekSynap (05/24/25)
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  • SAP NS2 Senior Information Security…

    SAP (Herndon, VA)
    …public speaking skills required . Knowledge of DISA STIGs and SRGs, Committee for National Security Systems Instructions and NIST Risk Management Framework . ... market leader for business software and related services. SAP National Security Services Inc.(R) (SAP NS2(R)) is...Experience:** . Demonstrated knowledge and the ability to analyze systems for Cybersecurity compliance . Ability to work in… more
    SAP (08/08/25)
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  • Information System Security Engineer,…

    BOOZ, ALLEN & HAMILTON, INC. (Lexington, MA)
    …( NIST ) Spe cia l Publication 800-53 security controls and the Committee on National Security Systems Instruction 1253. Apply systems security ... Security Engineer, Senior Key Role: Maintain responsibility for all Information Systems Security Engineer ( ISSE ) duties in support of Department of Defense… more
    BOOZ, ALLEN & HAMILTON, INC. (07/25/25)
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