• National Security Sector Referrals

    Leidos (Reston, VA)
    …+ Reverse Engineer/Embedded Engineer + Systems Administration - Linux + Information Security Systems Engineer/Officer (ISSE/ ISSO ) + Data Scientist + Systems ... **Description** **Leidos** has new and exciting opportunities in our **National Security Sector's** **(NSS) Cyber & Analytics Business Area (CABA)** . Our talented… more
    Leidos (10/18/25)
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  • Information Systems Security Engineer…

    Nightwing (Sterling, VA)
    …switches, and firewalls + DoDD 8570/8140 IAM Level 2 professional certification (eg, Security +, CISSP, CISSM, etc.) + Prior ISSM/ ISSO or alternate ISSM/ ISSO ... recognition and reward system, and performance-based bonuses **Information Systems Security Engineer (ISSE) (Open)** Nightwing seeks a cybersecurity professional to… more
    Nightwing (08/27/25)
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  • Information System Security Officer

    Parsons Corporation (Centreville, VA)
    …technical field, or equivalent experience + 5+ years of relevant experience as an ISSO + Must have a Security + Certification + Knowledge of Risk Management ... technology in support of STIGs, CONOPS, POA&M to maintain security /regulatory and corporate policies/compliance requirements + Implementing and maintaining systems… more
    Parsons Corporation (09/04/25)
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  • RMF Test & Evaluation SME (TS/SCI) (Hybrid)

    Koniag Government Services (Washington, DC)
    …with assessment teams (including system owner, developer, cybersecurity engineering, test-eval, ISSM/ ISSO ) to execute security control assessments, Red/Blue Team ... on test planning, execution, independent verification, and validation of security , resiliency, survivability, and continuous monitoring activities. They will partner… more
    Koniag Government Services (11/01/25)
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  • Cross Domain Solutions Administrator (ONI)

    FGS, LLC (Suitland, MD)
    …and components + Functional software configuration development to support customer and/or security requirements + Coordinate with ISSM/ ISSO in support of IATT ... Citizenship** **Employment Term and Type: Regular, Full Time** **Required Security Clearance: TS/SCI** **Required Education: High School or equivalent experience**… more
    FGS, LLC (08/23/25)
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  • Information System Security Officer…

    General Dynamics Information Technology (Mclean, VA)
    …Seize your opportunity to make a personal impact as an Information Systems Security Officer supporting customer activities. GDIT is your place to make meaningful ... career. At GDIT, people are our differentiator. As a ISSO ​, you will help ensure today is safe and...skilled team to be a premier provider of cyber security services to the customer. We provide consummate cyber… more
    General Dynamics Information Technology (09/23/25)
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  • Cyber Security SME

    Steampunk (Mclean, VA)
    …Security Officer with an appetite for taking on new challenges. **Contributions** The ** ISSO ** serves as a Cyber Security Specialist and will perform Level II ... ISSO and/or ISSO support responsibilities to include: + Ensuring the confidentiality,...confidentiality, integrity, and availability of information systems by applying security principles, processes, and tools. + Maintaining compliance with… more
    Steampunk (09/11/25)
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  • Information System Security Manager

    Parsons Corporation (Fort Belvoir, VA)
    …possible. **Job Description:** Parsons is looking for an amazingly talented **Information Systems Security Manager (ISSM)** to join our team! In this role you will ... get to use your knowledge of IT security principles, concepts, and methods, to recommend appropriate technical...system with another organization) + The ISSM shall assume ISSO responsibilities in the absence of the ISSO… more
    Parsons Corporation (10/23/25)
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  • Modernization Information Systems Security…

    Lockheed Martin (Hanover, MD)
    …seeking professionals interested in a variety of responsibilities including; * Information systems security For a complete list that changes weekly, use this term to ... to undermine our way of life\. As a cyber security professional at Lockheed Martin, you'll protect the networks...or GED plus nineteen \(19\) years experience as an ISSO OR * A Bachelor's degree in Computer Science… more
    Lockheed Martin (09/25/25)
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  • Cybersecurity Information System Security…

    Zantech (Washington, DC)
    …our team! Zantech is looking for a talented Cybersecurity Information System Security Officer to be responsible for technical cybersecurity efforts in coordination ... with the Lead ISSO , for an upcoming Onsite role supporting FEMA based...systems + Quantify and communicate technical risk + Conduct security control assessments + Develop and maintain security… more
    Zantech (09/25/25)
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