• Information System Security Officer

    Chenega Corporation (Oakton, VA)
    …then allowed one day per week. + Ensuring that Stakeholders adhere to Federal Information Assurance policies and procedures to acquire and maintain an ... Information System's Authority to Operate (ATO) under the Federal Information Security Management Act (FISMA) of 2002. + Lead RMF A&A efforts, including… more
    Chenega Corporation (12/30/25)
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  • Senior SaaS Security Engineer

    CoStar Realty Information, Inc. (Arlington, VA)
    Senior SaaS Security Engineer Job Description **Overview** CoStar Group (NASDAQ: CSGP) is a leading global provider of commercial and residential real estate ... information , analytics, and online marketplaces. Included in the S&P...edge in real estate. We're hiring a **Senior SaaS Security Engineer** to help us evolve our corporate environment… more
    CoStar Realty Information, Inc. (11/04/25)
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  • Security Analyst II- TS/SCI w/Poly

    General Dynamics Information Technology (Chantilly, VA)
    …to, SCT, DISS, Scattered Castles, etc. + Maintain confidentiality of assets and information pertaining to personnel security . + Elicit, articulate, and document ... None **Job Family:** Intelligence Operations and Analysis **Skills:** Communication,Data Entry, Security **Experience:** 2 + years of related experience **US… more
    General Dynamics Information Technology (12/06/25)
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  • Office Manager

    JCTM LLC (Washington, DC)
    …from multiple data sources. + Support cybersecurity and information assurance compliance by coordinating with security protocols, including processing visit ... instrumental in enabling executive decision-making by managing correspondence, records, security access, and classified meetings with precision and confidentiality.… more
    JCTM LLC (01/08/26)
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  • Information Systems Security Officer

    ManTech (Fort Meade, MD)
    …you will provide support for a program, organization, system, or enclave's information assurance program and provide support for proposing, coordinating, ... ManTech is currently looking for an ** Information Systems Security Officer (ISSO)** to join our team in the **Ft. Meade, MD area** . In this role,… more
    ManTech (12/17/25)
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  • Information System Security Officer…

    Leidos (Colorado Springs, CO)
    … System Security Officer (ISSO)** to support a high-impact program providing Information Assurance services to the **U.S. Space Force** . This role offers ... apply government security regulations (FIPS, NIST, NISPOM, JSIG, ICDs) to information systems + Expertise in securing Windows, Linux, and UNIX environments using… more
    Leidos (01/07/26)
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  • Senior Linux Administrator Team Lead

    General Dynamics Information Technology (Falls Church, VA)
    …the appropriate baseline certification(s) to achieve DoD 8570.01-M Information Assurance Technical (IAT) Level II (CompTIA Security + ce) and additional ... Engineer (RHCE) | Red Hat - Red Hat, CompTIA Security + CE | CompTIA - CompTIA **Experience:** 5 +...school diploma or AA. Preferred - Bachelor's degree in information technology, computer science or a related technical discipline,… more
    General Dynamics Information Technology (10/25/25)
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  • Security Subject Matter Expert (SME)

    General Dynamics Information Technology (Fairfax, VA)
    …IT Risk Management **Skills:** Identity Access Management (IAM),Platform Security ,Single Sign-On (SSO),Vulnerability Management,Zero Trust **Experience:** 10 + years ... of related experience **Job Description:** ** Security Subject Matter Expert (SME)** The Security ...attestations, identity-centric access, and immutable backups, you will raise assurance while reducing toil and mean time to recover.… more
    General Dynamics Information Technology (01/14/26)
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  • Cyber Security RMF Support

    KBR (El Segundo, CA)
    …computer information systems + Minimum 2 years of continuous Information Systems, Information Assurance /Cybersecurity (IA/CS) experience. + Understanding ... information systems. + Experience identifying Common Criteria and National Information Assurance Partnership (NIAP) certified technologies and the DISA… more
    KBR (01/19/26)
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  • ISSO/Systems Security Engineer

    UIC Government Services and the Bowhead Family of Companies (Dahlgren, VA)
    … security procedures and practices, in accordance with the NSWCDD Information Assurance and Compliance Office standards and administer approved procedures ... Ports, Protocols, and Services (PPS), Public Key Infrastructure (PKI), and DoD Information Assurance Vulnerability Management (IAVM) policies and standards. +… more
    UIC Government Services and the Bowhead Family of Companies (01/08/26)
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