• Information System Security Engineer (ISSE)…

    TekSynap (Huntsville, AL)
    …a federal agency. The team provides Information Systems Security Officer ( ISSO ), Information Systems Security Engineer (ISSE), and Information Systems Security ... Representative (ISSR) experts as a service through ISaaS to deliver vulnerability, compliance, and risk management services as part of a cybersecurity workforce. Tasks include creating a mission-focused IT security environment that supports a federal agency's… more
    TekSynap (11/30/25)
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  • IT Project Lead

    TekSynap (Huntsville, AL)
    …a federal agency. The team provides Information Systems Security Officer ( ISSO ), Information Systems Security Engineer (ISSE), and Information Systems Security ... Representative (ISSR) experts as a service through ISaaS to deliver vulnerability, compliance, and risk management services as part of a cybersecurity workforce. Tasks include creating a mission-focused IT security environment that supports a federal agency's… more
    TekSynap (11/30/25)
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  • Azure Security Sr. Engineer

    Arena Technical Resources, LLC (Washington, DC)
    …process to achieve and maintain Authority to Operate (ATO) - Work with the ISSO , Program and DOC ITD IA teams to maintain the necessary security authorizations - ... Develop comprehensive System Security Plans (SSPs) documenting all implemented NIST 800-53 controls - Coordinate security assessments with third-party assessors - Manage Plans of Actions & Milestones (POA&Ms) for addressing identified vulnerabilities - Ensure… more
    Arena Technical Resources, LLC (11/29/25)
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  • Senior Associate, Cyber Intelligence

    L3Harris (Camden, AR)
    …processes to include risk management framework (RMF), DIACAP, NISPOM + Prior ISSO /ISSM experience + DoD 8570.1 compliant certification (eg Security +, CISSP, etc.)or ... ability to attain within 6 months + Communications security (COMSEC) experience + Familiarization with one or more government compliance, regulations, and standards (NISPOM, DAAPM, RMF, JSIG, NIST 800-53) + System administrator experience with operating… more
    L3Harris (11/29/25)
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  • Information System Security Officer

    Lockheed Martin (Little Rock Air Force Base, AR)
    …800\-53, and Committee on National Security Systems Instruction \(CNSSI\) 1253\. The ISSO will be responsible for systems security, testing and system accreditation ... activities for multiple training platforms\. Successful candidates will require an understanding of Assured Compliance Assessment Solution \(ACAS\) and vulnerability scanning, development of the system security plan, maintaining the Plan of Action and… more
    Lockheed Martin (11/25/25)
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  • Systems Administrator

    Nou Systems, Inc. (Marietta, GA)
    …be the appointed System Administrator (SA) / Information System Security Officer ( ISSO ) responsible for operating, maintaining, and improving the daily operations of ... a classified computing environment. You will be collaborating with a multidisciplinary team to support independent research and development, design, and fabrication of novel radar/RF technologies. The position will include the following technical and… more
    Nou Systems, Inc. (11/25/25)
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  • Cyber Security Analyst 3

    Amentum (Waimea, HI)
    …in implementing the DoD Assessment and Authorization (A&A) procedure. + Perform all ISSO duties and responsibilities in DODI 8500.01, DODI 8510.01, and US Navy ... Policy. + Assist with handling of security events/incidents, as they are escalated, including triage, remediation, documentation, and escalation to management and government customers, as well as after-action reviews. + Oversee the working group meetings… more
    Amentum (11/23/25)
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  • Cyber Security Analyst

    ManTech (Herndon, VA)
    …and information security protocols to drive tasking and ensure compliance + ISSE/ ISSO tasking in support of documenting and navigating the customer's accreditation ... process for ATO **Minimum Qualifications:** + Bachelor's degree in a related field OR additional equivalent work experience + 5+ years of experience relevant to this position + Experience with Software Development Lifecycle, application security, Cloud… more
    ManTech (11/22/25)
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  • Program Manager

    Linchpin Solutions, Inc. (Quantico, VA)
    …Security Management System (ISMS) in coordination with the MISTC HQ ISSM/ ISSO + Maintains overall responsibility for contract quality and performance, monitors ... monthly metrics, and coordinates corrective actions for non-conformances + Collaborates with the Corporate Quality Manager to ensure QCP/QASP compliance, perform process audits, and chair the Quality Management Review Board (QMRB) + Leads continuous… more
    Linchpin Solutions, Inc. (11/22/25)
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  • Cross Domain Solutions Administrator (ONI)

    FGS, LLC (Suitland, MD)
    …configuration development to support customer and/or security requirements + Coordinate with ISSM/ ISSO in support of IATT and ATO requirements + Adhere to Risk ... Management Framework (RMF) best practices for system management + Develop and maintain system design documentation and technical SOPs + Engage with mission business owners and stakeholders to determine project design requirements + Assist team with IT… more
    FGS, LLC (11/22/25)
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