• Information System Security Officer ISSO

    TekSynap (Springfield, VA)
    **Responsibilities & Qualifications** **R** **ESPONSIBILITIES** Information System Security Officer ( ISSO ) acts as the Designated Person(s) assigned to one or more ... (ATO) and follow-on Continuous Monitored system. As a Designated ISSO , they will sign a DHS sponsored Letter that...that lays out the roles and responsibilities of the ISSO function to maintain daily compliance requirements. The … more
    TekSynap (10/25/25)
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  • Information System Security Officer ( ISSO

    CACI International (Chantilly, VA)
    Information System Security Officer ( ISSO ) Job Category: Security Time Type: Full time Minimum Clearance Required to Start: Secret Employee Type: Regular Percentage ... CACI is looking for an Information System Security Officer ( ISSO ) to support our DoD customer to implement an...to all of the NIST 800-53r5 families. The SIPR ISSO will assist in updating policies and procedures when… more
    CACI International (12/19/25)
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  • Senior Information System Security Officer…

    KBR (Chantilly, VA)
    Title: Senior Information System Security Officer ( ISSO ) Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and ... national security and shape the future of space defense. KBR is seeking a Senior ISSO to be part of our team supporting our customer in Chantilly, VA that delivers… more
    KBR (01/02/26)
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  • Information Systems Security Officer ( ISSO

    V2X (Springfield, VA)
    …responsibility, and professionalism. We are hiring a Information Systems Security Officer ( ISSO ) - active TS/SCI clearance to support our government customer based ... Responsibilities + What You'll Do + The Information Systems Security Officer ( ISSO ) ensures the appropriate operational security posture is maintained for specific… more
    V2X (12/04/25)
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  • ISSO

    SAIC (Chantilly, VA)
    **Description** SAIC is seeking an **Information Systems Security Officer ( ISSO )** to provide critical cybersecurity governance, compliance, and security oversight ... of systems across the full end‑to‑end lifecycle. As an ** ISSO ** , you will play a key role in...**7+ years of Information Security experience. Preferrable as an ISSO , ISSE, or DAOR.** + **Demonstrated experience implementing the… more
    SAIC (12/20/25)
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  • ISSO - TS/SCI with Polygraph

    General Dynamics Information Technology (Chantilly, VA)
    …Required:** None **Job Family:** Cyber and IT Risk Management **Skills:** ISSO ,RMF,System Security **Experience:** 8 + years of related experience **US Citizenship ... while impacting our national security in cyber as an ISSO at GDIT. Here, technologists have many paths to...across the federal government. We are seeking an experienced ISSO capable of working within Greenlight and assigned onsite… more
    General Dynamics Information Technology (12/11/25)
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  • ISSO /Systems Security Engineer

    UIC Government Services and the Bowhead Family of Companies (Dahlgren, VA)
    **Overview** ** ISSO /SYSTEMS SECURITY ENGINEER (RDTE)** Bowhead is seeking a skilled full-time ISSO /Systems Security Engineer to join our team in Dahlgren, VA. ... The ideal candidate will assure all Information Systems (IS), Government desktops, and corporate network components, unclassified and classified, adhere to and are certified in accordance with the latest versions of guidance such as NAVSEA, DoN, DoD, US… more
    UIC Government Services and the Bowhead Family of Companies (01/08/26)
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  • Information System Security Office ( ISSO )

    Leidos (Chantilly, VA)
    …the next capabilities. **Job Description:** The Information System Security Officer ( ISSO ) is responsible for maintaining the security posture of assigned ... 800-53, JSIG, RMF, and other applicable DoD and agency regulations. The ISSO will ensure compliance with security policies, manage system security documentation,… more
    Leidos (01/07/26)
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  • Information System Security Officer ( ISSO

    KBR (Chantilly, VA)
    Title: Information System Security Officer ( ISSO ) - Junior Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and ... KBR is seeking a highly motivated and career-oriented Information System Security Officer ( ISSO ) - Junior to join our team supporting a government client in… more
    KBR (11/21/25)
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  • Information System Security Officer ( ISSO

    Parsons Corporation (Chantilly, VA)
    …what's possible. **Job Description:** Parsons is looking for a talented **Level 2** ** ISSO ** to join our growing team! In this role you will develop, maintain, ... skills + Management experience + Ability to coach and develop junior ISSO 's **Security Clearance Requirement:** An active Top Secret SCI w/Polygraph security… more
    Parsons Corporation (11/07/25)
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  • Top Secret ISSO

    Insight Global (Quantico, VA)
    …Responsible for the overall maintenance of the government's information technology security systems and protocols. * Design and implement security measures for ... hardware, software, and network platforms to ensure protection from cyber-attacks and any other possible harmful intrusions that could compromise or damage the government's data and network infrastructure. * Assess existing cybersecurity systems and protocols… more
    Insight Global (12/09/25)
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  • Information System Security Manager (ISSM)

    Linchpin Solutions, Inc. (Quantico, VA)
    …VA; routine travel to <20%, CONUS/OCONUS Role Overview: The ISSM/ ISSO provides enterprise-wide cybersecurity oversight, compliance management, and accreditation ... Senior Systems Engineer, Systems Engineers, and Systems Administrators, the ISSM/ ISSO manages RMF lifecycle documentation, risk assessments, cybersecurity inspections,… more
    Linchpin Solutions, Inc. (11/22/25)
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  • Senior Information Assurance SME with a TS/SCI

    NANA Regional Corporation (Alexandria, VA)
    …efforts. In this senior role, the Lead Information System Security Officer ( ISSO ) will drive the development, implementation, and governance of security programs, ... accuracy, and continuous maintenance of System Security Plans (SSPs) and all ISSO deliverables, ensuring full compliance with NIST, FISMA, and DoD cybersecurity… more
    NANA Regional Corporation (01/07/26)
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  • Information System Security Manager

    Parsons Corporation (Fort Belvoir, VA)
    …guest systems, interconnected system with another organization) + The ISSM shall assume ISSO responsibilities in the absence of the ISSO . + Maintain required ... or modifications to hardware, software, or firmware must be coordinated with the ISSM/ ISSO and appropriate AO prior to the addition, change or modification. + Serve… more
    Parsons Corporation (10/23/25)
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  • Information System Security Officer

    Chenega Corporation (Oakton, VA)
    **Req ID:** 38767 **Summary** **Information System Security Officer ( ISSO )** **Oakton, VA** Are you ready to enhance your skills and build your career in a rapidly ... SecuriGence is seeking a talented **Information System Security Officer ( ISSO )** to help contribute to our success. Come help...activities within the A&A cycle and outside of the ISSO functions, work directly with ISSM, ISO, and AO,… more
    Chenega Corporation (12/30/25)
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  • Information Systems Security Engineer

    TekSynap (Chantilly, VA)
    …SDA Risk Management Framework (RMF) standards for the performance of the ISSO role, the recommendations comply with the Federal Information Security Modernization ... in place and are security compliant. Work with Information Systems Security Officer ( ISSO ) and Project Manager(s) as required. TekSynap is a fast growing high-tech… more
    TekSynap (12/06/25)
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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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  • Cleared Information Systems Security Engineer…

    Virtual Service Operations (Lorton, VA)
    …system and organizational security posture trends; provide findings to the ISSM/ ISSO . + Recommend cybersecurity measures and mitigations based on evolving threats ... and vulnerabilities. + Implement security controls in alignment with DoD policies and principles of confidentiality, integrity, availability, authentication, and non-repudiation. + Recommend and plan modifications based on exercise results and security testing… more
    Virtual Service Operations (01/02/26)
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  • Security Manager

    Chenega Corporation (Lorton, VA)
    …on contract requirements. + Serve as the Information System Security Officer ( ISSO ) for automated information systems that process classified information. + Prepare ... and maintain the Automated Information System Security Plans (AISSP) and provide oversight to ensure compliance with government-specified operational requirements. + Maintain a database of all cleared employees. + Maintain a personnel security file for all… more
    Chenega Corporation (12/01/25)
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  • Cleared Senior Information Systems Security…

    Virtual Service Operations (Lorton, VA)
    …and organizational security posture trends and report findings to the ISSM/ ISSO . + Recommend cybersecurity measures based on significant threats and vulnerabilities. ... + Implement security controls in alignment with confidentiality, integrity, availability, authentication, and non-repudiation principles. + Develop and recommend modifications based on exercise or test results. + Mitigate or recommend acceptance of identified… more
    Virtual Service Operations (11/09/25)
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