• AeroVironment (Huntsville, AL)
    …AV is looking for a highly talented Cyber Security Engineer/Information Systems Security Officer ( ISSO ) to join our team! In this role you will be part of our ... Authority to Test (IATT), Authority to Connect (ATC) and, Authority to Operate ( ATO ) packages. + Perform technical work utilizing the Risk Management Framework (RMF)… more
    DirectEmployers Association (01/14/26)
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  • COLSA Corporation (San Miguel, CA)
    …The Local Defender serves as a critical cybersecurity role that combines ISSO responsibilities with traditional Security Operations Center (SOC) and Threat Analyst ... procedural safeguards based on RMF controls. The preferred candidate is an experienced ISSO with in-depth knowledge of NIST 800-53 controls, RMF lifecycle steps, and… more
    DirectEmployers Association (01/07/26)
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  • COLSA Corporation (Huntsville, AL)
    …+ Ensure that assigned IT systems, platforms, or applications can receive an ATO or Assess Only Approval + Review existing documentation and perform edits and ... Certification & Accreditation) as it relates to achieving Authorization to Operate ( ATO ) under the Risk Management Framework (RMF) + Self-motivated and able to… more
    DirectEmployers Association (01/10/26)
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  • Tyto Athene (Santa Barbara, CA)
    …organizations as part of a delivery pipeline to achieve Authority to Operate ( ATO ) + Provide system administration of Linux systems. + Maintain an inventory of ... Experience working with and supporting a diverse team of system users. + ISSO experience, ability to develop solutions to complex IS compliance and security problems… more
    DirectEmployers Association (12/06/25)
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  • Tyto Athene (Washington, DC)
    **Description** Tyto Athene is hiring a **Senior Information System Security Officer ( ISSO )** to support one of our law enforcement customers in Washington, DC. The ... the entire Risk Management Framework (RMF) and Authorization to Operate ( ATO ) lifecycles. **Responsibilities:** + Develop and update security authorization packages… more
    DirectEmployers Association (12/27/25)
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  • Tyto Athene (Washington, DC)
    …Risk Management Framework (RMF) lifecycle, including system Authorization to Operate ( ATO ) and continuous monitoring, while ensuring privacy and legal requirements ... **Required:** + 8+ years of professional experience with at least 5 years supporting ISSO RMF activities. + Bachelor's Degree or 4 years of additional experience in… more
    DirectEmployers Association (12/23/25)
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  • Applied Research Associates, Inc. (Albuquerque, NM)
    …and customer security requirements. The ISSM will maintain Authorization to Operate ( ATO ) certifications for networked systems and ARA applications by developing IS ... of five to seven years of related experience. + Previous experience as an ISSO /ISSM is required. + DoD Directive 8570.1 IAM Level II or higher certification. +… more
    DirectEmployers Association (11/19/25)
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  • Information System Security Officer ( ISSO

    Lockheed Martin (Hanover, MD)
    …\(RMS\) division is seeking an experienced Information System Security Officer \( ISSO \) to protect mission critical information systems\. This role ensures ... day oversight across the system lifecycle\. The Information System Security Officer \( ISSO \) will serve as a primary guardian of mission critical information systems… more
    Lockheed Martin (10/18/25)
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  • Information Security Support Officer ( ISSO

    JCTM LLC (San Antonio, TX)
    …of collaboration and growth. Challenging Projects As an Information System Security Officer ( ISSO ) with JCTM, you will play a critical role in ensuring the security ... You will provide impactful support to customers as they navigate ATO , cATO, and deployment processes in dynamic operational environments. Key Responsibilities… more
    JCTM LLC (01/15/26)
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  • Senior Information Systems Security Officer…

    NANA Regional Corporation (Ashburn, VA)
    …to higher-level staff. May act as lead. + The Contractor shall identify the ISSO positions, as key personnel, to be the Designated Person(s) assigned to one or ... new work products to develop an Authority to Operate ( ATO ) and follow-on Continuous Monitored system. + As a...and follow-on Continuous Monitored system. + As a Designated ISSO , they will sign a DHS sponsored Letter that… more
    NANA Regional Corporation (01/01/26)
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  • Specialist, Information System Security…

    L3Harris (Colorado Springs, CO)
    …domains in the interest of national security. Job Title: Specialist, Cyber Intelligence ( ISSO ) Job Code: 32184 Job Location: Colorado Springs, CO Job Schedule: 9/80 ... Friday Job Description: L3Harris is seeking an Information System Security Officer ( ISSO ) to support the Space Superiority & Imaging division's customers and… more
    L3Harris (12/24/25)
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  • Information System Security Officer ISSO

    TekSynap (Ashburn, VA)
    **Responsibilities & Qualifications** **R** **ESPONSIBILITIES** Information System Security Officer ( ISSO ) acts as the Designated Person(s) assigned to one or more ... new work products to develop an Authority to Operate ( ATO ) and follow-on Continuous Monitored system. As a Designated...) and follow-on Continuous Monitored system. As a Designated ISSO , they will sign a DHS sponsored Letter that… more
    TekSynap (10/25/25)
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  • Lead Information System Security Officer…

    General Dynamics Information Technology (Mclean, VA)
    …Citizenship Required:** Yes **Job Description:** Lead Information System Security Officer ( ISSO ) **GDIT is seeking a highly skilled and multi-faceted Lead ... Information System Security Officer ( ISSO ) for a critical contract role supporting this commercial...+ Proven track record of successfully achieving and maintaining ATO for multiple classified systems under IL6, DoD RMF,… more
    General Dynamics Information Technology (12/15/25)
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  • SW ISSO

    KBR (Redstone Arsenal, AL)
    Title: SW ISSO Program Summary KBR's Missile, Aviation, and Ground Systems (MAGS) division delivers mission engineering solutions for critical US Army programs, ... Summary KBR is seeking a highly motivated Information Systems Security Officer ( ISSO ) to provide comprehensive cybersecurity support to the Army's Search Track… more
    KBR (12/06/25)
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  • Senior Associate, Cyber Intelligence ( ISSO

    L3Harris (Colorado Springs, CO)
    …Friday Job Description: L3Harris is seeking an Information System Security Officer ( ISSO ) to support the Space Superiority & Imaging division's customers and ... programs. The ISSO will perform information system security activities under the...support of obtaining or maintaining an Authority to Operate ( ATO ) for assigned information systems * Attend Change Control… more
    L3Harris (12/24/25)
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  • Information Systems Security Officer ( ISSO

    KBR (Beavercreek, OH)
    Title: Information Systems Security Officer ( ISSO ) Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced ... Summary: The selected candidate will serve in a Senior ISSO role and perform tasks related to Assessment &...Security Checklists, Privacy Impact Assessments, and Authority to Operate ( ATO ) artifacts. + Experience in developing Plan of Action… more
    KBR (12/06/25)
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  • Information System Security Officer ( ISSO

    St. George Tanaq Corporation (Annapolis, MD)
    Information System Security Officer ( ISSO ) WFH Flexible*Remote from MD, VA, DC (http://maps.google.com/maps?q=Washington+DC+USA) Job Type Full-time Description ... **About the Role** We are seeking an **Information System Security Officer ( ISSO )** to support our federal government customer. The ISSO is… more
    St. George Tanaq Corporation (11/01/25)
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  • Information Systems Security Officer ( ISSO

    CACI International (Albuquerque, NM)
    Information Systems Security Officer ( ISSO ) Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: ... program are implemented locally and across customer-related systems. + **Submitting ATO Documentation:** Prepare and submit Authority to Operate documentation to… more
    CACI International (11/28/25)
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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...impact assessments as part of the Authority to Operate ( ATO ) process. + Manage and track Plans of Action… more
    SAIC (12/20/25)
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  • Information System Security Officer ( ISSO

    Lockheed Martin (Fort Worth, TX)
    …will join the LMA Classified Cybersecurity Team as an Information Systems Security Officer \( ISSO \) on\-site at Fort Worth, Texas\. As an ISSO supporting Special ... both networked and standalone information systems \(e\.g\., Authorization To Operate \( ATO \), System Security Plan \(SSP\), Plans of Actions and Milestones \(POAM\),… more
    Lockheed Martin (12/05/25)
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