• Tyto Athene (Fairfax, VA)
    …with customer security organizations as part of a delivery pipeline to achieve Authority to Operate ( ATO ). Additionally, ISSOs review systems to identify ... Tyto Athene is searching for a **Senior Information System Security Officer (ISSO)** to be responsible for the overall...and maintain the information systems' compliance and authorization to operate ( ATO ) + Perform risk analyses to… more
    DirectEmployers Association (09/16/25)
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  • Security Authority to Operate

    General Dynamics Information Technology (Washington, DC)
    …developers to ensure secure DevSecOps pipelines + Support Authority to Operate ( ATO ) processes by generating security documentation, control evidence, ... audits + Navigate federal systems through the authorization process to achieve and maintain Authority to Operate ( ATO ) + Work with the ISSO, Program… more
    General Dynamics Information Technology (10/03/25)
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  • Cleared AWS Security / ATO

    Virtual Service Operations (Fort Meade, MD)
    …under the MPO framework. The project focuses on supporting security compliance and ATO ( Authority to Operate ) efforts for AWS cloud workloads in a ... of NIST RMF and NIST SP 800-53 + Experience authoring ATO ( Authority to Operate ) documentation and security artifacts Cloud Security & Monitoring: +… more
    Virtual Service Operations (10/18/25)
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  • Senior DevSecOps Engineer - Cloud

    UIC Government Services and the Bowhead Family of Companies (Arlington, VA)
    …guidance on secure cloud architecture patterns + Lead security assessments and Authority to Operate ( ATO ) processes + Interface with the customer ... environments. **Responsibilities** + Design and implement CI/CD pipelines incorporating security controls for cloud environments (AWS GovCloud, Azure Government,… more
    UIC Government Services and the Bowhead Family of Companies (08/02/25)
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  • Principal Cyber Security Engineer

    ManTech (Chantilly, VA)
    …activities to ensure system compliance and security posture. + Maintain system Authority to Operate ( ATO ) in alignment with cybersecurity standards and ... **MANTECH** is seeking a motivated, career-oriented **Principal Cyber Security Engineer** to join our dynamic team in **Chantilly, VA** . In this role, you will lead… more
    ManTech (10/21/25)
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  • DevSecOps Engineer

    TekSynap (Reston, VA)
    …time while maintaining security posture. + Develop and operate Authority to Operate ( ATO )-ready testing environments and compliance pipelines. + ... CI/CD workflow to enforce zero-trust principles and achieve repeatable ATO packages + Collaborate with security and...achieve repeatable ATO packages + Collaborate with security and accreditation teams to document security more
    TekSynap (09/18/25)
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  • Security Lead (On Site)

    KBR (Arlington, VA)
    …all aspects of cyber and applicable physical security . Responsible for ensuring all Authority to Operate ( ATO ) statuses for systems within the VIA ... Title: Security Lead (On Site) Belong. Connect. Grow. with KBR! Around here, we define the future. We are a company of innovators, thinkers, creators, explorers,… more
    KBR (10/17/25)
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  • Information Systems Security Engineer…

    BAE Systems (Sterling, VA)
    Authority to Develop (ATD), Interim Authority to Operation (IATT), as well as Authority to Operate ( ATO ). + Keep track of where each of the various ... customer. You will perform the following activities: + Document the various security control implementations as well as gather the artifacts that support the… more
    BAE Systems (09/09/25)
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  • Information System Security Officer…

    Amentum (Washington, DC)
    …and edit existing documentation that forms the Authority to Operate ( ATO ) package to include the System Security Plan and IS contingency plan. Develop ... developing, and navigating the system, team, and customer through the Authority to Operate ( ATO ) accreditation/certification documentation process.… more
    Amentum (09/17/25)
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  • Information System Security Officer - Mid

    Amentum (Washington, DC)
    …and edit existing documentation that forms the Authority to Operate ( ATO ) package to include the System Security Plan and IS contingency plan. Develop ... developing, and navigating the system, team, and customer through the Authority to Operate ( ATO ) accreditation/certification documentation process.… more
    Amentum (08/02/25)
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  • Insider Threat Program Information System…

    Leidos (Washington, DC)
    …or reaccredited through the DHS's certification and accreditation process. + Review all ongoing Authority to Operate ( ATO ), Authority to Connect (ATC) ... Framework (RMF) + Extensive experience with ICD-503 + Extensive experience developing security accreditation packages and achieving Authorities to Operate (ATOs)… more
    Leidos (10/24/25)
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  • Information Systems Security Engineer…

    Amentum (Fort Meade, MD)
    …MITRE ATT&CK framework to identify adversary TTPs * Experience using eMASS to manage Authority To Operate ( ATO ) processes * Experience developing and ... in using your skills to help shape the Cyber, Security , & Intel space? If so, look no further....be able to rapidly adapt and learn how to operate the front and back end of new products… more
    Amentum (10/23/25)
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  • Information Systems Security Engineer…

    BAE Systems (Sterling, VA)
    …include: + Lead the charge for achieving Authority to Operate ( ATO ) and collaborate with the Information Security Officer (ISO) to maintain ATO ... and a shared ambition to lead the world in defense technologies and national security services. We offer flexible work environment to support the balance in your… more
    BAE Systems (09/19/25)
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  • Information System Security Officer (ISSO)

    Lockheed Martin (Hanover, MD)
    …in internal/external security audits and inspections\. \- Lead the preparation of Authority to Operate \( ATO \) packages and support periodic re ... **Description:** Lockheed Martin is a pioneer in cyber security -partnering, innovating, and building cutting edge solutions\. Our talented employees tackle the… more
    Lockheed Martin (10/18/25)
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  • Information Systems Security Officer

    Amentum (Fort Meade, MD)
    …to attain Interim Authorization to Test (IATT), Authority to Connect (ATC), and Authority to Operate ( ATO ), as needed + Perform general housekeeping ... of an IA Team. Tasks and focused responsibilities include Information System security requirements and risk assessments, vulnerability scan, security test and… more
    Amentum (10/08/25)
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  • Information Systems Security Manager…

    General Dynamics Information Technology (Bethesda, MD)
    …Manage multiple projects throughout Authorization and Accreditation (A&A) process from concept to Authority to Operate ( ATO ) + Coordinate with system ... your opportunity to make a personal impact as an Information Systems Security Management professional supporting customer activities. GDIT is your place to make… more
    General Dynamics Information Technology (10/22/25)
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  • Information Security Analyst

    Systems Technologies, Inc. (Fort Meade, MD)
    …Framework (RMF) requirements and can evaluate system designs to achieve system Interim Authority to Test (IATT), Interim Authorization to Operate (IATO), and ... Information Security Analyst Location Ft. Meade, MD Job Setting On-site Job Category Information Assurance Apply Now… more
    Systems Technologies, Inc. (09/16/25)
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  • Information System Security Officer (ISSO)

    St. George Tanaq Corporation (Washington, DC)
    …a critical role in supporting the Risk Management Framework (RMF) lifecycle, maintaining Authority to Operate ( ATO ) status, and enforcing cybersecurity ... Information System Security Officer (ISSO) WFH Flexible*Remote from MD, VA,...**About the Role** We are seeking an **Information System Security Officer (ISSO)** to support our federal government customer.… more
    St. George Tanaq Corporation (08/02/25)
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  • Security Controls Assessor - Part time…

    TestPros (Sterling, VA)
    …are looking for professionals with experience in conducting NIST 800-53 Rev 5 based Authority To Operate ( ATO ) support. Responsibilities and Duties: You ... Program Management, Program Oversight, Process Audit, Intelligence Analysis, Cyber Security , NIST 800-53, NIST SP 800-171 / CMMC Consulting/Assessment/Compliance,… more
    TestPros (08/19/25)
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  • Information Systems Security Officer (ISSO)

    CGI Technologies and Solutions, Inc. (Fairfax, VA)
    …SAFe experience. Desired qualifications/non-essential skills required: . Experience with obtaining/renewing Authority to Operate ( ATO )s. Strong problem and ... **Information Systems Security Officer (ISSO)** **Category:** Cyber Security **Main location:** United States, Virginia, Fairfax **Position ID:** J1025-1393… more
    CGI Technologies and Solutions, Inc. (10/21/25)
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