• Information System Security Officer

    ManTech (Stafford, VA)
    …be capable of independently completing all required system accreditation paperwork to obtain an Authority to Operate ( ATO ), Authority to Connect (ATC) ... MANTECH seeks an Information System Security Officer to support the Marine Corps Warfighting Laboratory, Science & Technology Division in Stafford, VA… more
    ManTech (09/26/25)
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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 ... and sustainment support for critical military platforms and systems. Intelligence & Security provides services and products to the Department of Defense, the… more
    BAE Systems (09/20/25)
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  • Splunk Security Engineer (TS/SCI) (Ft.…

    SMX (Fort Belvoir, VA)
    …redundancy. + Compliance and Security : + Maintain RMF (Risk Management Framework) ATO ( Authority to Operate ) compliance for the Splunk system, ensuring ... Splunk Security Engineer (4672) (TS/SCI) (Ft. Belvoir, VA)at SMX(View...managing Splunk environments to support the organization's data analytics, security , and operational goals. This role focuses on onboarding… more
    SMX (10/03/25)
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  • Lead Information Security Engineer-Federal…

    Lumen (Richmond, VA)
    …(ISSO) for government system + Achieve and maintain ATO ( Authority to Operate ), as required. + Write System Security Plans (SSP), Plan of Actions & ... and shape the future. **The Role** The Lead Information Security Engineer is a member of the Industrial ...Security Engineer is a member of the Industrial Security team supporting Lumen Government Services and is responsible… more
    Lumen (10/01/25)
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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 Engineer…

    CACI International (Hampton, VA)
    …and accreditation process to include Assessment & Authorization (A&A) of an IT system to Authority to Operate ( ATO ). + Knowledge and experience in generating ... Information Systems Security Engineer (ISSE) Job Category: Information Technology Time...* **The Opportunity:** CACI is seeking an Information Systems Security Engineer (ISSE) to support our Air Force Distributed… more
    CACI International (08/13/25)
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  • Information Systems Security Engineer

    SAIC (Chantilly, VA)
    …Subject Matter Experts (SMEs) on developing authorization packages in support of Achieving Authority to Operate ( ATO ) with required timelines. + Participate ... **Description** SAIC is seeking an experienced Information Systems Security Engineer (ISSE) for a position located in Chantilly, VA. The successful candidate will… more
    SAIC (08/07/25)
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  • Information System Security Officer (ISSO)

    St. George Tanaq Corporation (Richmond, VA)
    …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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  • Information System Security Officer ISSO

    TekSynap (Ashburn, VA)
    …well as new IT Systems that are slated as new work products to develop an Authority to Operate ( ATO ) and follow-on Continuous Monitored system. As a ... **Responsibilities & Qualifications** **RESPONSIBILITIES** Information System Security Officer (ISSO) acts as the Designated Person(s) assigned to one or more… more
    TekSynap (07/26/25)
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  • Information System Security Specialist…

    Watershed Security (Norfolk, VA)
    …and maintenance of process artifacts, traceability documents purposed for compliance with Authority to Operate ( ATO ) requirements. + The specialist ... JOB DESCRIPTION Watershed Security is looking for an RMF practitioner to...customer engagement skills + Candidate shall be familiar with security policies & guidance documents to assist with the… more
    Watershed Security (09/23/25)
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