• COLSA Corporation (Kingsport, TN)
    …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 (09/12/25)
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  • Tyto Athene (Fairfax, VA)
    …Tyto Athene is searching for a **Senior Information System Security Officer ( ISSO )** to be responsible for the overall handling of information assurance expertise ... of a delivery pipeline to achieve Authority to Operate ( ATO ). Additionally, ISSOs review systems to identify potential security...of 5 years of relevant functional experience as an ISSO or Security Analyst. + PMP certification + Familiarity… more
    DirectEmployers Association (09/16/25)
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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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  • ATO ISSO

    SAIC (Pearl City, HI)
    **Description** SAIC has an opportunity for an ** ATO ISSO ** in **Pearl City, Hawaii** to support the **US INDOPACOM** documenting security controls and creating ... Authority to Operate ( ATO ) packages. **JOB DESCRIPTION:** + Documenting security controls in...NIST SP 800-53A rev4 + Create Authority to Operate ( ATO ) packages + Validate vulnerability/risk assessment analysis to support… more
    SAIC (11/26/25)
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  • Information Security Analyst Advisor- Il6 (Azure…

    General Dynamics Information Technology (MD)
    …Navigate federal systems through the authorization process to achieve and maintain Authority to Operate ( ATO ) + Work with the ISSO , Program and DOC ITD IA teams ... security controls to receive and maintain an Authorization to Operate ( ATO ) along with tracking and maintaining certification information databases, websites and… more
    General Dynamics Information Technology (10/03/25)
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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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  • Junior Information Systems Security Officer…

    RedTrace Technologies Inc (Washington, DC)
    …and Cyber Defense support. Position Description: We are seeking a Junior Level ISSO to carry out the following duties and responsibilities: + Services to support ... IS Security performed by the Information System Security Officer ( ISSO ) at a minimum, shall consist of the following...for agency ISs to maintain security Authorized To Operate ( ATO ) + Upload all security control evidence to the… more
    RedTrace Technologies Inc (11/21/25)
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  • Information System Security Officer ( ISSO

    CACI International (Chantilly, VA)
    Information System Security Officer ( ISSO ) Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph ... Join Our Dynamic Cybersecurity Team as an Information Systems Security Officer ( ISSO )!** Are you passionate about cybersecurity and eager to make a significant… more
    CACI International (10/31/25)
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  • Information System Security Officer ( ISSO

    TekSynap (Washington, DC)
    …Information Security (IS) performed by the Information System Security Officer ( ISSO ) includes the following activities: + Ensure the day-to-day implementation, ... federal agency systems to maintain security Authorized To Operate ( ATO ) + Upload all security control evidence to the...5 years serving as an Information Systems Security Officer ( ISSO ) at a cleared facility. + Minimum of 7… more
    TekSynap (11/22/25)
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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 (10/29/25)
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