• Senior Information System…

    The MITRE Corporation (Mclean, VA)
    Security Services Division (R300) is looking to fill a Senior Information Systems Security Officer position, with a focus on classified environments. ... other security documentation. + Serve as the Senior Information Systems Security Officer (ISSO), maintaining operational security posture and… more
    The MITRE Corporation (10/25/25)
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  • Senior Information System…

    Leidos (Annapolis Junction, MD)
    **Description** **Leidos** has a new and exciting opportunity for a Senior Information System Security Officer in our **National Security Sector's ... us and make a difference in National Security !** ** Senior Information System Security Officer (ISSO)** Leidos currently has an opening for a **… more
    Leidos (12/06/25)
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  • Senior Information System…

    Innovative Management & Technology Services (Clarksburg, WV)
    …the best customers on-site at top government agencies. Job Title: Senior Information System Security Officer (ISSO) Primary Location: Clarksburg, WV - ... We are seeking a highly skilled and mission-driven Senior Information Systems Security Officer (ISSO) to join our cybersecurity team supporting a… more
    Innovative Management & Technology Services (10/29/25)
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  • Senior Information System…

    KBR (Chantilly, VA)
    Title: Senior Information System Security Officer (ISSO) Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end ... the organization's critical information assets, ensuring compliance with relevant security policies, standards, and regulations. The Senior ISSO will help… more
    KBR (10/15/25)
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  • Senior Information Systems…

    Leidos (Annapolis Junction, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Senior Information Systems Security Officer (ISSO)** in our **National Security ... for a 15k sign on bonus!** **Job Summary:** The ** Senior ISSO** plays a vital role in securing and...Qualifications:** + Bachelor of Science degree in Computer Science, Information Assurance, Information Security , or… more
    Leidos (12/02/25)
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  • Special Access Programs (SAP) - Senior

    RTX Corporation (Andover, MA)
    …safer, more secure world. Our cybersecurity team is seeking an ** Senior ** ** Information System Security Officer (ISSO)** to support **Special Access ... facility in **Andover, Massachusetts.** The successful candidate will interface with the Information Systems Security Manager (ISSM) to assist with compliance… more
    RTX Corporation (12/09/25)
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  • Senior Information System…

    RTX Corporation (Woburn, MA)
    …a safer, more secure world. Our cybersecurity team is seeking a ** Senior Information Systems Security Officer (ISSO)** to support our team **100% ... facility in **Woburn, Massachusetts.** The successful candidate will interface with the Information Systems Security Manager (ISSM) to ensure adherence with NIST… more
    RTX Corporation (11/19/25)
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  • Senior Information Systems…

    NANA Regional Corporation (Ashburn, VA)
    Akima Global Technology (AGT) is looking for a Senior Information System Security Officer to work in Ashburn, Virginia. To join our team of outstanding ... as Network+ and Security +, CISSP and Security auditing are recommended. A senior ISSO...Experience reviewing Nessus scans, managing vulnerability mitigation and the information security process in an Enterprise environment.… more
    NANA Regional Corporation (10/29/25)
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  • Senior Information Systems…

    Tyto Athene (Washington, DC)
    **Description** Tyto Athene is searching fora ** Senior Information Systems Security Officer (ISSO)** with privacy experience. The candidate will ensure ... characteristic protected by applicable law. Submit a Referral (https://careers-gotyto.icims.com/jobs/1473/ senior - information -systems- security - officer -%28isso%29/job?mode=apply&apply=yes&in\_iframe=1&hashed=-1834326889) **Location**… more
    Tyto Athene (10/04/25)
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  • Senior Information Systems…

    RTX Corporation (Tucson, AZ)
    …a safer, more secure world. Our cybersecurity team is seeking a ** Senior Information Systems Security Officer (ISSO) II** to support our team **100% ... other) + Relevant Experience Considered in any combination: + Cybersecurity, systems security or hardening + Information Technology + Compliance-based auditing… more
    RTX Corporation (11/25/25)
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