• 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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  • AeroVironment (Centreville, VA)
    …required to manage work distribution to Information Systems Security Officers ( ISSO ). **Position Responsibilities** + Primary point of contact for Information ... assurance for all site matters + Lead system documentation for information systems authorization + Developed...Proficient with Linux based classified systems + Experience with cyber security policies and implementation of Risk Management Framework… more
    DirectEmployers Association (12/23/25)
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  • Applied Research Associates, Inc. (Nashua, NH)
    …(ARA), Inc. has an immediate need for a **Facility Security Manager** who will lead a team of Information Security Specialists (ISSM/ ISSO ) and the current ... include managing a team of security professionals to include Information System (ISSM/ ISSO ) team and FSO, drafting and reviewing policies and procedures, document… more
    DirectEmployers Association (10/29/25)
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  • Senior Cyber Consultant - ISSO /ISSM

    Guidehouse (Washington, DC)
    **Job Family** **:** Cyber Consulting **Travel Required** **:** Up to 10% **Clearance Required** **:** Active Secret **What You Will Do** **:** + Apply fundamental ... NIST Cybersecurity Framework (CSF) guidelines, standards, and best practices for cyber security and risk management to strengthen an organizations security posture.… more
    Guidehouse (10/27/25)
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  • Lead Information System Security Officer…

    General Dynamics Information Technology (Mclean, VA)
    …(ISSM) in ensuring the unyielding security and integrity of mission-critical systems.** **The Lead ISSO will be directly responsible for the following key ... 10 + years of related experience **US Citizenship Required:** Yes **Job Description:** Lead Information System Security Officer ( ISSO ) **GDIT is seeking a highly… more
    General Dynamics Information Technology (12/15/25)
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  • Senior Information System Security Officer…

    Parsons Corporation (Las Cruces, NM)
    …a talented **Senior** ** ISSO ** to join our growing team! In this Lead /Senior ISSO role you will develop, maintain, and implement information security ... day direction, workload assignment, and task prioritization for the ISSO team. + Conduct regular one-on-ones, performance feedback, and...all actions are closed. + Contributes to and may lead the planning and implementation of large programs in… more
    Parsons Corporation (12/23/25)
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  • SP28 Senior Information Systems Security Officer…

    Amentum (Crane, IN)
    Amentum is looking for a Sr. Information System Security Officer ( ISSO ) to support Program Offices within Department of Defense Strategic Systems Programs (SSP). The ... ISSO will support non-enterprise information systems of large-scaled programs...will provide direct support to the Program Office Technical Lead onsite at NSWC Crane and will be expected… more
    Amentum (12/21/25)
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  • Senior Information System Security Officer…

    Guidehouse (Mclean, VA)
    …assignments, specifically for government clients. The ideal candidate will plan and lead major ISSO activities supporting Risk Management Framework (RMF) ... **Job Family** **:** Cyber Consulting **Travel Required** **:** Up to 10%...of information system security across key assignments. Plan and lead major ISSO activities supporting Risk Management… more
    Guidehouse (12/04/25)
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  • Senior Information System Security Officer…

    Innovative Management & Technology Services (Clarksburg, WV)
    …in information systems security, with at least 3 years in a senior-level or lead ISSO role supporting federal or state government agencies. + Strong working ... Company Overview: Join a fast-growing company highly experienced in cyber security, cloud computing, virtualization, big data analytics, and project management! IMTS… more
    Innovative Management & Technology Services (10/29/25)
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  • Cybersecurity - Information System Security…

    The Boeing Company (Berkeley, MO)
    …is currently seeking a highly motivated **Cybersecurity - Information System Security Officer ( ISSO )** to join their team in Berkeley, MO, Hazelwood, MO, or Saint ... activities and Boeing customers throughout multiple classified computing domains. The ISSO is responsible for maintaining and implementing all Information System… more
    The Boeing Company (01/16/26)
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  • Information Systems Security Officer ( ISSO

    CACI International (Sterling, VA)
    Information Systems Security Officer ( ISSO ) Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph ... + Design and implement security measures to protect against cyber threats, data breaches, and other security incidents +... threats, data breaches, and other security incidents + Lead incident response efforts in case of security breaches… more
    CACI International (10/25/25)
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  • Cloud Information Systems Security Officer…

    CGI Technologies and Solutions, Inc. (Washington, DC)
    **Cloud Information Systems Security Officer ( ISSO ) - Senior** **Category:** Cyber Security **Main location:** United States, District of Columbia, Washington ... to support a large project for a federal government client. The Senior Cloud ISSO will work in an agile environment, applying advanced technical skills in a… more
    CGI Technologies and Solutions, Inc. (12/24/25)
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  • Information Systems Security Officer ( ISSO

    CGI Technologies and Solutions, Inc. (Huntsville, AL)
    **Information Systems Security Officer ( ISSO ) - Senior-Level** **Category:** Cyber Security **Main location:** United States, District of Columbia, Washington ... Description:** CGI Federal is seeking a Senior-Level Information Systems Security Officer ( ISSO ) to support a large federal government initiative. This role offers… more
    CGI Technologies and Solutions, Inc. (12/24/25)
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  • Information System Security Officer ( ISSO

    Parsons Corporation (Las Cruces, NM)
    …what's possible. **Job Description:** Parsons is looking for a talented **Level 2** ** ISSO ** to join our growing team! In this role you will develop, maintain, ... expertise in job family. + Contributes to and may lead the planning and implementation of large programs in...Management experience + Ability to coach and develop junior ISSO 's **Security Clearance Requirement:** An active Top Secret SCI… more
    Parsons Corporation (12/23/25)
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  • Senior Information Systems Security Officer…

    Watershed Security (Philadelphia, PA)
    …assessments to identify and mitigate risks to information systems. + Lead cyber -incident-response efforts, including isolating affected systems, conducting ... experiencing. Watershed is looking for a Senior Information Systems Security Officer ( ISSO ) to support the Naval Surface Warfare Center (NSWC) in Philadelphia, PA.… more
    Watershed Security (01/02/26)
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  • Senior Cyber Security SME

    Steampunk (Mclean, VA)
    …Leadwith an appetite for taking on new challenges. **Contributions** The ** ISSO Team Lead ** serves as a Lead Cyber Security Specialist and will perform ... level III ISSO and/or ISSO support responsibilities as well as Team Lead responsibilities to include: + Leading a team of ISSOs includingprioritizing… more
    Steampunk (12/31/25)
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  • Cyber Security Trainer - TS/SCI…

    General Dynamics Information Technology (Mclean, VA)
    …professional roles. Be the change, lead our change - join us! **HOW A CYBER SECURITY TRAINER WILL MAKE AN IMPACT** + Conduct RMF Process training for ODNI system ... SCI + Polygraph **Public Trust/Other Required:** None **Job Family:** Cyber and IT Risk Management **Skills:** Cybersecurity,Cybersecurity Risk Management,Security… more
    General Dynamics Information Technology (01/14/26)
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  • Senior Information Systems Cyber Engineer

    The MITRE Corporation (Mclean, VA)
    …security concepts in classified settings. We seek a proactive individual to lead efforts in integrating security into large engineering projects and acquisition ... planning, policies, procedures, governance, management, protection, detection, mitigation, and cyber and military operations. Strong verbal and written communication… more
    The MITRE Corporation (12/18/25)
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  • Senior Specialist, Cyber Intelligence

    L3Harris (Palm Bay, FL)
    …deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security. Job Title: Senior Specialist, ... Cyber Intelligence Job Code: 32113 Job Location: Palm Bay, FL Job Description: Performs ISSO duties under the guidance of the Information System Security Manager… more
    L3Harris (12/17/25)
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  • Cyber Incident Response Analyst

    CACI International (Hampton, VA)
    Cyber Incident Response Analyst Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular ... Type of Travel: Local * * * **The Opportunity:** Our client is seeking a Cyber Incident Response Analyst that will join the Cyber Security Incident Response Team… more
    CACI International (01/01/26)
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