• Applied Research Associates, Inc. (Nashua, NH)
    …for a **Facility Security Manager** who will lead a team of Information Security Specialists (ISSM/ ISSO ) and the current Facility Security Officer (FSO) ... Protocol Router Network (SIPRNet). Responsibilities will include managing a team of security professionals to include Information System (ISSM/ ISSO ) team and… more
    DirectEmployers Association (10/29/25)
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  • AeroVironment (Centreville, VA)
    …degree + Proficient with Linux based classified systems + Experience with cyber security policies and implementation of Risk Management Framework (RMF): eg ... The Information Systems Security Manager (ISSM) provides information systems security support for DoD and Non-DoD classified systems and networks.… more
    DirectEmployers Association (10/11/25)
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  • Mission Support and Test Services (Santa Barbara, CA)
    …all intelligence activities conducted across the NNSS. + Report Incidents of Security Concern (IOSCs) involving intelligence information, including Cyber , to ... Special Security Officer (SSO) + Information Systems Security Officer ( ISSO ) + Assistant Special ...background investigation to meet the requirements for access to classified information or matter if the duties of the… more
    DirectEmployers Association (10/17/25)
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  • Classified Cyber Security

    Lockheed Martin (Orlando, FL)
    **Description:** You will be the ** Classified Cyber Security ** professional for the **Information Security team** \. Our team safeguards life‑saving ... Martin Missiles and Fire Control\. **What You Will Be Doing** As the Classified Cyber Security professional you will be responsible for protecting … more
    Lockheed Martin (12/17/25)
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  • Classified Cyber Security

    Lockheed Martin (Troy, AL)
    …**Business Unit:** MISSILES AND FIRE CONTROL **Relocation Available:** Possible **Career Area:** Cyber Security **Type:** Full\-Time **Shift:** First ... security team, program, and government customers to perform as an Information Systems Security Officer, Staff \( ISSO \) in Troy, AL\. What You Will Be Doing… more
    Lockheed Martin (12/10/25)
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  • Information Systems Security Officer

    Lockheed Martin (Owego, NY)
    …Work:** This position is located in Owego, NY and will support multiple programs\. As a Classified Cyber Security / ISSO , you will be responsible for ... innovation\. \#OneLMHot jobs \#rmshotmiljobs **Basic Qualifications:** * Experience/Education in information/ cyber security and systems certifications * The… more
    Lockheed Martin (12/11/25)
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  • Senior Specialist, Cyber Intel…

    L3Harris (Wilmington, MA)
    …domains in the interest of national security . Job Title: Senior Specialist, Cyber Intelligence ( ISSO ) Job Code: 31848 Job Location: Wilmington, MA Job ... Friday Job Description: L3Harris is seeking an Information System Security Officer ( ISSO ) to support the Space...DoD 8570 IAM III certification + Experience as an ISSO /ISSM supporting classified systems under the JSIG,… more
    L3Harris (12/13/25)
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  • Information System Security Officer…

    Lockheed Martin (Cape Canaveral, FL)
    …Space \(LMS\) is seeking a Classified Cybersecurity Information Systems Security Officer \( ISSO \) supporting the Fleet Ballistic Missile \(FBM\) program\. ... Level:** Experienced Professional **Business Unit:** SPACE **Relocation Available:** No **Career Area:** Cyber Security **Type:** Full\-Time **Shift:** First more
    Lockheed Martin (09/19/25)
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  • Lead Information System Security Officer…

    General Dynamics Information Technology (Mclean, VA)
    …related experience **US Citizenship Required:** Yes **Job Description:** Lead Information System Security Officer ( ISSO ) **GDIT is seeking a highly skilled and ... SCI + Polygraph **Public Trust/Other Required:** None **Job Family:** Cyber and IT Risk Management **Skills:** Assessment & Authorization...multi-faceted Lead Information System Security Officer ( ISSO ) for a critical contract… more
    General Dynamics Information Technology (12/15/25)
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  • Information System Security Officer…

    Lockheed Martin (Hanover, MD)
    **Description:** Lockheed Martin is a pioneer in cyber security -partnering, innovating, and building cutting edge solutions\. Our talented employees tackle the ... Professional **Business Unit:** RMS **Relocation Available:** Possible **Career Area:** Cyber Security Governance and Risk Compliance **Type:** Full\-Time… more
    Lockheed Martin (10/18/25)
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  • Information Security Professionals…

    Leidos (Annapolis Junction, MD)
    …is seeking Information Security Professionals for programs in our **National Security Sector's (NSS) Cyber & Analytics Business Area (CABA)** . Our ... Paid Leave, and much more. **Join us and make a difference in National Security !** Information Systems Security Officers ( ISSO ) and Information Systems … more
    Leidos (10/18/25)
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  • Information System Security Officer…

    Lockheed Martin (Fort Worth, TX)
    …candidate will join the LMA Classified Cybersecurity Team as an Information Systems Security Officer \( ISSO \) on\-site at Fort Worth, Texas\. As an ISSO ... Experienced Professional **Business Unit:** AERONAUTICS COMPANY **Relocation Available:** Possible **Career Area:** Cyber Security **Type:** Full\-Time **Shift:**… more
    Lockheed Martin (12/05/25)
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  • Information Systems Security Officer…

    CACI International (Albuquerque, NM)
    …systems approved to process classified information. + Knowledge of Air Force cyber security policies. + Experience submitting ATO documentation in eMASS and ... Information Systems Security Officer ( ISSO ) Job Category: Information...US * * * **Exciting Opportunity: Join Our Elite Cyber Security Team as an Information Systems… more
    CACI International (11/28/25)
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  • Information System Security Officer…

    Amentum (Elkridge, MD)
    **Your Impact:** Are you interested in using your skills to help shape the Cyber , Security , & Intel space? If so, look no further. Amentum is seeking a ... **Information System Security Officer ( ISSO )** to join our team...and intelligence operations. **Responsibilities:** * Serve as the primary security advisor for assigned classified and unclassified… more
    Amentum (12/02/25)
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  • Local Defender - Cybersecurity ( ISSO

    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 ... on RMF controls. The preferred candidate is an experienced ISSO with in-depth knowledge of NIST 800-53 controls, RMF...and that system documentation is updated accordingly. + Monitor Cyber Tasking Orders (CTOs), security bulletins, CVEs,… more
    COLSA Corporation (12/12/25)
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  • Information Systems Security Officer…

    Amentum (Columbia, MD)
    …cybersecurity or security authorization is required. * Bachelor's degree in Computer Science, Cyber Security or IT Engineering is required. * In lieu of a ... **Your Impact:** We are seeking an Information Systems Security Officer ( ISSO ) 2 for a...Evaluate security solutions to ensure they meet security requirements for processing classified information. *… more
    Amentum (12/04/25)
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  • Cybersecurity, Senior ISSO

    BAE Systems (Hudson, NH)
    …with BAE Systems, supporting and protecting information systems critical to national security at one of the leading companies in Aerospace and Defense. Develop ... are looking to learn, influence, and help develop top cyber technologies, applications, and processes that protect and service...be air, land, and sea come join our award-winning security family here at Electronic Systems (ES). **_In this… more
    BAE Systems (12/11/25)
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  • Special Access Programs (SAP) - Senior Information…

    RTX Corporation (Andover, MA)
    …secure world. Our cybersecurity team is seeking an **Senior** **Information System Security Officer ( ISSO )** to support **Special Access Programs** ( **SAP** ... within the Risk Managed Framework (RMF) + Experience providing technical security consultation for complex, cross-domain, heterogeneous classified networked… more
    RTX Corporation (12/09/25)
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  • Senior Information System Security Officer…

    RTX Corporation (Woburn, MA)
    …safer, more secure world. Our cybersecurity team is seeking a **Senior Information Systems Security Officer ( ISSO )** to support our team **100% onsite** at our ... within the Risk Managed Framework (RMF). + Experience providing technical security consultation for complex, cross-domain, heterogeneous classified networked… more
    RTX Corporation (11/19/25)
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  • Information Systems Security Officer…

    GovCIO (Washington, DC)
    …support new program creation **Qualifications** + Bachelor's with 8+ years of cyber security experience (or commensurate experience) + Clearance Required: Active ... **Overview** GovCIO is currently hiring for a/an Information Systems Security Officer ( ISSO ) with an active TS/SCI...repository of responses available through an application (on a classified network). The program will work with other members… more
    GovCIO (12/05/25)
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