• 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 (12/23/25)
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  • AeroVironment (Jessup, MD)
    …the system. + Evaluate security solutions to ensure they meet security requirements for processing classified information. + Maintain operational security ... Type** Regular **Job Description** **Summary** The Senior Information Systems Security Officer will provide aid to the program, organization,...- at least 7 years of experience as an ISSO supporting IC or DoD programs and contracts of… more
    DirectEmployers Association (12/18/25)
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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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  • Senior Associate, Cyber Intelligence…

    L3Harris (Colorado Springs, CO)
    …employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security . Job Title: Senior ... Friday Job Description: L3Harris is seeking an Information System Security Officer ( ISSO ) to support the Space...DoD 8570 IAM II certification * Experience as an ISSO supporting classified systems under the JSIG,… more
    L3Harris (12/24/25)
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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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  • Lead Information Systems Security Officer…

    CACI International (Hampton, VA)
    …Officer ( ISSO ) for Langley AFB in Hampton, VA supporting the cyber security mission of Distributed Ground System-Experimental (DGS-X) information systems ... AF IC and NISPOM policy. + Validate configuration of cyber security tools to ensure auditing and...and other applications as required. + Experience as an ISSO managing systems approved to process classified more
    CACI International (12/18/25)
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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 Professionals…

    Leidos (Annapolis Junction, MD)
    …seeking Information Security Professionals for programs in our **Intelligence Sector, Cyber & Analytics Business Area (CABA).** Our talented team is at the ... Paid Leave, and much more. **Join us and make a difference in National** ** Security !** Information Systems Security Officers ( ISSO ) and Information Systems … more
    Leidos (01/06/26)
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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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  • Senior Information Systems Security Officer…

    Leidos (Annapolis Junction, MD)
    …and exciting opportunity for a **Senior Information Systems Security Officer ( ISSO )** in our **Intelligence Sector, Cyber & Analytics Business Area (CABA)** ... a 15k sign on bonus!** **Job Summary:** The **Senior ISSO ** plays a vital role in securing and maintaining...information systems, managing daily security aspects, evaluating security solutions for classified processing, and conducting… more
    Leidos (01/06/26)
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  • Specialist, Information System Security

    L3Harris (Rochester, NY)
    …employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security . Job Title: ... Specialist, Information System Security Officer ( ISSO ) Job Code: 32202 Job Location: Rochester, NY Job...CI Polygraph preferred) + 4+ years' experience as an ISSO supporting or managing cybersecurity on classified more
    L3Harris (12/18/25)
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  • ISSO /Systems Security Engineer

    UIC Government Services and the Bowhead Family of Companies (Dahlgren, VA)
    **Overview** ** ISSO /SYSTEMS SECURITY ENGINEER (RDTE)** Bowhead is seeking a skilled full-time ISSO /Systems Security Engineer to join our team in ... Systems (IS), Government desktops, and corporate network components, unclassified and classified , adhere to and are certified in accordance with the latest… more
    UIC Government Services and the Bowhead Family of Companies (12/18/25)
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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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