• Information Systems Security Officer (ISSO)…

    CACI International (Sterling, VA)
    Information Systems Security Officer (ISSO) Lead Job Category: Security Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee ... Opportunity** : CACI is seeking an experienced and proactive Information Systems Security Officer Lead to manage our organization's information security efforts.… more
    CACI International (10/25/25)
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  • Information Systems Security Officer

    Lockheed Martin (Orlando, FL)
    …our classified environments\. The Rotary and Mission Systems \(RMS\) Classified Cyber Security organization is seeking a Classified Cyber Security professional ... AreaLine of Business, which willthat enable the delivery of 21st\-century security services to our classified programs\. **THE WORK** The selected individual… more
    Lockheed Martin (10/24/25)
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  • Program Security Officer (Modeling…

    KBR (Reston, VA)
    Title: Program Security Officer (Modeling and Simulation) Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering ... and advanced technology solutions to our customers in the intelligence and national security communities. In this position, your work will have a profound impact on… more
    KBR (10/24/25)
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  • Contractor Program Security Officer…

    Integration Innovation, Inc. (i3) (Arlington, VA)
    Overview i3 is seeking a cleared security professional with experience as both a Contractor Program Security Officer (CPSO) and as a company Facility Security ... SCI oversight and be knowledgeable with Intelligence Directives, Department of Defense (DoD) security policies, and the NISPOM in the areas of Personnel Security more
    Integration Innovation, Inc. (i3) (10/24/25)
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  • Network Security Engineer!

    CACI International (Columbia, MD)
    Network Security Engineer! Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: ... Type of Travel: Local * * * **Exciting Opportunity: Join Our Team as a Network Security Engineer!** Are you passionate about network security and eager to make a… more
    CACI International (10/24/25)
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  • Principal Firmware Security Engineer

    Microsoft Corporation (Mountain View, CA)
    …and into high scale deployment. At the design phase, you will work with security threat model team and be responsible for the silicon security architecture ... hardware accelerators. **We are looking for a Principal Firmware Security Engineer to join our team!** Microsoft's mission is...hardware development and large language model (LLM) design and integration . In this role, you will contribute to every… more
    Microsoft Corporation (10/23/25)
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  • Information Systems Security Engineer…

    Amentum (Fort Meade, 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 **Principal ... Information Systems Security Engineer** to join our team of passionate individuals...development, test, and demonstration, as well as potential long-term integration , deployment and sustainment as needed. Candidates interested in… more
    Amentum (10/23/25)
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  • Security Systems Account Executive

    Siemens (Plano, TX)
    …places that improve people's lives. **Transform the everyday with us!** The ** Security Systems Account Executive** is committed to supporting our new construction ... business within our commercial Security Systems team. Our Service and Solutions ...include: + Access control + Video surveillance + System integration platforms + Software as a Service (SaaS) +… more
    Siemens (10/23/25)
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  • RMF Cyber Security Analyst Senior

    SAIC (Quantico, VA)
    **Description** **Introduction:** Make a difference for national security by joining a team of dedicated IT professionals who will sustain, modernize and transform ... the enterprise IT capabilities for the Defense Counterintelligence and Security Agency (DCSA). The Air Force and Combatant Commands Business Group of SAIC is seeking… more
    SAIC (10/23/25)
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  • Physical Security System Administrator 4

    M. C. Dean (Chantilly, VA)
    …With over 7,000 employees, our capabilities span electrical, electronic security , telecommunications, life safety, automation and controls, audiovisual, and IT ... power and technology solutions through engineering expertise and smart systems integration . **Why Join Us?** Our people are passionate about engineering innovation… more
    M. C. Dean (10/23/25)
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