• Principal Defense Cyber Operations

    Google (Columbus, OH)
    …the job** In this role, you will join Google Public Sector as a Defensive Cyber Operations (DCO) Engineer , serving as a key component of a US government ... Principal Defense Cyber Operations Engineer , Mandiant,...providing a direct and tangible impact on the client's defensive posture. Success requires a deep understanding of computer… more
    Google (09/30/25)
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  • DCO Engineer - TS/SCI (On site- Lompoc, CA)

    Deloitte (Los Angeles, CA)
    …confidence, and proactively manage to secure success. We require a seasoned Defensive Cyber Operations (DCO) Engineer with a desire to actively defend ... systems critical to our national defense. As a senior engineer the candidate will work with other engineers to...performance metrics where applicable. + Consult on IT and cyber defensive architecture and technologies. + Assess… more
    Deloitte (09/30/25)
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  • Defensive Cyber Engineer

    Lockheed Martin (Aurora, CO)
    …Engineers working a 24/7 operation\. 2\. Provide systems and architecture expertise for Defensive Cyber Operations to meet Cybersecurity mission execution on ... SBIRS operational assets\. 3\. Assist Defensive Cyberspace Operations and Mission Defense Team...Defense Team in the identification, containment, and response to cyber incidents\. 4\. Evaluate and analyze system architecture and… more
    Lockheed Martin (08/08/25)
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  • Lead Security Engineer - Defensive

    SOS International LLC (Pearl Harbor, HI)
    **Overview** SOSi is seeking a **Lead Security Engineer - Defensive Cyber AI & Infrastructure (DCAI)** to spearhead the integration of **AI-powered defense, ... LLM-assisted automation, and advanced cyber infrastructure** in support of mission-critical operations ...+ 7+ years of experience in cybersecurity engineering, SOC/NSOC operations , or defensive tool management. + 2+… more
    SOS International LLC (09/10/25)
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  • Cyber Operations Countermeasures…

    Leidos (Odenton, MD)
    …Headquarters, Fort Meade, MD. The candidate will support the DISA GSM-O II TN13 Defensive Cyber Operations (DCO) Branch. This position will provide ... **Description** Leidos has a current job opportunity for a Cyber Operations Countermeasures Engineer on...leadership for defensive cyber operations activities and… more
    Leidos (10/01/25)
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  • Senior Cyber Security Engineer

    Leidos (Chantilly, VA)
    …expertise in both software and hardware to support the design and deployment of defensive cyber measures. The engineer conducts research on current and ... **Description** Leidos is currently seeking a **Senior Cyber Security Engineer ** who is responsible...risks to critical mission systems. + Design and implement defensive cyber security solutions to protect data,… more
    Leidos (08/30/25)
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  • Sr. Cyber Security Engineer - Hybrid…

    GovCIO (Tampa, FL)
    …Government, NATO and Foreign military customers. + Extensive experience in Defensive Network/Cybersecurity Operations . + Operates across traditional technical ... Network Operations Centers (NOCs), Security Operation Centers (SOCs), or Cyber Security Operations Centers (CSOCs) monitoring, maintaining, and life cycling,… more
    GovCIO (07/19/25)
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  • Senior Cyber Defense Engineer

    Deloitte (Denver, CO)
    …to deliverables and performance metrics where applicable. + Consult on IT and cyber defensive architecture and technologies. + Assess assigned cyber ... and current threat. + Design, implement, configure and/or tune cyber defensive technology. + Author documentation to...operating systems (Red Hat, Kali, etc.) + Previous Security Operations Center experience + Experience in mobile and endpoint… more
    Deloitte (09/25/25)
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  • Cyber Security Engineer

    System One (Springfield, VA)
    Job Title: Cyber Security Engineer Location: Springfield, VA Type: Contract To Hire Compensation: Contractor Work Model: Onsite Hours: Add the job's scheduled ... not needed) Security Clearance: List security clearance requirements (delete if not needed) Cyber Security Engineer Springfield, VA TS/SCI $135k What You'll Get… more
    System One (08/03/25)
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  • Cyber Range Network Engineer

    Leidos (Annapolis Junction, MD)
    …network environment. + Support large scale cyber exercises and multi-spectrum cyber operations , both defensive and offensive activities. + Work ... **Leidos** has a new and exciting opportunity for a ** Cyber Range Network Engineer ** in our **National...will leverage your skills to provide expertise in large-scale cyber exercises and multi-spectrum cyber operations more
    Leidos (09/18/25)
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