• Monster (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
    Talent (09/05/25)
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  • Principal Defense Cyber Operations

    Google (Columbus, OH)
    …ON-NET Operator. In this role, you will join Google Public Sector as a Defensive Cyber Operations (DCO) Engineer , serving as a key component of a US ... CompTIA PenTest+, CompTIA Cloud+, or equivalent qualifications listed in DoD 8140.3's Cyber Defense Analyst role. + Experience with SPL, KQL, YARA-L, Kusto or… more
    Google (09/11/25)
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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 (08/28/25)
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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 ...automation. 7+ years of experience in cybersecurity engineering, SOC/NSOC operations , or defensive tool management. 2+ years… 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 (09/13/25)
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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 ... cyber exploits. This role will support the NRO cyber operations group or Industrial Control Systems...risks to critical mission systems. + Design and implement defensive cyber security solutions to protect data,… more
    Leidos (08/30/25)
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  • Lead, Systems Engineer - Cyber

    L3Harris (Springfield, VA)
    operations (land, air, sea, space, cyber ). + Coordinate offensive and defensive cyber operations with mission stakeholders. + Identify, assess, and ... the interest of national security. Job Title: Lead, Systems Engineer - Cyber Planning (Active TS/SCI w/CI...role involves contributing to cross-functional planning efforts to ensure cyber operations are effectively synchronized across all… more
    L3Harris (07/02/25)
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  • Principal / Senior Principal Cyber Systems…

    Northrop Grumman (San Diego, CA)
    …Huntsville, AL, San Diego, CA, and Colorado Springs, CO. A Cybersecurity Systems Engineer (CSSE) ensures cyber survivability attributes are implemented in system ... A CSSE supports the definition of security governance, and risk management. As a Cyber Systems Engineer on this team, you will have the following… more
    Northrop Grumman (07/05/25)
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  • Staff Cyber Systems Engineer

    Northrop Grumman (Annapolis Junction, MD)
    …Huntsville, AL, San Diego, CA, and Colorado Springs, CO. A Cybersecurity Systems Engineer (CSSE) ensures cyber survivability attributes are implemented in system ... A CSSE supports the definition of security governance, and risk management. As a Cyber Systems Engineer on this team, you will have the following… more
    Northrop Grumman (07/05/25)
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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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  • 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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  • Chief Engineer Cyber IT Program

    BAE Systems (Sterling, VA)
    …engineering scope such as: + Identity and Access Management + Cross Domain Security + Defensive Cyber strategies + Cyber auditing of IT systems + ... incentives may be available based on position level and/or job specifics. **Chief Engineer Cyber IT Program** **115615BR** EEO Career Site Equal Opportunity… more
    BAE Systems (09/09/25)
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  • Cyber Network Security Engineer

    CACI International (Chantilly, VA)
    Cyber Network Security Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS/SCI with Polygraph Employee Type: Regular ... * * * **The Opportunity:** You will support our work automating cybersecurity operations , emulating adversary behavior, and improving the defensive postures of… more
    CACI International (08/08/25)
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  • Cyber Engineer (Onsite)

    RTX Corporation (Fulton, MD)
    …collaborative, and dedicated team member to be part of the Raytheon Solipsys Cyber Operations Group under Information Technology. As a member of the ... Cyber Operations group **you** will be responsible...potential incidents, managing vulnerabilities and risk, designing & implementing defensive technologies to combat cyber threats, as… more
    RTX Corporation (09/13/25)
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  • Cyber Software Engineer

    Leidos (Arlington, VA)
    …high-impact environment requiring deep knowledge of network stacks, system internals, and offensive/ defensive cyber techniques. As a senior member of the team, ... **Description** Are you a motivated ** Cyber Software Engineer ** with technical hands-on...mentor junior engineers, and contribute to knowledge transfer within cyber operations teams. + Lead efforts to… more
    Leidos (08/08/25)
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  • Sr Principal Cyber Systems Engineer

    Northrop Grumman (Huntsville, AL)
    …of history, they're making history. Northrop Grumman Defense Systems is seeking Senior Principal Cyber Systems Engineer -15729 . This position will be located in ... Advanced Programs. This position is contingent upon contract award. We are seeking a Cyber Systems Engineer and will support Advanced Programs. WHAT YOU'LL GET… more
    Northrop Grumman (08/28/25)
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  • Cyber Warfare Engineer , Senior

    BOOZ, ALLEN & HAMILTON, INC. (Rome, NY)
    …If You Have: + Experience with the federal government, including DoD and IC cyber operations + Possession of excellent verbal and written communication skills + ... Cyber Warfare Engineer , Senior The Opportunity:... Cyber Warfare Engineer , Senior The Opportunity: As a Cyber...Computer Network Exploitation ( CNE ) , Offensive Cyberspace Operations ( OCO ) , or Defensive more
    BOOZ, ALLEN & HAMILTON, INC. (09/04/25)
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  • Senior Cyber Security Development…

    Lockheed Martin (Colorado Springs, CO)
    …join us\. You will join a team of talented cybersecurity engineers in developing defensive cyber services for the operational network\. Tasks may include: * ... **Description:** The Combined Orbital Operations , Logistics, and Resiliency \(COOLR\) team in Colorado...and Linux * Demonstrated interest in developing and implementing defensive cyber tools through prior experience and/or… more
    Lockheed Martin (08/27/25)
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  • Principal Cyber Security Engineer

    Constellation (Warrenville, IL)
    …401(k). **PRIMARY PURPOSE OF POSITION** As a member of the Constellation Nuclear Cyber Security team, the Principal Engineer performs advanced technical problem ... and subject matter expert for plant Operational Technology systems such as the Defensive Architecture to include SIEM, firewalls, data diodes, and other assets that… more
    Constellation (09/04/25)
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