• Systems Security Engineer III

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …environment that supports and protects explorers and heroes? Join our team! As a Systems Security Engineer III, you will be using your skills and expertise to ... design, test, and implement our secure operating systems, networks , security monitoring, and tuning. You'll be responsible for the management of our IT … more
    Sierra Nevada Company, LLC (11/20/25)
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  • Splunk Security Engineer

    Leidos (Suitland, MD)
    …ready to turn your skills into real-world impact? Join **Leidos** as a **Splunk Security Engineer ** in Suitland, MD and be at the forefront of mission-critical ... cybersecurity. From defending networks to building scalable automation, your work will shape...**What You'll Do** As a core member of our security engineering team, you will: + Develop, maintain, and… more
    Leidos (11/11/25)
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  • Offensive Security Engineer

    Coinbase (Providence, RI)
    Security organization at Coinbase is seeking to hire an experienced Offensive Security Engineer specializing in Web3 penetration testing and Web3 bug bounty ... * Extensive knowledge of the blockchain ecosystem, including L1/L2 networks , DeFi protocols, and staking mechanisms. * Deep understanding...open-source security research. * Expertise in Application Security , Network Security , or Cloud… more
    Coinbase (09/18/25)
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  • Cloud Security Engineer

    Robert Half Technology (New York, NY)
    Description We are looking for an experienced Cloud Security Engineer to join our team in New York, New York. In this role, you will play a critical part in ... posture of cloud environments. Responsibilities: * Install, configure, and maintain advanced security solutions to protect cloud-based systems and networks . *… more
    Robert Half Technology (12/04/25)
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  • Mid-Level Product Security Engineer

    The Boeing Company (Hazelwood, MO)
    …future with us. Boeing is seeking an innovative and experienced **Mid-Level** **Product Security Engineer - Avionics Development** to join our growing team as ... lifecycle + Experience in architecture, design, management, administration and troubleshooting of networks with a focus on security controls and firewall… more
    The Boeing Company (11/28/25)
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  • Information System Security Engineer

    KBR (Beavercreek, OH)
    Title: Information System Security Engineer (ISSE) 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 the… more
    KBR (10/01/25)
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  • Information Systems Security

    BAE Systems (Sterling, VA)
    …be available based on position level and/or job specifics. **Information Systems Security Engineer (ISSE)** **116464BR** EEO Career Site Equal Opportunity ... organized and complete records + Knowledge of the complex environment involving shared networks and multiple security enclaves + Knowledge of engineering for… more
    BAE Systems (09/19/25)
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  • Information System Security Engineer

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career and customer-oriented **Information System Security Engineer (ISSE)** to join our team in **Chantilly, VA.** ... IS and Network Environment + Design, develop, and implement network security measures that provide confidentiality, integrity, availability, authentication,… more
    ManTech (11/29/25)
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  • Senior Information System Security

    ManTech (Huntsville, AL)
    **MANTECH** seek a motivated, career and customer-oriented **Senior Information System Security Engineer ** to join our team in **Washington, DC, Quantico, ... IS and Network Environment. + Design, develop, and implement network security measures that provide confidentiality, integrity, availability, authentication,… more
    ManTech (11/06/25)
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  • Senior IT Security Engineer

    Kelly Services (Salem, OR)
    …always put people first - so your impact really will change lives. **Kelly Services Network Security Engineer ** will strengthen and modernize our enterprise ... security posture. You will help drive next-generation firewall initiatives, own network security controls post-migration, and serve as a network -focused… more
    Kelly Services (12/15/25)
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