• Cyber Security Engineer - Illumio…

    NANA Regional Corporation (Peterson Air Force Base, CO)
    The Cyber Security Engineer Illumio SME - provides technical implementation, support, and training services for Illumio on NIPR and SIPR networks. Plans and ... networks for security issues. Collaborates with the security team to perform tests and find network...group of Alaska natives from one of the most remote and harshest environments in the United States. **For… more
    NANA Regional Corporation (09/25/25)
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  • Senior Information Security Engineer

    Lumen (Denver, CO)
    …and shape the future. **The Role** Lumen Technologies is seeking a Senior Information Security Engineer who can help design, engineer , build, deploy, and ... experience in Linux system administration, virtualization, configuration, and support within a security context. + Strong background in network design, support,… more
    Lumen (11/15/25)
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  • Senior Network and Next Generation Firewall…

    Lumen (Denver, CO)
    …the future. **The Role** This position is a supportive role implementing Managed Security Services (MSS) and Managed Trusted Internet Protocol Service (MTIPS) in a ... Federal Security Operations Center (Federal SOC) 24x7x365 environment. The Federal...firewall, IDPS, and incident response. **Location** This is a remote position open to candidates based anywhere in the… more
    Lumen (11/04/25)
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  • Sr. Security Engineer - Hybrid…

    GuideOne Insurance (Denver, CO)
    …GlobalProtect VPN solutions for secure remote access. + Develop and enforce network security policies, NAT rules, and application-based controls. + Lead the ... We are looking for a seasoned Senior Security Engineer with 5-10 years of... security . + 3-5 years of experience in network security engineering with a focus on… more
    GuideOne Insurance (11/15/25)
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  • Offensive Security Engineer

    Coinbase (Denver, CO)
    Security organization at Coinbase is seeking to hire an experienced Offensive Security Engineer specializing in Web3 penetration testing and Web3 bug bounty ... place to be. While many roles at Coinbase are remote -first, we are not remote -only. In-person participation...open-source security research. * Expertise in Application Security , Network Security , or Cloud… more
    Coinbase (09/18/25)
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  • IT Cybersecurity Principal Engineer

    CommonSpirit Health (Englewood, CO)
    …as Policies, Standards, Principles, Blueprints, Patterns and Whitepapers. + Proficient in security assessment in Unix, Network , Cloud, Application and End ... Certified in Risk and Information Systems Control (CRISC), or Certified Information Security Manager (CISM) are preferred \#LI- Remote \#LI-CSH **Where You'll… more
    CommonSpirit Health (10/08/25)
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  • Sr. Security Research Engineer

    Proofpoint (Denver, CO)
    …has a direct and real-time impact protecting Proofpoint customers. As a Senior Security Research Engineer on Proofpoint's Threat Research team, you'll be part ... of the Fortune 1000, rely on Proofpoint for people-centric security and compliance solutions mitigating their most critical risks...customer support * Work effectively as part of a remote team using chat, video chat and conference calls… more
    Proofpoint (10/22/25)
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  • Information Security Engineer

    Lumen (Denver, CO)
    …the world and shape the future. **The Role** Black Lotus Labs is seeking a Security Engineer on the Research & Analysis team to specialize in Threat Research ... of the evolving threat landscape. **Location** This is a remote position open to candidates based anywhere in the...leadership initiatives by leading Black Lotus Lab's voice at security conferences and internal executive briefings. **What We Look… more
    Lumen (11/05/25)
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  • Senior Cybersecurity Engineer (Networking)

    Amentum (Denver, CO)
    …this role).** **Responsibilities:** . Review, design, implement and support all aspects of network security , in close collaboration with IT and Projects. . ... Operations Center (SOC) activities, eg respond to critical security incidents escalated by an MSSP, including non- network...at least 6 years hands-on experience as a cybersecurity network engineer ; a Bachelor's degree in Computer… more
    Amentum (10/24/25)
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  • Hybrid Cloud Engineer Senior

    Leidos (Colorado Springs, CO)
    …Infrastructure as Code (IaC). + Architect and configure virtual networks (VNets), network security groups (NSGs), ExpressRoute, VPN gateways, private endpoints, ... Azure DevOps, or GitLab). + Collaborate with application and security teams to enforce zero trust and network...least one of the following certifications: + o Azure Network Engineer Associate (AZ-700) + o Azure… more
    Leidos (10/16/25)
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