• Senior Cybersecurity Engineer

    Amentum (Denver, CO)
    …in approximately 80 countries across all 7 continents. Amentum is seeking a ** Senior Cybersecurity Engineer with focus on Networking ** . This is a fully ... IT and Projects. . Maintain and support security related networking systems, eg boundary protection, firewalls, DNS/URL filtering, global...plus at least 6 years hands-on experience as a cybersecurity network engineer ; a Bachelor's degree in… more
    Amentum (10/24/25)
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  • Senior Cybersecurity Engineer

    V2X (Aurora, CO)
    …their most complex challenges with integrity, respect, responsibility, and professionalism. As a Senior Cybersecurity Engineer , you will serve as the lead ... robust cybersecurity solutions that ensure compliance with DoD standards. The Senior Cybersecurity Engineer will work in close coordination with… more
    V2X (10/10/25)
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  • Voice and Data Network Engineer I, II, III…

    Tri-State Generation and Transmission Association, Inc. (Westminster, CO)
    …7; Voice and Data Network Engineer II, job grade 8, Voice and Data Network Engineer III, job grade 9; or Senior Voice and Data Network Engineer , job ... Term Disability (STD), Employee Assistant Program (EAP) and Paid Leave Benefits. ** Senior Voice and Data Network Engineer ** Hiring Salary Range:… more
    Tri-State Generation and Transmission Association, Inc. (12/02/25)
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  • Senior Systems Engineer - IT

    Lockheed Martin (Littleton, CO)
    …mission\-essential systems\. **WHO YOU ARE** Lockheed Martin is seeking a highly motivated Senior Systems Engineer \-IT to join our Radiant Mercury team\. This ... professionals to work on the Trusted Security Solutions \(TSS\) program to engineer Cross\-Domain Solution \(CDS\) products\. This position is for a Systems … more
    Lockheed Martin (11/12/25)
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  • Senior Platforms Engineer

    Marathon Petroleum Corporation (Denver, CO)
    …to transform the Midstream technological landscape, we are seeking a dynamic and experienced Senior Platforms Engineer to join our OT Windows team. This role ... across Windows and Linux environments. This includes partnering with IT, cybersecurity , and operations teams to deliver secure, scalable, and automated… more
    Marathon Petroleum Corporation (12/06/25)
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  • Senior Information Systems Security…

    Parsons Corporation (Colorado Springs, CO)
    …challenges in the space domain? We need your help. Our team is looking for a ** Senior Information Systems Security Engineer (ISSE)** . In this role you will get ... to focus on the cybersecurity aspects of system design to deal with cyber-related...principles and methods (eg, firewalls, demilitarized zones, encryption); computer networking concepts and protocols, and network security methodologies; network… more
    Parsons Corporation (10/11/25)
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  • Senior Network Engineer

    KIHOMAC (Colorado Springs, CO)
    + Serve as a Network Engineer - Virtualization Specialist supporting network build out and deployments to the C2BMC Test + Use SDDC Manager to patch, upgrade and ... Work closely with a team of system administrators, network engineers, and cybersecurity administrators to maintain a high-quality test environment for the Government… more
    KIHOMAC (12/10/25)
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  • Cyber Software Security Engineer

    Lockheed Martin (Littleton, CO)
    …experience in DevOps/DevSecOps, Software Factory, and Agile *Gain/utilize cybersecurity skills \(training provided\) *Collaborate with software development ... leadership to ensure cybersecurity best practices are incorporated in daily coding practices *Collaborate daily with software development teams to… more
    Lockheed Martin (12/04/25)
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  • Senior Principal Security Engineer

    Oracle (Denver, CO)
    …security to our customers. We are currently looking for a highly motivated security engineer with expertise in Cloud security to join our team. This candidate would ... Identity Governance etc. + Expertise in Encryption, Key management, Cybersecurity fundamentals (eg, access controls, common software vulnerabilities, and security… more
    Oracle (11/25/25)
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  • Sr. Security Research Engineer

    Proofpoint (Denver, CO)
    **About Us:** Proofpoint is a global leader in human- and agent-centric cybersecurity . We protect how people, data, and AI agents connect across email, cloud, and ... of a global team that breaks barriers to redefine cybersecurity guided by our BRAVE core values: **Bold** in...**The Role** The Role As a Sr. Security Research Engineer on Proofpoint's Threat Research team, you'll be part… more
    Proofpoint (12/09/25)
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  • Control Engineer 4

    M. C. Dean (Aurora, CO)
    …cross-functional teams and clients. This role will report directly to the project's onsite senior engineer . All work will be performed 100% onsite in Aurora, CO. ... next generation of technical leaders in electrical, engineering, and cybersecurity industries. Project in Aurora, CO is seeking a...Aurora, CO is seeking a skilled and motivated **Control Engineer 4** with 10+ years of experience. This role… more
    M. C. Dean (11/26/25)
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  • Staff / Sr Staff DevSecOps Engineer

    SciTec (Boulder, CO)
    …will not be considered. As we grow, we're looking for mission-driven Staff and Senior Staff DevSecOps Engineers who are ready to make a real impact-not just with ... and issue resolution in Kubernetes-based environments + Ensure adherence to cybersecurity protocols and secure coding practices + Support software vulnerability… more
    SciTec (11/21/25)
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  • Technical Account Manager

    Proofpoint (Denver, CO)
    engineer , senior support engineer , IT operations management, or senior engineer role with exposure to multiple technology areas + Knowledge of data ... About Us: We are the leader in human-centric cybersecurity . Half a million customers, including 87 of...a fast-paced environment that demands interaction with enterprises at senior levels, as well as with technical staff within… more
    Proofpoint (10/22/25)
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  • Citrix Administrator

    GovCIO (Denver, CO)
    …IIS, Apache, etc. + 3+years' experience working in an environment with complex networking solutions with senior level fundamental knowledge in networking ... VA and will be a remote position. **Responsibilities** This position is for a Senior Citrix Administrator supporting the Windows team. This is currently a mixed and… more
    GovCIO (09/24/25)
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