• Applied Research Associates, Inc. (Littleton, CO)
    …ballistics modeling and experimentation + Design & Prototyping-software, electronics, mechanical systems + Optical System R&D - remote sensing, laser analysis, ... sensing, laser/material interactions, sensor development in support of national security applications. These projects will require close coordination with subject… more
    DirectEmployers Association (10/17/25)
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  • Applied Research Associates, Inc. (Littleton, CO)
    …customers and end users. We are seeking a dynamic, highly skilled Engineer /Researcher with a background in uncrewed underwater vehicles (UUVs) to support research, ... arrays, hydrophones, sonar, and/or inertial sensors + Develop vehicle autonomy systems , including those leveraging inertial navigation or active heave compensation +… more
    DirectEmployers Association (10/07/25)
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  • Xcel Energy (Denver, CO)
    …be just what you're looking for. **Position Summary** The Sr. IT Network Engineer is responsible for leading technical aspects of IT solution delivery, strategic ... business unit objectives. They are a consultant to business managers, architecture, security and operations teams to drive cross-awareness of business needs and… more
    DirectEmployers Association (10/10/25)
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  • Red River (Denver, CO)
    …integration of Microsoft 365 components. This may involve migrating data from on-premises systems to the cloud, setting up security policies, managing user ... goal to support those outcomes. As a Senior Microsoft 365 Deployment Engineer , your primary responsibility is to oversee the successful implementation and deployment… more
    DirectEmployers Association (09/24/25)
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  • National Renewable Energy Laboratory (Golden, CO)
    **Posting Title** Senior Research Operations Engineer . **Location** CO - Golden . **Position Type** Regular . **Hours Per Week** 40 . **Working at NREL** NREL is ... Mountains in Golden, Colorado is the nation's primary laboratory for energy systems research and development. Join NREL, where world-class scientists, engineers, and… more
    DirectEmployers Association (08/20/25)
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  • Systems Security Engineer II

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …about creating and managing for highly complex systems ? Join our team! As a Systems Security Engineer II, you will be using your skills and expertise ... and tuning. You'll be responsible for the management of our IT security systems and applications, incident response, digital forensics, loss prevention,… more
    Sierra Nevada Company, LLC (09/10/25)
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  • Systems Security Engineer II

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …about creating and managing for highly complex systems ? Join our team! As a Systems Security Engineer II, you will be using your skills and expertise ... tuning. You'll be responsible for the management of our IT security systems and applications, incident response, digital forensics, loss prevention, and… more
    Sierra Nevada Company, LLC (10/08/25)
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  • Space Systems Cyber Security

    General Atomics (Englewood, CO)
    …space systems solutions. **DUTIES AND RESPONSIBILITIES:** Serve as an Information Systems Security Engineer (ISSE) for one or more development ... defense, civil, commercial, and academic mission requirements. We're seeking a Space Systems Cyber Security Engineer to join our team in Englewood, CO. In… more
    General Atomics (10/08/25)
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  • Military Fellowship Program: Systems

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …to participate in the DoD SkillBridge program + Bachelor's degree in Systems Security , Network Engineering, Information Technology, or related Engineering ... separated from the military. The ISR (Intelligence, Surveillance & Reconnaissance), Aviation, and Security (IAS) business area is a leader in ISR and aviation, it is… more
    Sierra Nevada Company, LLC (10/13/25)
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  • (USA) Principal, Systems and Infrastructure…

    Walmart (Denver, CO)
    …you ready to lead the charge in transforming our infrastructure? As a Principal, Systems and Infrastructure Engineer at Walmart/VIZIO, you will play a pivotal ... opportunity to drive the migration and modernization of critical applications and systems , ensuring seamless transitions and minimal downtime. **What you'll do **… more
    Walmart (09/25/25)
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  • Systems Development Engineer I, ADC…

    Amazon (Denver, CO)
    …complex challenges, and making a tangible impact? The Amazon Dedicated Cloud (ADC) Security Systems Engineering (AS2E) team provides operational support for ... less by improving operational health and reducing manual toil for these security services. The team delivers on high-impact, high-visibility projects, and you have… more
    Amazon (08/20/25)
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  • Spacecraft Responsible Systems

    Lockheed Martin (Littleton, CO)
    …Lockheed Martin seeks an innovative and talented **Spacecraft Responsible Systems Engineer \(SC RSE\)** to join the Global Security team in Denver, ... Colorado\. The Global Security Spacecraft Responsible Systems Engineer \(SC RSE\) plays a vital role in end\-to\-end program execution by guiding the… more
    Lockheed Martin (10/17/25)
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  • Space Vehicle Responsible Systems

    Lockheed Martin (Littleton, CO)
    …Lockheed Martin seeks an innovative and talented Spacecraft Responsible Systems Engineer \(RSE\) to join the Global Security team in Denver, Colorado\. ... - - - **What does this role look like?** The Global Security Spacecraft Responsible Systems Engineer \(SC RSE\) provides senior technical leadership across… more
    Lockheed Martin (10/04/25)
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  • Systems Development Engineer

    Amazon (Denver, CO)
    …2025 The AWS Region Services team is hiring a cleared Systems Development Engineer to support cloud security services for the US Intelligence Community. Our ... our mission to help lead, deploy, and support the security systems that raise the security... Security Lake, Detective, and Macie. As a Systems Development Engineer on our team, you'll… more
    Amazon (09/27/25)
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  • Systems Engineer (Level 4)

    Lockheed Martin (Littleton, CO)
    …in the successful execution of activities of major significance to the nation's National Security Enterprise\. As a Systems Engineer , your roles and ... Martin Space is looking for an innovative and experienced Systems Engineer to support the team that...support the team that designs, develops, fields and operates systems for a variety of national security more
    Lockheed Martin (10/11/25)
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  • Principal Systems Engineer

    Leidos (Aurora, CO)
    **Description** **Leidos** has a new and exciting opportunity for a Principal Systems Engineer in our **National Security Sector's (NSS) Cyber & Analytics ... . Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical...results. Leidos is currently looking to add a Principal Systems Engineer (SE-3) to a growing task.… more
    Leidos (10/09/25)
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  • Senior Cybersecurity Engineer

    V2X (Aurora, CO)
    …award to V2X. #clearance Responsibilities Major Job Activities: + Serves as the security engineer representative on systems engineering teams for the ... policies. + Conducts vulnerability scanning and analysis of systems and tools. + Formulates and implements security...Minimum of 10 years of experience as a Cybersecurity Engineer for large, complex programs / systems more
    V2X (10/10/25)
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  • Senior Principal Software Systems

    BAE Systems (Westminster, CO)
    …committed to innovation, integrity, continual learning and strong execution. Ground Systems Engineer in support of design, requirements, analysis, integration, ... US Department of Education. + A current, active Secret security clearance is required with ability to obtain and...on position level and/or job specifics. **Senior Principal Software Systems Engineer ** **116298BR** EEO Career Site Equal… more
    BAE Systems (09/23/25)
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  • Systems Engineer Senior - Core…

    BAE Systems (Westminster, CO)
    …Other incentives may be available based on position level and/or job specifics. ** Systems Engineer Senior - Core Systems Engineering** **116910BR** EEO ... and strong execution. **What You ll Do:** + Provide systems engineering leadership of technical teams in the development,...Interface with and support the program s Lead/Chief System Engineer , Chief Engineer and Customer. + Support… more
    BAE Systems (10/14/25)
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  • Engineer Senior Principal - Systems

    BAE Systems (Westminster, CO)
    …Space and Mission Systems (BAE SMS) Tactical Solutions is seeking a Lead Systems Engineer to lead our Radar engineering efforts that deliver advanced radars ... to lead the development, testing, integration, and maintenance Radar systems . The Lead Systems Engineer ...US Department of Education. + A current, active Secret security clearance is required with the ability to obtain… more
    BAE Systems (09/09/25)
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