• Rocket Lab Corporation (Littleton, CO)
    …exploration, Earth observation and missions to combat climate change, national security , and exciting new technology demonstrations. Our Electron rocket has provided ... that supports other satellite missions. SENIOR RF REGULATORY LEAD ENGINEER I/II Join our team as the Senior RF...SEEKING TO WORK IN NEW ZEALAND OFFICES ONLY: For security reasons background checks will be undertaken prior to… more
    Upward (08/04/25)
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  • Rocket Lab Corporation (Littleton, CO)
    …exploration, Earth observation and missions to combat climate change, national security , and exciting new technology demonstrations. Our Electron rocket has provided ... and launch your career to new heights! SENIOR AVIONICS ENGINEER I - MISSION FORMULATION Based out of Rocket...vehicle or missile systems Active DoD US Government Secret security clearance or, ability to obtain and maintain one… more
    Upward (08/10/25)
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  • Rocket Lab Corporation (Littleton, CO)
    …exploration, Earth observation and missions to combat climate change, national security , and exciting new technology demonstrations. Our Electron rocket has provided ... software that supports other satellite missions. PRINCIPAL SPACECRAFT SYSTEMS ENGINEER Based out of Rocket Lab's site in Littleton,...SEEKING TO WORK IN NEW ZEALAND OFFICES ONLY: For security reasons background checks will be undertaken prior to… more
    Upward (08/04/25)
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  • Applied Research Associates, Inc. (Littleton, CO)
    …sensing, laser/material interactions, sensor development in support of national security applications. These projects will require close coordination with subject ... a US citizen and be able to obtain a security clearance. This position will initially support active contracts...end users. What you'll do as an ARA Staff Scientist/ Engineer : + Acquire and develop in-depth understanding of laser/optical… 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, ... Preferred Experience + Experience in federally funded research + Active DoD Secret security clearance + Custom vehicle design (UUVs, AUVs, ASVs, ROVs) + Surface and… more
    DirectEmployers Association (10/07/25)
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  • Applied Research Associates, Inc. (Littleton, CO)
    …customers and end users. What you'll do as an ARA Junior Scientist/ Engineer : + Conduct research and development in optical sensors, signal processing, spectroscopy, ... + US Citizen + Currently hold or have the ability to obtain a security clearance + On-site work at ARA's Littleton, Colorado facility + Periodic travel to… more
    DirectEmployers Association (10/22/25)
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  • Red River (Denver, CO)
    …goal to support those outcomes. As a Senior Microsoft 365 Deployment Engineer , your primary responsibility is to oversee the successful implementation and deployment ... involve migrating data from on-premises systems to the cloud, setting up security policies, managing user access, and configuring theMicrosoft 365 stack. + Identify… more
    DirectEmployers Association (09/24/25)
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  • Epsilon, Inc (Lakewood, CO)
    **Enterprise Monitoring Engineer I** **Epsilon is now part of AMERICAN SYSTEMS!** We are pleased to announce Epsilon, Inc. has joined AMERICAN SYSTEMS. Together, ... and Operations Support/Management, Supervisory Control and Data Acquisition (SCADA), Cyber- Security , Solution Architecture, and Project Management. **An average day:**… more
    DirectEmployers Association (10/23/25)
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  • Fluor Corporation (Aurora, CO)
    …required duties of the position. Preferred Qualifications *Registered Professional Engineer *Advanced knowledge of discipline codes and standards, commercial ... benefits package designed to promote employee health, wellness, and financial security . Our offerings include medical, dental and vision plans, EAP, disability… more
    Upward (08/12/25)
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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 ... federal Personal Identity Verification (PIV) card as required by Homeland Security Presidential Directive 12 (HSPD-12), which includes a favorable background… more
    DirectEmployers Association (08/20/25)
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  • ASRC Industrial Services (Westminster, CO)
    Environmental/Ecological Engineer - Westminster, CO Summary **Title:** Environmental/Ecological Engineer - Westminster, CO **ID:** 2339 - RSI - 06 Description ... group's technical work and mission objectives. **Job Title:** Environmental/Ecological Engineer **Location(s):** Westminster, CO **Status:** Full-Time **FLSA:** Exempt **Hiring… more
    DirectEmployers Association (10/25/25)
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  • Fluor Corporation (Aurora, CO)
    …add value to the project. *Comply with standards and procedures for the security and management of computing facilities and systems. *Ensure project invoices are ... 4 years of experience supporting the Intelligence Community. *Current active security clearance that meets access requirements for the customer. *Engineering… more
    Upward (08/11/25)
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  • Space Systems Cyber Security

    General Atomics (Englewood, CO)
    …defense, civil, commercial, and academic mission requirements. We're seeking a Space Systems Cyber Security Engineer to join our team in Englewood, CO. In this ... role, you'll collaborate closely with the lead cyber security engineer to implement program strategies aimed at achieving and maintaining authority to operate… more
    General Atomics (10/29/25)
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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 to design, ... The ISR (Intelligence, Surveillance & Reconnaissance), Aviation, and Security (IAS) business area is a leader in ISR and aviation, it is a leading prime manned and… more
    Sierra Nevada Company, LLC (09/10/25)
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  • Security Engineer

    Zoom (Denver, CO)
    What you can expect As an Application Security Engineer , you will work with security testing automation and tools, focusing on Static Application Security ... Information Security , Computer Engineering, etc.). + Prove experience working as a Security Engineer or in a similar role with a focus on security more
    Zoom (11/01/25)
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  • Sr. Security Engineer

    Nutanix (Denver, CO)
    …Humble, Honest, with Heart.** **The Opportunity** Are you a proactive and strategic Security Engineer with a passion for identity and access management, data ... a supportive and collaborative work environment. As a Senior Staff Security Engineer , you will have the unique opportunity to provide critical analysis,… more
    Nutanix (10/29/25)
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  • Product Security Engineer

    Meta (Denver, CO)
    **Summary:** The Instagram Security Ecosystems team is seeking a product-focused security engineer interesting in enabling Instagram product teams to develop ... harder for bad actors on the Instagram platform. **Required Skills:** Product Security Engineer , Instagram Responsibilities: 1. Threat Modeling and Security more
    Meta (10/28/25)
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  • Security Engineer , GenAI

    Meta (Denver, CO)
    …family of products, including Facebook, Messenger, Instagram, and WhatsApp.We are looking for a Security Engineer to join GenAI Product Security team to ... technology to scale and implement protections for novel and evolving agentic security risks. **Required Skills:** Security Engineer , GenAI Responsibilities:… more
    Meta (10/22/25)
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  • Security Engineer

    Eliassen Group (Denver, CO)
    ** Security Engineer ** **Anywhere** **Type:** Contract **Category:** Security **Industry:** Healthcare **Workplace Type:** Remote **Reference ID:** JN ... Jobs **Description:** **100% Remote** We are seeking a skilled and proactive Security Engineer to join our team. This role is critical in ensuring the… more
    Eliassen Group (10/21/25)
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  • Network Security Engineer - Multiple…

    Noblis (Denver, CO)
    …make security -focused architectural recommendations in complex environments. The TIS Security Engineer will support the FAA Telecommunications and Integrated ... highly technical professionals with a strong foundation in network architecture, design, and security - individuals who are ready to step up from traditional network… more
    Noblis (09/18/25)
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