• Sr . Security Research

    Proofpoint (Denver, CO)
    …highly technical role has a direct and real-time impact protecting Proofpoint customers. As a Senior Security Research Engineer on Proofpoint's Threat ... of the Fortune 1000, rely on Proofpoint for people-centric security and compliance solutions mitigating their most critical risks...bring to the team** * A passion for threat research and a well-rounded yet deep understanding of the… more
    Proofpoint (10/22/25)
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  • Sr RF Engineer

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …and Empower the next generation to transform humanity through technology and imagination! As a Sr RF Engineer , you will be using your skills and expertise to ... and signal processing. The ISR (Intelligence, Surveillance & Reconnaissance), Aviation, and Security (IAS) business area is a leader in ISR and aviation, it… more
    Sierra Nevada Company, LLC (09/23/25)
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  • Sr Principal Engineer Electrical…

    BAE Systems (Westminster, CO)
    …awards. Other incentives may be available based on position level and/or job specifics. ** Sr Principal Engineer Electrical System Lead - $10K Sign On Bonus** ... in an office, laboratory, production floor, or cleanroom, outdoors or remote research environment. + May occasionally work in production work centers where use… more
    BAE Systems (10/07/25)
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  • Sr Principal Electrical System…

    BAE Systems (Westminster, CO)
    …awards. Other incentives may be available based on position level and/or job specifics. ** Sr Principal Electrical System Engineer Mechanisms Lead - $10K Sign On ... in an office, laboratory, production floor, or cleanroom, outdoors or remote research environment. + May occasionally work in production work centers where use… more
    BAE Systems (10/07/25)
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  • Principal Sr Engineer - FPGA Design…

    BAE Systems (Westminster, CO)
    …Other incentives may be available based on position level and/or job specifics. **Principal Sr Engineer - FPGA Design - $15K Sign On Bonus** **114980BR** EEO ... in an office, laboratory, production floor, or cleanroom, outdoors or remote research environment. + May occasionally work in production work centers where use… more
    BAE Systems (09/09/25)
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  • Engineer Sr - Mechanical, Mechanical…

    BAE Systems (Broomfield, CO)
    …incentives may be available based on position level and/or job specifics. ** Engineer Sr - Mechanical, Mechanical Ground Support Equipment (MGSE)** **118251BR** ... in an office, laboratory, production floor, or cleanroom, outdoors or remote research environment. + May occasionally work in production work centers where the… more
    BAE Systems (11/14/25)
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  • Sr Systems Engineer

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …systems that protect and sustain our way of living. Join our team! As a Senior Systems Engineer within our Mission Systems Integration directorate, you'll play a ... and CUAS technologies. You will use your skills and expertise to research , architect, model, simulate, test, certify, and improve cutting-edge defense solutions.… more
    Sierra Nevada Company, LLC (11/18/25)
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  • Sr . Missile Systems Integration & Test…

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …& Test Engineer to play a critical role in the research , design, development, testing, certification, deployment, and improvement of cutting-edge products and ... defense. The ISR (Intelligence, Surveillance & Reconnaissance), Aviation, and Security (IAS) business area is a leader in ISR...Industry + Experience with weapons or missile systems + Senior skill set includes ability to perform all stated/implied… more
    Sierra Nevada Company, LLC (09/01/25)
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  • Sr Data Engineer

    EBSCO Information Services (Denver, CO)
    EBSCO Information Services (EBSCO) delivers a fully optimized research experience, seamlessly integrated with a powerful discovery platform to support the ... information needs and maximize the research experience of our end-users. Headquartered in Ipswich, MA,...help make an impact. **Your Opportunity** As a Data Engineer , your primary responsibility is to design, build, and… more
    EBSCO Information Services (11/19/25)
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  • Project Engineer Sr .

    Lockheed Martin (Littleton, CO)
    …of the strategic deterrence\. This position is in support of the Chief Engineer 's Office on the Fleet Ballistic Missile \(FBM\) program\. We are seeking a ... develops and maintains FBM specific engineering training materials as well as research and incorporate Lockheed Martin Enterprise and Space training, to provide a… more
    Lockheed Martin (11/01/25)
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  • Sr Software Engineer

    Lockheed Martin (Boulder, CO)
    …Exploitation \(APEX\) team within Lockheed Martin Space is seeking a skilled software engineer to support ongoing programs and internal research and development ... Experience with embedded Linux and real\-time operating systems * Active government security clearance ** Security Clearance Statement:** This position requires a… more
    Lockheed Martin (10/31/25)
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  • Sr Electrical Engineer - Lead

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …Electrical Engineering, this is the job for you! Electrical engineers at SNC research , design, develop, test, certify, deploy and improve cutting edge products and ... systems. The ISR (Intelligence, Surveillance & Reconnaissance), Aviation, and Security (IAS) business area is a leader in ISR...is the job for you! Electrical engineers at SNC research , design, develop, test, certify, deploy and improve cutting… more
    Sierra Nevada Company, LLC (10/16/25)
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  • Sr . Software Development Engineer

    Vertafore (Denver, CO)
    …automation + Develop scripts and tools for our continuous integration system + Research new testing tools and technologies + Review specs and technical designs from ... every day, and delivering results you can see, we provide the level of trust and security that insurance is all about. . Bias to Action: We're united by an innate… more
    Vertafore (10/25/25)
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  • Engineer Senior Principal II Mission…

    BAE Systems (Broomfield, CO)
    …be available based on position level and/or job specifics. ** Engineer Senior Principal II Mission Architect National Security Systems** **116059BR** EEO ... **Job Description** Technical leadership position for a Systems Engineer with experience architecting space or ground systems, and who is creative, flexible, and… more
    BAE Systems (09/17/25)
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  • Senior Associate, Info Security

    L3Harris (Broomfield, CO)
    …sea and cyber domains in the interest of national security . Job Title: Senior Associate, Information Security Systems Engineer Job Code: 31042 Job ... skills to brief leadership and customers. + Possess ability to conduct research on security and other applicable topics as needed as the cybersecurity lead. +… more
    L3Harris (11/12/25)
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  • Digital Signal Processing Engineer

    Parsons Corporation (Denver, CO)
    …**Job Description:** Parsons Company, is seeking qualified candidates to fill a Sr . Digital Signal Processing Engineer (DSP) positions at our headquarters ... in Chantilly, VA. We are currently searching for full-time Sr . Level Digital Signal Processing Engineers that will design,...We meet customer and mission needs by leveraging cutting-edge research and technology, using small teams to rapidly get… more
    Parsons Corporation (10/21/25)
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  • Senior Adaptive Threat Replication…

    Bank of America (Denver, CO)
    …shine and grow. The Cyber Security Assurance Division is looking for a Senior Adaptive Threat Replication Engineer to join a team of world-class offensive ... Senior Adaptive Threat Replication Engineer Denver,...and emerging threats. Key responsibilities include leading and performing research , understanding the bank's security policy, working… more
    Bank of America (09/09/25)
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  • Senior Systems Engineer - IT

    Lockheed Martin (Littleton, CO)
    …\(RMS\) is looking for engineering professionals to work on the Trusted Security Solutions \(TSS\) program to engineer Cross\-Domain Solution \(CDS\) products\. ... **Description:** **WHO WE ARE** Lockheed Martin is a global security and aerospace company that employs approximately 120,000 people...YOU ARE** Lockheed Martin is seeking a highly motivated Senior Systems Engineer \-IT to join our Radiant… more
    Lockheed Martin (11/12/25)
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  • Senior Fire Protection Engineer

    Jensen Hughes Inc. (Denver, CO)
    Senior Fire Protection Engineer Allen, Texas, United States; Atlanta, Georgia, United States; Austin, Texas, United States; Baltimore, Maryland, United States; ... upheld since 1939. Today, our expertise extends broadly across closely related security and risk-based fields - from accessibility consulting and risk analysis to… more
    Jensen Hughes Inc. (11/18/25)
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  • Systems Engineer Senior Electrical…

    BAE Systems (Broomfield, CO)
    …may be available based on position level and/or job specifics. **Systems Engineer Senior Electrical Traceability** **115322BR** EEO Career Site Equal Opportunity ... CITIZENSHIP REQUIRED** This position is for an experienced system engineer who can work in and/or lead a multi-disciplinary...senior decision making and technical audiences. \#LI-NP1 A security clearance or access with Polygraph is not required… more
    BAE Systems (09/09/25)
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