• Senior / Principal Systems

    SciTec (Boulder, CO)
    …can solve challenging engineering problems in support of critical national security objectives. Responsibilities + Developing and implementing systems ... processing technologies and scientific instrumentation capabilities in support of National Security and Defense. We support customers throughout the Department of… more
    SciTec (07/17/25)
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  • Electrical Engineer Senior Principal

    BAE Systems (Westminster, CO)
    …may be available based on position level and/or job specifics. **Electrical Engineer Senior Principal II - Box Lead** **115155BR** EEO Career Site Equal ... of Education. + Experience with electronic circuit design, electronic systems , FPGAs, and software. + Hands on experience with...skills, as well as solid presentation skills. \#LI-LB3 A security clearance or access with Polygraph is not required… more
    BAE Systems (08/12/25)
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  • Senior Principal II Engineer - FPGA…

    BAE Systems (Westminster, CO)
    … awards. Other incentives may be available based on position level and/or job specifics. ** Senior Principal II Engineer - FPGA Design - $10K Sign On Bonus** ... complex digital and FPGA designs for high reliability electronic systems . Provide direction to systems and design...skills as well as excellent presentation skills. \#LI-LB3 A security clearance or access with Polygraph is not required… more
    BAE Systems (06/12/25)
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  • Transmission Planning Engineer (Entry, Staff,…

    Xcel Energy (Denver, CO)
    …you're looking for. **This position can be hired at the Entry, Staff, Senior , or Principal level, depending on the candidates' overall experience, ... compliance assessments, including extreme event analyses such as CIP-014 physical security risk assessments, wide-area event simulations, and black start restoration… more
    Xcel Energy (08/12/25)
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  • Senior / Principal Windows System…

    SciTec (Boulder, CO)
    …will not be considered. SciTec has an immediate opportunity for a talented Senior Principal Windows System Administrator to join our team in Boulder, ... settings and other configuration tools + Implement and maintain security policies and procedures to protect Windows systems... security policies and procedures to protect Windows systems and data + Monitor system performance and identify… more
    SciTec (06/18/25)
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  • Senior Principal System Engineer

    SAIC (Colorado Springs, CO)
    **Description** SAIC seeks a highly experienced and energetic Senior Principal Systems Engineer to support the US Space Force, Space Systems Command, in ... Active Secret Clearance. + Capable of developing and/or sustaining national security , no-fail mission systems . + High degree of radio frequency (RF) and radar… more
    SAIC (08/07/25)
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  • Senior Principal Hands-On Software…

    RTX Corporation (Aurora, CO)
    …Satellite Ground Stations Software in Java and C++. Raytheon is hiring a hands-on ** Senior ** ** Principal Software Lead** to support our teams in **Aurora, CO** . ... Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US citizenship is… more
    RTX Corporation (07/10/25)
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  • Senior / Principal Python Engineer

    SciTec (Boulder, CO)
    …software engineering, mathematics, engineering, or the physical sciences. + 8+ years ( Senior ) or 12+ years ( Principal ) of ongoing professional experience and ... data processing technologies and scientific instrumentation capabilities in support of National Security and Defense, and we are growing our creative team! We… more
    SciTec (06/19/25)
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  • Senior Principal Software Cloud…

    RTX Corporation (Aurora, CO)
    …Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US citizenship is ... required, as only US citizens are eligible for a security clearance​ ** Security Clearance:** TS/SCI without Polygraph At Raytheon, the foundation of everything… more
    RTX Corporation (07/22/25)
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  • Senior Principal Legal Counsel…

    Medtronic (Lafayette, CO)
    …Units, including sales pricing and contract analysts, customer account managers, senior commercial leaders, and other functional experts to support commercial ... solutions, complex surgical robotic platforms, smart medical devices, remote service systems and other data-enabled healthcare technology and service solutions for… more
    Medtronic (08/08/25)
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