• Principal Research Engineer - Grid…

    Pacific Northwest National Laboratory (Portland, OR)
    …bulk energy system to the distribution grid. **Responsibilities** We are seeking a Principal Research Engineer with deep expertise in power system modeling, ... and dedicated budget. Our Science & Technology directorates include National Security , Earth and Biological Sciences, Physical and Computational Sciences, and Energy… more
    Pacific Northwest National Laboratory (11/13/25)
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  • Principal BizOps Engineer

    Mastercard (O'Fallon, MO)
    …people, businesses and governments realize their greatest potential._ **Title and Summary** Principal BizOps Engineer * Overview Business Operations is leading ... build, implement, and support technology services. A business operations engineer will ensure operational criteria like system availability, capacity, performance,… more
    Mastercard (11/26/25)
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  • Unified Communications Engineer

    Amentum (Fort Meade, MD)
    …, & Intel space? If so, look no further. Amentum is seeking a **UC Engineer Principal ** to join our team of passionate individuals in **Fort Meade, MD** ... projects that make a direct impact on the Nation's security and intelligence mission. In support of DISA, the...processes. **Responsibilities:** The duties and responsibilities of the UC Engineer Principal include, but are not limited… more
    Amentum (10/23/25)
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  • Sr. Principal Affordability Engineer

    RTX Corporation (Lexington Park, MD)
    …create a safer, more secure world. Raytheon is looking for a **Senior Principal Systems Engineer ** to support the Transformation & Initiatives (T&I) department. ... ability to obtain and maintain a US government issued security clearance is required.​ US citizenship is required, as...and technological capabilities of systems engineering practices. The Senior Principal Systems Engineer will report to the… more
    RTX Corporation (10/29/25)
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  • Principal Network Engineer

    Arena Technical Resources, LLC (Oklahoma City, OK)
    Principal Network Engineer Location: Oklahoma City, US Job ID: ATR 17661 Job Description Job Title: Principal Network Engineer Location: Oklahoma City, ... an active Secret clearance Job Description: HOW A NETWORK ENGINEER ADVISOR WILL MAKE AN IMPACT Network Engineer...provides recommendations on task workload - Provides input into risk tracking process. - Attends customer meetings and serves… more
    Arena Technical Resources, LLC (12/05/25)
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  • Sr / Principal Engineer Mission…

    Northrop Grumman (Roy, UT)
    …Basic Qualification - You'll bring these qualifications: * Basic Qualifications for an Principal Engineer Mission Assurance (T03) a Bachelors of Science degree ... your career today. Northrop Grumman is currently seeking a Mission Assurance Senior / Principal Mission Assurance Engineer to provide support to our Roy, Utah… more
    Northrop Grumman (12/11/25)
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  • Principal Requirements Systems…

    Northrop Grumman (Redondo Beach, CA)
    …Government security clearance per customers' requirements.** **Basic Qualifications for Principal Requirements Systems Engineer :** * Bachelor's degree in a ... and maintain a TS/SCI w. Polygraph prior to start **Preferred Qualifications for Principal Requirements Systems Engineer ** * Risk and Opportunity Management… more
    Northrop Grumman (11/25/25)
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  • Principal Systems Cyber Engineer

    RTX Corporation (Fullerton, CA)
    …problems that create a safer, more secure world. Raytheon is seeking a well-qualified ** Principal System Security Engineer (P4)** to join our Systems ... Security Engineering creates holistic security solutions leveraging Cyber Security , Software Assurance and Supply Chain Risk Management to support… more
    RTX Corporation (12/09/25)
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  • Supplier/ Principal Supplier Mission…

    Northrop Grumman (Roy, UT)
    …making history. Northrop Grumman is seeking to hire a **Supplier Mission Assurance Engineer ** or a ** Principal Supplier Mission Assurance Engineer ** to ... of relevant experience; OR a Master's degree and 0 years experience + Principal Supplier Mission Assurance Engineer : Bachelor's degree in STEM related field… more
    Northrop Grumman (10/04/25)
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  • Senior Principal Systems Engineer

    RTX Corporation (Cedar Rapids, IA)
    …a security clearance ** Security Clearance:** DoD Clearance: TS/SCI Sr Principal Systems Engineer - Principal Investigator (Onsite) - Advanced ... Status Requirements:** The ability to obtain and maintain a US government issued security clearance is required.​ US citizenship is required, as only US citizens are… more
    RTX Corporation (11/18/25)
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