• Principal Mechanical Engineer - Thermal…

    RTX Corporation (Tucson, AZ)
    …US citizens are eligible for a security clearance​ **Security Clearance:** DoD Clearance: Secret At Raytheon, the foundation of everything we do is rooted in our ... effective yet technically balanced solutions. Raytheon is seeking an experienced Principal Thermal Engineer to join the MA&T Department. The Thermal Engineer is… more
    RTX Corporation (01/08/26)
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  • Space Vehicle Responsible Systems Engineer…

    Lockheed Martin (Littleton, CO)
    …you? Lockheed Martin seeks an innovative and talented **Spacecraft Responsible Systems Engineer \(RSE\)** to join the Global Security team in Denver, Colorado\. - ... does this role look like?** The Global Security Spacecraft Responsible Systems Engineer \(SC RSE\) provides senior technical leadership across the full lifecycle of… more
    Lockheed Martin (12/11/25)
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  • Guidance, Navigation & Control Engineer…

    Lockheed Martin (Sunnyvale, CA)
    …and emerging Missile Defense programs as a Guidance, Navigation & Controls \(GNC\) Engineer \(Level II\)\. As part of this highly\-skilled team, you will be ... related experience and may have a post\-secondary degree or training in a related discipline\. - - - **Basic...be eligible to obtain, and maintain, a government issued Secret clearance for long term employment on this program… more
    Lockheed Martin (01/11/26)
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  • Network Engineer - Mid-Career

    Lockheed Martin (Liverpool, NY)
    …configurations, procedures, and security implementations; provide clear communication and training to cross functional teams\. The successful candidate will be ... a proactive, security focused engineer who can bridge the gap between network administration,...physical security, power, and cooling requirements\. * DoD Top Secret Security Clearance or the ability to obtain one\.… more
    Lockheed Martin (11/27/25)
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  • RF Engineer , Staff

    Lockheed Martin (Liverpool, NY)
    …yours as a Lockheed Martin employee\. Lockheed Martin values your skills, training and education\. Come and experience your future\! **The Work** Successful ... various RF Subsystems, circuits, and components\. * Self\-sufficient RF Hardware Design Engineer who can work under general direction and independently determine and… more
    Lockheed Martin (11/19/25)
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  • Field Programable Gate Array Firmware…

    Sierra Nevada Company, LLC (Folsom, CA)
    …of factors, such as candidates' key skills, relevant work experience, and education/ training /certifications. The disclosed range estimate may be adjusted for any ... services We are looking for a talented Firmware Design Engineer to design, develop, document, integrate, test, and debug...skills + **The ability to obtain and maintain a Secret US Security Clearance is required** **Qualifications We Prefer:**… more
    Sierra Nevada Company, LLC (01/17/26)
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  • Principal Systems Engineer

    RTX Corporation (Tucson, AZ)
    …as only US citizens are eligible for a security clearance​ **Security Clearance:** Secret - Current At Raytheon, the foundation of everything we do is rooted ... Engineering and Test Capabilities (SETC) organization is hiring a **Principal Systems Engineer ** to join our Tucson, AZ location. The position is located **onsite**… more
    RTX Corporation (01/17/26)
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  • Principal Systems Engineer (Onsite)

    RTX Corporation (Tucson, AZ)
    …as only US citizens are eligible for a security clearance​ **Security Clearance:** Secret - Current At Raytheon, the foundation of everything we do is rooted ... and Test Center (SETC) organization is currently hiring a **Principal Systems Engineer - Systems Design Architecture Effectors** to join our Tucson, AZ location.… more
    RTX Corporation (01/16/26)
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  • Modeling & Simulation Engineer

    Integration Innovation, Inc. (i3) (Washington, DC)
    Overview We're seeking a Modeling & Simulation Engineer to develop high-fidelity environmental and target signature models used in a real-time hardware-in-the-loop ... is a strong fit for a Physics or Mathematics-based engineer who enjoys translating theory into performant code, balancing...with computational constraints to meet real-time execution requirements. Pay Range $97,000 - $169,000 The pay range … more
    Integration Innovation, Inc. (i3) (01/16/26)
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  • Senior Software Engineer / Scrum Master

    RTX Corporation (Woburn, MA)
    …US citizens are eligible for a security clearance​ **Security Clearance:** DoD Clearance: Secret At Raytheon, the foundation of everything we do is rooted in our ... secure world. Raytheon is looking for a Senior Software Engineer / Scrum Master in the Mission Capability, Mission...Python. + Ability to obtain US government issued Interim Secret security clearance is required prior to start date.… more
    RTX Corporation (01/16/26)
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