• Senior Software Engineer

    Mastercard (O'Fallon, MO)
    …people, businesses and governments realize their greatest potential._ **Title and Summary** Senior Software Engineer Who is Mastercard? Mastercard is a global ... everywhere by making transactions safe, simple, smart, and accessible. Using secure data and networks, partnerships and passion, our innovations and solutions help… more
    Mastercard (10/31/25)
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  • Senior Mechanical Engineer - CADD

    RTX Corporation (Tewksbury, MA)
    …design, integration, and production support. We have an opportunity for an experienced Senior Mechanical CADD Engineer to support our radar development programs. ... ability to obtain and maintain a US government issued security clearance is required.​ US citizenship is required, as...suppliers to design, model, and document the design technical data package (TDP) and its capabilities and compliance with… more
    RTX Corporation (10/31/25)
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  • Senior Radar Processing Engineer

    KBR (Ann Arbor, MI)
    Title: Senior Radar Processing Engineer Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced ... solutions to our customers in the intelligence and national security communities. In this position, your work will have...Code: Enhance and extend existing code bases to process data from new sensor systems + Brief Customers: Prepare… more
    KBR (10/30/25)
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  • Senior Principal Systems Engineer

    RTX Corporation (San Diego, CA)
    …create a safer, more secure world. The RMD team is looking for a ** Senior Principal Systems Engineer ** to support the Missile Defense Sensors (MDS) department. ... 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 (10/22/25)
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  • Senior Systems Engineer (MBSE)…

    RTX Corporation (Las Cruces, NM)
    …that create a safer, more secure world. Raytheon Technologies is seeking a Senior Systems Engineer (MBSE) to provide enterprise-wide systems engineering and ... 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 (10/13/25)
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  • Senior Mechanical Engineer

    RTX Corporation (Portsmouth, RI)
    …and power equipment, and launchers. The USS department is looking for a full-time Senior Mechanical Engineer , located in Portsmouth, RI. **What You Will Do:** + ... 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 (09/27/25)
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  • ADGE Senior Mechanical Engineer

    RTX Corporation (Tewksbury, MA)
    …integration, and system interconnects. We are currently seeking a motivated and driven Senior Mechanical Engineer to join our Ground Equipment Design Team. The ... 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 (09/16/25)
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  • Senior Operations Quality Engineer

    RTX Corporation (Andover, MA)
    …problems that create a safer, more secure world. We are seeking a Senior Operations Quality Engineer with hands-on hardware quality experience to become ... ability to obtain and maintain a US government issued security clearance is required.​ US citizenship is required, as...teams to ensure alignment on top priorities (using baseline data and future forecast). These tools are used to… more
    RTX Corporation (09/13/25)
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  • Senior Frontend Engineer (React,…

    Keeper Security, Inc. (El Dorado Hills, CA)
    Keeper Security is hiring an experienced Senior Software Engineer (ReactJS) to join our Vault team. You'll help design and build modern, high-performance web ... and desktop applications that secure data for millions of users worldwide. We are looking...of products to the next level! About Keeper Keeper Security is transforming cybersecurity for organizations globally with zero-trust… more
    Keeper Security, Inc. (09/10/25)
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  • Senior Associate, Network Planning…

    L3Harris (Melbourne, FL)
    …and cyber domains in the interest of national security . Job Title: Senior Associate, Network Planning Engineer (SAC) Job Code: 27101 Job Location: Melbourne, ... level of experience troubleshooting IP network configurations. + Domain knowledge of data protocols including TCP/IP, DMVPN, BGP, OSPF, MPLS, EIGRP, HSRP, IS-IS,… more
    L3Harris (08/08/25)
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