• Communications Operator/Technician…

    Applied Research Solutions (Bedford, MA)
    **Description** ARS is seeking a Principal Communications Operator/Technician located at Hanscom AFB, in Bedford, MA. Why Work with us? Applied Research Solutions ... telephony, copper and fiber-optic transmission principles, cryptographic techniques, network system installation practices, project and circuit diagram interpretation, test… more
    Applied Research Solutions (12/30/25)
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  • Principal Linux Administrator (Top Secret…

    RTX Corporation (Richardson, TX)
    …operating systems , and software. + Perform software upgrades, patching, and system maintenance on Linux systems . + Troubleshoot issues and apply security ... performing system maintenance, installations, upgrades, and backups on Linux systems . + Team-oriented with strong collaboration skills across multiple sites. +… more
    RTX Corporation (12/12/25)
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  • Principal Enterprise Network Engineer

    Applied Research Solutions (Bedford, MA)
    …you a seasoned network and communications expert with a passion for secure, high-stakes systems ? We are seeking a Principal -level Network Engineer to lead the ... backbones, secure telephony, ground RF and satellite communications, cryptographic/COMSEC systems , and voice/data/video platforms. If you bring deep experience in… more
    Applied Research Solutions (12/06/25)
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  • Principal Avionics Deputy Lead

    RTX Corporation (Tucson, AZ)
    …multiple domains (Hardware and Software), and materializing conceptual designs that integrate into a system of systems . The role of the Avionics Deputy Lead is ... that create a safer, more secure world. The Advanced Effector Guidance Systems (AEGS) Department within Raytheon Hardware Engineering provides Electrical Systems more
    RTX Corporation (11/19/25)
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  • Principal Embedded Software Test Lead…

    RTX Corporation (Richardson, TX)
    …we're not just designing software; we're crafting the backbone of mission-critical systems within a Special Access Program (SAP) and safeguarding the lives of ... those who protect us. As our next Principal Embedded Software Test Lead, you'll immerse yourself in...of innovation and ensuring the efficacy and security of systems that are vital to national defense. You do… more
    RTX Corporation (10/22/25)
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  • Principal Software Quality Engineer

    Northrop Grumman (Warner Robins, GA)
    …+ Provide technical and process oversight of the full Software and Systems product development lifecycle, including software, system , integration, test, cyber, ... Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations… more
    Northrop Grumman (10/31/25)
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  • Sr Principal Mechanical Engineer Lead

    RTX Corporation (Tewksbury, MA)
    …hardware design, development and production of radar, sonar, torpedo, and combat system equipment. The ME Team uses state-of the-art tools, processes, technology, ... Equipment (ADGE) Department leads mechanical design, development, and integration of platform systems . This includes launcher systems , shelter systems ,… more
    RTX Corporation (10/22/25)
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  • Principal Hardware Engineer - Platform

    Microsoft Corporation (Redmond, WA)
    …Ethernet, BIOS/BMC, and Linux and Windows integration. + Experience with datacenter-scale AI systems , including system debug and root cause analysis. + Ability ... paramount importance. To achieve this goal, the Cloud Hardware Systems Engineering (CHSE) team is instrumental in defining and...optimize the Cloud infrastructure. We are looking for a Principal Hardware Engineer - Platform to join the team.… more
    Microsoft Corporation (01/10/26)
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  • Senior Principal Radar Receiver Exciter…

    RTX Corporation (Tewksbury, MA)
    …capabilities and provide support to all life-cycle phases of the best radar systems in active worldwide deployments and grow our people with exciting new challenges, ... purposeful rotations. We have an opportunity for a **Senior Principal Radar Receiver Exciter Hardware Lead** seeking to solve...and exciter hardware and firmware utilized in complex radar systems . The technical challenges range from RF chain and… more
    RTX Corporation (11/19/25)
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  • Principal Cybersecurity Engineer (ISSO)…

    RTX Corporation (Schriever AFB, CO)
    …Force Base in Falcon, Colorado. **What You Will Do** + Assessing known systems vulnerabilities and verifying system hardening and patching activities to ensure ... an individual to join the Cyber Security Engineering team for a ** Principal Cyber Security Engineer ISSO-P4** position supporting the operations and maintenance of… more
    RTX Corporation (01/14/26)
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