• Advanced Energy (Wilmington, MA)
    RF Engineer I **About Advanced Energy** Advanced Energy Industries, Inc. (NASDAQ: AEIS), enables design breakthroughs and drives growth for leading semiconductor ... and contributions of all Advanced Energy's employees worldwide. **POSITION SUMMARY:** The RF Engineer II performs sustaining engineering work in applied… more
    DirectEmployers Association (09/17/25)
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  • RF Hardware Design & Test Engineer

    RTX Corporation (Marlborough, MA)
    …degree in Electrical Engineering. + Background designing, testing, and troubleshooting analog and Radio Frequency CCAs. + Integration and test of CCAs and ... processing technology within Raytheon. We have an opportunity for an Electrical Engineer who is seeking to advance their strong academic background and experience… more
    RTX Corporation (10/13/25)
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  • RF Production Support Engineer Asc

    Lockheed Martin (Chelmsford, MA)
    …aspiring RF and microwave enthusiast\. **What You Will Be Doing** The RF / microwave engineer will support the manufacturing of complex multi\-function ... **Description:** Lockheed Martin is seeking to hire an RF engineering early career professional at our campus...amplifiers, mixers, switches, frequency generation circuits and frequency conversion circuits\. The engineer will be… more
    Lockheed Martin (10/29/25)
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  • RF Design Engineer , Sr Staff…

    Lockheed Martin (Chelmsford, MA)
    …to keep people safe and solve the world's most complex challenges\. We're seeking an experienced RF Engineer to join our team as a Senior Staff RF Design ... development and production **Why Join Us** We're looking for a highly experienced and skilled RF Design Engineer to join our team\. As an ideal candidate, you… more
    Lockheed Martin (10/25/25)
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  • Principal RF Design Engineer

    RTX Corporation (Marlborough, MA)
    …Collins Aerospace Collins Aerospace, an RTX company, is seeking a highly motivated **Principal RF Design Engineer ** to work on Identification of Friend or Foe ... DC to 3GHz: Examples include receivers, solid state power amplifiers, LNA's, filters, RF switches, frequency synthesizers, and frequency sources * Modernize… more
    RTX Corporation (10/13/25)
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  • Senior Principal RF Design Engineer

    RTX Corporation (Marlborough, MA)
    …lifecycle support of Raytheon products. We have an opportunity for a Senior Principal RF Design Engineer who is seeking to utilize their academic background and ... professional experience in RF / Microwave system theory and design to help...any of the following areas: + Cascade analysis and/or frequency planning + Filter design and fabrication + Circuit… more
    RTX Corporation (09/13/25)
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  • Lead RF Engineer

    MIT Lincoln Laboratory (Lexington, MA)
    …military and intelligence missions. Job Description: MIT Lincoln Laboratory seeks a Lead RF Engineer with expertise in signal processing, embedded systems, and ... real-time software development (C/C++, Python), digital signal processing (DSP), and RF engineering with technical leadership skills to mentor teams delivering… more
    MIT Lincoln Laboratory (08/08/25)
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  • Principal RF Electrical Engineer

    Leidos (Tewksbury, MA)
    …in lieu of a degree. + 5+ years of practical experience as a HW Systems Design Engineer , ideally in the X-Ka RF bands. + US person with the ability to obtain ... Security Enterprise Solutions (SES) operation is seeking an Electrical Engineer to support our ProVision checkpoint products, including next-generation developments.… more
    Leidos (09/21/25)
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  • RF Antenna Design Engineer

    Lockheed Martin (Chelmsford, MA)
    **Description:** By applying for this role, you will be considered for RF Antenna Engineering career opportunities within Lockheed Martin's Missiles and Fire Control ... LM's Missiles and Fire Control \(MFC\) is expanding its RF Engineering teams in multiple locations, including: Orlando, FL;...are seeking a highly skilled and experienced Antenna Development Engineer to join our team in designing & developing… more
    Lockheed Martin (10/04/25)
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  • Principal RF System Engineer

    Leidos (Tewksbury, MA)
    …Doctorate in technical domain. + 5+ years of practical experience as a HW Systems Design Engineer , ideally in the X-Ka RF bands + US person + Experience working ... **Description** Leidos has an opening for a Principal Systems Engineer in support of Checkpoint Screening Products in Tewksbury, MA **JOB SUMMARY:** Leidos is… more
    Leidos (10/03/25)
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  • RF Design, Test & Integration Opportunities…

    Lockheed Martin (Chelmsford, MA)
    …Test Equipment \(ATE\) tools to include: LabView or TestStand * Experience in high frequency RF testing, evaluation, and troubleshooting using an RF probe ... **Description:** By applying for this role, you will be considered for RF Engineering career opportunities within Lockheed Martin's Missiles and Fire Control \(MFC\)… more
    Lockheed Martin (10/24/25)
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  • RF Engineering Winter/Spring Co-Op (Jan '26…

    Skyworks (Woburn, MA)
    …Nearest Major Market:WoburnNearest Secondary Market:Boston Job Segment: Testing, Entry Level Engineer , Front End, RF Engineer , Electrical Engineering, ... RF Engineering Winter/Spring Co-Op (Jan '26 - June...test and evaluation using network analyzers, spectrum analyzers, and frequency generators. Required Experience and Skills + Currently pursuing… more
    Skyworks (10/30/25)
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  • System Integration / Test Engineer Sr.

    Lockheed Martin (Chelmsford, MA)
    …measurements typically required for components and subassemblies\. * Proficiency with Radio Frequency or Microwave systems and subsystems\. * Proficiency ... **Description:** You will be the System Integration & Test Engineer for the Automated Test Equipment \(ATE\) team at...managers, and production staff to create and refine digital, RF , and microwave test solutions\. You will own the… more
    Lockheed Martin (10/08/25)
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  • System Integration / Test Engineer Sr.

    Lockheed Martin (Chelmsford, MA)
    …measurements typically required for components and subassemblies\. * Proficiency with Radio Frequency or Microwave systems and subsystems\. * Proficiency ... **Description:** You will be a System Integration and Test Engineer at Lockheed Martin's Chelmsford facility, responsible for supporting the design, development, and… more
    Lockheed Martin (10/16/25)
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  • Systems Engineer II, Radar Systems…

    RTX Corporation (Woburn, MA)
    …analysis, integrating and configuring electronics, installing/debugging software. + Knowledge of radio frequency ( RF ) electronic hardware configuration and ... Engineering & Test Capabilities Directorate is seeking a Radar Systems Integration Engineer who will support systems integration activities primarily in Woburn MA in… more
    RTX Corporation (10/21/25)
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  • Senior Mechanical Engineer (Onsite)

    RTX Corporation (Marlborough, MA)
    …for all these platforms. This will include control, fiber optic, power, and radio frequency cabling with complex environments and electrical parameters. **What ... Collins Mission Systems organization has an exciting opportunity for a **Senior Mechanical Engineer ** to join our team. **The PCS Hardware Department is seeking an… more
    RTX Corporation (10/07/25)
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  • Mechanical Engineer

    Actalent (Wilmington, MA)
    …systems in areas including, but not limited to, vibration, thermal, hydraulic, radio frequency , and electro-optical for production testing environments Integrate ... Job Title: Mechanical engineer Hiring a mechanical engineer looking to grow their career at one of the leading defense companies Description Key… more
    Actalent (10/23/25)
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  • Mechanical Engineer II - Interconnects

    RTX Corporation (Marlborough, MA)
    …these platforms. This will include control, fiber optic, high power, high voltage, radio frequency , and waterproof. The position is for the Marlborough, ... services, materials and processes, analysis and test and documentation. The Mechanical Engineer II report directly to the Sensors Interconnects Section within the… more
    RTX Corporation (09/18/25)
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  • Senior Aero-Configuration Engineer

    MIT Lincoln Laboratory (Lexington, MA)
    …of talented technical staff with expertise in electromagnetics, signal processing, radio frequency systems, antenna design, statistics, optimization, machine ... The Advanced Capabilities & Systems Group is seeking a senior aero configuration engineer to design, build, and test novel unmanned aerial systems as part of… more
    MIT Lincoln Laboratory (08/08/25)
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  • System Integration/Test Engineer

    Butler America (Chelmsford, MA)
    …typically required for components and subassemblies. * 5+ years subject matter expert in Radio Frequency or Microwave systems and subsystems. * 3+ years success ... System Integration/Test Engineer Location: Chelmsford, MA Job ID: #71583 Pay Range: $65-79 AN HOUR 12 MONTH CONTRACT SECRET Clearance OR Interim clearance REQUIRED… more
    Butler America (09/13/25)
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