• 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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  • Teradyne (North Reading, MA)
    …within our existing customer base. We are seeking a Senior Microwave R&D Engineer to join the Teradyne Innovation Lab - the team responsible for developing ... vision for testing ICs that will be used from RF to sub-THz frequencies with high modulation bandwidths in...design, and hands-on testing, including calibration + Proficient in RF simulation tools such as ADS, HFSS, and CST,… more
    DirectEmployers Association (10/11/25)
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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 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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  • RF Design Engineer / Microwave…

    Lockheed Martin (Chelmsford, MA)
    …keep people safe and solve the world's most complex challenges\. We're seeking an enthusiastic RF Engineer to join our team in Chelmsford, MA\. In this role, ... Join Us** We're looking for an enthusiastic and experienced RF Engineer to join our team\. As...amplifiers, mixers, switches, frequency generation circuits, and frequency conversion circuits\. Prior RF design experience… more
    Lockheed Martin (09/26/25)
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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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  • RF Test Development Engineer

    Celestica (Boston, MA)
    …processes, tools and skills. They will be focused on establishing more advanced high frequency RF testing capability. They will own the hardware and software ... Country: USA State/Province: New Hampshire City: Remote Employee US **Summary** The RF Test Development Engineer designs, develops and implements test solutions… more
    Celestica (10/22/25)
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  • RF and Power Circuit Design Engineer

    Lockheed Martin (Chelmsford, MA)
    …analog RF systems, DC\-DC and LDO power supplies\. \- Design and develop RF analog circuitry used in high frequency and low noise applications\. \-Design, ... hire an early career Analog and Power Supply Design Engineer who will be involved in the design, development,...be involved in the design, development, and test of RF /Microwave subassemblies at our campus in Chelmsford, MA\. \-The… more
    Lockheed Martin (10/10/25)
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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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  • 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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  • System Integration / Test Engineer Sr.

    Lockheed Martin (Westford, 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 Westford facility, responsible for supporting the design, development, and… more
    Lockheed Martin (10/18/25)
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  • Senior Mechanical Engineer - Interconnects

    RTX Corporation (Tewksbury, MA)
    …action items, and support trade studies to make sound technical decisions. Design Radio Frequency , copper, and fiber optic cables. Working with manufacturing and ... (ADGE) department is looking for a full-time Senior Mechanical Engineer , located in Tewksbury, MA This is an onsite...or similar product data management tool Knowledge of MIL-Spec Radio Frequency and Fiber Optic cables, cable… more
    RTX Corporation (08/14/25)
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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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