RF Systems Mechanical Engineer — Power & Thermal Design
Cfsenergy
Commonwealth Fusion Systems in Cambridge, MA, seeks a Mechanical Engineer, RF Systems to own the mechanical design of SPARC RF heating infrastructure, from large-diameter transmission lines to cooling plates for high-power electronics. You will collaborate with RF and electronics engineers, translate requirements into manufacturing-ready hardware, and guide a CAD drafting team while ensuring safety and manufacturability. #J-18808-Ljbffr Cfsenergy
- Commonwealth Fusion Systems in Devens, MA is seeking a Mechanical Engineer, RF Systems to own the mechanical design of the RF heating plant, from large... ...plates required for high‑power electronics. You will... ...with GD&T while validating thermal and structural performance...Suggested
$153.5k - $211k
...growth, we’re looking to add a Principal Thermal Mechanical Engineer located in Littleton, MA. Reporting... ...and hands‑on expertise in mechanical design, fluid dynamics, and heat transfer... ...optimization of complex fluid and thermal systems—including pumps, fluids, tubing, heat...SuggestedTemporary workVisa sponsorshipFlexible hours$153.5k - $211k
...growth, we’re looking to add a Principle Thermal Mechanical Engineer located in Littleton, MA . Reporting... ...and hands‑on expertise in mechanical design, fluid dynamics, and heat transfer... ...analysis, and optimization of complex fluid systems from concept initial CAD to final...SuggestedTemporary workVisa sponsorshipFlexible hours- ...Technologies Inc. in Littleton, Massachusetts is seeking a Principal Thermal Mechanical Engineer to lead the design and development of advanced liquid cooling solutions. You will lead the design of complex fluid systems and provide technical leadership, collaborating closely...Suggested
- ...Commonwealth Fusion Systems: Commonwealth Fusion... ...technologies, we’re designing and building commercially viable fusion power plants. And we're working... ...power movement as an Mechanical Engineer, RF Systems SPARC... ...disciplines Architect thermal management solutions...SuggestedContract workNight shiftWeekend work
- JetCool, a Flex company, is seeking a Principal Thermal Mechanical Engineer in Littleton, MA to lead fluid and thermal system architecture from concept to production. You... ...cooling applications. Your leadership will span design reviews, development activities, and cross‑...Flexible hours
- ...At Gems Setra, we design sensing solutions that protect... ..., and advanced HVAC systems that keep people safe... ...flawlessly. Our mechanical sensor technologies enable... ...for a Senior Mechanical Engineer who is passionate... ...manufacturability. Perform FEA and thermal analysis to validate...Local area
- Commonwealth Fusion Systems is hiring a Senior Systems Engineer to advance the SPARC and ARC tokamak programs. You will lead requirements management,... ...risk assessment, and system-level trade studies across mechanical, electrical, and control domains. The role emphasizes...
- ...(DER) for Summer 2027 in Littleton, MA. You will gain hands-on experience with electrical design, power distribution, and renewable energy projects, working alongside engineers and project teams. You will assist with AutoCAD drawings, power calculations, and design documentation...Summer workInternship
$68.9k - $131.1k
...years of experience and renowned engineering expertise to meet the needs... ...a safer, more secure world. Systems Engineering & Test... ...with RADAR or Radio Frequency (RF) systems. Experience with military... ...regardless of whether the role is designated as on-site, hybrid or remote....Temporary workWork experience placementInterim roleWork at officeLocal areaRemote workWorldwideRelocation packageFlexible hours- ...we believetechnology has the power to solve the world’s most important... ...seeking a seasoned Photonic Systems Engineer with deep expertise and a... ...frameworks to drive design decisions, predict system behavior... ...models (optical, electrical, thermal) to predict behavior across operating...
- Gems Setra, part of Ralliant, seeks a Senior Mechanical Engineer to own the mechanical architecture for precision HVAC sensors. You will design sensors for pressure, flow, temperature, humidity and air quality, and ensure robust performance in harsh environments. Collaborate...
$90k - $145k
...leading fusion energy company in Massachusetts is seeking a Mechanical Engineer - CableMagnets to design components for the Central Solenoid Magnet. The ideal... ...along with generous benefits and opportunities for professional growth. #J-18808-Ljbffr Commonwealth Fusion Systems$50 - $62 per hour
About Commonwealth Fusion Systems Commonwealth Fusion Systems is on a... ...talent, and new technologies, we’re designing and building commercially viable fusion power plants. And we’re working with... ...power movement as a Contract Mechanical Engineer - Radiological Tooling The...Hourly payContract work- ...Commonwealth Fusion Systems: Commonwealth... ...technologies, we’re designing and building commercially viable fusion power plants. And we're working... ...as a Principal RF Systems Engineer SPARC sustains fusion... ...and fundamentals of mechanical/thermal design to interface...Full timeFlexible hoursNight shiftWeekend work
- RTX is seeking a Systems Engineer for the Systems Engineering & Test Capabilities Team to support Naval Radar programs at our Marlborough, MA facility. The role involves hardware, software, and systems integration, with significant travel and a focus on troubleshooting...
- Advanced Micro Devices is seeking a seasoned Photonic Systems Engineer to lead the development of advanced simulation... .... You will model optical performance, power efficiency, and signal integrity to guide design decisions and accelerate validation cycles. The role...
- Commonwealth Fusion Systems is hiring an R&D Engineer - Magnets to develop high-temperature superconducting magnet designs and oversee R&D test campaigns. You will design, build, and... ...perform structural, electrical, and thermal analyses to predict outcomes. Collaboration...
$110.1k - $151.4k
Flextronics - The Flex Company is seeking a Sales Engineer to join JetCool in Littleton, MA. This role supports a collaboration with... ..., strong communication skills, and experience with thermal systems. The position offers a full range of benefits and a competitive...Flexible hours$110k - $185k
...Join the Power Movement as a Senior Power Electronics Engineer Senior Power Electronics... ...Director of Power Systems in the SPARC team... ...coordinate electrical design projects and... ...protection, control & mechanical integration) of... ...conversion equipment and thermal management ~...Full timeFlexible hoursNight shiftWeekend work- ...Commonwealth Fusion Systems: Commonwealth... ...technologies, we’re designing and building commercially... ...viable fusion power plants. And we're... ...a Senior Systems Engineer CFS is currently looking... ...II with a mechanical background, who will... ...subject to a variety of thermal, structural, and...Night shiftWeekend work
$80k - $100k
...The Entwistle Company is seeking a skilled and motivated Mechanical Design Engineer to build a long=term career in our collaborative and innovative... ...provider of mission-critical defense components & systems, spanning air, land, sea and space, recognized for our specialized...Contract workTemporary work$44k - $185k
...within Cisco, including marketing, system hardware, software, product engineering, and manufacturing. Through this collaboration... ...deeply creative people at Cisco design the hardware that makes the... ...40 years to create solutions that power how humans and technology work together...Full timeTemporary workApprenticeshipInternshipLocal areaFlexible hours- ...Test Devices by Schenck is seeking to hire a Mechanical Design Engineer! We're seeking a detail-driven Mechanical Design Engineer to bring ideas... ...accordingly to customer specifications. Prepares product or system layout, detailed drawings, schematics and engineering change...Permanent employmentWork at office
$90k - $145k
About Commonwealth Fusion Systems: Commonwealth Fusion... ...technologies, we’re designing and building commercially viable fusion power plants. And we’re working... ...power movement as a Mechanical Engineer - Cable Magnets As a... ...the design, performing thermal, structural, and electromagnetic...Full timeImmediate startFlexible hoursNight shift- Commonwealth Fusion Systems is seeking a Mechanical Engineer for Cable Magnets in Massachusetts. You will own hardware... ...concept to delivery, performing thermal, structural, and electromagnetic... ...meet requirements. You will create design notes, specifications, and...
- Commonwealth Fusion Systems in the United States seeks a Mechanical Engineer for Cable Magnets to own hardware from concept to delivery, performing thermal, structural, and electromagnetic analyses... ...requirements are met. You will develop design notes and specifications,...
$90k - $145k
About Commonwealth Fusion Systems Commonwealth Fusion... ...technologies, we’re designing and building commercially viable fusion power plants. And working with... ...power movement as a Mechanical Engineer - CableMagnets SPARC is... ...composite layups Analysis of thermal conduction and...InternshipFlexible hoursNight shiftWeekend work$114k - $134k
Description Expertise and Functions Conduct systems engineering and program reviews to evaluate alternative plans, technical baselines, design efforts, and system-level test results to ensure subsystem and system performance meets approved program specifications Prepare...Temporary workFor contractors- ...a creative, dynamic, highly motivated, and self-starter Mechanical Design Engineer to join our engineering team. In this 100% onsite role, you... ...part of our team to analyze, design, and develop various systems in the field of PCB rework equipment. If you are eager...Work at officeWorldwide
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