Jobs in the United States

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Added 1 min ago
Principal Scientist/Engineer, Biomaterials & Toxicological Sciences
Therakos
Nashville, TN
The Principal Scientist/Engineer, Biomaterials & Toxicological Sciences provides technical leadership in the evaluation, selection, characterization, and biological safety assessment of…
Added 2 mins ago
(1119988) Autonomous Truck Integration and Validation Engineer (2nd Shift)
Diversified Services Network, Inc.
Tucson, AZ
DSN is seeking an Autonomous Truck Integration & Validation Engineer to join a 2nd shift team supporting autonomous haul truck testing. This onsite position is based in Tucson, AZ, and…
Added 5 mins ago
Software Engineer & Image Analyst (JR110526A-20)
JBS Solutions
Huntsville, AL
JBS is excited to announce a new position. We are seeking a Software Engineer & Image Analyst to join our team working on the Engineering Services and Science Capability (ESSCA) contract…
Added 5 mins ago
Senior Mechanical Engineer – Robotics
Premier Global Links
Watertown · Watertown, MA
Premier Global Links LLC is seeking an experienced Senior Mechanical Engineer – Robotics to design, develop, and build advanced robotic systems for real-world industrial applications.
Added 5 mins ago
PG
Senior Electrical Engineer – Robotics
Premier Global Links
Watertown · Watertown, MA
- $150,000 to $220,000 USD / year
Premier Global Links LLC is seeking an experienced Senior Electrical Engineer to design, prototype, develop, and scale electrical systems for advanced AI-powered robotic products.
Added 6 mins ago
Manufacturing Engineer II
AeroVironment, Inc.
Petaluma, CA
The Manufacturing Engineer II designs and operates the manufacturing systems for AeroVironment's Unmanned Air Vehicles. In this role, the Manufacturing Engineer chooses the best…
Added 6 mins ago
EC
Manager
Eze Castle Software LLC
United States
- $178,131 to $190,000 USD / year
…in C# or Java, and SQL. 8 years of experience with front-end development using Microsoft technologies such as WinForms, WPF, DevExpress. 8 years of experience with automation testing…
Added 7 mins ago
Packaging Laboratory Technician
System One
Princeton, NJ
Prepare and organize test samples for evaluations and shipping studies.
Added 7 mins ago
CI
Controls Engineer
Cintal, Inc.
Tucson, AZ
- $90,000 to $95,000 USD / year
Creating and/or Updating test and development plans for autonomous haul truck testing
Added 9 mins ago
Software Engineer III, Infrastructure, Google Cloud Security and Privacy
Google
Sunnyvale, CA
Proficiency in code and system health, diagnosis and resolution, and software test engineering.
Added 10 mins ago
Planner
Capstone Mining
Miami, AZ
Work Management: Manage work orders within the SAP system, including prioritization, scope definition, labor estimates, and schedule development to support efficient execution.
Added 10 mins ago
Senior Software Engineer, VMS
Anduril Industries
Quincy, MA
Senior Software Engineer, VMS - Seabed Sentry
Added 11 mins ago
IT Data Engineer II
Millennium Healthcare Management Serv LLC
Remote, United States
…delivery of reliable, high-quality data assets.<br><br>The IT Data Engineer II works under general direction on defined workstreams with developing independence. Decisions impact team and…
Added 11 mins ago
RF Communications Engineer
Dynetics, Inc
Huntsville, AL
The Lead RF Communications Engineer will support the Leidos Space Platforms Portfolio in the development of a lunar terrain vehicle system and support equipment, primarily responsible for…
Added 12 mins ago
Principal Systems Engineer
Odyssey Systems Consulting Group, Ltd.
Hanscom AFB, MA
Odyssey Systems has an exciting opportunity for a Principal System Engineer providing support to the Air Force Life Cycle Management Center/ISR SOF (AFLCMC/HB). The Air Force Program…
Added 13 mins ago
Applied Scientist, Engineering
Anthropic
San Francisco, CA
…build AI systems that can engage in all phases of research and development, and to test Claude's designs against real-world…
Added 13 mins ago
Senior Corrosion Engineer
Questar Gas Company
Remote, United States
…excellence and innovation. We are seeking a Senior Corrosion Engineer to join our Salt Lake City based…
Added 13 mins ago
SOFTWARE INTEGRATION ENGINEER - Linux/Scripting/Kubernetes - 10+ yrs of Experience - TS/SCI w/Poly clearance is required - ID - 544
Halogen Engineering Group, Inc
Fort George G Meade, MD
Halogen Engineering Group is looking for a Software Integration Engineer who will be responsible for working in Linux environments to perform Kubernetes cluster maintenance, administration,…
Added 13 mins ago
Interior Radar Development Engineer
Faurecia
Northville
Our FCE R&D Interior Radar Development Engineer will lead in-cabin radar development technical activities such as validation planning, KPI methodology and reporting, regression and release…
Added 13 mins ago
Senior Material Planning Analyst - 2nd Shift
GXO Logistics
Kansas City, MO
Strong problem-solving techniques, statistical analysis skills and the ability to create queries, solid data mining and development skills
Added 13 mins ago
Experienced Structural Analysis Engineer
The Boeing Company
Oklahoma City, OK
The Boeing Defense, Space & Security (BDS) organization is seeking an Experienced Structural Analysis Engineer to join the Air Vehicle Engineering team located in Oklahoma City, Oklahoma .
Added 13 mins ago
Engineer Shipboard Control Systems
Noblis
San Diego, CA
Noblis is seeking an experienced Engineering Professional to support integration, test, and in-service support of U.S. Navy shipboard machinery and engineering control systems. The ideal…
Added 13 mins ago
Cloud Platform Engineer
Noblis
Atlantic City, NJ
Hands-on experience managing containerized applications, cloud platforms and software development background including robust experience with Java in building cloud-native and scalable…
Added 13 mins ago
Software Engineer (AI)
Zensar
Dallas, TX
Zensar is looking for a Graduate Software Engineer - AI Platform Development in the United States (Princeton, NJ – 100% Onsite/Hybrid). This position is open for Full Time with excellent…
Added 14 mins ago
IG
Senior Payload / RF Payload Systems Engineering Lead
Insight Global
Seal Beach, CA
- From $102 USD / hour
- Ability to work across RF, hardware, software, systems, and test organizations

Commonwealth Fusion Systems

Diagnostics Mechanical Engineer

Devens, MA, United States

$107,000 to $160,000 USD / year

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Job details

Pay: $107,000 to $160,000 USD / year
Experience: 5+ years of relevant experience designing and delivering mechanical systems
Posting language: English
Posted: Nov 4, 2026

Original job description

About Commonwealth Fusion Systems:

Commonwealth Fusion Systems is on a mission to deliver the urgent transition to fusion energy.

Combining decades of research, top talent, and new technologies, we’re designing and building commercially viable fusion power plants. And we're working with policymakers, suppliers, and many others to build the energy industry of the future.

We’re in the best position to make it happen. Since 2018, we’ve raised $4 billion of capital, making us the largest and leading fusion company in the world.

Now we’re looking for more thinkers, doers, builders, and makers to join us. People who’ll bring new perspectives, solve tough problems, and thrive as part of a team.

If that’s you and this role fits, we want to hear from you.

Join the power movement as a Diagnostics Mechanical Engineer

Commonwealth Fusion Systems is assembling the high-field SPARC tokamak, which aims to be the first magnetic fusion device to achieve net fusion energy, and is predicted to be able to achieve high gain and fusion power up to 140 MW. We are completing the design and have begun the assembly and installation of diagnostic systems that will be used to control the plasma and deliver the scientific data necessary to complete the design of ARC. These include approximately 40 sub-systems covering magnetics, interferometry, neutral pressure, x-ray to visible spectroscopy, camera imaging, bolometry, neutrons, Thomson scattering, electron cyclotron emission, reflectometry, Langmuir probes and structural temperature and strain sensing. A more detailed overview can be found at: https://pubs.aip.org/aip/rsi/article/95/10/103518/3317155.

CFS is looking to grow the SPARC team in order to complete the mechanical design and integration of these diagnostic systems as they move through design closeout, analysis, procurement, test, and installation. At present we’re finalizing the design and starting assembly for many of the front-end, in vacuum measurement devices and are looking to add multi-faceted support to help carry those designs across the finish line, take on engineering challenges associated with their build and test, and help design the structural components associated with ex-vessel data transmission to our diagnostic labs. Candidates will work as part of an integrated diagnostic team along with fusion scientists and other engineers to demonstrate net energy from a tokamak for the first time. CFS encourages applications from both senior and early career engineers and those interested in cross-industry career changes to help us build a diverse team to meet our mission goals.

What you'll do:

Shepherd SPARC diagnostic sub-systems through design closeout, test, and procurement, working with a team of scientists, designers, analysts and engineers
Integrate technical input from experts on the team to ensure diagnostic designs will survive SPARC’s harsh environments and be usable to achieve SPARC’s scientific mission goals
Coordinate with manufacturing engineers to align on build and test strategy for complex integrated systems, and support builds in the field to maintain quality and speed
Contribute to a strong safety culture

What we're looking for:

Bachelor’s degree in a relevant engineering field (mechanical, aerospace, civil or nuclear)
5+ years of relevant experience designing and delivering mechanical systems
Demonstrated examples of delivering cradle-to-grave mechanical design with nuanced environmental or performance requirements
Experience designing for manufacturing and assembly, and collaborating with partners to oversee or carry out integrated builds
Bias toward action, and a balance of engineering intuition and technical rigor that allows for robust, simple designs to be generated with speed
First principles based approach to engineering and ability to understand concepts and tradeoffs that bridge engineering and physics
Strong communication skills to gather inputs and distribute information across several partner teams

Bonus points for:

Experience with Siemens NX, Teamcenter, or Ansys as CAD, PLM, and analysis tools
Experience with software development, particularly in Python
Experience designing large equipment requiring lifting/rigging tools to assemble
Experience with design of systems for exposure to high stress, UHV, high temperature, high magnetic field, and/or radiation environments

Must-have requirements:

Ability to occasionally lift up to 50 lbs
Perform activities such as climbing, typing, standing, or sitting for extended periods of time
Willingness to travel or work required nights/weekends/on-call occasionally
Work in a facility that contains industrial hazards including heat, cold, noise, fumes, strong magnets, lead (Pb), high voltage, high current, pressure systems, and cryogenics

At CFS, we excel in fast-paced environments, driven by our values of integrity, execution, impact, and self-critique. As we grow, we’re eager to bring on mission-driven folks who offer diverse perspectives and fresh ways to tackle challenges.

We value diversity deeply and are proud to be an equal opportunity employer by choice. We consider all qualified applicants equally, regardless of race, color, national origin, ancestry, citizenship status, protected veteran status, religion, physical or mental disability, marital status, sex, sexual orientation, gender identity or expression, age, or any other basis protected by law.

This role requires compliance with U.S. laws concerning the export of controlled or protected technologies or information (collectively, “Export Control Laws"). Any offer of employment will be contingent on the need for compliance with such Export Control Laws.

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More about this job

Skills

Procurement
Mechanical systems
Assembly
Bridge engineering
Communication skills
Siemens NX
Siemens Teamcenter
PLM
Software development
Python
Heavy lifting
Regulatory compliance

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