Commonwealth Fusion Systems

Develops high-temperature superconducting fusion magnets

Senior Mechanical Engineer - Assembly Equipment

Design EngineeringConfirmed live in the last 24 hours

Full-timeDevens, MA, USA$134k - $205k /yr

About the Job

Requirements

A Bachelor of Science degree in Civil, Mechanical, or Aerospace Engineering.
At least 7 years of Mechanical Engineering experience demonstrating project ownership.
At least 4 years of experience overseeing an in-progress construction, manufacturing, or assembly/integration process.
At least 4 years of experience with computer-aided design (CAD) software.
Ability to occasionally lift up to 50 pounds.
Ability to perform activities such as typing, standing, stooping, climbing, or sitting for extended periods.
Ability to work on-site five days per week when assembly operations with relevant tools are underway, with possible first- or second-shift assignment.
Ability to work in a facility containing industrial hazards, including heat, cold, noise, fumes, strong magnets, lead, high voltage, high current, pressure systems, and cryogenics.
Compliance with U.S. laws concerning the export of controlled or protected technologies or information is required; any employment offer is contingent on compliance.

Responsibilities

Own, design, and complete engineering development of tooling, lifting, manipulation, and support frames for movement, handling, guidance, and integration of SPARC system components.
Formulate the strategy for each assembly step using the tools and coordinate and guide system teams during parallel design activities to optimize assembly logic, steps, practices, methods, strategies, and related details.
Analyze tool structures and kinematics to ensure tools can safely perform the intended movement or support.
Ensure tool and personnel access is available as required for system assembly steps outlined by system owners.
Assist in developing alignment plans for precision placement of magnets and vessels by providing tools for handling and manipulating parts to meet alignment requirements.
Plan part movement at each step and ensure there are no interferences with other systems during movement.
Oversee tool fabrication at outside vendor shops, providing guidance and troubleshooting to ensure tools are built to required specifications.
Specify and procure all purchased hardware required for the tools.
Prepare assembly work-instruction packets for each tool and carry out assembly, proofing, and activation of owned tools on-site.
Work with tooling engineers, designers, and assembly package coordinators, and direct personnel performing tokamak assembly in using the tools and carrying out related assembly steps.
Collaborate with teammates to receive feedback early and often and ensure requirements are met; involve and review with adjacent subsystem experts on projects involving high loads, vacuum requirements, and complex manipulation.

Desired Qualifications

At least 3 years of experience with Siemens NX.
Lifting operations experience.
Knowledge of welding.
Knowledge of piping and tubing construction and joining.
Experience with highly complex or delicate assemblies.
Experience with assembly or integration in tightly packaged spaces.
Experience with fast-paced and dynamic construction, manufacturing, or assembly/integration builds.
Experience designing simple yet sizeable alignment and positioning fixtures.
Experience with heavy component manipulation and welding of large structures.

Salary Range: 134000 to 205000 (Currency: USD) (Pay period: per-year-salary)

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 Senior Mechanical Engineer

As a Senior Mechanical Engineer on the Assembly Team at CFS, you design, develop, and manage fabrication of the wide variety of unique tooling needed for the successful assembly and integration of the SPARC tokamak device. This will entail the development of the overall concept, engineering, and use strategy of each tool assembly, and of the assembly step that the tool will facilitate. You will work closely and collaborate with the system teams to find the most efficient, creative, cost-effective, and safest way to manipulate, guide, and integrate each part of the larger tokamak system, design and build the tools needed, then finally write work-instruction packets that guide the use of the tool at the time of assembly. You will use your expertise on our most complex, largest, and most critical tools and manipulations, ensuring completion of the most challenging parts of SPARC assembly. You will guide and create how the giant parts of this multi-million pound “swiss-watch” come together, and the mega-tools to do it! This work is conducted within a multi-disciplinary team of physicists and engineers as part of collaborative sponsored research projects at the MIT Plasma Science and Fusion Center and within CFS.

What you'll do:

Ownership, design, and complete engineering development of the tooling, lifting, manipulation, and support frames for successful movement, handling, guidance, and integration of SPARC system components.
Formulate the general strategy for each assembly step utilizing these tools, as well active coordination and guidance of the system teams during parallel design activities for optimum assembly logic, steps, best practices, methods, strategies, and other details.
Analysis of the tool structures and kinematics to ensure that the tool can adequately and safely conduct the movement or support as designed.
Within the plan development, ensuring tool and personnel access is available as required for system assembly steps as outlined by the system owners.
Assist development for the alignment plan for precision placement for magnet and vessels by providing tools for successful handling and manipulation of parts to meet alignment requirements.
Responsible for the plans for part movement at each step and ensuring no interferences with other systems during movement.
Oversight over fabrication of the tools at outside vendor shops, with guidance and troubleshooting to ensure the tool is built to the specifications required.
Specification and procurement of all purchased hardware required for the tools.
Responsible for the assembly work instruction packets for each tool, to be used during the assembly phase of SPARC, as well as the assembly, proofing, and activation of the tools in your ownership on-site.
Work with other tooling engineers, designers, and assembly package coordinators, as well as direct personnel performing the Tokamak Assembly during on-site work in the use of your tool and related assembly step.
Work with teammates in a collaborative fashion to receive feedback early and often to ensure all requirements are met. Many SPARC projects involve high loads, vacuum requirements, and complex manipulation requiring the involvement and review of adjacent sub system experts.

What we’re looking for:

Civil, Mechanical, or Aerospace Engineering B.S.
7+ years of Mechanical Engineering Experience demonstrating project ownership
4+ years experience overseeing an in-progress construction, manufacturing, or assembly/integration process
4+ years of experience with CAD software

Bonus points for:

3+ years of experience with Siemens NX
Lifting operations experience
Knowledge of welding
Knowledge of piping and tubing construction and joining
Experience with highly complex or delicate assemblies
Experience with assembly or integration in tightly packaged spaces
Experience with fast-paced and dynamic construction, manufacturing, or assembly/integration builds
Design of simple yet sizeable alignment and positioning fixtures
Heavy component manipulation and welding of large structures

Must-have Requirements:

Ability to occasionally lift up to 50 lbs
Perform activities such as typing, standing, stooping, climbing or sitting for extended periods of time
Required onsite 5 days/week when assembly operations with relevant tools are underway, with possible first or second shift assignment
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.

About the Company

Commonwealth Fusion Systems

Develops high-temperature superconducting fusion magnets

Commonwealth Fusion Systems builds fusion energy systems that aim to provide clean, affordable power. It designs tokamaks using high-temperature superconducting magnets to make smaller, less expensive machines. Its flagship SPARC is intended to produce net energy, with ARC envisioned as the first commercial fusion power plant. The company collaborates with MIT and focuses on a data-driven, mission-focused path to scalable fusion energy for large energy users.

Company size: 1,001-5,000
Company stage: Grant
Total funding: $4B
Headquarters: Harvard, MA
Founded: 2018

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