Senior Systems Engineer

Commonwealth Fusion Systems

190

Devens, MA, United States

Posted on: 2025-07-01

Category: renewables

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Employment type:

Full time

Experience required:

Senior

Salary

Salary not provided

About the company:

Commonwealth Fusion Systems (CFS) has the fastest, lowest cost path to commercial fusion energy.

CFS is collaborating with MIT to leverage decades of research combined with new groundbreaking high-temperature superconducting (HTS) magnet technology. HTS magnets will enable compact fusion power plants that can be constructed faster and at lower cost.

The mission is to deploy fusion power plants to meet global decarbonization goals as fast as possible. CFS has assembled a team of leaders in tough tech, fusion science, and manufacturing with a track record of rapid execution. Supported by the world’s leading investors, CFS is uniquely positioned to deliver limitless, clean, fusion power to combat climate change.

If you are interested in joining our team, check out cfs.energy/careers for more information.

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 working with policymakers and suppliers to build the energy industry of the future.

We’re in the best position to make it happen. Since 2018, we’ve raised over $2 billion in capital – more than any other fusion energy company in the U.S.

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 Systems Engineer

CFS is currently looking for a Senior Systems Engineer, who will focus on implementation of Systems Engineering process and systems thinking to the Fueling (FUEL) and Vacuum Pumping System(VACP). The primary function of VACP is to provide rough, high, and ultra-high vacuum pumping to the Tokamak, Cryostat, and other systems’ interspaces. The primary role of the FUEL systems is to fuel the tokamak’s pulses and process the exhaust. This role is inherently cross-disciplinary, and will require collaboration with a wide variety of stakeholders to ensure that systems are designed, integrated, and operated successfully. The Senior Systems Engineer will be responsible for a group of subsystems, working on activities throughout the development lifecycle, including requirements development, V&V, interface definition, trade studies, risk assessment and management, operational concept/control architecture development, test planning, etc. The ideal candidate for this role is comfortable with learning a variety of new technical topics and being proactive to apply that knowledge to ensure that system development and implementation is successful in validating the current SPARC mission and future ARC programs.

Candidates interested in this role should have related experience and interest in working with the following types of systems we are currently looking for support on:

● Vacuum Pumping Systems

● Process Fueling Systems

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.

#LI-Hybrid

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.

What you'll do:

Elicit, decompose, and establish traceability of system requirements in the IBM DOORS Next Gen database

Coordinate, define, and control interfaces between VACP/FUEL and other tokamak and plant systems, as well as organizational interfaces with other groups like SPARC Operations

Conduct trade studies to drive/coordinate technical decision making. Present proposals for decision closures to the appropriate level of management

Conduct risk assessments using appropriate software and methods, and ensuring that risk mitigation plans are developed and implemented

Manage changes affecting VACP/FUEL technical baseline for impact to scope, safety, schedule, cost, performance, or interfacing systems

Support design review closure technical content, consistency, and accuracy

Develop test campaigns and test plans for and document evidence against requirements verification and validation

Develop requirement/risk informed testing and commissioning plans

What we’re looking for:

Bachelor's or Master's degree in Engineering, Physics, or a related field

8+ years of experience in Systems Engineering or related roles with a Bachelor's Degree, or 6+ years of experience with a Master’s Degree

Thorough understanding of and proficiency in Systems Engineering life cycle processes and how they are realistically implemented on fast paced projects

Experience working in the development of large, integrated and complex systems, preferably fusion, fission, energy, aerospace, defense, transportation, semi conductor, chemical plants, etc.

General knowledge of mechanical, electrical, I&C, and industrial concepts with the ability to learn and apply new technical concepts

Strong, foundational knowledge of vacuum engineering principles and methods

Strong foundational knowledge of chemical process systems

Hands on commissioning and operations experience

Strong interpersonal and technical communication skills, with the ability to proactively engage and communicate with a wide range of stakeholders

Experience working in an environment where creative, proactive problem solving is required with a wide range of stakeholders

Bonus points for:

Hands on integration and testing experience while leveraging Verification & Validation life cycle methods

General knowledge of tokamak and fusion plant engineering concepts

General knowledge in materials science and the way attributes and performance change with large gradients or extreme temperatures

Knowledge of radiation and operations around radiation

Experience with multi-objective design optimization techniques, specifically applied to architectural design of complex systems

Model Based Systems Engineering experience, specifically utilizing SysML based tools

Experience with technology roadmapping and development for first of a kind systems and programs

Must-have Requirements:

Perform activities such as typing, standing, or sitting for extended periods of time

Dedication to safety to mitigate hazards that may include heat, cold, noise, fumes, strong magnets, lead, high voltage, and cryogenics

Willingness to travel or work required nights/weekends/on-call occasionally to support off site testing

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