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 Controls Engineer
As a Controls Engineer, you are proficient in most or all core functions of your discipline, executing mid-to-long term assignments that are loosely defined. You operate with general guidance from management, increasingly taking independent ownership of developing execution approaches for equipment and process concepts.
You will generate work plans and define milestones for your own tasks, identifying and mitigating lower-risk items. You will provide technical leadership on short-term problems within your group's scope and lead formal design reviews with cross-functional teams.
What you'll do:
Independently own the complete lifecycle — physical mounting, pneumatic/electrical integration, and PLC I/O mapping through commissioning — for smaller equipment components and upgrades, handing off to Manufacturing Engineering
Support production equipment on the floor — troubleshoot faults, restore uptime, and follow through with root-cause analysis and preventative fixes
Provide technical leadership on short-term problems within your group's scope; lead formal design reviews with cross-functional teams (equipment/MEs)
Contribute to system architectures and electrical schematics, applying and standardizing elements compliant with NFPA79/NEC/UL508A standards
Write and debug PLC structured text with an emphasis on code that is organized, documented, maintainable, and reusable
Contribute to department policies, tool development, and the characterization of automated processes using data-driven approaches like Cpk and Gage R&R
Respectfully raise concerns and share data-driven perspectives in group settings to support the best path forward
Identify and mitigate lower-risk items (e.g., lead times, part tolerances) by coordinating with standard vendors; escalate larger risks to management
What we're looking for:
Bachelor’s degree in engineering field is required
4+ years' experience as controls engineer on electro-mechanical systems
Proficiency in Structured Text and Ladder; working knowledge of other IEC 61131-3 languages
Ability to apply sound reasoning and judgment on tasks and near-term project decisions, with review and support from senior engineers
Working knowledge of control-related safety systems (ANSI/RIA15.06/OSHA compliant) and enclosure design compliant with NFPA79/NEC/UL508A standards
A reliable and persistent work ethic, seeing tasks through to completion and staying determined in the face of uncertainty and failure
Familiarity with manufacturing equipment and hands-on fabrication or assembly skills (e.g., rotating machinery, cable winding, soldering, pipe bending, or similar)
Collaboration experience with job shops and external vendors
High self-motivation and drive to execute quickly with strong troubleshooting and problem-solving skills
A value for design for manufacturability, serviceability, and simplicity over complexity
Bonus points for:
Experience in Beckhoff and Siemens controls platforms
Experience in Ignition SCADA systems
Experience integrating equipment data into SCADA/data systems (e.g., IO-Link, MQTT)
Machine Vision experience
Greenfield or brownfield startup commissioning experience
Expertise with CAD drafting, specifically AutoCAD Electrical
Must-have requirements:
Ability to lift up to 50 lbs occasionally
Perform activities such as typing, standing, stooping, and 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 occasionally travel or work required nights/weekends/on-call
Additional Information
#LI-Onsite
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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