The Role
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 Controls Software Engineer
As a Controls Engineer, you will be responsible for developing machine and operational concepts in collaboration with R&D staff and engineering peers. You will create a robust system architecture to support all controls components such as PLCs, safety devices, HMIs, servo drives, and more. For each project you will work from initial design all the way through commissioning, operational fine-tuning, and validation to ensure that all systems function reliably and meet their design goals. Additionally, you will work closely with cross-functional teams throughout the entire life cycle of the equipment and its operation. You will work with simulation and test engineers to integrate your software into software testbeds, hardware testbeds, and the tools.
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.
What you'll do:
- Work closely with R&D team to outline interfaces and requirements for equipment and software operation for equipment control
- Participate in initial equipment conceptual development and balance product specifications, operational control requirements, layout complexity, cost, quality, and lead time limits
- Write, and debug PLC structured text with an emphasis on generating code that is organized, structured, documented, maintainable, and reusable. PLC code will interact with subsystems and 3rd party equipment
- Implement (ANSI/RIA15.06/OSHA compliant) control reliable safety systems for safeguarding industrial equipment
- Design, modify, and approve electrical schematics for industrial and test equipment (compliant with NFPA79/NEC/UL508A standards)
- Generate aesthetically simple HMI screens for complex machinery while providing sufficient feedback for troubleshooting
- Create machine interactions with plant-wide SCADA to communicate product acceptability, machine status, and operational variables
- Debug and optimize automated operations to maximize cycle time, improve availability, and yield
- Work with external software contractors to develop the control systems for internal tools (Define requirements, manage priorities, drive testing and implementation plans)
What we’re looking for:
- Bachelor’s degree in a relevant engineering field (e.g., EE, mechatronics, software)
- 5+ years of experience as a controls engineer on complex mechanical systems --for example: design, construction, and operation of controls for industrial, large-scale equipment
- Proficient in structured text
- PLC programming experience in IEC 611:31-3 languages
- Familiar with modern tools like GitHub and CI/CD release management
- Familiarity with Python
- HMI design, implementation and maintenance
Bonus points for:
- Inductive Automation’s Ignition platform
- Experience in Beckhoff and Siemens controls platforms
- Experience with cable and harness design using AutoCAD Electrical
- Experience with enclosure design compliant with NFPA79/NEC/UL508A standards
- Experience developing and tuning control loops
Must-have Requirements:
- Ability to occasionally lift up to 50 lbs
- Perform activities such as stooping, climbing, standing, or sitting for extended periods of time
- Dedication to safety to mitigate industrial hazards that may include heat, cold, noise, fumes, strong magnets, lead (Pb), high voltage, and cryogenics
- Willingness to travel or work required nights/weekends/on-call occasionally
#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.
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The Company
What We Do
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. CFS is now building SPARC, the world's first commercially relevant, net energy fusion demonstration device. SPARC will pave the way for the first fusion power plant, ARC, that will produce power on the grid.
The ultimate 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.
