Commonwealth Fusion Systems (CFS)
Senior Controls Software Engineer
About 1 month ago
About the Job
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
About the Company

Commonwealth Fusion Systems (CFS)
<p>The world needs a fundamentally new source of clean energy to meet our growing energy demands and combat climate change. Scientists have been studying fusion for decades and have made significant progress, but have yet to achieve its potential as a commercial power source. However, its promise has continued to drive interest with the understanding that successfully deployed fusion power would transform the world’s energy landscape.</p> <p>Commonwealth Fusion Systems (CFS) was spun out of MIT's Plasma Science and Fusion Center to leverage the decades of fusion research combined with the innovation and speed of the private sector. Supported by the world’s leading investors in breakthrough energy technologies, the CFS team is uniquely positioned to deliver the fastest path to commercial fusion energy. CFS has assembled a world-class team to design and build fusion machines. This team includes experts in magnets, manufacturing, and plasma physics dedicated to the mission of delivering clean, limitless fusion power to the world.</p>
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