Salary
$134k – $205k per year
Location
In office (Devens)
Seniority
Senior · 7+ years exp
Employment
Full-Time
Confirmed on the employer's own hiring board on Oct 24, 2026. First seen by Alion on Oct 14, 2026. Commonwealth Fusion Systems scores B on the Alion truth index.
Overview
Company
Impact
Profile match
Commonwealth Fusion Systems is a commercial fusion energy company headquartered in Devens, Massachusetts, and founded in 2018. The firm specializes in the development of high-temperature superconducting magnets and compact tokamak devices, specifically the SPARC net-energy machine and the ARC commercial power plant. It operates through a strategic partnership with the Massachusetts Institute of Technology and focuses on scaling fusion technology to provide carbon-free, baseload power to global energy markets.
Backed by Coatue, Khosla Ventures, Silicon Valley Investclub
Join the power movement as a Senior Controls Engineer
As a Senior Controls Engineer, you are an expert in core functions and have a deep understanding of specific domains. You will take independent ownership of developing execution approaches for complex machine and process concepts, operating with little direction from management.
You will generate detailed work plans, define milestones for complex work, and define processes that impact the broader department. You will act as a technical leader, providing expertise for long-term assignments and mentoring junior engineering staff.
What you'll do:
- Lead the initial equipment conceptual development while balancing product specifications, process control requirements, layout complexity, and lead time limits
- Act as the Responsible Engineer (RE) for complex equipment assets or SCADA modules, independently managing deployment through commissioning and post-commissioning stabilization
- Diagnose complex, systemic equipment failures on the production floor and independently lead formal root cause analyses (RCA) to deliver long-term solutions
- Provide technical leadership on medium to long-term problems and share expertise outside of the immediate group
- Create and approve robust system architectures and electrical schematics (compliant with NFPA79/NEC/UL508A standards) for manufacturing and test equipment, designed for modularity and reuse across future equipment
- Write and debug PLC structured text with an emphasis on code that is organized, documented, maintainable, and reusable
- Define technical requirements and documentation packages for external equipment vendors and integrators
- Contribute to department policies, tool development, and the characterization of automated processes using data-driven approaches like Cpk and Gage R&R
- Respectfully challenge and influence cross-functional peers to achieve alignment on the best path forward, leveraging data and rationale to support your point of view
- Regularly help onboard peer employees and formally mentor junior colleagues to support their professional growth and skill development
- Identify and mitigate low and medium risks while identifying larger risks and proposing solutions to management
What we're looking for:
- Bachelor's degree in an engineering field is required
- 7+ years' experience as a controls engineer on complex electro-mechanical systems
- Mastery of programming and troubleshooting automation controllers in all IEC 61131-3 designated languages
- Proven ability to apply sound reasoning and considerable judgment in ambiguous situations where decisions impact large portions of a project
- Experience with control reliable safety systems (ANSI/RIA R15.06/OSHA compliant)
- Expertise in 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 rotating machinery, cable winding, soldering, and/or pipe bending
- Collaboration experience with job shops and external vendors
- High self-motivation and drive to execute quickly with excellent troubleshooting and problem-solving skills
- Demonstrated commitment to 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
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