Senior Embedded Software Engineer
apex-technology-inc
Control Software Engineer
cfsenergy· Software Engineering
About this 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 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 Control Software Engineer
As a Control Software Engineer, you will be responsible for the design, implementation, and verification of software and controls for advanced R&D equipment and complex machinery.
As a member of the Software Engineering team you will be a hands-on technical contributor, a champion of writing excellent quality, production-ready code for mission-critical real-time systems. You will collect functional requirements from customers and produce software solutions to meet these requirements.
You will work with a variety of engineers to integrate your software into software testbeds, hardware testbeds, and the production tools. You will also contribute to the broader software ecosystem to improve tooling and processes used across the company.
What you'll do:
- Develop control software across multiple platforms, including PLCs and real-time Linux
- Develop operator interfaces and workflows
- Improve software tooling to increase developer velocity and enable new capabilities
What we’re looking for:
- Bachelor's degree in a relevant engineering field (computer science, computer engineering, electrical engineering, industrial engineering, etc.)
- 5+ years of experience with industrial control systems and/or embedded control systems
- 5+ years of experience in producing production quality control software
- Experience with modern software development lifecycle practices (CI/CD, git version control, unit testing, integration testing, etc)
- Proficiency with Python
- Proficiency with at least one real-time control language (C++, SCL/ST, Rust, etc)
Bonus points for:
- Experience with industrial protocols (e.g. EtherCat, Profinet, Modbus, etc)
- Experience developing Human-Machine Interfaces (HMIs) for industrial or scientific equipment
- Familiarity with industrial control platforms (e.g. Beckhoff or TwinCat)
- Familiarity with Linux
- Familiarity with general networking (IP/UDP)
Must-have Requirements:
- Perform activities such as typing, standing, sitting, etc. 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, high current, pressure systems, and cryogenics
- Willingness to occasionally travel or work required nights/weekends/on-call
#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.
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.
Frequently Asked Questions
What is the salary for the Control Software Engineer role at cfsenergy?
The listed salary for this Control Software Engineer position at cfsenergy is USD 110K–160K. This is an Full time role.
Where is the Control Software Engineer position at cfsenergy located?
This Control Software Engineer role at cfsenergy is based in Devens, MA. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Is the Control Software Engineer role at cfsenergy full-time or part-time?
This is listed as a Full time position. It is posted as a Control Software Engineer role in the Software Engineering department at cfsenergy.
Which team or department does the Control Software Engineer at cfsenergy belong to?
This Control Software Engineer position is part of the Software Engineering department at cfsenergy. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Control Software Engineer position at cfsenergy?
Click the "Apply Now" button on this page. You will be redirected to cfsenergy's official application portal hosted on lever where you can submit your application directly.
When was the Control Software Engineer job at cfsenergy posted?
This Control Software Engineer position at cfsenergy was posted on Aug 5, 2026. Apply as soon as possible — early applications are often reviewed first.
Control Software Engineer
cfsenergy · 💰 USD 110K–160K
You'll be redirected to cfsenergy's official application page on Lever.