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 Software Engineer - Real-Time Control Systems & Simulation

The SPARC Software team seeks an exceptional software engineer to be a member of the Algorithms & Simulation group. This team is responsible for high-level tokamak orchestration, collaborating with fusion scientists to develop real-time plasma control algorithms, hardware-in-the-loop testbeds and simulation infrastructure necessary for validation, and develop other safety-critical control software that runs the SPARC tokamak and plant. SPARC senses thousands of physical measurements while controlling millions of amps to superconducting magnets and millions of watts of RF power to the plasma. These closed-loop systems must control at rates substantially greater than 1 kHz and must sample some parameters in the MHz range. The technology platforms involved include real-time Linux, bare-metal microcontrollers, FPGAs, and industrial PLCs. The testbeds and simulation environments must be able to validate software across all these platforms. The team will be responsible for both Hardware-in-the-Loop (HITL) and software-only testbeds. Specific infrastructure you will help develop may include software for test orchestration, deployment to testbeds, evaluation of test success, and automatic integration into continuous integration systems. The team will also develop models or model infrastructure for both real-time simulation (e.g. for HITL or operator training) or offline analysis (e.g. for high-fidelity algorithm development). Finally, the team will work with other software and engineering teams to define end-to-end and other integrated test cases and test plans to validate overall SPARC control software and ensure its adherence to design requirements.

What you'll do:

Develop safety-critical tokamak control software
Develop software infrastructure to operate Hardware-in-the-Loop (HITL) and software-only testbeds
Develop simulation models and model infrastructure for both real-time and off-line (high fidelity) simulations
Develop offline data analysis tools
Help define and execute end-to-end and other integrated test cases and test plans to validate SPARC control software
Work with hardware engineers to integrate/validate new components

What we’re looking for:

Engineering degree in related field, such as computer science, computer engineering, electrical engineering, etc.
Experience in developing software in python, C++, or similar languages
Experience in developing simulations to test embedded and real-time software
Experience in working on and developing infrastructure for Hardware-in-the-loop (HITL) testbeds and software-only testbeds
Experience with modern continuous integration and continuous deployment tools

Bonus points for:

Experience in validating software for safety-critical applications
Experience with validating industrial control software
Experience with developing physics based software models
Python, C++, or similar languages
Linux development
Microcontroller or FPGA development
Networking (IP/UDP/TCP)
Software/hardware interfaces (ADCs/DACs, uarts, ethernet, etc.)
Simulation hardware platforms (e.g. PXI)

Must-have Requirements:

Ability to occasionally lift up to 50 lbs
Perform activities such as typing for extended periods of time
Willingness to travel or work required nights/weekends/on-call occasionally
Work in a facility that contains industrial hazards including heat, cold, noise, fumes, strong magnets, lead (Pb), high voltage, high current, pressure systems, and cryogenics

#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.

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