Real-Time Software Engineer

Company: Commonwealth Fusion Systems LLC
Location: Milpitas
Posted on: April 4, 2025

Job Description:

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 Realtime Software EngineerThe Realtime Software Engineer will be responsible for the design, debug, and implementation of the software and controls of advanced R&D equipment and complex machinery. As a member of the controls software 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 simulation and test engineers to integrate your software into software testbeds, hardware testbeds, and the production tools.What you'll do:

• Work within a multi-disciplinary and proven team of top scientists and engineers
• Specify, write, and test control software for advanced production equipment
• Own the specification, design, testing, and implementation of key systems such as interlocks, sensors and actuators, higher level tool control and user interface programming
• Work closely with process team to outline interfaces and requirements for equipment and software operation for equipment control
• Engage with mechanical and electrical engineers on concepts, designs, and test plans by providing data acquisition and controls as needed
• Work with external software contractors to develop the control systems for internal production tools (Define requirements, manage priorities, drive testing and implementation plans)What we're looking for:
  • A bachelor's degree in a relevant engineering field (e.g., mechatronics, software)
  • 7+ years of experience as software engineer on complex mechanical systems -- for example: design, construction, and operation of controls for industrial, large-scale equipment
  • Working knowledge of Python, C++, C and other high level languages along with modern tools like github and CI/CD release management
  • Broad realtime system software development experience including C++ driver development, OS platform development, and real-time application development
  • Experience with fieldbus systems such as EtherCAT
  • Experience developing and tuning control loops
  • Demonstrated ability to conceive novel solutions to challenging problems
  • Experience with specification generation and supplier engagement
  • C++, Python (compiled systems programming and interpreted scripting languages) in Linux environment
  • Networking (IP/UDP/TCP)
  • Software/hardware interfaces (ADCs/DACs, uarts, ethernet, etc.)
  • Knowledge of interlock systems and methods that conform to NFPA 79 and SEMI S2
  • High self-motivation and drive to execute quickly with excellent troubleshooting and problem-solving skillsBonus points for:
    • Low-latency network communication
    • Knowledge of high-vacuum systems and hardware
    • Design for manufacturability, serviceability, and simplicity over complexityMust-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$80,000 - $180,000 a yearSalary range for this full-time position + equity + benefits. The actual salary will depend on level, location, qualifications, and experience. The range displayed on each job posting reflects new hire salaries for the position across all US locations. Benefits include:
        • Competitive compensation with equity
        • 12.5 Company-wide Holidays
        • Flexible vacation days
        • 10 sick days
        • Generous parental leave policy
        • Health, dental, and vision insurance
        • 401(k) with employer matching
        • Professional growth opportunities
        • Team-building activities#LI-OnsiteAt 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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Keywords: Commonwealth Fusion Systems LLC, Tracy , Real-Time Software Engineer, IT / Software / Systems , Milpitas, California