Senior Mechanical Engineer (Pulsed Power)

Location: Fremont, California, United States

Salary: $140,000–$200,000 USD per year, plus equity and benefits.

Company

Develops pulser-driven inertial fusion systems and components intended to provide abundant, affordable, clean energy.

What you will do

• Design, build, operate, and advance pulsed power systems, including high-voltage and high-current architectures.
• Develop control systems for pulsed power operation, safety, and automation, including PLC-based workflows.
• Operate systems during testing and data acquisition campaigns, including occasional work outside regular business hours.
• Acquire, process, visualize, and analyze experimental data to evaluate performance and stability.
• Translate experimental results into next-generation pulser designs and execute subsystem roadmaps.
• Lead design reviews, experimental planning, technical documentation, and collaboration with mechanical, electrical, and plasma physics teams.

Requirements

• Bachelor’s degree in Mechanical Engineering, Applied Physics, or a related field.
• 5+ years of experience designing complex systems and delivering R&D projects from concept through prototype and validation.
• Experience designing, developing, testing, and building prototype mechanical and electrical systems.
• Strong background in electronic design, control systems, and PLC software development.
• Proficiency with circuit simulation tools such as SPICE, PSCAD, or COMSOL, and data analysis using Python, MATLAB, or equivalent tools.
• Familiarity with engineering modeling and CAD software such as SolidWorks, ANSYS, or COMSOL Multiphysics.

Nice to have

• Advanced degree in Mechanical Engineering, Applied Physics, or a related field.
• Experience with high-voltage pulsed systems for fusion, plasma research, or accelerator applications.
• Hands-on experience integrating diagnostics and controls for high-energy experiments.
• Knowledge of safety standards and best practices in high-voltage or high-energy environments.

Culture & Benefits

• Work on a multidisciplinary fusion-energy R&D platform with high-energy experimental systems.
• Equity plan.
• 6% employer 401(k) matching.
• Paid time off, including sick leave, vacation, and paid family leave.
• Medical, dental, and vision insurance.