Senior Electrical Simulation Engineer

About the Position

Senior Electrical Simulation Engineer

We are seeking a highly skilled Senior Electrical Simulation Engineer to join our innovative team at Helion in Everett, WA. In this role, you will be instrumental in developing and validating detailed circuit and system models that ensure the safe and stable operation of our fusion systems.

Responsibilities

• Lead development and validation of electrical simulation models at the circuit and systems levels
• Integrate electrical models with mechanical, thermal, and controls simulations to evaluate multidisciplinary interactions and optimize overall system performance
• Develop automation scripts to enable repeatable, automated execution of simulation activities
• Work with hardware, firmware, and software engineers to support bring-up, integration, and root-cause analysis
• Evaluate and deploy new simulation tools and processes to improve model fidelity, efficiency, and scalability
• Mentor and guide junior engineers in simulation techniques, model validation, and best practices

Requirements

• Bachelor's degree in Electrical Engineering, Electrical Engineering Technology, Computer Engineering, or related field
• 8+ years of experience creating system-level simulations in environments such as Simulink to capture dynamic behavior, fault response, and control interactions
• Experience with controls, power electronics, and energy delivery systems
• Experience developing and validating circuit-level electrical models using tools such as SPICE, Simetrix/Simplis, PLECS, or PSIM
• Experience with leading the design and execution of test campaigns to validate and refine simulation models through experimental measurement
• Experience with Python, MATLAB, or similar scripting languages for automation, data analysis, report generation, and workflow integration
• Troubleshooting and problem-solving skills with attention to detail in model validation and documentation
• Collaborate closely with cross-disciplinary engineering teams

We Offer

Our total compensation package includes benefits, including but not limited to:

• Medical, Dental, and Vision plans for employees and their families
• 31 Days of PTO (21 vacation days and 10 sick days)
• 10 Paid holidays, plus company-wide winter break
• Up to 5% employer 401(k) match
• Short term disability, long term disability, and life insurance
• Paid parental leave and support (up to 16 weeks)
• Annual wellness stipend

About the Company

Helion

We are a fusion power company based in Everett, WA, with the mission to build the world's first fusion power plant, enabling a future with unlimited clean electricity. Our vision is a world with clean, reliable, and affordable energy for everyone.

Since Helion's founding in 2013, we have raised $1.5 billion from long-time investors such as Sam Altman, Mithril, and Capricorn Investment Group as well as new investors including Thrive Capital, LightSpeed Venture Capital, SoftBank, and others to propel us forward. Our current prototype, Polaris, has reached record-breaking plasma temperatures of 150 million degrees Celsius (13 keV). Helion is continuing to iterate and on the path to the world's first fusion power plant, Orion.

This is a pivotal time to join Helion. You will tackle real-world challenges with a team that prizes urgency, rigor, ownership, and a commitment to delivering hard truths – values essential to achieving what no one has before. Together, we will change the future of energy, because the world can't wait.

Compensation

• $200K – $240K

Helion is an equal opportunity employer and values diversity at our company. We do not discriminate based on race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status. If you need assistance or an accommodation during the interview process, please let us know.