Helion Energy

Senior Electrical Simulation Engineer

Helion Energy$120K — $150K *
Aerospace & Defense
8 - 10 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in Electrical Engineering or related field
  • 8+ years of experience in system-level simulations using Simulink
  • Proficient in controls, power electronics, and energy delivery systems
  • Experience in developing circuit-level models with SPICE or similar tools
  • Led test campaigns to validate simulation models through experimental measurement
  • Proficient in Python, MATLAB, or scripting for automation and data analysis
  • Strong troubleshooting skills with attention to model validation
  • Ability to work collaboratively with cross-disciplinary teams

Responsibilities

  • Lead development of electrical simulation models for circuits and systems
  • Integrate interdisciplinary models to optimize system performance
  • Develop automation scripts for repeatable simulation execution
  • Collaborate with engineers for integration and root-cause analysis support
  • Evaluate and implement new simulations tools for improved model fidelity
  • Mentor junior engineers in simulation techniques and best practices

Benefits

  • Comprehensive medical, dental, and vision plans for employees and their families
  • Generous 31 days of PTO, including vacation and sick days
  • 10 paid holidays plus a company-wide winter break
  • Up to 5% employer match on 401(k) contributions
  • Coverage for short-term and long-term disability and life insurance
  • Paid parental leave up to 16 weeks
  • Annual wellness stipend
Full Job Description
What You Will Be Doing:

As a Senior Electrical Simulation Engineer focused on simulation, you will develop and validate detailed circuit and system models that guide design decisions and ensure the safe, stable operation of our fusion systems. You will create plant-level models to assess performance, evaluate subsystem interactions, and verify compliance with applicable standards and regulations. You will collaborate with cross-disciplinary teams to model and simulate the pulsed power devices, circuits, and physics that enable fusion machine operation. By combining hands-on lab work with advanced simulation methods, you'll accelerate our ability to represent complex electrical systems with confidence, ensuring the reliability of the fusion machine at scale. This is an onsite role that reports directly to Lead Electrical Engineer at our Everett, WA office.

You Will:
  • 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 improve model fidelity, efficiency, and scalability
  • Mentor and guide junior engineers in simulation techniques, model validation, and best practices

Required Skills:
  • 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

#LI-Onsite #LI-KL1

Benefits

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 Helion Energy

Helion Energy, Inc. is an American fusion research company, located in Everett, Washington. They are developing a magneto-inertial fusion technology to produce helium-3 and fusion power via aneutronic fusion.
Learn more about Helion Energy
Industry
Founded
2013

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