Senior Electrical Engineer, Hardware in the Loop

About the Company

Helion is 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. Since 2013, Helion has raised $1.5 billion to propel its mission forward, including the development of the Polaris prototype.

Responsibilities

• Design, build, and maintain Hardware-in-the-Loop (HIL) testbeds and supporting infrastructure
• Automate hardware test systems to support regression testing of integrated electrical hardware
• Control and automate lab equipment such as power supplies, function generators, source meters, and oscilloscopes
• Develop test scripts and frameworks to enable repeatable, automated execution of test campaigns
• Work closely with hardware, firmware, and software engineers to define test requirements
• Run acceptance and qualification test campaigns at an integrated system level
• Troubleshoot and debug across hardware, software, and test automation boundaries
• Document testbed architectures, test procedures, and results

Requirements

• Bachelor’s degree in Electrical Engineering, Electrical Engineering Technology, Computer Engineering, or related field
• Strong programming experience in Python, including test automation frameworks
• Experience using PyVISA or similar libraries to control lab instrumentation
• Hands-on experience with lab equipment (power supplies, function generators, oscilloscopes, source meters)
• Familiarity with unit testing frameworks and automated regression testing
• Linux experience for development, scripting, and test environment management
• Strong troubleshooting and problem-solving skills across hardware/software boundaries
• Ability to collaborate closely with cross-disciplinary engineering teams

Benefits

• Medical, Dental, and Vision plans
• 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 (up to 16 weeks)
• Annual wellness stipend