Helion · 1 day ago
Senior Test Engineer
Everett, WA
Full-time
Onsite
Senior Level
$182K/yr - $214K/yr
5+ years expHelion is a fusion power company based in Everett, WA, dedicated to building the world's first fusion power plant. The Senior Test Engineer will develop, optimize, and maintain automated test systems for power electronics and high-voltage assemblies, ensuring robust and repeatable testing processes to support the production of critical components for fusion prototypes.
EnergyEnvironmental EngineeringRenewable Energy
Responsibilities
Develop automated and semi-automated test systems for PCBA and high-voltage assemblies, including fixture design, instrumentation selection, and control software integration
Work with Contract Manufacturers (CMs) to deploy, validate, and maintain test systems in external facilities
Write and maintain test procedures, calibration standards, and test limits in collaboration with design engineers and production leadership
Support hands-on setup, wiring, and debugging of test racks, DAQ systems, and electrical interconnects
Develop and maintain data acquisition and automation tools using Python or PLC-based systems to increase throughput and reliability
Analyze test data to produce FPY and performance reports, proposing threshold adjustments in partnership with design teams to balance yield and quality
Collaborate with technicians and test supervisors to train and standardize best practices in test execution and safety
Continuously improve the efficiency, scalability, and maintainability of existing test systems across PCBA test equipment and HV test bays
Drive cross-functional initiatives that reduce operator requirements and improve test cycle times without compromising safety or rigor
Qualification
Required
Bachelor's degree in Electrical Engineering, Mechatronics, or related technical field
5+ years of experience developing and supporting electrical or electronic test systems in R&D or production environments
Proficient with standard benchtop instruments such as oscilloscopes, power supplies, DMMs, Eloads, signal generators, and data acquisition equipment
Experience developing automated tests using Python or other PLC-based systems
Experienced in interpreting electrical schematics, PCB layouts, and wiring diagrams
Demonstrated hands-on ability to build, wire, and debug test racks, harnesses, and control systems
Understanding of electrical safety principles
Strong analytical skills with experience generating and interpreting FPY or process capability reports
Proven ability to collaborate across engineering and production teams to deliver robust, scalable solutions
Benefits
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
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.
201-500 employees
H1B Sponsorship
Helion has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2024 (1)
2023 (2)
2022 (1)
2021 (1)
Funding
Current Stage
Late StageTotal Funding
$1.04BKey Investors
Nucor CorporationSam AltmanDustin Moskovitz
2025-01-28Series F· $425M
2023-09-27Corporate Round· $35M
2021-11-05Series E· $500M
Leadership Team
David Kirtley
Founder and CEO
Chris Pihl
Co-Founder, CTO
Recent News
2025-12-24
Crunchbase News
2025-12-18
Company data provided by crunchbase