Senior Test Engineer

The role

You will design, build, and sustain electrical test systems to validate PCBAs, power electronics, and high-voltage assemblies. This is a hands-on, lab-based role working at the intersection of design engineering and production.

What you will do

• Design and deliver electrical test systems for PCBA and high-voltage assemblies
• Design test fixture PCBAs including schematic capture, layout, review, and bring-up
• Build, wire, debug, and maintain complete test racks and fixtures
• Develop and maintain data acquisition and control tools using Python or PLC-based systems
• Write and maintain test procedures, calibration standards, and test limits
• Analyze test data to generate FPY, yield, and performance metrics
• Work hands-on with technicians and supervisors to standardize test execution
• Support deployment and sustainment of test infrastructure at Contract Manufacturers

Required qualifications

• Bachelor’s degree in electrical engineering, Mechatronics, or a related field
• 5+ years of experience developing and supporting electrical or electronic test systems in R&D or production environments
• Demonstrated experience designing PCBAs for test fixtures or test systems, including schematic capture, layout, review, and bring-up
• Proficiency with ECAD tools such as Altium Designer or equivalent
• Strong hands-on experience designing, building, wiring, and debugging test racks, fixtures, harnesses, and control systems
• Working experience with Python or PLC-based systems for test sequencing, automation, and data acquisition
• Proficiency using standard lab instrumentation including oscilloscopes, DMMs, power supplies, electronic loads, and spectrum analyzers
• Strong understanding of electrical safety principles and lab best practices
• Strong analytical skills with experience interpreting FPY, yield, or performance metrics
• Proven ability to collaborate across design engineering, production, and technician teams and communicate clearly at multiple levels

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

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. The company has raised $1.5 billion from various investors to propel its fusion technology forward.