Senior Maintenance Technician

Fusion Energy Base; Everett (WA); On-site; USD 70,000 - 100,000; Full time

Benefits offered by this job

Medical, Dental, Vision plans

31 Days of PTO (vacation + sick)

10 paid holidays and winter break

401(k) with up to 5% match

Disability and life insurance

Parental leave and wellness stipend

Job summary

Helion in Everett, WA, is seeking an experienced maintenance technician to support production equipment for fusion reactor systems. You will troubleshoot electrical and mechanical issues, perform preventive maintenance, and ensure equipment readiness on site.

The role requires a hands-on background in industrial maintenance, ability to read schematics, and experience with CMMS documentation. Flexibility for varied shifts and strong safety practices are essential.

Qualifications

• 5+ years of relevant hands-on technical maintenance experience.
• Ability to troubleshoot electrical and mechanical systems such as high voltage equipment, motors, drives, sensors, and safety circuits.
• Ability to read schematics, manuals, OEM docs, and maintenance records to diagnose issues.

Responsibilities

• Maintain production equipment used to build high-voltage capacitors and modules for Helion’s fusion reactor systems.
• Troubleshoot electrical and mechanical issues; perform preventive and corrective maintenance; restore equipment readiness.
• Document maintenance activity in a CMMS with labor, failures, repairs, parts, and history.
• Support reliability improvements and PM quality to improve uptime and MTTR.

Skills

Electro-mechanical troubleshooting

Electrical systems

Mechanical systems

CMMS documentation

Safety procedures

Education

High school diploma or equivalent

Technical degree / apprenticeship / military training

Tools

CMMS

Job description

About 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.

What You Will Be Doing

In this role, you will maintain production equipment used to build high-voltage capacitors and integrated modules for Helion’s fusion reactor systems. You will troubleshoot electrical and mechanical issues, perform preventive and corrective maintenance, restore equipment safely, and improve equipment readiness. This is an onsite role in Everett, WA reporting to the Supervisor of Technical Maintenance, and may require schedule flexibility as operations grow toward multi-shift and eventual 24/7 coverage.

You Will Maintain and repair automated and industrial production equipment, including high-voltage test systems, laser welding equipment, soldering equipment, material handling equipment, pumps, presses, conveyors, and related systems. Work safely around industrial hazards including high voltage, stored energy, pressurized systems, lasers, and robotic equipment using established safety controls such as LOTO and electrical safe work practices. Troubleshoot electrical, mechanical, and basic controls issues using schematics, manuals, OEM documentation, maintenance history, and structured escalation. Install, replace, and repair common electrical and mechanical components such as sensors, relays, contactors, motors, bearings, belts, gearboxes, pumps, valves, and seals. Document work in a CMMS or similar maintenance system, including labor, failures, repairs, parts, and equipment history. Support emergency repairs and reliability improvement by identifying failure modes, needed tools and spares, return-to-service checks, and opportunities to improve PM quality, uptime, MTTR, and equipment readiness. Other duties as required.

Required Skills

5+ years of relevant hands-on technical maintenance experience. Relevant backgrounds may include industrial or manufacturing maintenance, equipment service, military maintenance, aviation, automotive diagnostics, field service, or machine building. High school diploma or equivalent required; technical degree, apprenticeship, military technical training, or formal controls training may be considered in place of some direct experience. Electro-mechanical troubleshooting capability, with depth in either electrical or mechanical systems and safe working ability across both. Ability to troubleshoot industrial electrical and mechanical systems such as 480V equipment, motors, drives, sensors, power distribution, safety circuits, bearings, belts, gearboxes, pumps, valves, pneumatics, hydraulics, tooling, and mechanical assemblies. Ability to perform basic controls troubleshooting, including fault codes, sensor and actuator checks, field device replacement, and escalation of programming, logic, robot, HMI, or drive configuration issues. Ability to read and use schematics, manuals, OEM documentation, work instructions, and maintenance records to troubleshoot equipment. Ability to document maintenance activity in a CMMS or similar work order system and support critical equipment issues in a fast-paced manufacturing environment. Ability to work assigned schedules as operations evolve, including day, swing, night, rotating, overtime, weekend, or on-call coverage as needed. Ability to lift up to 49 pounds unassisted, stand and walk during shifts up to 12 hours, and regularly bend, lift, stretch, and reach below the waist and above the head.

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

Helion is an equal opportunity employer and value 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.