Senior Maintenance Mechanic

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 over $1 billion from long-time investors such as Sam Altman, Mithril, and Capricorn Investment Group and new investors SoftBank and Lightspeed to propel us forward. Our last prototype, Trenta, completed 10,000 high-power pulses and reached plasma temperatures of 100 million degrees Celsius (9 keV). Now, we're turning up operations for Polaris, working towards delivering the world's first fusion power plant.

More than ever, it's a pivotal time to join us and have the opportunity to solve real challenges to create a better energy future. You will see first-hand how we value urgency, rigor, ownership, and hard truths, knowing it will take each to do what no one has before. Joining us, you will push the boundaries of what's possible and transform humanity for the better - because the world can't wait.

What You Will Be Doing:

In this role, you’ll ensure that critical mechanical, electrical, and facility systems remain operational and safe to support Helion’s fusion development activities. We’re looking for an experienced Senior Maintenance Mechanic to take the lead on complex maintenance tasks, support team members, and improve the reliability and performance of the infrastructure that supports our mission. This is an onsite role based at our Everett, WA facility, reporting to the Maintenance & Services Manager.

You Will:

• Perform preventive and corrective maintenance on HVAC, plumbing, and electrical systems, along with a range of facility and utility systems found in a complex production environment
• Diagnose and repair issues across production and facility-dependent equipment, including boom lifts, scissor lifts, forklifts, and overhead cranes
• Maintain and repair access systems, including roll-up doors, pedestrian doors, and automated gate systems
• Coordinate and oversee vendor work to meet safety, security, and quality standards
• Document maintenance activities, including work orders, parts usage, and system performance
• Support continuous improvement initiatives and mentor junior technicians

Required Skills:

• 5+ years of experience in building, mechanical, or facility maintenance, including at least 2 years in a senior or lead role
• Demonstrated mechanical troubleshooting, repair techniques, and use of diagnostic tools
• Knowledge of LOTO (Lockout/Tagout) procedures and OSHA safety compliance
• Ability to read and interpret technical drawings, manuals, and schematics
• Skilled in operating motorized lift equipment (e.g., forklifts, scissor lifts, boom lifts)
• Comfortable working at heights and using fall protection equipment
• High school diploma or equivalent required; technical certifications in HVAC or related trades are a plus

Job Type: Full-time

Pay: $52.00 - $74.00 per hour

Expected hours: 40 – 50 per week

Benefits:

• 401(k)
• 401(k) matching
• Dental insurance
• Employee assistance program
• Health insurance
• Health savings account
• Life insurance
• Paid time off
• Parental leave
• Retirement plan
• Vision insurance

Schedule:

• 8 hour shift
• Monday to Friday
• Overtime
• Weekends as needed

Ability to Commute:

• Everett, WA 98203 (Required)

Ability to Relocate:

• Everett, WA 98203: Relocate before starting work (Required)

Willingness to travel:

• 25% (Preferred)

Work Location: In person