Facilities Staff Engineer (Mechanical)
What You Will Be Doing:
Helion is seeking a Facilities Staff Engineer (Mechanical) to join our growing Facilities team. In this role, you'll be the primary engineer responsible for designing, implementing, and owning the mechanical systems that power Helion's facilities. From HVAC and utilities to specialized building systems, you'll set the standard for how our environments are designed, built, and maintained.
You'll work closely with partners in operations, EH&S, Production and engineering to ensure our buildings are safe, reliable, and efficient. This role blends hands-on engineering with project leadership — ideal for someone who thrives on taking complex projects from concept through completion in a fast-paced, mission-driven environment. This is an onsite role that reports directly to the Senior Manager of Facilities at our Everett, WA office.
You Will:
Own the design, performance, and lifecycle of mechanical systems, including HVAC, compressed air, chilled water, exhaust, and other utilities
Establish and maintain standards for mechanical infrastructure across new and existing sites
Lead facility mechanical projects — from scope and design through construction, commissioning, and operations
Troubleshoot system issues and drive continuous improvement in reliability, sustainability, and cost efficiency
Manage contractors, vendors, and consultants to ensure quality and compliance with technical and safety requirements
Partner with EH&S to maintain compliance with codes, permitting, and environmental regulations
Contribute to long-term facilities planning to support Helion's expansion
Required Skills:
Bachelor's degree in Mechanical Engineering (or related field)
5+ years of experience in facilities, building systems engineering, or mechanical infrastructure projects
Strong knowledge of HVAC, utilities, plumbing, and building automation systems
Proven ability to own projects end-to-end, balancing technical depth with execution
Experience collaborating with contractors, design teams, and permitting authorities
Strong communication skills and ability to partner across technical and non-technical teams
Resourceful, proactive, and comfortable operating in a fast-moving environment
#LI-Onsite #LI-MM1
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