Senior Software Engineer - Real-Time Plant Control

Helion; Everett (WA); On-site; USD 170,000 - 230,000; Full time

Benefits offered by this job

Medical, Dental, Vision plans

PTO and holidays

401(k) match

Job summary

Helion is seeking a Senior Software Engineer to design, build, and scale software systems that operate its fusion generators and Orion power plant. You’ll work across control systems, diagnostics, data infrastructure, operator interfaces, and integration with electrical, mechanical, firmware, and science teams.

This generalist role requires moving between architecture and implementation, prototypes and production systems, and close collaboration with engineers and scientists to turn experimental

Qualifications

• Bachelor’s degree or equivalent practical experience in a technical field.
• 5+ years of professional software engineering experience.
• Experience owning complex software projects end-to-end.

Responsibilities

• Design, build, and maintain software for plant control, diagnostics, automation, and operator workflows.
• Own interfaces connecting sensors, actuators, controllers, databases, and visualization tools.
• Build reliable tools for monitoring machine health, performance, testing, and plant operations.

Skills

C++/Rust

Python

Hardware interfacing

Linux

Software lifecycle

Cross-disciplinary collaboration

End-to-end ownership

Onsite work

Education

Bachelor’s degree in CS/CE/EE/Physics or related field

Tools

Docker

InfluxDB

Grafana

Job description

Helion is seeking a Senior Software Engineer to design, build, and scale software systems that operate its fusion generators and Orion power plant. You’ll work across control systems, diagnostics, data infrastructure, operator interfaces, and integration with electrical, mechanical, firmware, and science teams.

This generalist role requires moving between architecture and implementation, prototypes and production systems, and close collaboration with engineers and scientists to turn experimental