Senior Commissioning & Field Power Engineer

Mainspringenergy; Edison (CA); On-site; USD 110,000 - 165,000; Full time

Job summary

Mainspring Energy seeks a Commissioning Operations Engineer to design and implement resilient, clean power solutions for Commercial & Industrial customers. This role involves customer engagement, site visits, and configuring & starting up custom systems based on Mainspring's linear generators.

This new role offers an opportunity to shape future workflows and is ideal for analytical engineers comfortable in dynamic settings.

Qualifications

• Bachelor’s degree in mechanical engineering, electrical engineering, physics, or equivalent.
• Experience in project management.
• Strong organizational and communication skills.
• Understanding of electrical power distribution and control systems.
• Proficiency in Python, C++, MATLAB.
• Knowledge of industrial communication protocols (Modbus, Ethernet/IP).
• Strong analytical and problem-solving skills with troubleshooting ability.
• Demonstrates flexibility and willingness to take on new challenges.
• Detail‑oriented and comfortable in fast-paced environments.
• Enjoy working with complex systems and interdisciplinary teams.
• Willingness to travel nationwide up to 50% of the time.

Responsibilities

• Operate and test our Linear Generator units after new site installations to allow seamless integration into Mainspring’s growing LGen fleet.
• Travel to customer sites and project locations to support new installations, site acceptance tests, and customer demonstrations.
• Enhance current commissioning procedures to improve testing efficiency and shorten timelines.
• Troubleshoot and root cause operation issues with our linear generators in collaboration with other engineering teams such as Mechanical, Electrical, and Software & Controls.
• Work directly with our commissioning technicians to facilitate repairs, retrofits, and provide operational training on our generators.
• Analyze data, generate reports and communicate results from commissioning to our customers, internal project managers, and with engineering teams to facilitate learnings.
• Build and refine automation scripts, commissioning toolkits, and data‑driven processes that streamline onboarding, testing, and fault recovery.

Skills

Python

C++

MATLAB

Project management

Analytical thinking

Communication

Willingness to travel

Education

Bachelor’s degree in mechanical or electrical engineering, physics, or equivalent

Master’s degree preferred

Tools

Modbus

Ethernet/IP

Job description

Mainspring Energy seeks a Commissioning Operations Engineer to design and implement resilient, clean power solutions for Commercial & Industrial customers. This role involves customer engagement, site visits, and configuring & starting up custom systems based on Mainspring's linear generators.

This new role offers an opportunity to shape future workflows and is ideal for analytical engineers comfortable in dynamic settings.