Mechanical Engineer - Construction & Capital Projects

About this role

Gotion Inc. seeks a Mechanical Engineer to design and support mechanical infrastructure and utility systems for a large-scale lithium battery manufacturing facility under construction in Illinois. You'll collaborate across engineering disciplines during construction, commissioning, and startup while managing capital projects in a fast-paced manufacturing environment.

What you'll do

• Design and implement mechanical systems for new construction, facility expansions, and capital improvement projects
• Develop mechanical drawings, utility layouts, piping diagrams, and construction documents for review
• Support construction teams during installation, commissioning, startup, and project closeout phases
• Coordinate with electrical, civil, controls, facilities, and construction teams on project execution
• Perform engineering calculations for equipment sizing, utility demand, and piping system design
• Review contractor submittals, RFIs, engineering changes, and ensure compliance with codes and standards

What they're looking for

• Industrial utility systems (compressed air, natural gas, chilled water, HVAC, process water)
• Piping system design and layout
• Mechanical equipment sizing, selection, and commissioning
• P&ID, mechanical drawings, and construction document interpretation
• Pump, valve, and heat exchanger fundamentals
• Utility load calculations and equipment specification
• Building code and OSHA compliance knowledge
• Troubleshooting and reliability-focused design

Likely interview questions

• Describe your experience designing or supporting utility systems in a manufacturing or industrial facility—what systems were you most involved with?
• Walk us through how you approach utility load calculations and equipment sizing for a new facility area.