Senior Mechanical Design Engineer

The role

A Senior Mechanical Design Engineer will design next generation power-generating turbines. You will own designs from concept through production and field use, working from individual parts to full system integration.

What you will do

• Own detailed CAD models, layouts, and drawings (ASME Y14.5) for turbomachinery hardware
• Validate designs with hand calculations and FEA
• Partner with experts in aero, fluid systems, electrical, materials, and test
• Carry hardware through fabrication, assembly, and test
• Work directly with machinists and technicians to solve production issues
• Support Field Ops after delivery and bring learnings back into design
• Maintain design documentation, including design reviews, specifications, and BOMs
• Develop concepts for new machines and fluid systems

Required qualifications

• Bachelor’s in mechanical engineering or a related field, or equivalent experience
• 5+ years in mechanical design on complex machinery, including parts designed that were built and assembled into a working machine
• Strong first-principles fundamentals in statics, dynamics, fluids, thermodynamics, and materials, including stress and thermal hand calcs
• Experience with FEA and/or CFD tools (e.g., ANSYS)
• Production-quality drawings with GD&T
• Working knowledge of DFM across 5-axis machining, additive, casting, forging, precision grinding, and gear/spline hobbing
• Working knowledge of machine elements and secondary systems: fastener preloads, sealing interfaces and seal selection, high-performance polymers for bushings and seals, and piping, valves, pumps, sens
• Proficiency in a modern CAD package
• Willingness to ramp up on Siemens NX right away
• Clear, direct communication, including giving and taking feedback on technical issues and mistakes

Nice to have

• Turbomachinery design experience (gas turbines, steam turbines, pumps), including rotors, bearings, seals, casings, and shafts
• Rotordynamics, vibration, and fatigue analysis; leakage flow and thrust management
• Hands-on experience making and assembling parts yourself
• Siemens NX / Teamcenter
• Mechanical routing or surface modeling

Benefits

• Equity options
• 100% company-covered Platinum or HD/HSA medical
• 100% company-covered dental and vision
• Daily catered lunch
• Several annual social and team building outings

About the company

Critical Energy is a venture-backed cleantech company that designs and manufactures factory-built, modular power plants. The company aims to accelerate the global energy transition through geothermal innovation.