Prototype Engineer (CNC)

Description

• Perform basic CNC machine maintenance, including cleaning, lubrication, chip and coolant management, and simple troubleshooting
• Follow all safety procedures around rotating equipment, hoists, forklifts (if trained), and other production tools
• Handle, move, and stage raw materials, work-in-process, and finished parts in the shop
• Support prototype builds, test articles, and engineering change implementations in the shop environment
• Load and secure raw material, fixtures, and tooling into CNC machines
• Perform in-process and final inspections using calipers, micrometers, gauges, and other measurement tools
• Adjust machine settings, offsets, and tooling as needed to maintain part quality and repeatability
• Set up, operate, and monitor CNC machines (mills, lathes, and similar equipment) to produce parts according to drawings and specifications
• Assist with mechanical assembly, subassembly builds, and test setups as needed
• Help design and fabricate components, operate CNC machines, and assemble and build prototype and production hardware in collaboration with engineers and technicians
• Work with engineers to provide feedback on manufacturability, tolerances, and fixture or process improvements
• Interpret engineering drawings, models, and GD&T to ensure parts meet dimensional and tolerance requirements
• Maintain a clean, organized, and safe work area

Requirements

• Experience with mechanical assembly of parts and subassemblies
• Significant hands-on experience operating CNC milling and/or turning equipment in a production, prototyping, or R&D environment
• Ability to read and interpret mechanical drawings, including basic GD&T
• Experience in a hardware startup, R&D lab, or similar fast-paced environment
• Experience contributing to fixture design or simple CAD updates to support machining
• Experience supporting prototype builds for energy, marine, or industrial systems
• Basic familiarity with welding, fabrication, or other metalworking techniques
• Ability to lift, move, and handle materials and parts consistent with a typical machine shop (with appropriate equipment and team support)
• Familiarity with common machine-shop tools, cutting tools, work holding, and basic machining practices

Benefits

• Comfort working full-time in a shop and test environment with engineers and technicians
• 7 company-paid holidays: New Year’s Day (January 1), Memorial Day, Fourth of July, Labor Day, Thanksgiving Day, the Friday after Thanksgiving, and Christmas Day
• Medical, dental, and vision coverage
• 401(k) with employer match
• Stocked kitchen
• 4 weeks paid time off + 2 weeks sick and safe leave
• Company-paid life, disability, and basic protections

Training + Development

Interview process

Visa Sponsorship

Security clearance