Prototype Machinist for Advanced Engine Components

Liquidpiston; Suffield (CT); On-site; USD 55,000 - 75,000; Full time

Benefits offered by this job

PTO

Healthcare coverage

Equity RSUs

401(k) with match

Growth opportunities

Job summary

LiquidPiston in Bloomfield, CT is seeking a skilled Machinist to work onsite in a hands-on R&D environment. You will operate manual and CNC mills to manufacture prototype engine components, tooling, and fixtures, collaborating with engineers to turn designs into working hardware.

The role emphasizes problem solving, attention to detail, and adapting to varied projects across materials. Onsite five days per week with relocation to Suffield, CT planned for 2026.

Qualifications

• Experience operating manual and CNC milling machines.
• Ability to read and interpret engineering drawings.
• Experience using precision measuring tools and inspection equipment.
• Experience machining metals such as aluminum, steel, stainless steel, or other engineering materials.
• Strong mechanical aptitude and hands-on problem-solving skills.
• Ability to work onsite five days per week.

Responsibilities

• Set up and operate manual and CNC milling machines to produce prototype engine components, fixtures, tooling, and other precision hardware.
• Read and interpret engineering drawings, specifications, and GD&T.
• Select appropriate cutting tools, workholding methods, speeds, and feeds for milling operations.
• Machine a variety of metals and other materials to specified dimensions and tolerances.
• Perform first-piece and in-process inspections using precision measuring equipment.
• Use micrometers, calipers, indicators, height gauges, bore gauges, and other inspection tools.
• Make adjustments to machining processes to achieve required dimensions, surface finishes, and tolerances.
• Work closely with engineers to manufacture, modify, and improve prototype components.
• Assist with prototype development, design iterations, and manufacturing improvements.
• Modify or repair existing components as needed.
• Troubleshoot machining and manufacturing issues and recommend practical solutions.
• Communicate with engineers and technicians regarding machining challenges, part requirements, and potential improvements.
• Maintain a clean, organized, and safe work area.
• Properly maintain and care for machines, tooling, and equipment.
• Document work and communicate machining results, issues, and recommendations to engineering and operations teams.
• Support other fabrication, assembly, and prototype development activities as needed.

Skills

Manual milling

CNC milling

GD&T reading

Precision measuring

Prototyping experience

Team collaboration

Independent work

Attention to detail

Tools

Calipers

Micrometers

Height gauges

Bore gauges

Job description

LiquidPiston in Bloomfield, CT is seeking a skilled Machinist to work onsite in a hands-on R&D environment. You will operate manual and CNC mills to manufacture prototype engine components, tooling, and fixtures, collaborating with engineers to turn designs into working hardware.

The role emphasizes problem solving, attention to detail, and adapting to varied projects across materials. Onsite five days per week with relocation to Suffield, CT planned for 2026.