Engine Builder

LiquidPiston; Suffield (CT); On-site; USD 30,000 - 47,000; Full time

Benefits offered by this job

PTO: 3 weeks + 10 holidays

Health & Wellness coverage

Equity participation (RSUs)

401(k) Match

Job summary

LiquidPiston, Inc. is seeking an Engine Build Technician to join our on-site team in Bloomfield, CT with relocation planned to Suffield, CT in 2026.

This hands-on role focuses on assembly, inspection, and maintenance of rotary engines, requiring strong mechanical aptitude and attention to detail. You will work closely with engineers to support design iterations, document procedures, and maintains a safe, organized shop environment.

Qualifications

• Proven mechanical aptitude from automotive, aerospace, machining, or similar hands-on fields.
• Ability to read and interpret mechanical drawings and assembly documentation.
• Excellent problem-solving skills and ability to work independently.
• Strong attention to detail with a focus on high-quality workmanship.
• Familiarity with hand tools, torque wrenches, gauges, and shop equipment.
• Experience with rotary or internal combustion engines is a plus.
• Ability to lift 50 lbs and perform physical tasks in a workshop setting.

Responsibilities

• Perform precision assembly and disassembly of prototype and production rotary engines.
• Inspect and measure machined components using calipers, micrometers, and other precision tools.
• Identify and resolve mechanical issues during engine build processes.
• Maintain accurate inventory of tools, components, and consumables.
• Ensure a clean, organized, and safe work environment in the shop and lab areas.
• Perform routine maintenance and minor repairs on equipment and shop infrastructure.
• Collaborate closely with engineers and other technicians to support design iterations and testing.
• Document build procedures, discrepancies, and improvements for continuous process optimization.

Skills

Mechanical aptitude

Read drawings

Problem solving

Attention to detail

Hand tools

Rotary engines

Lifting 50 lbs

Tools

Torque wrenches

Gauges

Shop equipment

Job description

Engine Build Technician

Location: This position is fully onsite, five days per week, at our Bloomfield, CT facility. The company plans to relocate to Suffield, CT later in 2026.

Employment Type: Hourly

About LiquidPiston: LiquidPiston, Inc. is an innovative engineering company revolutionizing the future of power systems through compact, efficient, and fuel-flexible rotary engines. Founded on breakthrough thermodynamic principles, our patented technologies are designed to deliver high power density with unmatched efficiency and low emissions. Our engines support a wide range of applications across aerospace, defense, energy, and mobility markets. At LiquidPiston, we combine cutting‑edge research with hands‑on engineering to turn bold ideas into real‑world solutions.

Position Overview: We are seeking a highly motivated and detail‑oriented Engine Builder to join our growing technical team. This hands‑on role is essential to the assembly, inspection, and maintenance of our cutting‑edge rotary engines. The ideal candidate will bring a strong mechanical background, a proactive mindset, and a high level of craftsmanship to support our engineering and R&D efforts.

• Perform precision assembly and disassembly of prototype and production rotary engines
• Inspect and measure machined components using calipers, micrometers, and other precision tools
• Identify and resolve mechanical issues during engine build processes
• Maintain accurate inventory of tools, components, and consumables
• Ensure a clean, organized, and safe work environment in the shop and lab areas
• Perform routine maintenance and minor repairs on equipment and shop infrastructure
• Collaborate closely with engineers and other technicians to support design iterations and testing
• Document build procedures, discrepancies, and improvements for continuous process optimization

• Proven mechanical aptitude from automotive, aerospace, machining, or similar hands‑on technical fields
• Ability to read and interpret mechanical drawings and assembly documentation
• Excellent problem‑solving skills and ability to work independently
• Strong attention to detail with a focus on high‑quality workmanship
• Familiarity with hand tools, torque wrenches, gauges, and shop equipment
• Experience with rotary or internal combustion engines is a plus
• Ability to lift 50 lbs and perform physical tasks in a workshop setting

• PTO: We value work–life balance and encourage time to rest and recharge. Our benefits include 3 weeks of PTO (which covers vacation and sick time) plus 10 paid holidays.
• Health & Wellness: Comprehensive medical and voluntary dental, and vision coverage - you choose what works best for you.
• Equity Participation: Employes may receive RSUs (Restricted Stock Units).
• 401(k) Match: We offer a 401k w/100% matching up to 3% of your salary and then 50% of contributions between 3-5%.
• Career Growth: Ongoing training, mentorship, and learning opportunities to accelerate your growth.

Our Culture At LiquidPiston, we embrace challenges, move fast, and celebrate curiosity. Our team thrives on collaboration, creativity, and perseverance. We understand that innovation involves risk—and we’re not afraid to fail forward.

Equal Opportunity Employer

LiquidPiston, Inc. is proud to be an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, sexual orientation, gender identity, national origin, or protected veteran status and will not be discriminated against on the basis of disability.

All offers of employment at LiquidPiston are contingent upon the successful completion of a pre-employment background check and drug screening.