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Engine Build Internship - Fall 2026

LiquidPiston

Suffield, CT

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JOB DETAILS
SKILLS
Aerospace and Defense, Assemblers Technology, Automotive Repair and Maintenance, Aviation Industry, Communication Skills, Detail Oriented, Disassemblers, Documentation, Educational Technology, Engineering Drawing, Hand Tools, Hardware Components, Identify Issues, Machining, Manufacturing, Mechanical Assembly, Organizational Skills, Problem Solving Skills, Procedure Development, Propulsion, Prototyping, Record Keeping, Research & Development (R&D), Retail Management, Risk Analysis, Robotics, Team Player, Technical Writing, Test Plan/Schedule, Testing
LOCATION
Suffield, CT
POSTED
Today
Engine Build Internship-LiquidPiston
Location: This role is fully onsite in Bloomfield, CT, five days per week, and the company will be relocating to Suffield, CT later in 2026. (relocation assistance not available)
Employment Type: Full-time Internship (Fall 2026)
Compensation: Paid

About LiquidPiston:
LiquidPiston, Inc. (LPI) is an advanced technology company developing compact, high-performance rotary engines based on a novel thermodynamic cycle. Our propulsion systems are enabling new capabilities across defense, aerospace, and commercial applications. Through innovative engine architecture and cutting-edge engineering, LiquidPiston is redefining what is possible in power generation and propulsion.
Position Overview:
LiquidPiston is seeking a hands-on, mechanically inclined Engine Build Intern to support the assembly, testing, and development of next-generation rotary engines and propulsion systems. This internship offers a unique opportunity to work alongside experienced technicians and engineers in a fast-paced R&D environment, helping to build, modify, and maintain prototype engines that push the boundaries of performance and efficiency.
The ideal candidate enjoys working with tools, mechanical systems, and precision assemblies. You are detail-oriented, eager to learn, and excited to gain real-world experience supporting engine development programs from initial assembly through testing and troubleshooting.
Key Responsibilities:
  • Assist with the assembly, disassembly, inspection, and maintenance of prototype rotary engines and related subsystems
  • Support engine build activities, including fitting components, measuring critical dimensions, and verifying assembly quality
  • Perform cleaning, preparation, and organization of engine components and hardware
  • Assist engineers and technicians with engine installation, setup, and preparation for testing
  • Support troubleshooting efforts by documenting observations and helping diagnose mechanical issues
  • Operate hand tools, power tools, torque tools, measuring equipment, and other shop equipment under supervision
  • Maintain accurate build records, assembly documentation, and parts tracking information
  • Help maintain a clean, organized, and safe laboratory and workshop environment
  • Collaborate with engineering, manufacturing, and test teams to support ongoing development programs
Preferred Skills and Experience:
  • Coursework, technical training, or hands-on experience in automotive, mechanical, manufacturing, aerospace, or related disciplines
  • Strong mechanical aptitude and interest in engines, powertrains, or rotating machinery
  • Experience using hand tools, torque wrenches, calipers, micrometers, and other precision measuring instruments
  • Ability to read and interpret engineering drawings, assembly instructions, and technical documentation
  • Familiarity with shop practices, mechanical assemblies, and basic machining concepts
  • Experience working on personal vehicle projects, racing teams, Formula SAE, Baja SAE, robotics teams, aviation maintenance, engine rebuilds, or similar hands-on projects is highly desirable
  • Strong attention to detail and commitment to producing high-quality work
  • Ability to troubleshoot problems methodically and follow established procedures
  • Excellent communication and teamwork skills
  • Willingness to learn and contribute in a dynamic R&D environment

Our Culture:
At LiquidPiston, we challenge convention and solve hard problems. We move fast, think boldly, and iterate quickly. Our team thrives on collaboration, creativity, and resilience. We take calculated risks and believe that every setback is a steppingstone toward breakthrough innovation.
Equal Opportunity Employer:
LiquidPiston, Inc. is proud to be an Equal Opportunity Employer. All qualified applicants will receive consideration for employment regardless of race, color, religion, gender, sexual orientation, gender identity, national origin, or 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, drug screening and credit check. 

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