Engine Test Intern - 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 is an advanced propulsion technology company developing compact, high-efficiency rotary engines for aerospace, defense, hybrid power systems, and mobility applications. Our patented rotary engine architecture is designed to deliver significantly higher power density, improved fuel efficiency, lower vibration, and multi-fuel capability compared to conventional piston engines.
Our team operates in a highly collaborative, fast-paced environment focused on rapid prototyping, testing, and continuous engineering innovation. As we continue transitioning from research and development into commercialization, interns have the opportunity to contribute directly to cutting-edge engine programs and real-world product development.
Responsibilities:
โข Support setup, execution, and monitoring of engine and subsystem tests on dynos and laboratory test stands
โข Assist with instrumentation installation, calibration, and troubleshooting (thermocouples, pressure sensors, flow meters, DAQ systems, etc.)
โข Collect, organize, and analyze engine performance and test data
โข Help prepare engines, fuel systems, cooling systems, and supporting hardware for testing
โข Support troubleshooting and root-cause analysis of engine, combustion, thermal, or mechanical issues observed during testing
โข Participate in test planning, test procedure documentation, and post-test reporting
โข Assist with fabrication, assembly, and modification of test fixtures, plumbing, and support equipment
โข Collaborate with mechanical design, controls, manufacturing, and simulation teams to improve engine performance and reliability
โข Maintain safe and organized test cell operations in a fast-paced development environment
Qualifications:
โข Currently pursuing a Bachelor's or Master's degree in Mechanical Engineering, Automotive Engineering, or a related field (rising junior/senior or graduate level preferred)
โข Strong interest in engines, propulsion systems, thermodynamics, and experimental testing
โข Basic understanding of internal combustion engines, fluid systems, heat transfer, and mechanical systems
โข Hands-on experience with tools, fabrication, assembly, or laboratory work
โข Ability to troubleshoot mechanical and test-related issues in a practical environment
โข Strong organizational skills and attention to detail when handling data and test procedures
โข U.S. person status (citizen or permanent resident) preferred due to defense/aerospace-related projects
โข Ability to thrive in a fast-paced, prototype-heavy environment with rapidly changing priorities
Preferred Skills & Experience:
โข Prior experience with engine dyno testing, Formula SAE, Baja SAE, motorsports, UAVs, robotics, or propulsion projects
โข Familiarity with data acquisition systems, sensors, LabVIEW, CAN communication, or controls systems
โข Experience working with instrumentation, wiring, calibration, or troubleshooting test equipment
โข Basic CAD experience (SolidWorks or similar) for fixtures or test hardware
โข Experience with Python, MATLAB, Excel, or other data analysis tools
โข Understanding of combustion, engine performance metrics, or thermal systems
โข Previous internship, lab, or co-op experience in automotive, aerospace, energy, or mechanical testing environments
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.