Hands-On Mechanical Engineer — Rotary Engine R&D

LiquidPiston, Inc.; Suffield (CT); On-site; USD 85,000 - 120,000; Full time

Benefits offered by this job

Flexible PTO

Comprehensive healthcare

Equity participation: RSUs

401(k) with match

Growth opportunities

Job summary

LiquidPiston, Inc. seeks a hands-on Mechanical Engineer to join our Bloomfield, CT team, contributing to all phases of engine development—from concept through testing and iteration as we move toward production.

This onsite role requires strong CAD design skills (SolidWorks), MATLAB/GT‑Suite experience, and practical experience with prototyping, testing, and data analysis in rotary diesel engine projects.

Qualifications

• Bachelor’s degree in Mechanical Engineering or closely related field.
• Proficiency in CAD design (SolidWorks preferred).
• Familiarity with Matlab and mechanical system modeling/analysis.
• Solid understanding of mechanical fundamentals: thermodynamics, kinematics, stress analysis.
• Hands‑on experience with mechanical systems—building, testing, or prototyping.
• Strong problem‑solving skills, self‑direction, and attention to detail.
• Excellent communication skills and ability to work in a collaborative team environment.

Responsibilities

• Design, analyze, and develop engine components, subsystems, and custom test rigs
• Use SolidWorks for 3D CAD modeling and drafting of engine parts and assemblies
• Conduct engineering analysis using hand calculations, Matlab, custom code, and GT‑Suite or similar tools
• Support prototype fabrication by working with in‑house machinists and external vendors
• Participate in the operation and testing of rotary engines on dynamometers and data acquisition systems
• Assemble and disassemble prototype engines; perform part inspections and document build details
• Troubleshoot and debug mechanical systems through hands‑on work and root‑cause analysis
• Collaborate with cross‑functional teams, technicians, and contractors to execute test and design projects
• Present design proposals and test data clearly through reports, presentations, and team meetings
• Help enforce engineering best practices and company policies
• Stay current with advancements in rotary engines, diesel combustion, thermodynamics, and related technologies

Skills

Hands-on mechanical systems experience

Problem-solving skills

Communication skills

Education

Bachelor’s degree in Mechanical Engineering

Tools

SolidWorks

MATLAB

GT‑Suite

DAQ systems

Job description

LiquidPiston, Inc. seeks a hands-on Mechanical Engineer to join our Bloomfield, CT team, contributing to all phases of engine development—from concept through testing and iteration as we move toward production.

This onsite role requires strong CAD design skills (SolidWorks), MATLAB/GT‑Suite experience, and practical experience with prototyping, testing, and data analysis in rotary diesel engine projects.