Onsite in Bloomfield, CT About LiquidPiston : LiquidPiston, Inc. is developing the next generation of compact, high-efficiency rotary engines based on its patented thermodynamic cycle.
Our engines are being designed to transform power generation and propulsion across aerospace, defense, and commercial industries.
We offer a fast-paced, hands-on R&D environment where mechanical engineers have a direct impact on shaping breakthrough technologies.
Position Overview :
We are seeking a hands-on, innovative Mechanical Engineer to join our dynamic team.
In this role, you will contribute to all phases of engine development—from concept and design through testing and iteration—as we advance LiquidPiston’s rotary diesel engines toward production.
This is a high-impact, cross-functional role requiring strong mechanical design skills, analytical thinking, and a passion for solving complex technical challenges.
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 a combination of hand calculations, Matlab, custom code, and commercial simulation tools (e.g., GT-Suite) 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 (file organization, documentation, project management tools) Stay current with advancements in rotary engines, diesel combustion, thermodynamics, and related technologies Qualifications : Bachelor’s degree in Mechanical Engineering or a 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 Preferred Qualifications : Experience with internal combustion engines, especially rotary or diesel platforms Familiarity with GT-Suite or other engine simulation tools Exposure to DAQ systems and test instrumentation Experience managing prototype builds or working closely with machinists Benefits : Flexible PTO to encourage work-life balance and personal well-being Comprehensive healthcare coverage : medical, dental, and vision plans Equity participation : RSUs for all permanent employees 401(k) with match : 100% up to 3%, plus 50% match for 3–5% range Growth opportunities : Mentorship, training, and leadership development 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 and drug screening.
Powered by JazzHR
Create a job alert for this search
Mechanical Engineer • Bloomfield, CT, US
Related jobs
Promoted
Process Engineer
PCX Aerostructures, LLCNewington, CT, United States
Full-time +1
PCX Aerosystems is a premier supplier of flight-critical mechanical systems and structures to leading aerospace OEMs and the US Government.
With roots going back to the dawn of the helicopter age, P...Show moreLast updated: 30+ days ago
Promoted
Manufacturing Engineer I
Pursuit AerospaceSouth Windsor, CT, United States
Full-time
As a global manufacturer of complex aircraft engine components, Pursuit Aerospace is founded on a commitment to relentless, continuous, operational improvement and extraordinary customer service.We...Show moreLast updated: 6 days ago
Promoted
COMBAT ENGINEER
US ArmySpringfield, Massachusetts, United States
Full-time +1
THIS POSITION REQUIRES AN ENLISTMENT IN THE U.As a Combat Engineer, you’ll work quickly and skillfully to help Soldiers navigate while on combat missions by constructing bridges, clearing barriers ...Show moreLast updated: 3 days ago
Promoted
MEP Mechanical Engineer - HYBRID
CyberCodersHartford, CT, United States
Full-time
We are looking for a motivated and experienced Mechanical Engineer with a focus on hybrid systems to join our fast-paced and highly collaborative team.
The ideal candidate should have a strong backg...Show moreLast updated: 18 days ago
Promoted
Facilities Engineer
HowmetWinsted, CT, United States
Full-time
Winsted Indust Pk, 145 Price Rd, Winsted, CT, 06098, US.Remote Work Schedule Availability?.This position entails access to export-controlled items and employment offers are conditioned upon an appl...Show moreLast updated: 16 days ago
Engine Design Engineer
LiquidPistonBloomfield, CT, US
Permanent
Quick Apply
About LiquidPiston LiquidPiston (LPI) is revolutionizing the internal combustion engine.Our patented High Efficiency Hybrid Cycle (HEHC) and rotary X-engine platform enable compact, ultra-efficient...Show moreLast updated: 30+ days ago
Manufacturing Engineer - Aerospace, Defense & Space
Vets HiredChicopee, Massachusetts, United States
Full-time
Quick Apply
The Manufacturing Engineer plays a key role in developing and improving precision-machined components and assemblies for the Aerospace, Defense, and Space sectors.
This position focuses on ensuring ...Show moreLast updated: 24 days ago
Promoted
Plastics Engineer
Diedre Moire Corp.Milford, CT, US
Full-time
Plastic Molding Automation Engineer - Milford, CT Plastics Engineer Process Engineer Manufacturing Engineer Project Engineer Plastic Molding Injection Mold Blow Extrusion Tooling Designer Moldmakin...Show moreLast updated: 18 days ago
Promoted
Design Engineer
Murphy Search GroupBloomfield, CT, US
Full-time
Design Engineer – Hartford area Our client has a need for a Design Engineer with a minimum of 5 years of hands-on experience in the creation, modification, documentation, and general support of mec...Show moreLast updated: 18 days ago
Skunkwerks Engineer
LiquidPistonBloomfield, CT, US
Permanent
Quick Apply
Our compact, high-efficiency engines power applications across defense, aerospace, and commercial sectors.At LiquidPiston, you’ll be part of a passionate team pushing the boundaries of what's...Show moreLast updated: 30+ days ago
Manufacturing Engineer
Polamer Precision, Inc.New Britain, CT, US
Full-time
Quick Apply
Manufacturing Engineer Employee Type : Full-Time (1st Shift) This position is designed for experienced Aerospace Manufacturing Engineer with 5-7 years of experience.This individual shoul...Show moreLast updated: 30+ days ago
Promoted
Quality Engineer
PCX Aerostructures, LLCManchester, CT, United States
Full-time +1
PCX Aerosystems is a premier supplier of flight-critical mechanical systems and structures to leading aerospace OEMs and the US Government.
With roots going back to the dawn of the helicopter age, P...Show moreLast updated: 3 days ago
Promoted
Manufacturing Engineer
AmetekWallingford, CT, US
Full-time
AMETEK Specialty Metals Products (SMP) Wallingford is a US-based pioneer in the manufacturer of High Purity Metal Strip, Specialty Shaped Wire, Engineered Shaped Components and Thermal Management M...Show moreLast updated: 20 days ago
Metallurgical Engineer
LiquidPistonBloomfield, CT, US
Permanent
Quick Apply
Metallurgical Engineer Location : .Onsite in Bloomfield, CT About LiquidPiston : LiquidPiston, Inc.With applications across aerospace, defense, commercial, and industrial markets, we are redefining wh...Show moreLast updated: 30+ days ago
Application Engineer-Residential Roofing - Now Hiring!
HenkelRocky Hill, CT, United States
Full-time
At Henkel, you’ll be part of an organization that’s shaping the future through innovation, sustainability and collaboration.
With our trusted brands like Persil®, ‘all®, Loctite®, Snuggle®, and Schw...Show moreLast updated: 30+ days ago
Promoted
Manufacturing Engineer
ClarkDietrichBristol, CT, United States
Full-time
Are you interested in working for a company that fosters growth opportunities, community involvement and a team-oriented atmosphere? ClarkDietrich fosters a work-life balance and offers competitive...Show moreLast updated: 30+ days ago
Manufacturing Engineer
LiquidPistonBloomfield, CT, US
Permanent
Quick Apply
LiquidPiston is a technology-driven company reimagining the internal combustion engine.Leveraging advanced thermodynamic cycles and innovative rotary engine architecture, we design compact, efficie...Show moreLast updated: 30+ days ago
CMM Programmer / Quality Engineer
Precision ResourceShelton, CT, US
Full-time
Quick Apply
Bring your manufacturing skills to a role that has direct impact on delivering cutting edge technology to our global customer base.
Family-owned for over 75 years, Precision Resource is a leadi...Show moreLast updated: 30+ days ago