6 propulsion engineer jobs found

Senior Aerospace Engineer / Aircraft CAD Integrator Location: Suffield, CT Schedule: Onsite, 5 days per week Why LiquidPiston? LiquidPiston is developing next-generation propulsion technology for aerospace, defense, and advanced mobility applications. Our compact rotary engine technology delivers high power density in a lightweight package, creating new possibilities for VTOL aircraft, UAS, hybrid-electric propulsion, and other demanding applications. At LiquidPiston, engineers have the opportunity to work on technology that moves quickly from concept to hardware to testing. This is a highly collaborative, hands-on environment where you will have meaningful ownership and see the direct impact of your work. If you enjoy solving difficult engineering problems, working across disciplines, and turning innovative concepts into real hardware, this is an opportunity to make a significant impact on the development of advanced aircraft and propulsion systems. The Opportunity...

Skunkwerks Engineer - LiquidPiston This role is fully onsite in Suffield, CT, five days per week. Why LiquidPiston? At LiquidPiston, you won't be one engineer among hundreds working on a small piece of an established product. You'll be part of a lean engineering team working on technology that is still being invented. Your work can move quickly from an idea to a drawing, from a drawing to a prototype, and from a prototype to a running engine. You'll see the results of your engineering decisions firsthand and have the opportunity to influence the direction of the technology. The problems are difficult. The timelines are ambitious. The answers aren't always obvious. That's exactly what makes the work exciting. If you enjoy figuring out why something failed, building a better solution, testing it, and trying again, you'll fit right in. About LiquidPiston LiquidPiston, Inc. is a technology startup reinventing the internal combustion engine through a patented thermodynamic cycle...

Design Engineer Internship - LiquidPiston: Multiple Openings Available Location: Suffield, CT Employment Type: Full-time Internship (Spring Semester 2027) Compensation: Paid About LiquidPiston: LiquidPiston is a fast-growing propulsion technology company reinventing the internal combustion engine with our patented X-Engine rotary architecture and High Efficiency Hybrid Cycle (HEHC). Our engines deliver dramatically higher power density, efficiency, fuel flexibility, and compactness than traditional piston designs - making them ideal for UAVs, defense systems, hybrid-electric propulsion, portable power, and aerospace applications. We're transitioning from pure R&D to industrialization and commercialization, creating exciting opportunities to impact real product development in a small, high-energy team. Why Intern at LiquidPiston? This isn't an internship where you'll spend the semester making PowerPoint slides or watching from the sidelines. You'll be working on real...

Chief Engineer Location: Bloomfield, CT (Fully onsite - no remote option) About LiquidPiston LiquidPiston (LPI) is reinventing the internal combustion engine. Our patented rotary X-engine platform enables ultra-efficient, compact, and power-dense engines with applications across aerospace, defense, commercial, and mobility sectors. We're building the future of propulsion-and we're looking for visionary leaders to join us on this journey. Position Overview As Chief Engineer, you will be at the forefront of bringing LPI's revolutionary High Efficiency Hybrid Cycle (HEHC) rotary engine to market. Collaborating closely with company leadership, cross-functional engineering teams, and external partners, you will lead the technical execution of a major engine development program from prototype to production. This is a hands-on, lab-centered role for an experienced, strategic, and inventive engineering leader who thrives in an R&D environment. Key Responsibilities:...

Mechanical Engineer Location: 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...

Electrical Engineering Intern - Spring 2027 Location: Suffield, CT Employment Type: Full-time Internship (Spring 2027) Compensation: Paid About LiquidPiston LiquidPiston, Inc. is a fast-growing engine technology company developing a new generation of compact, high-performance propulsion systems. Our patented rotary X-Engine and High Efficiency Hybrid Cycle (HEHC) are designed to deliver greater power density, efficiency, and fuel flexibility than traditional piston engines. Our technology is being developed for demanding applications including UAVs and drones, defense, aerospace, portable power, and hybrid-electric systems. At LiquidPiston, engineers have the opportunity to work directly on real hardware and see their work move from the lab to a running engine. Internship Overview LiquidPiston is seeking a motivated Electrical Engineering Intern to join our Controls & Electronics team for Spring 2027. This is a hands-on opportunity to work alongside experienced...