5 propulsion engineer jobs found

Aerospace is at a turning point - costs are rising, supply chains are strained, and old ways of building can't keep up. At Neon Aero, we're breaking that mold. We move fast, think big, and combine start-up agility with aerospace expertise to design, build, and scale aircraft in ways the industry has never seen. Our team leverages automation, AI-driven tools, and a fully connected digital backbone to accelerate innovation and reduce barriers to production. Here, you won't just take a job - you'll help reinvent how the world flies. If you're ready to solve complex problems, push technology further, and work alongside some of the brightest minds in aerospace, this is your chance to make a real impact. Neon Aero is seeking a Mechanical Engineer to support the design and development of propulsion system hardware, including propellers, rotating mechanical assemblies, and the tooling required to manufacture composite propeller blades. In this role, you will help design the mechanical...

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, and power-dense engines for hybrid, aerospace, and power generation applications. We are a mission-driven team of innovators determined to push the boundaries of energy and propulsion. Position Overview We are seeking talented and motivated Engine Design Engineers to join our growing team. In this role, you will be at the forefront of developing groundbreaking engine systems and components-from initial concept through prototyping, validation, and production. You will collaborate with cross-functional teams to design, analyze, and optimize high-performance subsystems with a focus on efficiency, weight, durability, manufacturability, and cost-effectiveness.Key Responsibilities Collaborate with multidisciplinary teams to define system and component-level requirements aligned...

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...

About LiquidPiston: LiquidPiston, Inc. is a technology startup reinventing the internal combustion engine based on a patented thermodynamic cycle and novel rotary architecture. 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 possible in propulsion technology. Position Overview: LiquidPiston is seeking a hands-on, detail-oriented Engine Design & Development Engineer to join our core Skunkwerxs team. This role focuses on the design and development of rotary and piston engine components, supporting efforts from conceptual design through prototype validation. You will play a critical part in shaping next-generation propulsion systems that are smaller, lighter, and more efficient. Key Responsibilities: Design key engine components including pistons, rods, crankshafts, rotors, and housings. Develop CAD models and engineering drawings...