~1mo ago

Metal Additive Manufacturing Designer/Modeler

OtherManufacturing

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Quick Summary

Key Responsibilities

Apply topology optimization and additive manufacturing (AM) methods to design lightweight, high-performance engine components Use nTop (preferred) or similar software to optimize structural, thermal,

Requirements Summary

BS or higher in Mechanical Engineering or related field 3+ years of professional experience in product design, simulation, and/or manufacturing Expertise in additive manufacturing methods (e.g., DMLS,

Technical Tools

OtherManufacturing

Metal Additive Manufacturing Designer/Modeler
This role is fully onsite in Bloomfield, CT, five days per week, and the company will be relocating to Suffield, CT later in 2026.

About LiquidPiston:
LiquidPiston, Inc. is reinventing the internal combustion engine. Our patented thermodynamic cycle and compact rotary engine architecture are designed to deliver significantly higher efficiency and power density than traditional engines. We’re applying cutting-edge engineering—including additive manufacturing and advanced optimization tools—to shape the future of propulsion and portable power.
Position Overview:
We are seeking a talented Engineer with a strong background in Additive Manufacturing and Topology Optimization to join our R&D team. In this role, you’ll be responsible for transforming next-generation rotary engine designs through advanced computational design methods and manufacturing technologies. You’ll work at the intersection of simulation, design, and manufacturing to push performance and efficiency beyond traditional boundaries. This is a hands-on, high-impact position with opportunities to invent, iterate, and deliver real-world solutions in a fast-paced development environment.
Key Responsibilities:

Apply topology optimization and additive manufacturing (AM) methods to design lightweight, high-performance engine components
Use nTop (preferred) or similar software to optimize structural, thermal, and fluid-related features
Develop and refine solid models and assemblies tailored for AM processes
Collaborate with mechanical, thermal, and manufacturing engineers to integrate optimized parts into complete engine systems
Analyze designs using simulations (FEA, CFD, thermal) and correlate with physical test data
Oversee additive builds from design validation through manufacturing and post-processing
Innovate new design approaches to improve performance, reduce weight, and streamline manufacturing
Support engine testing and contribute insights based on material behavior and part performance
Maintain clear documentation, share findings in presentations, and contribute to design reviews
Uphold a proactive, problem-solving mindset with a collaborative and resilient approach to technical challenges

Required Qualifications:

BS or higher in Mechanical Engineering or related field
3+ years of professional experience in product design, simulation, and/or manufacturing
Expertise in additive manufacturing methods (e.g., DMLS, SLS, Binder Jetting, etc.)
Proficiency in topology optimization tools (nTop preferred) for structural, thermal, and fluid systems
Strong 3D CAD skills (SolidWorks or equivalent)
Simulation experience with ANSYS or similar FEA/thermal software
Deep understanding of materials science, especially metallurgy as it pertains to AM
Proven ability to work independently and solve complex, cross-disciplinary problems

Preferred Skills:

Experience with internal combustion engines, compressors, or advanced thermodynamic systems
Knowledge of GT-Suite, MATLAB, Python, or other engineering simulation/scripting tools
Experience in a prototype or R&D environment
Strong written communication skills, including proposal and technical report writing
Familiarity with quality control and inspection processes for additive parts

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.