
Lior Mareli
Mechanical R&D Lead @ Nostromo Energy
About
Mechanical R&D Engineer | Product Development | Mechanism & Mechanical Design | Flow & Thermal Systems | Lead InventorMechanical R&D Engineer with over 25 years of experience in mechanical system and product development, specializing in mechanism design, injection-molded products, and flow-driven systems. Throughout my career, I have led the development of complex mechanical products across irrigation technologies, medical devices, and thermal energy storage systems — from concept and engineering analysis through prototyping, validation, and scalable production. My work combines mechanical and mechanism design with system-level thinking, integrating fluid mechanics, heat transfer, and Design for Manufacturing (DFM) to deliver robust and production-ready solutions. I have developed products ranging from precision mechanisms to large-scale thermo-fluid systems. Lead inventor on multiple U.S. patents in irrigation flow technologies and thermal systems, and co-inventor of drug delivery device patents. Core areas of expertise include: • Mechanical product development • Mechanism design and mechanical systems • Injection-molded product development • Fluid mechanics and hydraulic systems • Thermo-fluid system design and heat transfer • Design for Manufacturing (DFM) • Prototype development and engineering validation I am particularly interested in advanced R&D roles involving product development, mechanical systems, and innovative engineering solutions, across a range of industries.
Israel
Rehovot
Utilities
Product Development, Fluid Mechanics, mechanical design, Mechanical Product Design, 3D Computer Aided Design (3D CAD), Product Data Management (PDM), Finite Element Analysis (FEA), SOLIDWORKS, Energy Storage, Phase Change Materials, Heat Transfer, Thermal Insulation, Project Management, Validation Engineering, Prototyping, Injection Molding, Design for Manufacturing, Thermal System Design, Hydraulic Systems
Experience

Mechanical R&D Lead
Mechanical R&D Lead Nostromo Energy Jun 2021 - Present · 4 yrs 10 mos Led mechanical development of a phase-change based thermal energy storage system (IceBrick Gen II), from concept through production readiness. Designed mechanical assemblies and plastic-based components for thermo-fluid systems, with focus on scalable product architecture. Invented and developed a proprietary nucleation control mechanism for stable and controlled phase transition processes. Developed the X-Brick architecture, combining flow optimization with scalable mechanical design, reducing manufacturing cost and assembly complexity. Designed and implemented thermal and hydraulic validation systems. Led design approval process with the U.S. Department of Energy (DOE). Focused on product development of thermo-fluid systems, integrating mechanical design, mechanism design, and manufacturing considerations.

Projects Manager
Developed medical devices and products, from concept through design for manufacturing, with focus on injection-molded components. Managed and coordinated product development projects, including planning, design reviews, supplier coordination, and delivery milestones. Led tooling development through subcontractors, including engineering design reviews and mold approval processes. Collaborated with toolmakers and cross-functional teams to resolve manufacturability challenges and optimize product and plastic part design. Improved product performance, manufacturability, and assembly efficiency through design optimization.

Head of Engineering & Development – Sprinkler Systems
Led development of flow-driven mechanical products, integrating mechanism design, hydraulic performance, and product scalability from concept to serial production. Managed and mentored a multidisciplinary team of ~8 engineers and technicians, while maintaining hands-on involvement in design and validation. Designed pulsating and continuous sprinkler mechanisms, optimizing flow distribution and performance across varying pressure and flow conditions. Led hydraulic testing, design validation, and integration with manufacturing engineering. Developed plastic-based products and assemblies for high-volume manufacturing, including Design for Manufacturing (DFM) optimization. Contributed to multiple U.S. patents in irrigation flow technologies and mechanical systems.

Project Development Manager
Developed innovative mechanical sprinkler systems for wide operating pressure and flow ranges, integrating mechanism design with hydraulic performance. Designed flow-driven mechanisms and improved hydraulic performance and reliability of existing product lines. Led product development projects from concept through design, validation, and product launch. Contributed to the development of plastic-based products for high-volume manufacturing, including Design for Manufacturing (DFM) considerations.

R&D Engineer – Medical Devices
Contributed to the development and improvement of a closed-system drug transfer device for handling cytotoxic medications. Worked in a regulated medical device environment, focusing on product safety, reliability, and robust mechanical design.

R&D Engineer
Developed automatic drug delivery systems for self-injection applications, from concept through prototyping and validation. Designed precision mechanical mechanisms adapted for injection-molded plastic mass production. Built prototypes and performed mechanical simulations to validate performance and reliability.

R&D Engineer - Irrigation Systems
Participated in the development of irrigation and sprinkler systems, supporting product development activities. Contributed to mechanical design and hydraulic performance improvements of flow-driven products. Gained early experience in mechanism design, fluid systems, and irrigation technologies.
Lior Mareli's Contact Information
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