--- title: 'R&D Engineer at Thermal Works' canonical: 'https://feeny.ai/job/r-d-engineer-thermal-works-united-states-0csgk4k6hhtm' type: 'job' last_seen: '2026-09-17' --- # R&D Engineer at Thermal Works - **Company:** Thermal Works - **Location:** United States - **Work type:** remote - **Posted:** 2026-09-16 - **Last confirmed live:** 2026-09-17 - **Apply:** https://job-boards.greenhouse.io/li-thermal-works/jobs/4408429009 ## Job description Opportunity ThermalWorks has an exciting opportunity for someone passionate about sustainability and eager to be part of an innovative company that’s on a journey to transform the world’s infrastructure. We are seeking an R&D Engineer to join the R&D team, to design, prototype, test, and validate new cooling products and product improvements - from concept through handoff to manufacturing. You will work hands-on with refrigeration circuits, hydronics, and controls, and will turn test data into design decisions. ## Key Responsibilities Include but are not limited to: - Design and develop new cooling products and improvements to existing platforms — chillers, CDUs, and supporting systems - Plan and execute validation and performance testing; analyze results and drive design changes from the data - Build and iterate prototypes, working hands-on in the lab and test environment - Perform thermal, refrigeration, and hydronic system calculations and component selection - Support the transition of new designs from R&D to manufacturing, resolving design-for-manufacturability issues - Document designs, test procedures, and results to engineering standards - Incorporate field and application feedback into product improvements Required Qualifications - Bachelor's degree in Mechanical Engineering or related field - 5+ years of engineering experience in refrigeration, HVAC, or cooling product development - Hands-on experience with prototype builds and lab testing of thermal systems - Strong grasp of refrigeration cycles, heat transfer, and hydronic system design - Ability to analyze test data and translate results into design decisions ## Preferred Qualifications - Experience developing chillers, CDUs, or liquid cooling for data center applications - Familiarity with controls development and system instrumentation - Advanced degree in Mechanical or Thermal EngineeringWorking at Endeavour Innovate at Speed: Thrive in a fast-paced, entrepreneurial environment where your ideas actually matter. Own Your Work: Enjoy the flexibility and autonomy to execute and do your best work. Learn from the Best: Collaborate daily with top-tier, experienced industry experts. Elevate Your Craft: Be part of a respectful, continuous-learning culture driven by excellence. Make a Real Impact: Join a team of dedicated changemakers building solutions that benefit people and the planet. ## About ThermalWorks ThermalWorks transforms data center cooling with ultra-efficient, modular systems that support dynamic AI workloads in any climate, with zero water consumption. Its multi-function chillers unify dry, trim, and full mechanical cooling into a single adaptive platform engineered to maximize tokens per watt. ## About Endeavour Endeavour builds technology infrastructure for the benefit of all. As the AI revolution drives unprecedented demand for resources, Endeavour provides the integrated infrastructure required to support global innovation while restoring the local environments we serve. Inspired by nature, we design infrastructure as a cohesive system where every element feeds another to create a cycle of regeneration. This vision is realized through the Endeavour Stack, a collection of next-generation technologies that solve critical challenges in data, energy, materials, and water. Together, our systems allow AI cloud providers to scale with speed and agility, bypassing the constraints of traditional infrastructure. At Endeavour, we do things differently. As a purpose trust, we reinvest profits to solve global problems. We are a collection of changemakers driven by our connection to each other, our communities, and our planet. By bringing proven experts together to move fast and cut through complexity, we are building a new model for infrastructure that delivers lasting benefits to our customers and local communities. Position Overview Position: R&D Engineer Full-Time or Part-Time: Full-Time Reports to: Director, Research & Development Location: Remote - US (25% travel to test facilities and company locations) Contact: recruiting@endeavourii.com Learn More ## About Thermal Works ## Company Overview - **One-liner**: ThermalWorks provides ultra-efficient, waterless cooling solutions designed for high-density AI and hyperscale data center workloads. - **Entity Type**: Private (Stage undisclosed; available exclusively through Edged Infrastructure) - **Headquarters**: Middletown, New York, United States - **Founded**: Not publicly available - **Founders**: Not publicly available ## Core Business - **Primary industry**: Data center cooling / HVAC and Refrigeration Equipment Manufacturing - **Target customers**: Hyperscalers, AI companies, and large data center operators (B2B, Enterprise) - **Mission or purpose statement**: "Revolutionizing cooling with waterless efficiency" — delivering ultra-efficient, zero-water cooling that enables data centers to operate sustainably without compromising performance. ## Products & Services - **Waterless Cooling System**: An end-to-end, modular cooling platform that uses zero water, supports densities up to 70 kW/rack with air cooling and 200 kW/rack with liquid cooling (with preparation for 600 kW/racks), and achieves a market-leading average PUE of 1.15. The system integrates hot aisle containment, multi-function chillers, and high delta-T flexibility to dramatically reduce energy costs. - **Integrated Waste Heat Recovery**: Transforms 100% of IT waste heat into low-cost, high-grade heat, cutting carbon and providing a clean community resource. - **Turnkey Design & Deployment**: Full design, engineering, and deployment services with digital twin modeling, CAD/CAM integration, and modular plug-and-play units that cut installation costs by 50%. - **Global Service & Monitoring**: Real-time system monitoring and AI-based performance optimization backed by a worldwide service network. ## Market Standing - **Valuation/Market Cap**: Not disclosed - **Key Metric**: Headcount of 38 employees (+220% YoY growth); gigawatt-scale manufacturing capacity available. - **Notable Investors/Partners**: Available exclusively through Edged Infrastructure. Partnerships with global supply chain providers ensure on-time delivery worldwide. - **Growth Signals**: Rapid headcount growth (220% YoY), 22 active job postings (+266.7% YoY increase), 13,750 LinkedIn followers (+153.7% yearly), and expanding presence in Europe (Spain office). The company is scaling to meet demand for AI-ready cooling infrastructure. ## Competitive Advantages - **Zero-water, ultra-efficient cooling**: Eliminates the trade-off between water conservation and energy efficiency — achieves 1.15 PUE with zero water consumption, saving billions of gallons of water annually even in high ambient temperatures above 135°F. - **AI-ready scalability**: Supports current and future rack densities (up to 600 kW/racks), making it future-proof for next-generation AI workloads. - **Rapid deployment**: Modular, plug-and-play design cuts installation costs by 50% and enables the fastest deployment in the industry. - **Integrated waste heat recovery**: Turns a cost center into a value stream, repurposing 100% of IT waste heat. ## Strategic Focus - **Scaling manufacturing**: Gigawatt-scale manufacturing capacity is available now to meet hyperscale and AI demand. - **Global expansion**: Building out service and project management teams in the U.S. and Europe (Spain). - **Innovation pipeline**: Continuously developing AI-driven autonomous controls, direct-to-rack liquid cooling, and advanced compute capabilities exceeding 600 kW/rack. - **Sustainability leadership**: Positioning waterless cooling as the no-compromise solution for a warming planet. ## Why Work Here - **High-growth environment**: 220% YoY headcount growth with 22 open roles indicates a rapidly scaling company with career advancement opportunities. - **Remote-friendly culture**: Most roles are listed as "Remote (with 75% travel)" or fully remote, offering flexibility. Some roles (e.g., in Spain) are on-site. - **Cutting-edge technology**: Work on next-generation cooling solutions for the AI era, with exposure to advanced thermal engineering, liquid cooling, and AI-driven controls. - **Mission-driven**: Contribute to sustainable infrastructure that eliminates water waste and reduces carbon footprint. - **Global team**: Presence in the U.S. and Europe, with a collaborative, cross-functional culture. - **Notable perks**: Not explicitly listed, but the company emphasizes innovation, problem-solving, and making a lasting impact on industries worldwide. ## Sources 1. [thermalworks.com](https://www.thermalworks.com/) 2. [thermalworks.com/about](https://www.thermalworks.com/about) 3. [LinkedIn - ThermalWorks](https://www.linkedin.com/company/thermalworks) 4. [Greenhouse Job Board](https://job-boards.greenhouse.io/li-thermal-works) 5. [thermalworks.com/careers](https://www.thermalworks.com/careers-page) ## Other roles at Thermal Works - [Application Engineer](https://feeny.ai/job/application-engineer-thermal-works-united-states-83qfew3ces1q) — United States - [Product Testing Technician](https://feeny.ai/job/product-testing-technician-thermal-works-st-petersburg-6566z38wwpcg) — St Petersburg, FL - [Safety Specialist](https://feeny.ai/job/safety-specialist-thermal-works-united-states-yy4xqyvca17q) — United States - [Heavy Haul Logistics Lead](https://feeny.ai/job/heavy-haul-logistics-lead-thermal-works-united-states-py45y04e76wh) — United States - [Logistics Coordinator](https://feeny.ai/job/logistics-coordinator-thermal-works-united-states-rf5mrasma3xt) — United States - [Field Service Technician (Dallas, TX)](https://feeny.ai/job/field-service-technician-dallas-tx-thermal-works-dallas-tjp87dhqwxww) — Dallas, TX - [Thermal Systems Technical Documentation Engineer](https://feeny.ai/job/thermal-systems-technical-documentation-engineer-thermal-works-united-states-7171fje4dw0w) — United States - [Quality Assurance Manager, Europe](https://feeny.ai/job/quality-assurance-manager-europe-thermal-works-spain-hvbk0qm6hym3) — Spain - [Business Manager, Europe](https://feeny.ai/job/business-manager-europe-thermal-works-europe-eaq5qtxq23hc) — Europe - [Procurement Manager](https://feeny.ai/job/procurement-manager-thermal-works-united-states-4frt11f73kwc) — United States