PresalesEngineer

Job Posting Start Date 06-03-2026 Job Posting End Date 08-31-2026 At JetCool, a Flex company, we’re at the forefront of liquid cooling innovation, delivering advanced solutions that empower our partners in AI and high-performance computing. United by a shared purpose, our teams are pushing the limits of what’s possible and tackling complex challenges. A career at JetCool offers the opportunity to make a real impact by helping build smarter, more sustainable data centers. Together, we’re not just advancing technology — we’re redefining cooling standards to create a more sustainable tomorrow. ## Job Summary JetCool, a Flex Company, delivers patented direct‑to‑chip liquid cooling solutions purpose‑built for AI and high‑density compute environments. Powered by JetCool’s proprietary microconvective cooling technology and full‑stack portfolio—from SmartPlates to Coolant Distribution Units (CDUs)—we enable leading processor and system designers to push performance, efficiency, and reliability to new limits. The **Pre-Sales Engineer** based in either **Littleton, MA, Austin, TX** or **Milpitas, CA** serves as a technical advisor to customers requiring liquid cooled Cold Plates (SmartPlates) and Cooling Distribution Units (CDU), bridging thermal and mechanical engineering depth with clear, confident customer communication. This role owns pre‑sales technical engagement ensuring JetCool solutions meet customer thermal performance and AI System and Rack integration needs. Success in this role requires the ability to communicate complex fluid‑dynamics and heat‑transfer Engineering analysis into concise, customer‑ready explanations, while adapting technical depth in real time based on audience and context. **What a Typical Day Looks Like:** * Lead technical discovery conversations to understand customer thermal requirements for AI Systems * Serve as the primary technical interface in customer engagements * Support sales engagements including RFP/RFQ responses and drafting content