Sales Engineer

Job Posting Start Date 04-09-2026 Job Posting End Date 07-01-2026

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

To support our extraordinary teams who build great products and contribute to our growth, JetCool is looking to add a Sales Engineer located in Littleton, MA.

• Lead technical discovery with Dell and other OEM customers to understand systemlevel thermal requirements for AI and HPC platforms
• Map JetCool's liquidtoliquid and liquidtoair cooling architectures to OEM server designs, racklevel strategies, and customer deployment models
• Serve as the primary technical interface for customer engagements, guiding customers through solution feasibility, integration, and performance expectations
• Support sales cycles by contributing to quotes, configuration analysis, RFP/RFQ responses, technical documentation, and customerfacing content
• Gather and interpret OEM requirements, specifications, and system documentation for JetCool Engineering
• Collaborate with Engineering to define, refine, and communicate cooling solutions-including cold plates, manifolds, CDUs, and racklevel integration
• Evaluate server and rack architectures (Dell PowerEdge, GPU platforms, AI accelerators, etc.) to ensure compatibility with JetCool solutions
• Develop and deliver technical presentations that highlight JetCool's differentiation in thermal performance, efficiency, and sustainability
• Present thermal analyses in a clear, consumable format for both engineering and business stakeholders
• Adapt technical depth and messaging in real time based on audience, context, and customer priorities

• B.S. in Mechanical Engineering (or related discipline)
• Strong foundation in fluid mechanics or heat transfer (experience with both preferred)
• 3+ years in presales engineering, OEM engagement, or customerfacing technical roles
• Ability to interpret and communicate complex engineering analyses
• Strong communication, presentation, and customerfacing skills
• Experience with fluidbased mechanical designs or thermal systems is preferred
• Exposure to CFD tools (ANSYS, Icepak, FloTHERM) is a plus
• Experience applying heattransfer and fluidmechanics fundamentals to realworld cooling solutions is preferred
• Familiarity with server architectures, AI accelerators, and OEM design cycles (Dell experience strongly preferred)

• Full range of medical, dental, and vision plans
• Life Insurance
• Short-term and Long-term Disability
• Matching 401(k) Contributions
• Vacation and Paid Sick Time
• Tuition Reimbursement