Now Hiring - Flex - Sales Engineer in Littleton, MA

Full description of the position

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

• or
• Austin, TX. Reporting to the Vice President of Marketing and Partnerships, this role supports our OEM group, with a primary focus on supporting and expanding our partnership with Dell and other global system manufacturers. This role blends deep technical fluency with customerfacing leadership, helping OEM partners understand how JetCool's liquidtoliquid and liquidtoair cooling architectures integrate into their server platforms and align with endcustomer requirements. You will serve as the technical bridge between JetCool's engineering teams and OEM customers, ensuring our SmartPlates, CDUs, and fullstack cooling solutions meet the thermal, mechanical, and integration needs of nextgeneration AI and highdensity compute systems. Success in this role requires translating the customers' technical requirements into actionable server and rack-level architectures, collaborating closely with OEM teams. What a typical day looks like:
• 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 solutionsincluding 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 The experience we're looking to add to our team:
• 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) What you'll receive for the great work you provide:
• 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 Application Deadline: Applications for this job position will be accepted for at least five days following the job posting start date below and continuing until the end date below or until the position is filled. This posting may close sooner due to application volume. Job Posting Start Date 06-12-2026 Job Posting End Date 08-31-2026 The base pay range for this position is provided below. The final base rate offered will be determined using job-related, non-discriminatory criteria, including but not limited to experience, qualifications, geographic location, education, external market data, and internal equity. $110,100.00 USD - $151,400.00 USD Annual Job Category Design, Process & Technology Engineering Is Sponsorship Available? No JetCool is an Equal Opportunity Employer and employment selection decisions are based on merit, qualifications, and abilities. We do not discriminate based on: age, race, religion, color, sex, national origin, marital status, sexual orientation, gender identity, veteran status, disability, pregnancy status, or any other status protected by law. We're happy to provide reasonable accommodations to those with a disability for assistance in the application process. Please email [please apply online] and we'll discuss your specific situation and next steps (NOTE: this email does not accept or consider resumes or applications. This is only for disability assistance. To be considered for a position at JetCool, you must complete the application process first).