Job Posting Start Date 02-09-2026 Job Posting End Date

At Jet Cool, 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 Jet Cool 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

Jet Cool, a Flex Company, delivers patented direct-to-chip liquid cooling systems purpose-built for AI and high-density compute. With our microconvective cooling technology and full-stack solutions—from Smart Plates to CDUs—we’re redefining how the world’s most demanding processors stay cool, efficient and operational at scale.

The Pre-Sales Engineer based in either Littleton, MA, Austin, TX or Milpitas, CA will be accountable for providing technical guidance and information to customers on a pre-sales and post-sales basis to enable delivery of design, fabrication and assembly goals, per customers’ expectations.

What a Typical Day Looks Like:

• Understand customer needs and translate them into technical solutions.

• Design and present solutions that align with business goals.

• Support sales teams during product demos, RFPs/RFIs and technical evaluations.

• Conduct proof-of-concept (PoC) deployments and workshops.

• Provide post-sales technical guidance and feedback to product teams.

• Collaborate with facilities and engineering teams to ensure solution feasibility.

• Use technical knowledge of products and associated development tools to assist customers on complex issues.

• Assist with the development of complex product roadmaps.

• Develop and maintain ongoing relationships with product and business development teams.

• Provide technical expertise during product development by defining customer product needs and translating these needs into new product recommendations and specifications.

• Review customer requirements, identify and communicate potential issues and provide recommendations that will meet both the capabilities Flex and the specifications of the customer.

• Identify and communicate existing and potential design issues both internally and externally.

• Coordinate product integration efforts between component suppliers, Flex and the customer.

• Develop and present technical seminars for customers and sales personnel to promote employers' manufacturing capabilities, services, available technologies, manufacturing process and quality.

• Work with customer representatives to coordinate vendor qualification surveys.

• Provide best in class, complex, technical assistance by answering and closing all customer and program management technical questions related to manufacturing capabilities including design, fabrication and assembly abilities.

• Define initial project/product scope and prepare project plans to meet customers' expectations.

• Prepare detailed project plans by documenting customers' requirements and incorporating design and manufacturing capabilities to meet customers’ expectations.

• Prepare and maintain required documentation.

• May be required to sit at customer site.

The Experience We’re Looking to Add to Our Team:

• Bachelor’s degree in mechanical engineering

• 5+ years of industry experience, with at least 2 years in sales engineering, consulting or technical pre-sales roles

• Experience with solution architecture, integration projects and customer-facing engagements

• Strong understanding of IT infrastructure, networking, cloud platforms or specialized technologies relevant to the product

• Ability to architect solutions and assess technical feasibility

• Familiarity with security, scalability and performance considerations

• Proficiency in responding to technical aspects of RFPs/RFIs and building solution documentation

• Experience with liquid cooling systems, data center design, or specialized hardware integration (especially relevant in your context)

• Ability to train sales teams on technical products and solutions

• Familiarity with commissioning and maintenance workflow

• Solid collaborating problem solving skills required

• Independent self-starter

• Ability to read the room and respond appropriately

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

Pay Range (Applicable to Massachusetts)

$107,400.00 USD - $147,700.00 USD Annual

Job Category

Design, Process & Technology Engineering

Is Sponsorship Available?

No

Jet Cool 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 accessibility@flex.com 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 Jet Cool, you must complete the application process first).