Job Posting Start Date 01-13-2026 Job Posting End Date 02-23-2026

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 systems purpose-built for AI and high-density compute. With our microconvective cooling technology and full-stack solutions—from SmartPlates to CDUs—we’re redefining how the world’s most demanding processors stay cool, efficient, and operational at scale.

Position Overview

The Pre-Sales Engineer 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.

Key Responsibilities:

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

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

Assists with the development of complex product roadmaps.

Develops and maintains ongoing relationships with product and business development teams.

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

Reviews customer requirements, identifies and communicates potential issues and provides recommendations that will meet both the capabilities Flex and the specifications of the customer.

Identifies and communicates existing and potential design issues both internally and externally.

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

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

Works with customer representatives to coordinate vendor qualification surveys.

Provides 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.

Defines initial project/product scope and prepares project plans to meet customers' expectations.

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

Prepares and maintains required documentation.

May be required to sit at customer site.

Qualifications:

Bachelor's degree in Engineering

Solid collaborating problem solving skills required.

Independent self-starter

Ability to read the room and respond appropriately.

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

What you'll receive for the great work you provide:

Full range of medical, dental, and vision plansLife InsuranceShort-term and Long-term DisabilityMatching 401(k) ContributionsVacation and Paid Sick TimeTuition Reimbursement

Pay Range (Applicable to Massachusetts)$107,400.00 USD - $147,700.00 USD Annual

Job CategoryDesign, 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 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 JetCool, you must complete the application process first).