
Description
Job Posting Start Date 09-04-2025 Job Posting End Date 09-10-2025Flex is the diversified manufacturing partner of choice that helps market-leading brands design, build and deliver innovative products that improve the world.A career at Flex offers the opportunity to make a difference and invest in your growth in a respectful, inclusive, and collaborative environment. If you are excited about a role but don't meet every bullet point, we encourage you to apply and join us to create the extraordinary. Job Summary
JETCOOL Technologies a Flex company is a fast-moving cooling solution provider, and successful MIT-spinoff, producing game-changing cooling solutions for aerospace, electric vehicles, and data centers. We are looking for a Principal Engineer based in Littleton, Ma.
What a typical day looks like:
- Work with JetCool commercial team to adapt customer requirements into an implementation ready design.
- Advance technology maturity of new secondary system design elements (water quality, flow regulation etc.).
- Work with manufacturing partners to establish modular design specifications for fast customer implementation and deployment.
- Lead communication and technical exchange with customers, build and cultivate customer and partner relationships, focusing on behind and beyond the rack cooling infrastructure
- Work with Flex supply chain to enable vendors and ensure specifications are up to date.
- Lead technical problem solving and pull in cross functional team to provide innovative thermal cooling system solutions
The experience we're looking to add to the team:
- Bachelor (or higher) of Science (B.S. in mechanical or aerospace engineering) and 5+ years of work experience and 2+ years thermal heat rejection architecture / infrastructure experience
- Excellent first principles knowledge in mechanical engineering, fluid dynamics, thermodynamics, and system heat transfer
- Track record of delivering thermal heat rejection solutions to customers with high quality and on schedule
- Strong communication skills
- Strong problem-solving and thermal / fluid system analysis skills
- Ability to specify smart heat rejection system architectures
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
Is Sponsorship Available?
NoFlex 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 Flex, you must complete the application process first).Apply on company website