Manufacturing Engineer

Job Posting Start Date 11-20-2025 Job Posting End Date 01-30-2026

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 Technologies is seeking an experienced Manufacturing Engineer in Littleton, MA to join our growing Operation’s team to assist with the introduction of a new class of direct to liquid cooling solutions. This roll will work extensively with engineering, manufacturing, quality and program management to ensure the transfer of new design’s into mass production are efficient and cost effective to produce. Strong preference will be given to those with a proven track record of working within a phase gate driven NPI process.

JETCOOL Technologies is a fast-moving technology company spun out of MIT and now a member of the Flex family. Our technology provides game-changing cooling solutions for aerospace, electric vehicles, and data centers. Join us to be part of one of today’s fastest growing industries, while having a positive impact on society sustainability through innovative technologies.

What a Typical Day Looks Like:

• Working in collaboration with Design Engineering and Process Engineering, contribute to design for manufacturing and design for automation feedback to development teams and process flow optimization in support of mass production. This for in-house manufacturing and across Jetcool’s global supply chain
• Design, build, and deploy smart process assembly fixturing, tooling, and quality test tools internally, domestically and at global suppliers that interact with MES systems
• Create and release revision controlled work instructions, provide operator training (internally and at selected global manufacturing partners) and ensure released processes are cost effective and safe
• Analyze process yields on an on-going basis, recommend improvements and apply continuous improvement principles to production
• Be a creator and contributor to the ECO process

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

• 4-year college technical degree, masters preferred
• 5+ years of relevant industry experience
• Experience working with electro-mechanical systems consisting of fluids and pumps
• Experience working with PLM, MES and ERP systems
• Experience working in an aggressive new product introduction environment utilizing a phase gate approach supported by a global supply base
• Proficiency in 2D and 3D CAD software. Preference given to those with Solidworks experience

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)

$84,000.00 USD - $115,500.00 USD Annual

Job Category

Operations

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).