Technical Program Manager

Job Posting Start Date 09-17-2025 Job Posting End Date 09-22-2025

Flex 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 seeking a Principal Mechanical Engineer to add to our team in Littleton, MA. Join us in shaping the future of data centers while making a significant impact on sustainability. Apply now to be part of our dedicated team of engineers and thinkers!

JetCool has a mission to continuously innovate next-generation cooling solutions to enable the devices that fuel a more sustainable tomorrow. JetCool designs and delivers microconvective cooling® technology for high-power electronics, enabling our customers to achieve unprecedented performance and unrivaled sustainability improvements. Our technology creates a ripple effect, enabling the businesses we serve to become more sustainable, profitable, and efficient. Join us to be part of some of today's fastest growing industries, while having a positive impact on society through technology.

• Work with business and commercial leaders to fully understand customer requirements and translate into internal project plan including scope of work, objectives, deliverables, milestones, resource planning, scheduling, and cost estimate.
• Lead a cross-functional project team through the product and system development cycle from concept development, to prototyping and validation and work closely with engineering and manufacturing leaders to ensure on-time delivery of quality solutions to the customers
• Lead communication and technical exchange with customers, build and cultivate customer relationships
• Develop and own, initial product functional specs and ensure the final product meet or exceed the spec and customer expectations
• Lead technical problem solving and pull in cross functional team to provide innovative solutions
• Engage with external vendors to procure parts and hardware, form partnerships for new capabilities
• Actively manage product development stages and milestones
• Manage IP generation, protection and ensure product leadership during the development cycle
• Effectively document and communicate progress and results to leadership and to customers
• Ensure effective and efficient technology transfer to product engineering and manufacture teams for product launch
• Be intellectually curious, open to feedback and committed to ongoing professional development

• Bachelor (or higher) of Science in engineering and 7+ years of work experience and 2+ years technical program/project management experience
• Prior experience or demonstrated knowledge of the data center space focusing on liquid cooling solutions.
• Excellent first principles knowledge in mechanical engineering, fluid dynamics, thermodynamics, heat transfer and electrical engineering
• Track record of delivering complex technical solutions to customers with high quality and on schedule
• Strong R&D project management skills and communication skills
• Strong problem-solving and risk analysis skills
• Ability to develop thermal fluids system
• Must be able to lead customer interaction and relationship building
• Ability to balance and prioritize multiple simultaneous projects
• Ability to lead/work independently and lead small teams

• 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