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

To support our extraordinary teams who build great products and contribute to our growth, we’re looking to add a Lead Product Development Engineer located in Littleton, MA.

Reporting to the David Anthony Akman the Lead Product Development Engineer will serve as the technical owner for a major liquid-cooling product-development program. This individual leads product architecture, requirements, design decisions, technical risk management, verification, pre-production deployment, and production readiness.

What a typical day looks like:

• Own the technical direction and execution of assigned product-development programs.
• Lead system architecture, technical tradeoffs, interface management, and major design decisions.
• Partner with the Thermal Systems Engineer to establish and maintain product requirements and traceability.
• Coordinate mechanical, thermal, electrical, controls, reliability, manufacturing, quality, and supplier-engineering activities.
• Define development, analysis, prototyping, risk-retirement, and DV&V plans.
• Lead concept reviews, PDRs, CDRs, FDRs, DFM reviews, and production-readiness reviews.
• Identify critical technical risks and drive timely mitigation.
• Direct prototype and pre-production builds, testing, troubleshooting, and failure analysis.
• Assess design maturity and communicate verified performance, assumptions, limitations, and residual risks before shipment.
• Support supplier qualification, manufacturing transfer, customer discussions, and field investigations.
• Mentor engineers and provide technical leadership without direct management authority.

The experience we’re looking to add to our team:

• Bachelor’s degree in engineering or equivalent practical experience.
• Typically 12+ years of hardware product-development experience.
• Demonstrated leadership of multidisciplinary development programs.
• Strong knowledge of mechanical, thermal-fluid, system-integration, and product-qualification principles.
• Experience developing complex hardware from concept through pre-production or production.
• Strong technical judgment, risk-management, and executive communication skills.
• Hands-on experience with prototype builds, testing, and failure analysis.
• Datacenter liquid-cooling experience strongly preferred.
• Familiarity with SolidWorks, CFD, FEA, 1D modeling, PDM/PLM, and regulated product-development environments preferred.
• Product architecture, ownership, interfaces, and technical decisions are clear.
• Critical risks are identified and retired early.
• Leadership receives objective design-maturity assessments before deployment.
• Products transition successfully into reliable, repeatable production.

BO18

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

Application Deadline:

Applications for this job position will be accepted for at least five days following the job posting start date below and continuing until the end date below or until the position is filled. This posting may close sooner due to application volume.

The base pay range for this position is provided below. The final base rate offered will be determined using job-related, non-discriminatory criteria, including but not limited to experience, qualifications, geographic location, education, external market data, and internal equity.

Job Category

Is Sponsorship Available?

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 [email protected] 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).