Manufacturing Manager

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 Manufacturing Engineering Manager located in Littleton, MA.

Reporting to the Sr Director, Operations the Manufacturing Engineering Manager will Plan, direct, and coordinate manufacturing processes by providing technical support in the development, implementation and maintenance of manufacturing methods by performing the following duties.

What a typical day looks like:

• Manage a team of engineers and technicians to establish and maintain manufacturing control systems for equipment, process, product, automation and box build.
• Design an optimized manufacturing processes flow to meet customer product quality and delivery.
• Develop, evaluate, and improve manufacturing methods driving on quality, cost and yield improvement.
• Evaluate and plan workforce utilization, space requirements, workflow, design layout of equipment, workspace for maximum efficiency and automation implementation.
• Responsible for maintaining and improving all equipment/processes related to efficiency, cycle times, capacity and capabilities.
• Coordinate with customers to define product specifications, Dfx engagement and design changes.
• Participate in early NPI involvement & new capabilities readiness for mass production.
• Applies FMEA/statistical methods to estimate future manufacturing requirements and potential risk.

 

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

 

• Typically requires a Bachelor’s Degree in a related field or equivalent experience and training. A Master's or MBA degree is preferred. Typically requires a minimum of 5 years of engineering experience, including supervision.
• Demonstrates functional, technical and people and/or manufacturing management skills as well as customer (external and internal) relationship skills. Demonstrates expertise in multiple areas and industry.
•  Demonstrates proficient knowledge of the function and a thorough understanding of Flex and related business. Demonstrates knowledge of multiple functional technologies/processes, industries or functions and understanding of interdependencies of such processes at the site. 
• Use of the following tools may be required:  Office Skills: typing, telephones, data entry, HR related and office software to include; word processing, spread sheets, and presentation packages. Must have a good knowledge of employment law and company practices, with excellent interpersonal and organizational skills.
• Ability to read, analyze, and interpret the most complex documents. Ability to respond effectively to the most sensitive inquiries or complaints.
• Ability to write speeches and articles using original or innovative techniques or styles.
• Ability to make effective and persuasive speeches and presentations on controversial or complex topics to top management, public groups, and/or boards of directors.
• Ability to work with mathematical concepts such as probability and statistical inference to practical situations.
• Ability to define problems, collect data, establish facts and draw valid conclusions.
• Ability to interpret an extensive variety of technical instructions in mathematical or diagram form and deal with several abstract and concrete variables.
• Impacts the medium term direction and operational success of the function.  Executes and provides input to functional plans and objectives for the site.
• Enhances and provides input to functional processes or technologies. Has experience in leading major initiatives and provides input to those initiatives. May have P&L responsibility for sections/sub-functions.
• Makes decisions for the function and the site. Decisions may affect site.
• Demonstrates proficiency in performance development, teaching/ leading, mentoring and/or organizational development. 

 

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.

Job Posting Start Date 10-18-2026 Job Posting End Date 12-31-2026

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.

$99,900.00 USD - $137,400.00 USD Annual

Job Category

Production 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).