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

Flex intends to spin off its Cloud and Power Infrastructure segment into a new, independent publicly traded company, which we’re calling SpinCo, until the name is unveiled. The spin is planned for Q1 2027. If the intended spin occurs, this role will support SpinCo, which will focus on critical digital infrastructure, delivering end-to-end power and thermal management solutions for AI data centers and other mission-critical applications.

To support our extraordinary teams who build great products and contribute to our growth, we’re looking to add a Sr Director, Operations located in Guadalajara North, Campus.

Reporting to the Sr Director Operations. The Director, Operations will be responsible for leading and overseeing advanced mechanical and electromechanical assembly operations, SMT manufacturing lines, and Liquid Cooling processes, ensuring scalable, high‑volume production, technology integration, and operational excellence.

What a typical day looks like:

• Guarantee production, delivery in full, on time and in specifications, required by customers, at the most cutthroat cost.
• Define operational financial goals.
• Operational business experience including a successful performance track record managing staff and P&L.
• Establish and communicate Business Unit goals and assignments.
• Define and execute operational programs in line with strategic plans and annual operating goals.
• Meet with Executive Business at least monthly to review and evaluate KOI's.
• Attend quarterly business reviews with key customers.
• Partner with other business to establish strategic plans and goals.
• Direct and control the activities on purchasing business, production control, planning, manufacturing engineering, test engineering, maintenance, manufacturing and logistics.
• Implement appropriate HR strategies and actions to recruit and retain a qualified and motivated workforce.

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

• BA/BS/MBA or equivalent work experience
• Advanced Mechanical & Electromechanical Assembly Expertise: Strong hands‑on experience in high‑volume, high‑complexity mechanical and electromechanical assembly, including server enclosures, trays, and structural components. Proven ability to support new assembly technologies and production ramp‑ups up to 26,000 units, ensuring quality, repeatability, and compliance with industrial standards.
• SMT Line Operations & Process Coordination Extensive experience running and coordinating multiple SMT production lines, with solid knowledge of product testing, process integration, and clean room / controlled area coordination.
• Demonstrated capability to implement, operate, and coordinate Liquid Cooling systems, including cross‑functional alignment and stable production start‑ups.
• CEC): Components: ASICs, CPUs, GPUs and complex BGAs, Optical Packages such Co-package optics (CPOs), Pluggable optics etc. PCB: PCB fabrication process and impact of VIPPO, Lamination, etc. PCBA: Deeper experience in SMT to Final assembly including Thermal management (Heatsink, TIM, Liquid & Cryo Cooling, Cold Plate.
• Advanced English communication skills (verbal and written).
• Knowledge of large-scale mechanical assemblies and rack handling.
• Familiarity with managing large teams (DL).

What you’ll receive for the great work you provide:

• Competitive Salary.
• Life & Medical insurance.
• Christmas Bonus.
• Food Coupons.
• Saving Fund.

SC69

Job Category

Required Skills:

Optional Skills:

Flex 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 Flex, you must complete the application process first).