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

The Training Supervisor will be based in Milpitas, CA, reporting to the Operations Training Manager. The Training Supervisor will be responsible for developing and delivering learning solutions for the assigned client group(s) within operations and providing on-going coaching and feedback to ensure associates have the necessary skills to meet the requirements of their position.

Shift :Monday- Friday 2:30PM - 11PM or 3PM-11:30PM

What a typical day looks like:

• Delivers new hire training and other training programs to assigned client groups
• Evaluates training to ensure effectiveness and that associates have the necessary skills to perform job duties.
•  Maintains business relationships with management liaisons to ensure feedback on process and results of the training are incorporated into the ongoing curriculum.
• Conducts classroom and On-the-Job Training for operators and technicians when the need arises.
• Ensure all operators are trained and certified based on process requirement in a timely manner.
• Monitors and follows-up certification and re-certification activities.
• Ensures training system and standard compliance at all time.
• Participates and performs process/system related training.
• Prepares training packages as and when required by the respective projects.
• Tracks and reports information by reviewing employee training records for current licenses, certificates, and renewals, maintaining records of mandatory training, maintaining up to date training files on all safety sensitive personnel, checking all files for up to date medical, and advising employees as needed for training purposes.

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

• Typically requires a bachelor’s degree in related field or equivalent experience.
• 3+ years of training experince
• 3+ years of supervisor experince
• Previous manufacturing experince
• Good communication skills and excellent interpersonal skills.

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 08-03-2026 Job Posting End Date 10-19-2026

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.

$73,900.00 USD - $101,600.00 USD Annual

Job Category

Operations

Is Sponsorship Available?

No

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).