Test Supervisor

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

To support our extraordinary teams who build great products and contribute to our growth, we're looking to add a Testing Supervisor to our Operations organization.

 

Reporting to the Quality Assurance Manager, the Testing Supervisor will provide day-to-day leadership and oversight of the Testing department. This role is responsible for leading Testing Technicians, ensuring safe work practices, maintaining product compliance, supporting manufacturing flow, and meeting customer delivery requirements. The supervisor will oversee staffing, employee performance, training, attendance management, equipment readiness, and continuous improvement initiatives while maintaining a strong presence on the manufacturing floor. This position collaborates closely with Production, Enclosures, Quality Engineering, Engineering, Project Management, Continuous Improvement, and Quality Compliance teams to drive operational excellence and quality performance.

 

What a Typical Day Looks Like

 

• Create and manage weekly and daily manpower plans to achieve labor efficiency and RTS goals for panels, enclosures, and battery maintenance.
• Lead, coach, and develop Testing Technicians through training programs, cross-training initiatives, performance management, and employee development.
• Cultivate and strengthen a quality-focused culture while collaborating with the Quality Compliance Leader on daily and weekly reporting activities.
• Own testing communications related to RTS risks, alerts, Fixems, testing forecasts, and daily production planning.
• Manage testing equipment, including preventive maintenance, repairs, calibration coordination, and procurement of new equipment.
• Ensure compliance with all safety procedures and lead containment actions, root cause investigations, and corrective action activities.
• Drive Lean Manufacturing, 5S, waste reduction, and continuous improvement initiatives to improve quality and operational efficiency.
• Support functional testing activities including panels, enclosures, communication cables, diagnostics, repairs, special projects, and customer fulfillment requirements.

 

The Experience We're Looking to Add to the Team

 

• Bachelor’s degree in engineering, Industrial Technology, Business, or a related field preferred.
• Minimum 3-5 years of manufacturing supervisory experience leading hourly employees.
• Experience leading testing, manufacturing, or operations teams preferred.
• Working knowledge of manufacturing flow, Lean Manufacturing principles, and 5S methodologies.
• Experience leading root cause analysis, corrective actions, and continuous improvement initiatives.
• Demonstrated experience managing attendance, employee development, performance reviews, coaching, and disciplinary actions.
• Proficiency with Microsoft Office Suite and strong analytical, organizational, and problem-solving skills.
• Knowledge of electrical theory and troubleshooting to support test plan development and issue resolution.
• Excellent verbal, written, and interpersonal communication skills.
• Leadership training completed within the first 12 months of employment preferred.

 

Physical Requirements

 

• Ability to stand and walk on the manufacturing floor for approximately 75% of the workday.
• Frequent standing, crouching, stooping, kneeling, reaching, climbing, and handling.
• Ability to lift and move up to 40 pounds independently and 50-100 pounds with assistance when required.
• Ability to climb ladders and work safely in a manufacturing environment.
• Continuous speaking, hearing, and visual effort, including close and distance vision, depth perception, and focus adjustment.
• Exposure to loud manufacturing environments, including drilling, cutting, and other production-related hazards.
• Ability to perform prolonged periods of walking and standing while supporting daily operations.
• Commitment to maintaining all workplace safety standards and procedures.

 

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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 Category

Quality

Relocation: Eligible for domestic relocation only

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 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 Flex, you must complete the application process first).