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, Axiom, with the spin planned for Q1 2027. If the intended spin occurs, this role will support Axiom, a company focused on critical digital infrastructure and 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/an Lead Electrical Test Technician in USA, Fontana Ca.
Reporting to the Electrical Engineering Assistant Manager the Lead Electrical Test Technician is responsible for leading a team of employees in completing electrical testing of manufactured projects. In addition, this role will complete complex electrical testing of products during the manufacturing process based on established testing procedures.
What a typical day looks like:
- Oversees the work of assigned team employees.
- Addresses minor discipline problems with team members; refers more serious cases to the supervisor.
- Assists with the planning and preparation of training for new team members.
- Collaborates with team members to discuss upcoming work assignments; delegates assignments based on team members skills and experience.
- Assists team members with technical issues or advanced problems with given assignments
- Partners with supervisor or engineering manager to resolve any issues that arise within department.
- Monitors testing status daily; gathers feedback from all test technicians.
- Follow AC/DC schematics and wiring diagrams to perform testing of main electrical distribution AC/DC systems for power distribution control houses and panels.
- Work closely with engineering and production team members to ensure accurate, efficient and timely execution of required testing work
- Be able to troubleshoot assembly, wiring and testing problems
- Performs full functional testing on various circuits including HVAC system, lighting, receptacles, fans, fire alarm systems, battery system, and meggering of cables.
- Perform complete testing including current/voltage injections, Hi-Potential Testing, I/O checks and circuit breaker simulation testing on Relay Panels and Switchgear.
- Perform Factory Acceptance Testing with customer as required.
- Perform customer site visits to troubleshoot and resolve any field issues that may arise.
- Drafts detailed technical reports to present findings; based on findings, recommends modifications needed to correct production problems
- Perform other related duties as assigned
The experience we’re looking to add to our team:
- High school diploma or equivalent; associate’s degree in electrical engineering or related field required. Bachelor's degree in related field preferred.
- At least 4 years of experience in power distribution electrical testing or related field
- Relevant experience leading a team.
- Ability to read and interpret wiring diagrams, schematics, and single line diagrams.
- Knowledge in testing of three phase AC and DC control circuits.
- Knowledge in testing protection relays and switchgear.
- Knowledge of power distribution, breakers, current and potential transformers, protection relays, and switchgear.
- Familiar with protection relay software such as Schweitzer, AcSELerator and GE Enervista UR.
- Good working knowledge of standard electrical testing and measuring equipment
- Knowledge of Electrical Safety Procedures and NEC Codes
- Excellent verbal and written communication skills with the ability to discuss product flaws in a constructive and positive manner.
- Excellent interpersonal skills.
- Excellent organizational skills and attention to detail.
- Strong analytical and problem-solving skills.
- Proficient with Microsoft Office Suite or related software to prepare test reports and proposals.
What the physical requirements are:
- Periods of standing, walking, and sitting at a desk using a computer
- Must be able to lift up to 30 pounds at a time
- Must be able to traverse production facility to complete testing
- Ability to travel to customer sites when necessary.
- Must wear PPE, such as gloves, safety glasses, hard hat, and ear protection, while working on the production floor
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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 Posting Start Date 09-18-2026 Job Posting End Date 11-01-2026


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.
$31.04 USD - $42.68 USD Hourly
Job Category
Production Engineering
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).
