Flex

Test Engineering Manager

Flex$96K — $132K *
Energy & Utilities
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • Technical degree in electrical tech field
  • 5+ years of related work experience
  • Prior hands-on experience performing AC/DC functional testing on protection relays and MV switchgear
  • Experience leading or managing a team of technicians
  • Knowledge of Electrical Safety Procedures and NEC, IEEE Codes
  • NETA Certification is a plus

Responsibilities

  • Lead and manage the testing team for substation control house projects
  • Maintain and monitor the testing schedule in alignment with project timelines
  • Implement and review testing procedures per project specifications
  • Oversee daily testing status and gather feedback from technicians
  • Conduct quality analyses and drive process improvements in testing
  • Ensure compliance with safety standards and quality procedures
  • Perform power testing on various control components and systems

Benefits

  • Full medical, dental, and vision plans
  • Life Insurance coverage
  • Short-term and long-term disability options
  • Matching 401(k) contributions
  • Vacation and paid sick leave
  • Tuition reimbursement assistance
Full Job Description
Job Posting Start Date 04-14-2026 Job Posting End Date 07-27-2026

Job Summary

To support our extraordinary teams who build great products and contribute to our growth, we're looking to add a/an Test Engineering Manager located in Fontana, CA.

Reporting to the Director, Design & Engineering the Test Engineering Manager will be responsible for leading the team responsible for testing substation control house projects while meeting budgetary and schedule requirements. Additionally, the Testing Supervisor will monitor the work performed by the test technicians, and work with them to identify and troubleshoot critical issues.

What a typical day looks like:

  • Maintains testing schedule per Crown project schedule and production schedule with guidance from the Electrical Engineering Manager.
  • Monitors testing status daily; gathers feedback from all test technicians.
  • Reviews project specifications and implements testing procedures to comply with project requirements.
  • Reviews test plans of all projects against schematics with test technicians before testing commences.
  • Reviews test reports and testing schematics for completion and adherence to Crown's testing procedures/work instructions.
  • Maintains physical copies of all completed test reports and testing schematics, and makes sure the same are uploaded to the project folder in a timely manner.
  • Reviews and maintains testing equipment list with Test Technicians.
  • Creates and maintains test procedures, including testing forms.
  • Leads problem-solving initiatives to analyze quality failures and help drive quality improvements (ex. ways to improve the efficiency of testing to reduce the time required).
  • Ensures all team members follow testing standards and safety procedures; promptly report and investigate all quality failure incidents.
  • Ensures work areas are kept clean, organized, and safe.
  • Performs power testing of protective relay panels, medium voltage switchgear line-ups, test communication, and HMI components on the relay panel. Testing also involves panel boards, automatic transfer switches, fire alarm systems, air conditioning, and other power distribution components.
  • Perform all other duties, as assigned.


The experience we're looking to add to our team,

  • Technical degree in electrical technical field.
  • Prior hands-on experience performing AC/DC functional testing on protection relays, MV switchgear, MV breaker, and arc flash.
  • 5+ years of related work experience.
  • Experience leading or managing a team of technicians.
  • Knowledge of Electrical Safety Procedures, NEC, IEEE Codes.
  • NETA Certification a plus.


EC37

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


Pay Range (Applicable to California)

$96,400.00 USD - $132,500.00 USD Annual

Job Category
Production Engineering

Relocation: Eligible for domestic relocation only

Is Sponsorship Available?
No

About Flex

Flex Ltd. is an American Singaporean-domiciled multinational electronics contract manufacturer. It is the third largest global electronics manufacturing services (EMS), original design manufacturer (ODM) company by revenue, behind only Pegatron for what concerns original equipment manufacturers. Flex has manufacturing operations in over 30 countries, totaling approximately 200,000 employees.
Learn more about Flex
Size
172,648 employees
Market Cap
$9.7 billion
Industry
Net Income
$421 million
Founded
2016
5 Year Trend
+1.8%
Revenue
$23.3 billion
NASDAQ

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