Test Engineer

Crown Technical Systems; Fontana (CA); On-site; USD 85,000 - 120,000; Full time

Job summary

Crown Technical Systems in Fontana, CA, is seeking a Test Engineer to join our team. You will support testing for relay panels, control buildings, and MV switchgear, coordinating with Production Leaders and Engineering to meet project needs.

Reporting to the Electrical Engineering Manager, the role requires hands-on AC/DC testing, 2–4 years of experience, and strict adherence to testing procedures and safety standards.

Qualifications

• Bachelor’s Degree in Electrical Engineering is preferred.
• Hands-on experience performing AC/DC functional testing on protection relays, MV switchgear, MV breakers, and arc flash.
• 2–4 years of related work experience.
• Knowledge of testing three-phase AC and DC power distribution circuits and troubleshooting.
• Ability to follow Crown/Customer testing forms and IEEE guidelines.
• Detail-oriented with strong problem-solving and analytical skills.

Responsibilities

• Maintains testing schedule per project and production schedules with Production Leaders and Engineering.
• Monitors testing status and gathers feedback from test technicians.
• Reviews project specs and implements testing procedures to meet requirements.
• Prepares test plans, reports, drawings, and test pictures.
• Performs power testing of relay panels, MV switchgear line-ups, and associated components (HMI, cables, etc.).
• Drives quality improvements and ensures safety and testing standards are followed.
• Supports Lead Engineer and assists with related project tasks.

Skills

AC/DC testing

Electrical testing

IEEE guidelines

Education

Bachelor’s Degree in Electrical Engineering

Job description

Crown Technical Systems, a Flex Company, is a leader in power distribution and protection systems concentrating on sophisticated, state-of-the-art relay and control panels, medium voltage switchgear, and enclosures (power/control buildings/ E-Houses). We specialize in customized, turn-key solutions that ensure safe, secure, and reliable power distribution.

Working at Crown Technical Systems offers a dynamic and rewarding career path for individuals seeking to power the world. Through hands‑on training, mentorship, and a culture of internal promotion, we empower you to reach your full potential and contribute to projects that truly matter.

To support our extraordinary teams who build great products and contribute to our growth, we’re looking to add a Test Engineer located in Fontana, CA.

Reporting to the Electrical Engineering Manager, the Test Engineer will be responsible for fulfilling testing requirements for manufacturing projects while meeting schedule requirements. The Electrical Test Engineer will contribute to the overall testing of manufacturing projects related to relay panels, control buildings, and medium voltage switchgears.

What a typical day looks like:

• Maintains testing schedule per Crown project schedule and production schedule in partnership with Production Leaders and Engineering Department.
• Monitors testing status daily; gathers feedback from all test technicians.
• Reviews project specifications and implement testing procedures to comply with project requirements.
• Reviews test plans of all projects against schematics with test technicians before submittal.
• Maintains test folder for all projects with relevant test reports, test drawings, and test pictures.
• Reviews and maintains testing equipment list with Test Technicians.
• Creates and maintains test procedures, including testing forms.
• 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.
• 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.
• Works with Lead Engineer and assists with other related project tasks.
• Perform all other duties, as assigned.

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

• Bachelor’s Degree in Electrical Engineering preferred; experience may be substituted for education.
• Prior hands‑on experience performing AC/DC functional testing on protection relays, MV switchgear, MV breaker, and arc flash.
• At least 2 to 4 years of related work experience.
• Knowledge in testing three-phase AC and DC power distribution circuits, including troubleshooting.
• Ability to follow Crown/Customer testing forms and IEEE guidelines to perform testing.
• Detail‑oriented with excellent problem‑solving and analytical skills

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Crown Technical Systems 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 [e-mail] 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 Crown Technical Systems, you must complete the application process first).