Controls Design Engineer Job Listing at Flex in Fontana, CA (Job ID WD217738)

Description

Job Posting Start Date 03-23-2026 Job Posting End Date 05-18-2026

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.

Job Summary

To support our extraordinary teams who build great products and contribute to our growth, we're looking to add a Controls Design Engineer (Electrical) located in Fontana, CA.

Reporting to the Director of Engineering, the Controls Design Engineer is responsible for the design, development, and integration of electrical systems for data center power infrastructure, including medium and low voltage switchgear, automatic transfer systems, power monitoring, and control systems. This role will focus on developing control architectures that support high-reliability power distribution systems, including integration with SCADA, BMS, EPMS, and power monitoring systems used in hyperscale and enterprise data centers.

What a typical day looks like:

• Design control systems for medium-voltage and low-voltage switchgear assemblies, including monitoring, interlocks, and automation functions.

• Develop electrical schematics, wiring diagrams, and control panel layouts using tools such as AutoCAD Electrical or EPLAN.

• Design control architectures for generator paralleling, automatic transfer schemes, and load management systems.

• Develop control narratives and functional descriptions for power distribution systems.

• Create and maintain Bill of Materials (BOM) for control systems and electrical panels.

• Develop PLC or relay logic for control and monitoring of power distribution systems.

• Integrate switchgear with EPMS (Electrical Power Monitoring Systems) and BMS platforms used in data centers.

• Maintain detailed electrical documentation including: schematics, control narratives, wiring diagrams.

• Ensure designs comply with applicable standards such as: NEC (NFPA 70), NFPA 70E, NFPA 99, UL 891 / UL 1558 switchgear standards, IEEE power system guidelines.

• Collaborates with electrical, mechanical, manufacturing, and commissioning teams to ensure designs meet reliability, safety, and redundancy requirements typical of mission-critical environments

• Perform other related duties as assigned,

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

• Bachelors degree in Electrical Engineering required.

• At least 4 years of relevant work experience in electrical controls design, switchgear, or power distribution.

• Excellent verbal and written communication skills.

• Excellent budgeting and cost containment skills.

• Excellent organizational skills and attention to detail.

• Excellent time management skills with a proven ability to meet deadlines.

• Strong analytical and problem-solving skills.

• Ability to work well in a cross-functional team environment

• Strong knowledge of standard electrical testing and measuring equipment.

• Knowledge of Electrical Safety Procedures, NEC, NESC, NEMA, IEEE and ANSI Codes.

• Proficient with Microsoft Office Suite and AutoCAD or related software.

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) $90,300.00 USD - $124,100.00 USD Annual Job Category Design, Process & Technology Engineering

Is Sponsorship Available?

No

Crown 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 Crown, you must complete the application process first).

 Apply on company website