Software engineer Jobs in Fontana, CA

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 an Electrical Engineer located in Fontana, CA.

Reporting to the Director of Engineering, the Electrical Engineer is responsible for the electrical design, development, and calculations of assigned manufacturing projects. This role will create robust and manufacturable designs, support product development activities, and work cross-functionally to ensure all electrical solutions meet functional, quality, and customer requirements.

What a typical day looks like:

• Review customer specifications to create drawings and bill of materials for assigned projects within budget, including the selection of parts

• Design single line diagrams, schematic and wiring diagrams for power distribution, including network diagrams for communication and automation.

• Generate detailed substation control house wiring drawings based on customer-supplied guidance schematic.

• Design and perform load calculations for power distribution systems.

• Work with Purchasing and Vendors to receive quotes and lead times to complete design.

• Work with the mechanical engineering department to secure an integrated product design.

• Provide engineering support to production departments during all stages of manufacturing.

• Coordinate with customers regarding specification/design questions and clarifications.

• Provide suggestions on areas of improvement to standardize and increase the efficiency surrounding production.

• Performs other duties as assigned.

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

• Bachelor's Degree in Electrical Engineering required.

• At least 5 years of related work experience preferably in electrical power systems.

• 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

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 07-12-2026 Job Posting End Date

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.

$91,300.00 USD - $125,600.00 USD Annual Job Category Design, Process & Technology EngineeringRelocation: Not eligible

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).