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Job Posting Start Date 03-18-2026 Job Posting End Date 05-15-2026

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 Lead Engineer located in Fontana, CA.

Reporting to the Director of Engineering, the Lead Engineer is responsible for overseeing the overall engineering design process. This role will lead cross-functional technical development from concept through production, ensuring products meet design intent, performance requirements, manufacturability, cost goals, and quality standards. The Lead Engineer will guide engineering design decisions, coordinate validation and test activities, and partner with operations, quality, and manufacturing teams to ensure a seamless transition into full production.

What a typical day looks like:

• Manage, schedule, and track all Engineering tasks and related assigned project work; schedules, directs, and trains other engineers and designers in their project tasks and deliverables.

• Provide technical direction, design oversight, and engineering leadership throughout the entire engineering design lifecycle.

• Review and approve engineering designs, specifications, and drawings for readiness and manufacturability.

• Collaborate with cross-functional engineering teams (mechanical, electrical, firmware, software, manufacturing engineering) to ensure cohesive product development.

• Reviews and approves documents to be submitted to the customer and released for manufacturing, including drawings, BOMS, fabrication and assembly work orders, and other related documents.

• Direct and execute development, engineering, design, drafting, and documentation of assemblies, and the incorporation of purchased components, electrical wiring, and related assemblies using in-house and outsourced resources.

• Read and understand all customer documentation provided: specifications, General Assembly drawings, plan view drawings, electrical single line and schematic drawings, wiring diagrams, detail fabrication drawings, BOMs, etc.

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

• Creates improvements and implement standardized designs and processes to increase efficiency in production (lower cost and time, increase quality).

• Perform and/or audit mechanical engineering calculations for design as needed.

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

• Bachelors degree in Mechanical Engineering or related engineering field.

• At least 7 years of relevant work experience in engineering; experience in full product lifecycle development is a plus.

• Strong understanding of design principles and manufacturing processes with engineering knowledge of common materials and methods of fabrication.

• Experience coordinating and leading cross-functional engineering teams.

• Strong analytical and problem-solving skills.

• Excellent verbal and written communication skills.

• Excellent organizational skills and attention to detail.

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

• Ability to collaborate in team environments.

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)

$104,100.00 USD - $143,100.00 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).