Flex

Lead Engineer

Flex$105K — $144K *
Manufacturing & Automotive
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in Mechanical Engineering or related field
  • 7+ years of engineering experience
  • Knowledge of design principles and manufacturing processes
  • Experience leading cross-functional engineering teams
  • Strong analytical and problem-solving abilities
  • Excellent verbal and written communication skills
  • Proficient organizational and time management skills

Responsibilities

  • Manage and track engineering tasks and project work
  • Provide technical direction and oversight throughout the engineering design lifecycle
  • Review and approve engineering designs and specifications
  • Collaborate with cross-functional teams for cohesive product development
  • Approve documents for customer submission and production
  • Direct development and documentation of assemblies with in-house and outsourced resources
  • Audit mechanical engineering calculations as needed

Benefits

  • 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
Full Job Description
Job Posting Start Date 05-18-2026 Job Posting End Date 07-17-2026

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)

$105,000.00 USD - $144,400.00 USD Annual

Job Category
Design, Process & Technology Engineering

Relocation: Eligible for domestic and international relocation

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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