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Mechanical Engineer (Entry Level)

Flex
Flex Salary
Fontana, CA Full Time
POSTED ON 4/21/2026
AVAILABLE BEFORE 5/20/2026
Flex is the diversified manufacturing partner of choice that helps market-leading brands design, build and deliver innovative products that improve the world. A career at Flex offers the opportunity to make a difference and invest in your growth in a respectful, inclusive, and collaborative environment. If you are excited about a role but don't meet every bullet point, we encourage you to apply and join us to create the extraordinary.

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

Reporting to the Engineering Manager, the Mechanical Engineer is responsible for the mechanical design, development, and calculations of assigned manufacturing projects related to power distribution products including relay panels, control buildings, and switchgear (low and medium voltage).

The regular schedule for this role is Monday–Friday, 7:30 a.m.–4:15 p.m., onsite. Additional hours outside the standard schedule, including occasional weekends, may be required depending on operational needs and workload demands.

What a typical day looks like:

  • Participates in the development, engineering, design, and drafting of manufacturing projects related to control buildings, relay panels, and switchgear.
  • Assist in generating mechanical 2D and 3D fabrication and assembly drawings (example: enclosures, cabinets, panels, etc.)
  • Create bill of materials for assigned projects.
  • Coordinate with customers regarding specification/design questions and clarifications.
  • Work with purchasing department and vendors to receive quotes and lead times to complete design.
  • Provide engineering support to production departments during all stages of manufacturing.
  • Develops an understanding of design for excellence philosophy.
  • Provide suggestions on areas of improvement to standardize and increase the efficiency surrounding production.
  • Perform other related duties as assigned.

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

  • Bachelor’s Degree in Mechanical Engineering required, and at least 0-2 years of related work experience.
  • Proficient in the use of SolidWorks to create 2D and 3D fabrication and assembly drawings, with no or minimal supervision.
  • Strong analytical and problem-solving skills and ability to provide out-of-the-box solutions.
  • Familiar with parametric design procedures (knowledge of VBA)
  • General understanding in mechanical and structural FEA
  • Proficient with Microsoft Office Suite and CAD software.

-Site

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

Salary.com Estimation for Mechanical Engineer (Entry Level) in Fontana, CA
$87,392 to $104,244
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