Jobs Companies Flex Mechanical Engineer

About this Mechanical Engineer role at Flex

Flex · Onsite · USA, CA, Fontana
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.

Job Summary

Flex intends to spin off its Cloud and Power Infrastructure segment into a new, independent publicly traded company, Axiom, with the spin planned for Q1 2027. If the intended spin occurs, this role will support Axiom, a company focused on critical digital infrastructure and delivering end-to-end power and thermal management solutions for AI data centers and other mission-critical applications.

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 Director of Engineering, 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).

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.
  • 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
  • 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.
  • Ability to collaborate in team environments
  • Ability to demonstrate a record of hands-on and design for excellence philosophy.
  • Proficient with Microsoft Office Suite and CAD 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 09-15-2026 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.

$65,600.00 USD - $90,200.00 USD Annual

Job Category

Design, Process & Technology Engineering

Is Sponsorship Available?

No

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 [email protected] 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).
Ready to apply to Flex?
Apply to Flex

How this Mechanical Engineer salary compares

This role pays $90,200/yrbelow the typical range for Mechanical Engineer roles.

$88,793 median $134,100 $188,725

Typical range $109,209–$162,500/yr, from 1,442 comparable Mechanical Engineer listings on JobsRadar (pay annualized to USD). See Mechanical Engineer salary insights →

About Flex

Through the collective strength of ~150,000 team members across 30 countries and responsible, sustainable operations, 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 with Flex offers the opportunity to make a difference, invest in your growth, and build great products for our customers that improve people’s lives. Together, let’s create the extraordinary!

See all jobs at Flex →

Similar jobs

Redwood Materials
Senior Mechanical Engineer, Production
Redwood Materials
⚡ Apply early McCarran, NV Onsite
● New 👁 Seen ✓ Applied 1h ago
Plaud
Staff Mechanical Engineer - San Francisco
Plaud
⚡ Apply early San Francisco, CA Hybrid $170,000–$290,000
● New 👁 Seen ✓ Applied 4h ago
Redwood Materials
Staff Mechanical Design Engineer, EPC 
Redwood Materials
⚡ Apply early Carson City, NV Onsite
● New 👁 Seen ✓ Applied 6h ago
Redwood Materials
Staff Mechanical Design Engineer, EPC 
Redwood Materials
⚡ Apply early San Francisco, California, Uni... Onsite $187,500–$247,500
● New 👁 Seen ✓ Applied 6h ago
Sunday Robotics
Mechanical Engineer
Sunday Robotics
⚡ Apply early Redwood City, CA Onsite $150,000–$300,000
● New 👁 Seen ✓ Applied 8h ago
Antares
Senior Thermo-Mechanical Engineer
Antares
⚡ Apply early Los Angeles Onsite $115,000–$185,000
● New 👁 Seen ✓ Applied 8h ago
VE
Sr. Opto-Mechanical Engineer
Velo3d
⚡ Apply early Fremont, CA Onsite $145,000–$170,000
● New 👁 Seen ✓ Applied 11h ago
General Matter
Mechanical Engineer, Optomechanical Systems
General Matter
⚡ Apply early Los Angeles, CA Onsite $140,000–$220,000
● New 👁 Seen ✓ Applied 11h ago
General Matter
Mechanical Engineer (New Grad)
General Matter
⚡ Apply early Los Angeles, CA Onsite $96,000–$106,000
● New 👁 Seen ✓ Applied 11h ago

Sign up for suggestions tailored to the jobs you open and the searches you save.

More jobs at Flex

See all jobs at Flex →

Apply now
🤖

Whoa — hold up

JobsRadar was built for real people having a rough time in their job search — not for automated requests. You're clicking way too fast and you're now temporarily blocked.

Come back later. If you're genuinely job hunting, we've got your back — just act like a human.

Catch your next role the second it’s posted.

Create a free account and we’ll watch the boards for you — the instant a job matches your search, it lands in your inbox or Telegram. No digging, no refreshing.

Create free account

Free forever · takes 30 seconds · already have one?

Get an edge on your job hunt.

Join our Telegram channel for the stuff that helps you land the role — salary benchmarks, the weekly market pulse, and new-feature drops. No spam, just signal.

Join the channel — it's free