Mechanical Engineer Jobs in Diamond Bar, CA

A Mechanical Engineer in the manufacturing engineering industry is responsible for the development and optimization of manufacturing processes and systems. They apply principles of mechanics, thermodynamics, and materials science to design, analyze, manufacture, and maintain mechanical systems. They are involved in various stages of production, from initial product concept and design through to product testing and assembly. They work towards improving manufacturing efficiency, ensuring product quality, and reducing production costs.

Important skills for a Mechanical Engineer include a solid understanding of core engineering concepts, excellent problem-solving abilities, and strong analytical skills. Proficiency in computer-aided design (CAD) software, in-depth knowledge of manufacturing processes, and familiarity with industry-regulated standards are crucial. Relevant certifications such as Professional Engineer (PE) license and Certified Manufacturing Engineer (CMfgE) can enhance career prospects. Prior to becoming a mechanical engineer, one might have roles such as Mechanical Engineering Intern, Mechanical Engineering Technician, or Design Engineer.

1-15 of 76 Jobs

Mechanical Design Engineer II - Seat Complete

  • Irvine, CA (17 miles from Diamond Bar, CA)
  • 4 hours ago
  • Irvine, CA (17 miles from Diamond Bar, CA)
  • 4 hours ago

Develop and manage system, subsystem, and component information through the Enovia PLM to Catia V6 environment Qualifications Bachelors of Science in Mechanical Engineering (Masters degree preferred...

Mechanical Engineer with Medical Device

  • Irvine, CA (17 miles from Diamond Bar, CA)
  • 6 hours ago
  • Irvine, CA (17 miles from Diamond Bar, CA)
  • 6 hours ago

Mechanical Engineer with Medical Device Roles & Responsibilities: Mechanical Engineering Degree. Quality Control exposure. ISO 13485 awareness (not mandatory)....

Rail Vehicle Mechanical Engineer

  • Los Angeles, CA (24 miles from Diamond Bar, CA)
  • 3 days ago
  • Los Angeles, CA (24 miles from Diamond Bar, CA)
  • 3 days ago

Hatch is currently seeking a highly motivated Rail Vehicle Mechanical Engineer to join our North American Infrastructure group in our Vehicle Mechanical Engineering group in our Los Angeles, CA office...

Mechanical Engineer

  • Anaheim, CA (12 miles from Diamond Bar, CA)
  • 3 days ago
  • Anaheim, CA (12 miles from Diamond Bar, CA)
  • 3 days ago

Perform ride element performance analysis: finite element analysis, structural, dynamic, kinematic, hydraulic, and pneumatic analysis and calculations, as appropriate, for any Attraction changes supporting...

Mechanical Design Engineer - CAD/ PLM

  • Los Angeles, CA (24 miles from Diamond Bar, CA)
  • 4 days ago
  • Los Angeles, CA (24 miles from Diamond Bar, CA)
  • 4 days ago

(ON-SITE/OFFICE) MECHANICAL DESIGN ENGINEER - WOODLAND HILLS - SECRET CLEAREANCE AND HIGHER - 14425 Based in our Woodland Hills, CA office, this position will support senior mechanical engineers in...

Staff R&D Mechanical Engineer

  • Irvine, CA (17 miles from Diamond Bar, CA)
  • 4 days ago
  • Irvine, CA (17 miles from Diamond Bar, CA)
  • 4 days ago

Job title Staff R&D Mechanical Engineer Function R&D Product Development Sub function R&D Mechanical Engineering Category Senior Engineer, R&D Mechanical Engineering (ST6) Location Irvine / United States...

Mechanical Engineer, Mechanisms

  • Irvine, CA (17 miles from Diamond Bar, CA)
  • 6 days ago
  • Irvine, CA (17 miles from Diamond Bar, CA)
  • 6 days ago

About Rivian Rivian is on a mission to keep the world adventurous forever. This goes for the emissions-free Electric Adventure Vehicles we build, and the curious, courageous souls we seek to...

Sr Mechanical Design Engineer - RF Components

  • San Dimas, CA (8 miles from Diamond Bar, CA)
  • 8 days ago
  • San Dimas, CA (8 miles from Diamond Bar, CA)
  • 8 days ago

Mechanical Design Engineer - RF Components Job Summary: Our client in San Dimas, CA is looking for a Sr Mechanical Engineer. This is a Direct Hire position....

Fluids/Piping Systems- Mechanical Engineer

  • Costa Mesa, CA (22 miles from Diamond Bar, CA)
  • 9 days ago
  • Costa Mesa, CA (22 miles from Diamond Bar, CA)
  • 9 days ago

Create 3D CAD models, piping layouts, schematics, and detailed fabrication drawings, Solidworks or Siemens NX experience preferred Perform flow analysis, pressure drop calculations, and system optimization...

Mechanical Engineer. Plumbing/Fire Protection

  • Los Angeles, CA (24 miles from Diamond Bar, CA)
  • 9 days ago
  • Los Angeles, CA (24 miles from Diamond Bar, CA)
  • 9 days ago

Qualifications 5 + years HVAC, Mechanical Piping, and Plumbing Design experience required BS in Mechanical Engineering or Architectural Engineering Knowledge of procedures for design and the production...

Mechanical Design Engineer II

  • Irvine, CA (17 miles from Diamond Bar, CA)
  • 10 days ago
  • Irvine, CA (17 miles from Diamond Bar, CA)
  • 10 days ago

Essential Skills Proficiency in Design, Solidworks, Mechanical Engineering, and Mechanical Design. Experience in New Product Development. Mechanical Engineer background....

Mechanical Engineer - HVAC

  • Monrovia, CA (14 miles from Diamond Bar, CA)
  • 11 days ago
  • Monrovia, CA (14 miles from Diamond Bar, CA)
  • 11 days ago

High-profile clients Requirements: Bachelor’s degree in Mechanical Engineering from an A.B.E.T. accredited program. Minimum 5 years related experience....

Mechanical Engineer II

  • Los Angeles, CA (24 miles from Diamond Bar, CA)
  • 12 days ago
  • Los Angeles, CA (24 miles from Diamond Bar, CA)
  • 12 days ago

Mechanical Engineer II Affiliated Engineers, Inc United States, California, Los Angeles Jun 12, 2025 Mechanical Engineer II Job ID 2024-5011 Job Location US-CA-Los Angeles Overview Affiliated Engineers...

Entry Level Mechanical Engineer, Application Via Ripplematch

  • Los Angeles, CA (24 miles from Diamond Bar, CA)
  • 12 days ago
  • Los Angeles, CA (24 miles from Diamond Bar, CA)
  • 12 days ago

Prior internship or co-op experience in a mechanical engineering environment is preferred....

Refining Engineer 1 - Mechanical Engineer - Intern to Full-Time Conversion

  • Los Angeles, CA (24 miles from Diamond Bar, CA)
  • 12 days ago
  • Los Angeles, CA (24 miles from Diamond Bar, CA)
  • 12 days ago

Qualifications: + Required Major: Mechanical Engineering + Education Level: Bachelor's degree + Candidates must be authorized to work in the US on a full-time indefinite basis without the need for employment...

Demographic Data for Diamond Bar, CA

Moving to Diamond Bar, CA? Find some basic demographic data about Diamond Bar, CA below.


Local
National
46,449
1,709
Medium

Mechanical Engineer Online Courses and Training Opportunities

iHireManufacturingEngineers curates thousands of courses in order to recommend the best ones to help further your career. If you register for a course using the links on our site, we may receive a small commission.
Numerical Computation for Mechanical Engineers
This class introduces elementary programming concepts including variable types, data structures, and flow control. After an introduction to linear algebra and probability, it covers numerical...
Mechanical Ventilation for COVID-19
This course will provide licensed medical professionals with an understanding of mechanical ventilation so they can support the critical care team caring for patients receiving mechanical...
Mechanical Engineering Course: HVAC For Mechanical Engineers
This an HVAC specialized course designed specifically for Mechanical Engineers who wish to enhance their knowledge and skills in the field of (HVAC) systems, heating, ventilation, and air...

Salary for Mechanical Engineer Jobs in Diamond Bar, CA

Estimated salary range based on data from US Bureau of Labor Statistics (BLS) and iHireManufacturingEngineers research efforts.

Licensing / Certification

Required or preferred licenses and certifications for Mechanical Engineer positions.



Highest Education Level

Mechanical Engineers in Diamond Bar, CA offer the following education background
Bachelor's Degree
53.6%
Master's Degree
32.5%
Associate's Degree
5.9%
Doctorate Degree
3.3%
Vocational Degree or Certification
2.6%
High School or GED
1.8%
Some College
0.3%
Some High School
0.1%

Average Work Experience
Here's a breakdown of the number of years' experience offered by Mechanical Engineers in Diamond Bar, CA
4-6 years
26.4%
2-4 years
25.9%
6-8 years
17.6%
Less than 1 year
10.4%
1-2 years
7.0%
8-10 years
5.9%
None
4.2%
10+ years
2.6%



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