Mechanical Project Engineer Jobs in California

Mechanical Project Engineer jobs in California are among the most active in the country, concentrated in aerospace and defense, semiconductor manufacturing, energy infrastructure, and advanced medical devices across a hiring market that runs from entry-level design roles through senior program leads. The largest hiring metros are Los Angeles, San Jose, and San Diego, where employers such as Northrop Grumman, Applied Materials, and Qualcomm maintain deep engineering headcounts. The most in-demand specialties are thermal systems, electromechanical integration, and capital project delivery for semiconductor fabs and clean-energy facilities. Find a role that fits below and apply directly.

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Overview

Open roles36
Top employerRIMEPRO
Top citySacramento, CA
Cities hiring21
Work type64% Hybrid
Top industryConsulting

Showing 5 of 36+ Mechanical Project Engineer jobs

R
Mechanical Project Manager
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R
Added 4d ago
Mechanical Project Manager
RIMEPRO INC
Bakersfield, California
Business Operations
Program Management
Project & Program Management
Project Management
$95k - $160k/yr

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R
Mechanical Project Manager
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R
Added 4d ago
Mechanical Project Manager
RIMEPRO INC
Costa Mesa, California
Business Operations
Program Management
Project & Program Management
Project Management
$130k - $170k/yr

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Mantis Innovation
Senior Mechanical Project Engineer
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Mantis Innovation
Added 4d ago
Senior Mechanical Project Engineer
Mantis Innovation
Los Angeles, California
Construction Management
Program Management
Project Management
$130k - $150k/yr
Hybrid
Bachelor's degree in engineering
201-500

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n&k Technology
Project Manager – Opto-Mechanical Metrology Systems
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n&k Technology
Added 5d ago
Project Manager – Opto-Mechanical Metrology Systems
n&k Technology
San Jose, California
Business Operations
Compliance & Risk
Project Management
Bachelor's degree in mechanical engineering
11-50

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Design West Engineering
MEP Mechanical Project Manager II
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Design West Engineering
Added 6d ago
MEP Mechanical Project Manager II
Design West Engineering
San Bernardino, California
Customer Service
Customer Support
$90k - $130k/yr
Hybrid
11-50

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See All 36 Mechanical Project Engineer Jobs in California

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Mechanical Project Engineer Jobs by City in California

Where California roles are concentrated, by current openings.

Sacramento
6 jobs
Los Angeles
4 jobs
San Francisco
3 jobs
Anaheim
2 jobs
El Cajon
2 jobs
San Jose
2 jobs
San Diego
2 jobs
Bakersfield
2 jobs
Carson
1 job

Mechanical Project Engineer Job Market in California

A snapshot from current California openings, updated as new roles post.

Who's Hiring

RIMEPRO
RIMEPRO8 open roles
Teter
Teter7 open roles
Affiliated Engineers
Affiliated Engineers7 open roles

Top Industries Hiring

  • Consulting & Professional Services
  • Staffing & Recruiting

What California Employers Look For

The qualifications that appear most often in mechanical project engineer jobs across California.

  • Bachelor's degree in mechanical engineering or closely related engineering discipline required
  • Professional Engineer license from the California Board for Engineers, Land Surveyors, and Geologists preferred for senior roles
  • Three or more years of project engineering or project management experience in a relevant California industry
  • Demonstrated proficiency with SolidWorks, AutoCAD, or equivalent 3D mechanical design software
  • Experience managing project scope, schedules, and budgets from concept through closeout
  • Familiarity with California Title 24 energy codes and applicable ASME or ASTM standards

Mechanical Project Engineer Jobs in California: Frequently Asked Questions

How do you become a mechanical project engineer in California?

Most California employers require a bachelor's degree in mechanical engineering from an ABET-accredited program as the baseline. From there, candidates typically gain two to four years in a design or project coordination role before moving into a dedicated project engineer position. For roles in public infrastructure, utilities, or consulting, a Professional Engineer license issued by the California Board for Engineers, Land Surveyors, and Geologists significantly improves advancement prospects and is often required to stamp drawings or lead permitted projects.

How much do mechanical project engineers make in California?

Mechanical project engineers in California earn a median of about $130,900 a year, based on May 2025 Bureau of Labor Statistics wage data, ranging from around $82,070 for the lowest 10% to over $203,620 for the top 10%. Pay rises with experience, specialty, and employer.

Which companies hire mechanical project engineers in California?

Employers hiring mechanical project engineers in California right now include RIMEPRO, Teter, and Affiliated Engineers, based on current listings on Migrate Mate as of September 2026. California's concentration of aerospace primes, semiconductor equipment makers, and clean-energy developers means demand is spread across multiple high-growth industries rather than tied to any single sector.

Which California cities have the most mechanical project engineer jobs?

Sacramento, Los Angeles, and San Francisco consistently post the most mechanical project engineer openings in California. Los Angeles anchors the aerospace and defense corridor, San Jose sits at the center of semiconductor and cleantech manufacturing, and San Diego draws demand from defense contractors and biomedical device companies, which is why smaller suburban engineering parks around those metros often appear in listings alongside the core cities.

Are there remote mechanical project engineer jobs in California?

Yes, but they're less common than in purely analytical roles because the work regularly involves site visits, lab testing, and hands-on coordination with fabrication teams. About 64% of mechanical project engineer openings tied to California are remote or hybrid as of September 2026, with most of those positions focused on the documentation, scheduling, and vendor management portions of the role rather than the physical design and commissioning stages.

How can I get hired as a mechanical project engineer in California with little or no experience?

The most realistic entry path is landing a mechanical engineer or project coordinator role at a California defense contractor or semiconductor equipment manufacturer that runs structured rotational or new-graduate programs, such as those offered by large Los Angeles and South Bay employers. Building toward an Engineer-in-Training registration through the California Board for Engineers, Land Surveyors, and Geologists signals seriousness to hiring managers. Lateral moves from adjacent roles like manufacturing engineer, test engineer, or facilities engineer are common stepping stones into the project engineering track.

Where can I find and apply to mechanical project engineer jobs in California?

You can find and apply to mechanical project engineer jobs in California on Migrate Mate, which lists current openings tied to California employers. Find roles that fit your background and apply directly to the ones that match.

See All 36 Mechanical Project Engineer Jobs in California

Find roles in California that match your experience and apply in just a few clicks.

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