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Engineer Mechanical Engineer Jobs in California (NOW HIRING)

Square Peg Hires

Mechanical Engineer

Valencia, CA · On-site

$95K - $110K/yr

Manager of Mechanical Engineering Mechanical Engineer with an emphasis on automation and industrial controls design. Works with a cross-functional engineering team including electrical, systems ...

AlfaTech

Engineer (Mechanical)

San Jose, CA · On-site

$100K - $130K/yr

Engineer, Mechanical About Us At AlfaTech we believe in more than just engineering solutions; we believe in promoting a culture of agility, collaboration, and inclusion. As a leading consulting ...

Prescient Edge

Engineer Mechanical IV

San Diego, CA · On-site

Job Title Engineer Mechanical IV Location San Diego, CA 22400 US (Primary) Category Research, Development, and Engineering Job Type Full-Time Career Level Staff Education Bachelor's Degree Travel ...

Thales

Staff Engineer - Mechanical

Irvine, CA · On-site

Staff Mechanical Engineer Irvine, CA (Fully Onsite) Position Summary Thales is looking for a Staff Engineer - Mechanical who will serve as a technical leader in the design, development, qualification ...

AlfaTech

Engineer (Mechanical)

San Jose, CA · On-site

Engineer, Mechanical About Us At AlfaTech we believe in more than just engineering solutions; we believe in promoting a culture of agility, collaboration, and inclusion. As a leading consulting ...

AlfaTech

Engineer (Mechanical)

San Jose, CA · Hybrid

Engineer, Mechanical About Us At AlfaTech we believe in more than just engineering solutions; we believe in promoting a culture of agility, collaboration, and inclusion. As a leading consulting ...

Thales

Staff Engineer - Mechanical

Irvine, CA · On-site

Staff Mechanical Engineer Irvine, CA (Fully Onsite) Position Summary Thales is looking for a Staff Engineer - Mechanical who will serve as a technical leader in the design, development, qualification ...

HDR

Mechanical Engineer

Folsom, CA · On-site

We bring together mechanical, electrical, structural, and civil engineering experts to solve complex design challenges with precision, creativity, and collaboration. Whether you're optimizing energy ...

HDR

Mechanical Engineer

Folsom, CA · On-site

We bring together mechanical, electrical, structural, and civil engineering experts to solve complex design challenges with precision, creativity, and collaboration. Whether you're optimizing energy ...

Danaher

Engineer, Mechanical

Vista, CA · On-site

$90K - $110K/yr

The Engineer, Mechanical is responsible for owning design projects for mechanical components or systems with guidance from Senior Engineers, with scope including but not limited to generating design ...

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Showing results 21-40

All JobsEngineer Mechanical Engineer JobsEngineer Mechanical Engineer Jobs in California

Engineer Mechanical Engineer information

What is the difference between Engineer Mechanical Engineer vs Mechanical Design Engineer?

AspectEngineer Mechanical EngineerMechanical Design Engineer
CredentialsBachelor's degree in Mechanical Engineering, Professional Engineer (PE) license (optional)Bachelor's degree in Mechanical Engineering or related field, often with certifications in CAD or design software
Work EnvironmentManufacturing plants, R&D labs, construction sites, officesDesign studios, engineering offices, CAD labs
Industry UsageBroadly used across manufacturing, aerospace, automotive, energyPrimarily in product design, automotive, aerospace, consumer goods

Engineer Mechanical Engineers focus on designing, analyzing, and maintaining mechanical systems, often working across various industries. Mechanical Design Engineers specialize in creating detailed product designs and CAD models. While both roles require a mechanical engineering background, Mechanical Design Engineers concentrate more on the conceptual and detailed design process, whereas Mechanical Engineers may handle broader engineering tasks including analysis and testing.

What kind of jobs does a mechanical engineer have?

A mechanical engineer designs, develops, and tests mechanical devices and systems such as engines, HVAC systems, manufacturing equipment, and robotics. They often work in industries like aerospace, automotive, energy, and manufacturing, using tools like CAD software and applying principles of physics and mathematics. Mechanical engineers may work in offices, labs, or manufacturing plants and often require a bachelor's degree in mechanical engineering or a related field.

What are popular job titles related to Engineer Mechanical Engineer jobs in California?

For Engineer Mechanical Engineer jobs in California, the most frequently searched job titles are:

What job categories do people searching Engineer Mechanical Engineer jobs in California look for?

The top searched job categories for Engineer Mechanical Engineer jobs in California are:

What cities in California are hiring for Engineer Mechanical Engineer jobs?

Cities in California with the most Engineer Mechanical Engineer job openings:

Engineer Mechanical Engineer jobs near you
Infographic showing various Engineer Mechanical Engineer job openings in California as of August 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution.

Battery Pack- Mechanical Engineer

San Jose, CA • On-site

Fruition Group US
See more jobs at Fruition Group USexternal

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This job post has expired 1 day ago. Applications are no longer accepted.

Job description

Battery Pack Engineer – Mechanical


Location: San Francisco, CA


About the role

As a Mechanical Engineer on our battery team, you'll lead the design and analysis of lithium-ion battery packs across the full program lifecycle - concept, prototyping, analysis, modeling, drafting, manufacturing, and test - helping bring our portfolio to market across multiple industries.


What you'll do

  • Lead product design and development for our battery packs
  • Drive program-critical decisions across engineering teams
  • Identify core issues, develop solutions, and communicate impacts internally and externally
  • Create and deliver CAD models and presentations to customers
  • Develop supporting documentation - BOMs, assembly and installation procedures
  • Ensure compliance with standards and battery pack performance requirements
  • Work cross-functionally to verify battery hardware and software meet system needs


What you bring

  • 3+ years of system design for lithium-ion battery packs or related technologies
  • 5+ years of engineering experience in automotive, aerospace, or industrial sectors
  • Experience designing, developing, and testing battery systems for electrified propulsion or stationary storage
  • Strong technical communication and demonstrated leadership, collaboration, and problem-solving
  • Basic understanding of UL or similar certification processes
  • Proficiency in CAD (Catia or Solidworks) and analysis packages (FEMAP, NASTRAN, or equivalent)
  • BS in Mechanical Engineering, Electrical Engineering, Physics, or similar


Export-controlled role: candidates must be a U.S. citizen, permanent resident

Apply