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Entry Level Mechanical Engineer Startup Jobs in California

Professional Search Group - Orange County

Be Seen First

Mechanical Engineer, Entry Level

Fountain Valley, CA · On-site

$25 - $28/hr

Job Summary Professional Search Group is seeking a motivated and detail-oriented Entry-Level Mechanical Engineer to join our dynamic engineering team. In this role, you will contribute to the design ...

New

GCX

Mechanical Engineer - Entry Level

Petaluma, CA · On-site

$75K - $85K/yr

... Entry-Level Mechanical Engineer to join our engineering team. This role is well suited for early-career engineers who are excited to contribute to product development efforts while building hands-on ...

Flex Ltd.

Mechanical Engineer (Entry Level)

Fontana, CA · On-site

$63.30K - $87.10K/yr

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 ...

Flex

Mechanical Engineer (Entry Level)

Fontana, CA

$63.30K - $87.10K/yr

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 ...

Monarch Quantum

Mechanical Engineer 2

San Diego, CA · On-site

$85K - $125K/yr

This is a dynamic, hands-on role for a self-starter who thrives in a fluid startup environment. You ... A bachelor's degree in mechanical engineering, Physics, or a related field and a minimum of 2 years ...

Monarch Quantum

Mechanical Engineer 2

San Diego, CA · On-site

$85K - $125K/yr

This is a dynamic, hands-on role for a self-starter who thrives in a fluid startup environment. You ... A bachelor's degree in mechanical engineering, Physics, or a related field and a minimum of 2 years ...

Monarch Quantum

Mechanical Engineer 2

San Diego, CA

$85K - $125K/yr

This is a dynamic, hands-on role for a self-starter who thrives in a fluid startup environment. You ... A bachelor's degree in mechanical engineering, Physics, or a related field and a minimum of 2 years ...

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What is the difference between Entry Level Mechanical Engineer Startup vs Entry Level Mechanical Engineer Corporate?

AspectEntry Level Mechanical Engineer StartupEntry Level Mechanical Engineer Corporate
Work EnvironmentFast-paced, dynamic, smaller teamsStructured, larger teams, established processes
ResponsibilitiesBroader scope, hands-on tasks, varied projectsSpecialized tasks, defined roles, routine projects
Workplace CultureFlexible, entrepreneurial, innovativeFormal, process-driven, hierarchical
Required CredentialsBachelor's in Mechanical Engineering, internship experienceBachelor's in Mechanical Engineering, internship experience

In summary, Entry Level Mechanical Engineer Startup roles typically involve a more versatile and fast-paced environment with broader responsibilities, while corporate roles offer structured processes and specialized tasks. Both require similar educational backgrounds and internships, but the work culture and scope differ significantly.

What are the most commonly searched types of Mechanical Engineer Startup jobs in California? The most popular types of Mechanical Engineer Startup jobs in California are:
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What cities in California are hiring for Entry Level Mechanical Engineer Startup jobs? Cities in California with the most Entry Level Mechanical Engineer Startup job openings:
Entry Level Mechanical Engineer Startup jobs near you
Infographic showing various Entry Level Mechanical Engineer Startup job openings in California as of May 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution.
Mechanical Engineer, Entry Level

Mechanical Engineer, Entry Level

Professional Search Group - Orange County

Fountain Valley, CA • On-site

$25 - $28/hr

Full-time

Medical

Posted yesterday

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Job description

Job Summary
Professional Search Group is seeking a motivated and detail-oriented Entry-Level Mechanical Engineer to join our dynamic engineering team. In this role, you will contribute to the design, analysis, and development of mechanical systems and components across various projects. This is an exciting opportunity for recent graduates or those with limited professional experience to build a solid foundation in mechanical engineering principles while working on innovative solutions. You will collaborate with cross-functional teams, utilize industry-standard CAD software, and support manufacturing processes to bring ideas from concept to reality. Your enthusiasm and proactive approach will help drive project success and continuous improvement.

Duties

  • Assist in creating detailed mechanical designs using CAD tools such as SolidWorks and Creo, ensuring accuracy and compliance with project specifications.
  • Support the development of schematics, technical drawings, and system layouts following GD&T (Geometric Dimensioning & Tolerancing) standards.
  • Participate in project scheduling activities to ensure timely completion of design phases and deliverables.
  • Conduct root cause analysis on mechanical issues identified during testing or manufacturing, proposing effective solutions.
  • Collaborate with manufacturing teams to optimize processes, including CNC machining, 3D printing, and assembly procedures.
  • Perform basic finite element analysis (FEA) and simulations using tools like MATLAB, Simulink, or LabVIEW to validate mechanical concepts.
  • Assist in system design activities involving programmable logic controllers (PLCs), Arduino platforms, or other automation components for integrated systems.
  • Contribute to the creation of technical documentation, including schematics, drafting reports, and compliance with ASME codes & standards.
  • Support testing activities by preparing prototypes, conducting measurements, and analyzing data to improve product performance.
  • Engage in continuous learning about quantum engineering applications and advanced manufacturing techniques to enhance project outcomes.

Experience

  • Bachelor’s degree in Mechanical Engineering or a related field from an accredited institution.
  • Familiarity with CAD software such as SolidWorks or Creo is required; experience with drafting and schematics is preferred.
  • Basic understanding of mechanical engineering principles, including mechanics of materials, thermodynamics, and system design.
  • Exposure to manufacturing processes like CNC machining, 3D printing, or assembly is advantageous.
  • Knowledge of programming environments such as MATLAB, C/C++, or LabVIEW for automation and control tasks.
  • Experience with project scheduling tools and root cause analysis methodologies is a plus.
  • Strong problem-solving skills with an energetic mindset eager to learn new technologies like quantum engineering or advanced FEA techniques.
  • Ability to work collaboratively within a team environment while managing multiple tasks efficiently. Join us in shaping innovative solutions that make a difference! This paid entry-level position offers an excellent platform for growth within a forward-thinking organization dedicated to engineering excellence and continuous development.