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Entry Level Mechanical Engineer Startup Jobs in California

Salas O'Brien

Entry-level Mechanical Designer

San Jose, CA · On-site

$75K - $85K/yr

Entry Level Mechanical Designer At Salas O'Brien we tell our clients that we're engineered for impact. This passion for making a difference applies just as much to our team as it does to our projects.

Nidec Corporation

Mechanical Engineer

Rancho Cordova, CA · On-site

$68K - $72K/yr

Job Summary The Mechanical Engineer I is an entry-level engineering role responsible for supporting the design, development, analysis, and implementation of mechanical systems, components, or ...

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 ...

Sunday Inc

Mechanical Engineer

Redwood City, CA · On-site

Strong collaboration skills and comfort working in fast-paced startup environments * Bachelor's degree in Mechanical Engineering or related field (Master's a plus, but not required) At Sunday ...

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All JobsMechanical Engineer Startup JobsEntry Level Mechanical Engineer Startup JobsEntry Level Mechanical Engineer Startup Jobs in California

Entry Level Mechanical Engineer Startup information

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.

Do startups hire entry level mechanical engineers?

Yes, many startups hire entry-level mechanical engineers to support product development, prototyping, and manufacturing processes. These roles often require basic knowledge of CAD software, engineering principles, and sometimes hands-on experience with tools or rapid prototyping methods.
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:
What are popular job titles related to Entry Level Mechanical Engineer Startup jobs in California? For Entry Level Mechanical Engineer Startup jobs in California, the most frequently searched job titles are:
What job categories do people searching Entry Level Mechanical Engineer Startup jobs in California look for? The top searched job categories for Entry Level Mechanical Engineer Startup jobs in California are:
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 August 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution.

Entry-level Mechanical Designer

Salas O'Brien

San Jose, CA • On-site

$75K - $85K/yr

Full-time

Medical, Dental, Vision, Retirement, PTO

Re-posted 8 days ago

Salas O'Brien rating

8.2

Company rating: 8.2 out of 10

Based on 13 frontline employees who took The Breakroom Quiz

154th of 443 rated engineering

Job description

Entry Level Mechanical Designer
At Salas O'Brien we tell our clients that we're engineered for impact. This passion for making a difference applies just as much to our team as it does to our projects. That's why we're committed to living our values every day: inspiring, achieving, and connecting as shared owners of our success with a focus on a sustainable future.
Building for the long-term means that all of our team members can expect to work on amazing projects with a people-first approach to problem solving. It also means that each member of our team has truly limitless potential to build a unique, meaningful, and high-impact career-and they'll receive great total rewards along the way.
About Us:
Founded in 1975, Salas O'Brien is an employee-owned engineering and professional services firm focused on achieving impact for our clients, our team, and the world. We know that tomorrow's requirements are today's opportunities, and we are here to design lasting solutions for pressing challenges.
We work across a variety of industries providing integrated engineering and consulting services. Our specialized experience includes design for data centers, healthcare, science and technology, high-rise buildings, clean energy, education, and other building types as well as structural and building sciences, infrastructure asset management, advanced robotics, and more.
Our technical expertise is paired with an exceptional team of business development, human resources, finance and accounting, information technology, and marketing professionals, all of whom play a key role in bringing our commitments to life every day.
Job Summary:
We are seeking a highly motivated and detail-oriented Entry-level Mechanical Designer to join our engineering team. The ideal candidate will assist in the design, analysis, and testing of mechanical components and systems, contributing to the development of innovative products and solutions. This role provides an excellent opportunity for professional growth and hands-on experience in a dynamic environment.
Responsibilities:
  • Design and Development:
    • Assist in the design and development of mechanical components, systems, and products
    • Participate in brainstorming sessions and contribute to innovative engineering solutions.
    • Collaborate with cross-functional teams to ensure design requirements are met.
  • Analysis and Testing:
    • Conduct basic engineering calculations and analysis (e.g., heat loads, air flows) to ensure the integrity and performance of designs.
    • Support the troubleshooting and optimization of mechanical systems.
  • Documentation and Reporting:
    • Prepare and maintain detailed engineering documentation, including design specifications, plans, and reports.
    • Assist in the preparation of technical presentations and project status updates.
  • Project Support:
    • Collaborate with senior engineers and project managers to ensure timely completion of project milestones.
    • Provide support in the selection and evaluation of materials, components, and equipment processes.
    • Assist in quality control and assurance processes during production.

Qualifications and Experience:
  • Educational Background:
    • Bachelor's or master's degree in mechanical engineering.
  • Skills:
    • Basic understanding of mechanical engineering principles, including mechanics, thermodynamics, fluid mechanics, and materials science.
    • Experience in AutoCAD and Revit software preferred but not required
    • Strong analytical and problem-solving skills.
    • Excellent communication and teamwork abilities.
    • Willingness to learn and adapt in a fast-paced environment.
  • Experience:
    • Internship or co-op experience in a mechanical engineering role is a plus but not required.

Preferred Qualifications:
  • Familiarity with industry standards and codes (e.g., ASHRAE, IMC).
  • Basic knowledge of HVAC Design.

Location:
Office: San Jose, CA
Travel: 20% to 40% to mainly local client sites.
Compensation & Benefits
The expected base salary range for this role is $75,000 - $85,000 USD per year. Actual compensation will be determined based on a number of factors including skills, experience, qualifications, and location.
This role is also eligible for performance-based bonuses, equity participation, and a comprehensive U.S.-based benefits package, including:
  • Medical, dental, and vision insurance
  • 401(k) with company match
  • Paid time off and company holidays
  • Wellness programs and employee assistance resources
  • Professional development support

Equal Opportunity Employment Statement
Salas O'Brien provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, colour, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state/provincial, or local laws. Salas O'Brien will accommodate the disability-related needs of applicants as required by law.
Third-Party Agency Notice
Salas O'Brien does not accept unsolicited resumes from external recruiters or agencies. We only work with approved partners engaged directly by our Talent Acquisition team for specific searches. Unsolicited submissions will not be eligible for placement fees.
Equal Opportunity Employer/Protected Veterans/Individuals with Disabilities
This employer is required to notify all applicants of their rights pursuant to federal employment laws. For further information, please review the Know Your Rights notice from the Department of Labor.

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