Mechanical Engineer Jobs in San Jose, CA
Mechanical engineer jobs in San Jose are concentrated in North San Jose, Silicon Valley's semiconductor and hardware corridor, and the Alviso industrial zone, with strong demand from employers across aerospace, semiconductor, and consumer electronics manufacturing. Companies actively hiring include Muon Space, Ecolab, and Bio-Techne. See the openings below and apply to the ones that match your experience.
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By joining Bio-Techne, you’ll join a company with a powerful and positive purpose of enabling cutting-edge research in Life Sciences and Clinical Diagnostics. Bio-Techne, and all of its brands, provides tools for researchers to further treat and prevent disease worldwide.
Pay Range:
Position Summary:
Bio-Techne is seeking a highly motivated and creative Mechanical Engineer to lead projects in the development and support of its portfolio of analytical instruments. This position will report to the Mechanical Engineering Hardware Manager while working with a group of curious, innovative, and supportive engineers and scientists.
This is a unique role, where the scope of contributions will span from early concept feasibility work, new product development, new product introduction, manufacturing & inspection fixtures, to the support of products already in the field.
We are a fast-growing division that supports our employees' career growth and empowers them to pursue their aspirations. We have a culture of respecting and encouraging a healthy work-life balance. We are a company that promotes diversity and belonging. We value working with engineers and scientists from all walks of life.
Performance Objectives and Responsibilities:
- Design and develop analytical instruments and accessories.
- Deliver best in class products by closely collaborating with cross functional teams of scientists and engineers.
- Iterate quickly on prototypes and deliver designs which meet product requirements and ensure compliance with the relevant standards and regulations.
- Apply engineering knowledge to ensure feasibility, reliability, and manufacturability of proposed designs.
- Create engineering documentation, 3D models, 2D drawings, BOMs, and protocols/reports.
- Ensure successful transition to manufacturing by supporting development of manufacturing equipment and processes.
- Engage in and make contributions across the range of projects supported by the San Jose based ME Hardware team including: concept feasibility work, new product development, new product introduction, manufacturing & inspection fixtures, and support of products already in the field.
- Foster a collaborative and innovative team environment.
- Provide and receive constructive feedback with good intent.
- Present technical information and designs to large audiences.
- Contribute to design reviews and system level problem-solving efforts.
- Engage and develop relationships with vendors to ensure the designs are manufacturable, reliable, and meet cost targets. Produce unique and innovative solutions to challenging problems contributing to the company’s portfolio of intellectual property.
Education, Experience, and Skills:
- Bachelor’s or masters degree in Mechanical Engineering is required.
- 3–5 years of experience in hands-on mechanical design is required
- Demonstrated experience personally designing mechanical components, assemblies, mechanisms, fixtures, or products.
- Must have experience using system-level thinking and strong technical skills to efficiently solve complicated problems.
- Proficiency using SolidWorks and PDM, including the ability to create models, assemblies, and detailed drawings, following best design practices and ASME standards.
- Demonstrated knowledge of component manufacturing processes (including rapid prototyping, machining, injection molding, metal injection molding, extrusion, sheet metal, etc.).
- Experience optimizing design for manufacturability and actively involved in transfer to manufacturing; demonstrated good understanding of various manufacturing technologies to achieve cost-effective designs and improvements for existing products
- Experience with the selection of motor, transmissions, and sensors. Excellent communication, interpersonal, and leadership skills.
Preferred:
- Experience in the life sciences instrumentation industry.
- Experience in capillary and/or microfluidic based design.
- Experience with opto-mechanical instrument with optics/detection and fluidics. Experience with automation, manufacturing, and inspection equipment.
Why Join Bio-Techne:
We offer competitive insurance benefits starting on day one: medical, dental, vision, life, short-term disability, long-term disability, pet, and legal and ID shield.
We invest in our employees’ financial futures through 401k plans, an employee stock purchase plan (ESPP), Health Saving Account (HSA), Flexible Spending Account (FSA), and Dependent Care FSA.
We empower our employees develop their careers through mentorship, promotional opportunities, training and development, tuition reimbursement, internship programs, and more.
We offer employee resource groups, volunteer paid time off, employee events, and charity drives to build a culture of caring and belonging.
We offer an accrued leave policy with paid holidays, paid time off, and paid parental leave.
We foster a culture of empowerment and innovation, where employees feel valued and encouraged to bring their new ideas to the table.
Bio-Techne is an E-Verify Employer in the United States.
All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.
To protect the interests of all, Bio-Techne will not accept unsolicited resumes from any source other than a candidate application. Any unsolicited resumes sent to Bio-Techne will be considered Bio-Techne property.
This position requires work authorization that does not now or in the future require sponsorship of a visa for employment authorization in the United States (e.g., H1-B visa, F-1 visa (OPT), TN visa or any other non-immigrant work status). If you require a reasonable accommodation to complete an application, participate in an interview, or take part in any other stage of the recruitment process, please contact hr@bio-techne.com for assistance.
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Who's Hiring
- Muon Space82

- Ecolab41

- Bio-Techne41

- HNTB Corporation41

- WD20

Mechanical Engineer Jobs in San Jose: Frequently Asked Questions
How do I get a mechanical engineer job in San Jose?
Focus your search on North San Jose and the Great Mall corridor, where semiconductor fabrication, hardware R&D, and defense electronics firms cluster. Candidates with hands-on experience in precision manufacturing, thermal management, or product development stand out most in this market. Targeting roles at aerospace suppliers near Mineta Airport or chip equipment companies in Alviso gives you access to the highest volume of local openings.
Which companies hire mechanical engineers in San Jose?
Companies currently hiring mechanical engineers in San Jose include Muon Space, Ecolab, and Bio-Techne, per current listings on Migrate Mate as of November 2026. San Jose's employer mix skews toward semiconductor equipment makers, defense contractors, and consumer hardware firms, with a strong secondary tier of medical device and clean energy companies.
Are there remote mechanical engineer jobs in San Jose?
Yes, though remote work is limited for mechanical engineers since most roles involve lab work, prototyping, or manufacturing floor access. About 45% of mechanical engineer openings tied to San Jose are remote or hybrid as of November 2026, and those roles tend to cover simulation, CAD design, and systems analysis work that does not require physical presence.
How can I get a mechanical engineer job in San Jose with little or no experience?
The most realistic entry path in San Jose is a co-op or internship with one of the semiconductor equipment or defense electronics firms in North San Jose, which routinely convert interns to full-time associates. Entry-level titles like manufacturing engineer, test equipment engineer, or mechanical design associate are the common footholds locally. Familiarity with SolidWorks, ANSYS, or GD&T gives candidates a measurable edge with San Jose's hardware-focused employers.
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