Test Engineer Jobs in San Jose, CA
Test Engineer jobs in San Jose are concentrated in North San Jose, Downtown, and the Alviso corridor, across semiconductor, enterprise software, and networking hardware sectors. Employers hiring right now include TikTok, Muon Space, and Figure. Scan the live roles below and apply to whichever ones fit.
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Ayar Labs is growing rapidly to meet the demand for Optical Interconnects at production scales.
The Product and Test Engineering team at Ayar Labs is hiring a Hardware Engineer to support the development and maturity of the production Test systems. Using schematics, drawings, and direct interaction with our Design and Product teams, this person will develop and bring up the probe cards and circuitry we use to test our next-generation TeraPHY and SuperNova devices.
Key Responsibilities
- Design and develop probe cards and load boards for Production Test based on inputs from Design and Product teams
- Design and develop small circuit boards and related hardware for Characterization Test based on inputs from Product and Test teams
- Work with vendors to source high-quality probe cards, load boards, and other circuitry to support Production and Characterization Test
- Perform bring-up and debugging for Test hardware
- Operate test equipment, and troubleshoot basic issues related to optical instrumentation, electrical components, and software
- Maintain and support test equipment, including installing hardware and software
- Provide hardware technical support to both internal teams and external customers
- Provide lab support for Characterization Test hardware (rework, soldering, and troubleshooting)
Basic Qualifications
- BSEE ,or equivalent, and 1+ year(s) of industry experience designing high-density multi-layer printed circuit boards (PCBs) and multi-layer organic (MLO) probe cards
- Strong knowledge of how to read and use engineering mechanical drawings, schematics, PCB layouts, and Bills of Materials
- Experience using Cadence schematic and PCB layout tools (or similar EDA tools)
- Deep understanding of transmission line theory, impedance control, differential signaling, PAM4/NRZ channels, and RF signals
Preferred Qualifications
- Hands-on experience with Automated Test Equipment instruments, configurations, and hardware integration
- Experience using Python software to automate experiments and analyses
- Knowledge of electro-optical device circuit design, testing, and validation
- Fundamental understanding of semiconductor electronics, optics, and photonics
Principals only. We are not accepting resumes from recruiters for this position. Remuneration for recruiting activities is only applicable subject to a signed and executed agreement between the parties. Please don’t send candidates to Ayar Labs, and do not contact our managers.
Ayar Labs is an Equal Opportunity Employer and is strongly committed to all policies which will afford equal opportunity employment to all qualified persons without regard to age, sex, national origin, race, color, ethnicity, creed, religion, gender identity, sexual orientation, disability, veteran status, or any other characteristic protected by law. It is the policy of Ayar Labs to provide reasonable accommodation when requested by a qualified applicant or employee with a disability, unless such accommodation would cause an undue hardship. Veterans are more than welcome and encouraged to apply.
Ayar Labs is growing rapidly to meet the demand for Optical Interconnects at production scales.
The Product and Test Engineering team at Ayar Labs is hiring a Hardware Engineer to support the development and maturity of the production Test systems. Using schematics, drawings, and direct interaction with our Design and Product teams, this person will develop and bring up the probe cards and circuitry we use to test our next-generation TeraPHY and SuperNova devices.
Key Responsibilities
- Design and develop probe cards and load boards for Production Test based on inputs from Design and Product teams
- Design and develop small circuit boards and related hardware for Characterization Test based on inputs from Product and Test teams
- Work with vendors to source high-quality probe cards, load boards, and other circuitry to support Production and Characterization Test
- Perform bring-up and debugging for Test hardware
- Operate test equipment, and troubleshoot basic issues related to optical instrumentation, electrical components, and software
- Maintain and support test equipment, including installing hardware and software
- Provide hardware technical support to both internal teams and external customers
- Provide lab support for Characterization Test hardware (rework, soldering, and troubleshooting)
Basic Qualifications
- BSEE ,or equivalent, and 1+ year(s) of industry experience designing high-density multi-layer printed circuit boards (PCBs) and multi-layer organic (MLO) probe cards
- Strong knowledge of how to read and use engineering mechanical drawings, schematics, PCB layouts, and Bills of Materials
- Experience using Cadence schematic and PCB layout tools (or similar EDA tools)
- Deep understanding of transmission line theory, impedance control, differential signaling, PAM4/NRZ channels, and RF signals
Preferred Qualifications
- Hands-on experience with Automated Test Equipment instruments, configurations, and hardware integration
- Experience using Python software to automate experiments and analyses
- Knowledge of electro-optical device circuit design, testing, and validation
- Fundamental understanding of semiconductor electronics, optics, and photonics
Principals only. We are not accepting resumes from recruiters for this position. Remuneration for recruiting activities is only applicable subject to a signed and executed agreement between the parties. Please don’t send candidates to Ayar Labs, and do not contact our managers.
Ayar Labs is an Equal Opportunity Employer and is strongly committed to all policies which will afford equal opportunity employment to all qualified persons without regard to age, sex, national origin, race, color, ethnicity, creed, religion, gender identity, sexual orientation, disability, veteran status, or any other characteristic protected by law. It is the policy of Ayar Labs to provide reasonable accommodation when requested by a qualified applicant or employee with a disability, unless such accommodation would cause an undue hardship. Veterans are more than welcome and encouraged to apply.
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Find Test Engineer JobsTest Engineer Job Market in San Jose
Who's Hiring
- TikTok105
- Muon Space75
- Figure45
- archer45
- Astera Labs45
Top Industries Hiring
- Electronics & Hardware165
- Technology & Software150
- Consulting & Professional Services45
- Manufacturing30
- Telecommunications30
Test Engineer Jobs in San Jose: Frequently Asked Questions
How do I get a test engineer job in San Jose?
Start by targeting the sectors that dominate San Jose hiring: semiconductor design, networking hardware, and enterprise software. North San Jose and the downtown core hold the heaviest concentration of test engineering roles, particularly at chip fabrication and communications infrastructure companies. Candidates with hands-on experience in automated test equipment, hardware validation, or JTAG debugging stand out in this market. Familiarity with industry-standard protocols common in silicon and networking products gives a clear competitive edge here.
Which companies hire test engineers in San Jose?
Companies currently hiring test engineers in San Jose include TikTok, Muon Space, and Figure, per current listings on Migrate Mate as of August 2026. San Jose's hiring base skews heavily toward semiconductor manufacturers, networking equipment makers, and enterprise cloud infrastructure firms with large local engineering campuses.
Are there remote test engineer jobs in San Jose?
Yes, though it depends on the role: software and automation-focused test engineers work remotely more often than those doing hardware validation or lab-based testing, which generally requires physical access to equipment. About 20% of test engineer openings tied to San Jose are remote or hybrid as of August 2026. Software QA and test automation roles attached to San Jose's enterprise software employers tend to offer the most location flexibility.
How can I get a test engineer job in San Jose with little or no experience?
The most realistic entry path in San Jose is targeting associate or junior test engineer roles at mid-size networking and semiconductor companies in North San Jose, which tend to have structured onboarding for early-career engineers. Internship programs at San Jose's larger chip and hardware firms also convert to full-time positions at a meaningful rate. A portfolio showing hands-on lab work, scripted test automation, or a capstone project involving hardware validation helps candidates compete against more experienced applicants.
Which industries hire the most test engineers in San Jose?
San Jose test engineer roles concentrate in Electronics & Hardware, Technology & Software, and Consulting & Professional Services, based on current listings on Migrate Mate as of August 2026. San Jose's position as a hub for semiconductor design, enterprise networking, and cloud infrastructure hardware means demand for test engineers here is tightly tied to product development cycles in those capital-intensive sectors.
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