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Test Engineering Technician

Coherent · Fremont, CA

Apply on Coherent ↗
Level
Engineer
Team
Manufacturing
Degree
Required
Industry
Industrial
Posted
30+ days ago

The role in 30 seconds

An engineer-level manufacturing role at Coherent (industrial) in Fremont, CA. A ccountability – Own the Process and the Outcome.

They ask for
degree required
Tools it names
SPC, EHS / safety

Read from the posting. The full description is below.

From the plant jobs report · week of November 2, 2026

Manufacturing Engineer roles in California: typical posted base $111k–$173k.

Median of the low and high ends of 165 live postings that list pay, out of 443 manufacturing engineer openings in California, read from manufacturers' own careers sites.

California plant jobs report →Pay by team and state →What moves pay →

How this role compares

Against 442 other live manufacturing postings in California.

Base pay
Not listed in this posting

Typical $109k–$159k, from 144 postings that list pay.

Experience asked
Not stated

Similar roles usually ask 5+ years.

Skills these teams ask for most

  • Tooling 50%
  • New product launch 45%
  • Root cause 37%
  • Automation 34%
  • Validation (IQ/OQ/PQ) 26%
  • Machining 26%

✓ = this posting asks for it too. % = share of similar postings that mention it.

Stands out: this posting asks for SPC, EHS / safety, which few similar roles mention. If you have it, lead with it.

At a glance

Promotion path mentioned

Pulled from the posting text. If it's not listed here, the posting didn't say.

How to get in at this plant

Five moves over a week or two. The first one takes ten minutes.

  1. 1

    Pick 2–3 people on the Manufacturing team at Coherent

    We found 3 people at this company and state: 3 leaders. Engineers who joined in the last year or two reply the most. See them ↓

  2. 2

    Send a short, curious note

    One real question about their work. No favors yet. Each person gets a different note, written for this role.

    Write to Jack → (free)
  3. 3

    Turn a reply into a short call

    Questions worth asking about this team:

    • What does a normal week look like on your team?
    • Is the work mostly new product launches or sustaining existing lines?
    • How much time do you spend on the floor versus at a desk?
    • How did you land the job? What stood out in your interviews?
  4. 4

    Apply with someone vouching for you

    If the call went well, ask whether they’d pass your résumé to the hiring manager. Send your résumé link, apply that day, and let them know.

  5. 5

    Bring proof to the interview

    One page of before-and-after numbers from projects you led: scrap, OEE, cycle time, cost. Plant managers hire on results.

This plant: Coherent in Fremont

6 other open roles at this site · 3 people we found in manufacturing roles at Coherent.

Full description from CoherentAs posted on their careers site.Show

Responsibilities

  • ◆Work with test engineers on developing, assembling, qualifying and maintaining new testers for laser and photodiode characterization in mass production environment.
  • ◆Help tester instrumentation and new tester qualification.
  • ◆Collect and organize test data.
  • ◆Assist in creating tester documentation and interacting with operators and other engineers.
  • ◆Support existing testers by performing troubleshooting, creating new product recipes, maintaining spare parts, and performing daily SPC and calibration routines.

This position may require working during weekends or night shifts.

Education & Experience

  • ✓Associate degree in technical discipline, or high school diploma with relevant industrial experience
  • ✓Basic knowledge in electronics and optics, and semiconductor laser testing and instrumentation.
  • ✓Industrial experience in high-volume semiconductor manufacturing is highly desired.
  • ✓Hands-on experience in MS Office, including Word and Excel.

Good communication skills.

Requirements

Able to stand for duration of shift when needed

  • ✓Sitting for extended periods while working on a computer or in meetings.
  • ✓Use of hands and fingers for typing, writing, and handling documents.
  • ✓Occasional lifting of objects or materials up to 20 pounds for administrative tasks.

Ability to communicate verbally and in writing.

Safety

Requirements

All employees are required to follow the site EHS procedures and Coherent Corp. Corporate EHS standards.

Quality and Environmental

Responsibilities

Depending on location, this position may be responsible for the execution and maintenance of the ISO 9000, 9001, 14001 and/or other applicable standards that may apply to the relevant roles and

responsibilities

within the Quality Management System and Environmental Management System.

Culture Commitment

Ensure adherence to company’s values (ICARE) in all aspects of your position at Coherent Corp.:

I ntegrity – Create an Environment of Trust

C ollaboration – Innovate Through the Sharing of Ideas

A ccountability – Own the Process and the Outcome

R espect – Recognize the Value in Everyone

E nthusiasm – Find a Sense of Purpose in Work

Coherent is a global leader in lasers, engineered materials and networking components. We are a vertically integrated manufacturing company that develops innovative products for diversified applications in the industrial, optical communications, military, life sciences, semiconductor equipment, and consumer markets. Coherent provides a comprehensive career development platform within an environment that challenges employees to perform at their best, while rewarding excellence and hard-work through a competitive compensation program. It's an exciting opportunity to work for a company that offers stability, longevity and growth. Come Join Us!

Note to recruiters and employment agencies: We will not pay for unsolicited resumes from recruiters and employment agencies unless we have a signed agreement and have required assistance, in writing, for a specific opening.

Show full description ↓

Skills

  • •Attention to detail
  • •Good at working with small parts
  • •Experience with semi-automated and automated processing tools
  • •Familiarity with Microsoft Excel and Word
  • •Experience in wafer level or die level handling

Excellent communication skills, essential for effective teamwork and cross-disciplinary collaboration.

Working Conditions

  • •This role will be based on-site in Fremont, CA.
  • •Regular use of a computer and other office equipment is necessary.

Candidate to work on-site in a cleanroom environment where strict cleanliness rules will be enforced.

Physical

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