Coherent Corp logo

Principal Test Engineer

Coherent Corp

On-site
Dong Nai, Vietnam
Full-time
Principal
9+ yrs
Salary not listedPosted 2d ago

Real job — pulled straight from Coherent Corp’s careers page · Verified September 17, 2026 · No reposts.

Job description

Coherent Corp is hiring a Principal Test Engineer — a full-time, based in Dong Nai, Vietnam role. Apply directly on Coherent Corp's careers page below.

Principal Engineer, Test

Location: Dong Nai, Vietnam

Primary Duties & Responsibilities

 

  • 9+ years of relevant testing experience in optical modules, priority given to those familiar with the testing process of optical communication products, Experience in 800G/1.6T optical module testing is preferred
  • Experience in optical module production yield improvement and test process optimization projects, able to independently lead the implementation of improvement projects.
  • Mature fault isolation, problem solving & analytical skills
    Small team management/leadership experience is mandatory, able to lead local test team.
     

Education & Experience

  • Bachelor's degree or above, major in Electronic Information Engineering, Communication Engineering, Optoelectronic Information Science and Engineering, Automation or other related majors

 

Skills

  • Experience in well-developed fault isolation, problem solving & analytical skills.
  • Experience in methodisation and improvement of manufacturing processes.
  • Ability to use English/ Chinese for Business Communication
     

Working Conditions

  • This role is 100% onsite / hybrid / remote

Culture Commitment 

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

Integrity – Create an Environment of Trust

Collaboration – Innovate Through the Sharing of Ideas

Accountability – Own the Process and the Outcome

Respect – Recognize the Value in Everyone

Enthusiasm – Find a Sense of Purpose in Work


 
Coherent Corp. is an equal opportunity/affirmative action employer. All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin, disability, protected Veteran status, age, or any other characteristic protected by law.

About Us

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.


Main job responsibilities include improving production line test yield, optimizing test items, analyzing and improving defective products on the production line, conducting analysis on customer-returned RMA products, verifying new test environments and solutions, cooperating with PE to reduce HPU,leading local test team,support stable mass production delivery.

Get QA Engineer jobs like this→

New roles from thousands of companies land hourly, straight from their careers pages. Get the freshest matches by email so you never miss one.

Email me new jobs
Consort Group logo

System Infrastructure Engineer

Marseille, FR
✓ From careers page· 2h ago
Product Madness logo

Field Quality Engineer

Las Vegas, NV
✓ From careers page· 5h ago
Codekeeper logo

Project Manager (Remote)

Remote
✓ From careers page· 6h ago

Frequently asked questions

What skills are required for Principal Test Engineer at Coherent Corp?

The required skills for Principal Test Engineer at Coherent Corp include: Problem Solving, English, Mandarin.

What is the seniority level for Principal Test Engineer at Coherent Corp?

Principal Test Engineer at Coherent Corp is a Principal level position.

How do I apply for Principal Test Engineer at Coherent Corp?

You can view the full description and apply for Principal Test Engineer at Coherent Corp on EchoJobs: https://echojobs.io/job/coherent-corp-principal-engineer-test-hgvba.