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Test Engineer

Coherent Corp

On-site
Shenzhen, Guangdong
Full-time
Senior
5+ yrs
Salary not listedPosted 4w ago

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

Job description

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

Test Enginner*3

Location: Shenzhen, Guangdong, China

Test station development and qualification – 30%

  • Design and develop test kits to support the test requirement.
  • Maintain and continually improve existing test stations.
  • Manage capacity requests for production test stations.
  • Create and execute test station validation projects with a formalized report deliverable.
  • Assist R&D and Engineeringteam for experiments and electrical analysis.
  • PR&PO preparation for new equipment and jig.

 

Teststation maintenance and improvement – 40%

  • Work with product teams to debug and analyses test failures.
  • Monitoring and analysis product yield on final test station.
  • Test FMEA regular review and update.
  • Drive on-going cost-reduction capacity ramp up activities.
  • Improve test efficiency by optimizing the hardware and software configuration, layout etc.
  • Annual GRR and calibration for test station.
  • Verification and maintenance for final test and burn in rack.

 

Operations Support – 20%

  • Teamwork with product engineers and quality engineers to resolve quality issues.
  • Work with Operations on capacity expansion capital business case to support volume forecast.
  • Daily, weekly and monthly SPC monitoring and analysis.
  • Test instrument correlation with other stations for power measurement.
  • Trouble shooting on production test related and burn in stations.
  • Work instruction edits and training to production.
  • Engineering change management related to test and burn in process with ECO or waiver.

 

Trainingand documentation – 10%

  • Training for technicians and operators to improve their skill.
  • Support new projects from engineering as required.
  • Complete the outcome documents such as feasibility and execution report for R&D projects include new products, new equipment, new processes etc. 
  • Intellectual property applications.
  • Other added responsibility as assigned by supervisor.

 

Education & Experience

  • Master’s degree in Electronics, Mechanical engineering, Automation or equivalent technical discipline from an accredited college or university.
  • Min. 5 years working experience in complex manufacturing environment (Electronics or laser test experience is preferred).
  • Fiber Bragg Grating or pump laser manufacturing experience are preferred.

 

Skills & Other Requirements

  • Familiarity with the operation of test instrument such as laser source, multi-meters, OSA, power meter, oscilloscope, etc.
  • Good understanding and hands on experience of test methodologies applied to opto-electronics component.
  • Excellent electronics knowledge and experience on electrical analysis.
  • Good understanding of SPC, Gauge R&R, and DOE, FMEA, hands-on experience of trouble shooting for test kits.
  • Ability to easily and successfully work with employees and customers in a multi-cultural, global team environment.
  • Ability to handle multiple priorities and complex issues involving external and internal priorities
  • Excellence communication (verbal and written) skill in English is essential.
  • Excellent interpersonal, communication, and presentation skills.

 

Working Conditions

Working conditions typical of a climate controlled and professional office environment. This role routinely uses standard office equipment such as computers, phones, copiers, filing cabinets, etc.

Physical Requirements

The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. While performing the duties of this job, the employee is regularly required to talk or hear. The employee frequently is required to stand; walk; use hands to finger, handle or feel; and reach with hands and arms

Safety Requirements

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

Quality & 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:

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

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.


About the Organization

高意通讯(深圳)有限公司成立于2013年12月11日,是COHERENT高意众多分支机构中的一员,坐落于深圳福田保税区凤凰道2号,毗邻香港,与美丽的香港米埔自然保护区仅有一河之隔,主要研制、开发光电子和通讯元器件、半导体光学材料、宽带网络通信设备,以及通信软件的开发,并提供相关技术咨询和技术服务,总占地面积7320平方米,拥有超过3000平方米的净化间厂房,超过800名员工。

Coherent Gaoyi Shenzhen was established on December 11, 2013, which is one of the many branches of Coherent, located at No.2 Phoenix Road, Futian Free Trade Zone, Shenzhen. The company is adjacent to Hong Kong and just across the river from the beautiful Mi Po Nature Reserve in Hong Kong. Coherent Shenzhen is specializing in the manufacturing and development of optoelectronics and communication components, optical semiconductor, broadband network equipment as well as communication software development and provide related technical consulting and technical services of it. The company covers 7320 square meters with more than 3,000 square meters cleanroom. There are more than 800 skilled employees.


We are seeking a Test Engineer to join our team at II-VI Photonics (Shenzhen) Co., Ltd. in the 52100208 Engineer/980pump department. The successful candidate will play a crucial role in designing and developing test solutions, ensuring quality, and supporting production.

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Frequently asked questions

What skills are required for Test Engineer at Coherent Corp?

The required skills for Test Engineer at Coherent Corp include: English.

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

Test Engineer at Coherent Corp is a Senior level position.

How do I apply for Test Engineer at Coherent Corp?

You can view the full description and apply for Test Engineer at Coherent Corp on EchoJobs: https://echojobs.io/job/coherent-corp-test-enginner-3-q1aap.