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Senior Product Engineer

Coherent Corp

Dong Nai, Vietnam
Full-time
Salary not listedPosted 2m ago

Real job — pulled straight from Coherent Corp’s careers page · Verified October 1, 2026 · No reposts.

Job description

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

Senior Engineer, Product

Location: Dong Nai, Vietnam

BASIC FUNCTION OF THE JOB

 

Support production transfer from Wuxi site to Đồng Nai factory. Lead the product maintenance and project management technical supports of high-end optical module, coordinate on product maintenance such as BOM, Work instruction and visual SPEC documentation control, working closely with project leader on improvement o yield, touch time and cost target setting. Coordinate on PMP flow and cost upgrade based on improvement; Yield monitoring and failure analysis. Coordinate test & process engineer to solve major technical and improvement. 

 

ORGANIZATIONAL RELATIONSHIP

 

Item

Description

REPORTS TO:

Sr manager or higher level

JOB REQUIREMENTS

Educational Background

  • Bachelor’s degree or above in Engineering (optoelectronics is primary; optical, electrical, or a related field is acceptable)

Experience

  • 5+ years of experience of product engineering experience (Optical module preferred)
  • Strong understanding of optical module working principles, manufacturing processes, defect analysis, and continuous improvement methodologies (e.g., Six Sigma, Lean). 
  • Proven experience in resolving product issues, leading cross-functional projects and achieving significant process improvements. 

Abilities

 

  • Excellent problem-solving ability
  • Strong project management and communication skills
  • Excellent English communication skills for technical documentation and international collaboration. Chinese communication skill is a plus. 
  • Good communication skills in English. Chinese communication skill is a plus

RESPONSIBILITIES

 

Confidential Information
  • Accesses to Manufacturing System
  • Access to manufacturing methodologies and
    proprietary process information
Contact with:

Relevant departments, etc.

AUTHORIZATION

  • Report quality high risk events to supervisors.
  • Report unsafe behaviors to supervisors.
  • Report to next managing levels when my supervisor does the wrong thing without the correction.
JOB CONDITIONS

Working in the office cleanroom, full-time in manufacturing plants.


DUTIES AND RESPONSIBILITIES:

 

Job Element

Weight

#Performance Satisfactory When/ Specific duties
Product Lifecycle management & MP technical oversight

30%

1

Lead process engineering projects for 800G 2x400G BBLC optical modules in Vietnam, focusing on product transfer first. Then monitoring, optimization, as well as yield improvement.

2

Collaborate with NPI and R&D and cross-functional teams to complete product transfer from pilot production to mass production, ensuring stable mass production and supporting continuous product upgrade as R&D and PLM’s request

Production issue resolution, root cause analysis

20%

1

Collect and analyze product data including yield performance, parameter distribution, SPC and DOE data, and utilize analytical tools to drive insights on complex process issues and drive root cause resolution

2

Conduct in-depth root cause analysis and implement effective corrective/preventive actions to minimize recurrence. Perform failure analysis (FA), including analyzing testing data, visual inspection result and applying external laboratory methods such as SEM, EDM and FIB.

3

Develop cost down plan to continuously reduce the production cost and ensure the output target

Continuous product optimization & feedback integration 

20%

1

Develop and implement product improvement strategies to support the ramp-up. 

2

Drive the adoption of advanced process technologies and methodologies to maintain competitive advantage

Documentation & cross-functional collaboration

10%

1

Establish and maintain product documentation, BOM and Drawings and coordinate with cross-functional teams. Support and coordinate with PLM and QA teams with the lifecycle control.

2

Coordinate with cross-functional teams to resolve cross-departmental technical issues and support continuous improvement

(Work closely with planners, operations, PQE, process and test teams to solve abnormal shipment issues such as manufacturing control systems, equipment, databases, direct materials, indirect materials, or operator performance in mass production)

3

Support material qualification activities together with R&D, QA and process teams.

Supervision, Management and Leadership

15%

1

Lead the product engineering team, including personnel recruitment, performance tracking and capacity improvement.

2

Conduct systematic on-the-job training for new team members.

3

Be responsible for team personnel recruitment and interviews.

Others

5%

1

Assigned tasks by line manager

 

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.


Support production transfer from Wuxi site to Đồng Nai factory. Lead the product maintenance and project management technical supports of high-end optical module, coordinate on product maintenance such as BOM, Work instruction and visual SPEC documentation control, working closely with project leader on improvement o yield, touch time and cost target setting. Coordinate on PMP flow and cost upgrade based on improvement; Yield monitoring and failure analysis. Coordinate test & process engineer to solve major technical and improvement.

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How do I apply for Senior Product Engineer at Coherent Corp?

You can view the full description and apply for Senior Product Engineer at Coherent Corp on EchoJobs: https://echojobs.io/job/coherent-corp-senior-engineer-product-ullm1.