Engineer Sr, Mfg Product

lumentum· Lumentum International (Thailand) Co. Ltd.
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📍 Thailand - Pathumthani (Navanakorn)Full time

About this role

It's fun to work in a company where people truly BELIEVE in what they're doing!
We're committed to bringing passion and customer focus to the business.

If you like wild growth and working with happy, enthusiastic over-achievers, you'll enjoy your career with us!

Position Summary


We are seeking an experienced Senior Manufacturing Product Engineer to drive product-engineering excellence and manufacturing execution for Cloud products.


This role serves as the Product Engineer for assigned products and partners with Manufacturing, R&D, Process Engineering, Quality, and NPI teams to ensure product designs are manufacturable, scalable, and capable of meeting performance, quality, delivery, and cost objectives throughout the product lifecycle.


Key Responsibilities


Product Engineering

  • Own product definition, technical performance, and manufacturing execution for assigned Cloud products.
  • Serve as the primary technical interface between Manufacturing and R&D for product-related matters.
  • Lead product-level technical analysis, issue resolution, risk assessment, and change implementation.
  • Maintain product performance and manufacturing readiness throughout the product lifecycle.

Product Industrialization & NPI

  • Support product industrialization from development through volume production.
  • Execute product-engineering activities for NPI, product transfer, qualification, and production ramp-up.
  • Ensure the accuracy and readiness of BOMs, drawings, specifications, and product configurations.
  • Support DfX activities, including Design for Manufacturability, Assembly, Test, and Reliability.
  • Coordinate product-documentation release and engineering-change management.

Yield, Quality & Cost Improvement

  • Analyze and improve product yield, performance, quality, and reliability.
  • Lead or support root-cause investigations and corrective actions for manufacturing and field issues.
  • Drive cost-reduction opportunities through product optimization, material evaluation, and engineering changes.
  • Use product and manufacturing data to identify technical risks and improvement opportunities.

Cross-functional & Global Collaboration

  • Collaborate with local and global Manufacturing, R&D, Process Engineering, Quality, and NPI teams.
  • Communicate technical status, risks, priorities, and data-driven recommendations to stakeholders.
  • Drive cross-functional alignment to ensure successful product transfer and manufacturing execution.

Safety, Health & Environmental Responsibilities

  • Comply with all EHS policies, procedures, and standards.
  • Support EHS initiatives and continuous-improvement activities.
  • Promote safe work practices and contribute to a Zero Accident culture.

Qualifications

  • Bachelor’s degree in Electrical, Mechanical, Optical, Manufacturing Engineering, Physics, or a related field; a master’s degree is preferred.
  • At least 6 years of experience in product engineering, manufacturing engineering, or a related role in high-technology manufacturing.
  • Strong experience supporting NPI, product transfer, volume ramp, and sustaining engineering.
  • Solid understanding of product lifecycle management, configuration control, and manufacturing interfaces.
  • Experience in optical, photonic, semiconductor, or electronics manufacturing is strongly preferred.
  • Knowledge of BOM management, engineering changes, product qualification, DfX, and structured problem-solving.
  • Strong analytical, technical problem-solving, and decision-making skills.
  • Effective English communication and ability to work with local and global teams.

Preferred Competencies

  • Product Ownership
  • Technical Leadership
  • Manufacturing and Business Acumen
  • Structured Problem-Solving
  • Data-Driven Decision-Making
  • Cross-functional Collaboration
  • Risk and Change Management
  • Accountability and Results Orientation

Working Conditions

  • Work in office, engineering laboratory, cleanroom, and manufacturing-floor environments.
  • Occasional support outside normal working hours may be required for production, NPI, or global collaboration.

We are an equal opportunity employer and value diversity at our company.

We do not discriminate on the basis of race, religion, color, national origin, sex, gender, gender expression, sexual orientation, age, marital status, veteran status, or disability status.

We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment.

Please contact us to request accommodation.

Frequently Asked Questions

Is the salary disclosed for the Engineer Sr, Mfg Product position at lumentum?
The salary for this Engineer Sr, Mfg Product role at lumentum is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
Where is the Engineer Sr, Mfg Product position at lumentum located?
This Engineer Sr, Mfg Product role at lumentum is based in Thailand - Pathumthani (Navanakorn). The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Is the Engineer Sr, Mfg Product role at lumentum full-time or part-time?
This is listed as a Full time position. It is posted as a Engineer Sr, Mfg Product role in the Lumentum International (Thailand) Co. Ltd. department at lumentum.
Which team or department does the Engineer Sr, Mfg Product at lumentum belong to?
This Engineer Sr, Mfg Product position is part of the Lumentum International (Thailand) Co. Ltd. department at lumentum. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Engineer Sr, Mfg Product position at lumentum?
Click the "Apply Now" button on this page. You will be redirected to lumentum's official application portal hosted on workday where you can submit your application directly.
When was the Engineer Sr, Mfg Product job at lumentum posted?
This Engineer Sr, Mfg Product position at lumentum was posted on Oct 2, 2026. Apply as soon as possible — early applications are often reviewed first.
Engineer Sr, Mfg Product
lumentum
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