Reliability Engineer

Posted 12 Days Ago
Be an Early Applicant
Sherman, TX, USA
In-Office
Mid level
Industrial • Manufacturing
The Role
Develop and execute qualification plans and reliability tests (HTOL, HAST, burn-in, TC, damp heat). Analyze accelerated stress data and lifetime models, coordinate failure analysis, develop electrical/optical test methods for photodiodes and lasers, drive corrective actions, author qualification reports, and present results to management and customers. Support cleanroom and 24/7 manufacturing activities and improve test capability and measurement reproducibility.
Summary Generated by Built In

Primary Duties & Responsibilities

  • Develop and execute qualification plans for new products and technologies

  • Design and oversee reliability testing including burn-in, life test, HTOL, TC, thermal shock, damp heat, HAST

  • Provide instructions and technical guidance to technicians and operators performing reliability stresses and tests

  • Analyze accelerated stress data to determine acceleration factors, lifetime projections, FIT, reliability confidence intervals

  • Perform statistical analysis using JMP, Excel, SQL, or similar tools to identify reliability trends and degradation mechanisms

  • Determine samples requiring physical failure analysis and coordinate FA activities

  • Interpret results from SEM, FIB, EDX, cross-section analysis, material analysis, and related techniques

  • Drive corrective actions and reliability improvements through root-cause investigations

  • Develop, validate, and optimize electrical and optical test methodologies for photodiodes and laser devices

  • Improve test capability, measurement accuracy, throughput, repeatability, and reproducibility

  • Author Qualification Test Reports (QTRs), reliability assessments, and customer-facing reliability documentation

  • Present reliability test results and recommendations to management, customers, and cross-functional teams

Education & Experience

  • B.S. or M.S. in Physics, Engineering, Materials Science, Statistics, Applied Mathematics, or related technical discipline
  • 3+ years of experience in semiconductor reliability, optoelectronic device engineering, product engineering, test engineering, or related fields
  • Experience working with semiconductor optoelectronic devices or optical communication components
  • Experience planning, executing, and analyzing engineering experiments

Skills

  • Reliability analysis and lifetime modeling
  • Statistical analysis using JMP, Excel, Python, or equivalent tools
  • Design of Experiments (DOE)
  • SQL and data analysis tools
  • Strong understanding of III-V semiconductor device physics
  • Knowledge of laser and photodiode operation, performance characterization, and degradation mechanisms
  • Optical and electrical test development for photodiodes and laser devices
  • Reliability and qualification standards for semiconductor and optoelectronic products
  • Ability to manage multiple projects simultaneously and meet aggressive deadlines
  • Strong technical communication skills, both written and verbal
  • Excellent problem-solving and root-cause investigation skills
  • Effective collaboration within cross-functional engineering teams

Working Conditions

  • Ability to work in a semiconductor cleanroom environment
  • Support qualification and production activities in a 24/7 manufacturing environment

Physical Requirements

  • Work in a Class 100/1000 cleanroom environment for extended periods
  • Wear full cleanroom attire
  • Stand and sit for extended periods as required
  • Handle test hardware and measurement equipment

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.:

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.


 

If you need assistance or an accommodation due to a disability, you may contact us at [email protected].


About UsCoherent 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.


Skills Required

  • B.S. or M.S. in Physics, Engineering, Materials Science, Statistics, Applied Mathematics, or related technical discipline
  • 3+ years of experience in semiconductor reliability, optoelectronic device engineering, product engineering, test engineering, or related fields
  • Experience working with semiconductor optoelectronic devices or optical communication components
  • Experience planning, executing, and analyzing engineering experiments
  • Reliability analysis and lifetime modeling (FIT, acceleration factors, confidence intervals)
  • Statistical analysis using JMP, Excel, Python, or equivalent tools
  • Design of Experiments (DOE)
  • SQL and data analysis tools
  • Strong understanding of III-V semiconductor device physics
  • Knowledge of laser and photodiode operation, performance characterization, and degradation mechanisms
  • Optical and electrical test development for photodiodes and laser devices
  • Familiarity with reliability and qualification standards for semiconductor and optoelectronic products
  • Experience interpreting SEM, FIB, EDX, cross-section and material analysis results
  • Ability to determine samples for physical failure analysis and coordinate FA activities
  • Ability to author Qualification Test Reports, reliability assessments, and customer-facing documentation
  • Strong technical communication skills, written and verbal
  • Excellent problem-solving and root-cause investigation skills
  • Ability to manage multiple projects simultaneously and meet aggressive deadlines
  • Ability to work in a semiconductor cleanroom (Class 100/1000) and support 24/7 manufacturing

Coherent Corp. Compensation & Benefits Highlights

The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Coherent Corp. and has not been reviewed or approved by Coherent Corp..

  • Healthcare Strength Healthcare Strength: Health coverage includes multiple national and region-specific options (UHC HDHP/HSA, PPO, EPO; Kaiser in CA; Health Net in OR) plus separate dental (Delta Dental) and vision (VSP), indicating strong breadth and choice. This breadth supports a solid total package in certain roles and locations.
  • Equity Value & Accessibility Equity Value & Accessibility: An Employee Stock Purchase Plan allows buying shares at 85% of market price with contributions up to 10% of pay, expanding ownership access. This feature can materially bolster total rewards even when base pay is mid‑pack.
  • Leave & Time Off Breadth Leave & Time Off Breadth: Paid time off includes 15 vacation days for new hires, 10 paid holidays, and additional paid time during a December shutdown. This structure provides a clear and competitive baseline for time away from work.

Coherent Corp. Insights

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The Company
HQ: Saxonburg, PA
3,569 Employees

What We Do

Coherent empowers market innovators to define the future through breakthrough technologies, from materials to systems. We deliver innovations that resonate with our customers in diversified applications for the industrial, communications, electronics, and instrumentation markets. Headquartered in Saxonburg, Pennsylvania, Coherent has research and development, manufacturing, sales, service, and distribution facilities worldwide. For more information, please visit us at coherent.com.

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