Coherent

Reliability Engineer

Coherent • $95K — $115K *
Sherman, TX 75090In-Person
Manufacturing & Automotive
Less than 5 years of experience
Today
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Job Overview by Ladders

Qualifications

  • B.S. or M.S. in a relevant technical discipline (Physics, Engineering, etc.)
  • 3+ years in semiconductor reliability, optoelectronic device engineering, or related fields
  • Experience with semiconductor optoelectronic devices or optical communication components
  • Proven track record in planning and executing engineering experiments
  • Proficiency in statistical analysis tools like JMP, Excel, or SQL.

Responsibilities

  • Develop and execute qualification plans for new products and technologies
  • Design and supervise reliability testing protocols
  • Provide technical guidance to technicians in performing reliability tests
  • Analyze stress data to assess reliability metrics
  • Perform statistical analysis to identify reliability trends
  • Coordinate physical failure analysis activities as needed
  • Drive corrective actions through thorough investigations
  • Author reliability documentation and present findings to stakeholders

Benefits

  • Opportunity for professional development and training
  • Collaborative and innovative work environment
  • Exposure to cutting-edge semiconductor technologies
  • Involvement in cross-functional engineering projects
  • Potential for impact on product reliability and quality standards
Full Job Description
Job Description

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.

About Coherent

Coherent, Inc. is a global leader in providing laser-based solutions to a broad range of commercial and scientific research customers. The company designs, manufactures, and markets lasers, laser-based systems, precision optics, and related accessories for a diverse group of customers. Coherent's markets include scientific research, OEM components and instrumentation, microelectronics, materials processing, and life sciences. The company's products are used in a wide range of applications. Coherent was founded in 1966 and is headquartered in Santa Clara, California.
Learn more about Coherent
Size
5,085 employees
Market Cap
$4.6 billion
Industry
Manufacturing & Automotive
Net Income
-$419.7 million
Founded
1966
5 Year Trend
+27.8%
Revenue
$1.2 billion
NASDAQ
COHR
* Ladders Estimates

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