Reliability Engineer, Semiconductors & Optoelectronics

II-VI UK, Ltd.; Sherman (TX); On-site; USD 90,000 - 120,000; Full time

Job summary

Coherent Corp. in Sherman, TX is seeking a Reliability Engineer to develop and execute qualification plans for new products and technologies. You will design and oversee reliability testing including burn-in, life tests, HTOL, TC, thermal shock, damp heat, HAST, and interpret results.

You'll analyze accelerated stress data, drive root-cause investigations, and author reports. Collaboration across teams and clear technical communication are essential.

Qualifications

• 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.

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, Python, 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.

Skills

Reliability analysis

Life testing

DOE

Statistical analysis

Semiconductor physics

Test development

Education

Bachelor's or Master's degree in Physics/Engineering/Materials Science

Tools

JMP

Excel

Python

SQL

Job description

Coherent Corp. in Sherman, TX is seeking a Reliability Engineer to develop and execute qualification plans for new products and technologies. You will design and oversee reliability testing including burn-in, life tests, HTOL, TC, thermal shock, damp heat, HAST, and interpret results.

You'll analyze accelerated stress data, drive root-cause investigations, and author reports. Collaboration across teams and clear technical communication are essential.