Reliability Engineer — Advanced Thermal Management

Primary Duties & Responsibilities

• Identify applicable standards and test methods, develop reliability qualification plans, coordinate reliability testing, support failure analysis, and prepare customer-ready reliability data packages.
• Lead and manage reliability test planning and execution for semiconductor packaging, liquid cold plates, T800 Thermadite, CVD diamond, thermal spreaders, embedded cooling structures, and related thermal assemblies.
• Identify appropriate industry standards, customer specifications, and qualification methods through technical research, benchmarking, and direct engagement with customers.
• Develop product- and application-specific qualification plans where standard test methods may not fully exist or directly apply.
• Translate customer use conditions, package requirements, liquid cooling requirements, and expected failure mechanisms into reliability test plans and acceptance criteria.
• Support reliability test methods including thermal cycling, thermal shock, high-temperature exposure, humidity, corrosion, pressure cycling, leak testing, coolant compatibility, mechanical fatigue, and bond/interface reliability.
• Cook with internal engineering, quality, operations, customers, suppliers, and external labs on qualification strategy, test methods, sample sizes, success criteria, and reporting format.
• Support failure analysis efforts and translate findings into design recommendations, process controls, corrective actions, and customer-facing conclusions.
• Support customer technical reviews, reliability reporting, qualification readiness reviews, and product scale-up decisions.

  Education & Experience

  • Minimum 5–7 years of experience in reliability engineering, product qualification, semiconductor packaging, electronics cooling, advanced materials, liquid cooling, or related technical fields.
  • BS/MS in Mechanical Engineering, Materials Science, Reliability Engineering, Electrical Engineering, Chemical Engineering, Ceramic Engineering, or equivalent technical degree.
  • Experience with accelerated life testing, failure analysis, customer qualification, new product introduction, and application of industry or customer-specific reliability standards is preferred.
  • Experience with JEDEC, IPC, ASTM, SEMI, MIL-STD, or other applicable reliability and qualification standards is preferred.

  Skills

  • Technical capability to define reliability test plans, identify failure mechanisms, and support qualification of new product platforms.
  • Strong interpersonal, teaming, and problem-solving skills.
  • Work effectively with other members of Coherent Corp. across R&D, engineering, manufacturing, quality, operations, product management, applications engineering, supply chain, and commercial teams.
  • Strong technical judgment in reliability testing, materials behavior, thermal-mechanical stress, liquid cooling assemblies, and package-level qualification.
  • Ability to research standards, assess customer requirements, and create practical qualification plans for new technologies.
  • Ability to communicate technical findings clearly to internal teams, customers, suppliers, and external test labs.

  Working Conditions

  • Office, laboratory, and manufacturing environments.
  • Travel may be required to Coherent sites, suppliers, external labs, and customer locations.

  Physical Requirements

  • Ability to work in office, laboratory, and manufacturing environments.
  • Ability to sit, stand, walk, and use standard office and computer equipment.
  • May occasionally access production areas, laboratories, test equipment, and reliability test setups.

  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

  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!