Failure Analysis Engineer

II-VI UK, Ltd.; Järfälla kommun; On-site; SEK 700,000 - 800,000; Full time

Job summary

Coherent Corp in Sweden is seeking a Failure Analysis Engineer to support development and optimization of advanced optoelectronic devices, including lasers, modulators and photodiodes. You will perform functional and physical failure analysis and help design test methods and equipment.

The role requires a Master’s degree (or Bachelor’s with 5 years) and experience in semiconductor or optoelectronic devices, with strong analytical skills, English fluency, and the ability to work independently and

Qualifications

• Master’s or Bachelor’s with 5+ years in optoelectronic or semiconductor devices.
• Experience in failure analysis and device evaluation.
• Skills in test methods and material analysis techniques.
• Strong analytical and problem-solving abilities.
• Fluent English; Swedish language skills are advantageous.

Responsibilities

• Conduct failure analysis of optoelectronic and semiconductor devices.
• Design and improve test setups focused on failure analysis.
• Produce clear technical reports and documentation.
• Collaborate with chip design, wafer fabrication, quality and reliability teams.
• Support product development and manufacturing with findings.

Skills

Failure analysis

Test & measurement

Analytical techniques

Semiconductor fabrication

Communication skills

Independent work

Team collaboration

English proficiency

Education

Master’s degree

Bachelor’s degree + 5 years experience

Tools

Test equipment

Analytical instruments

Semiconductor fabrication tools

Job description

Coherent Corp is the global leader in photonics, designing and manufacturing advanced laser, optical, and materials technologies. Our innovations power semiconductor manufacturing, AI infrastructure, advanced communications, and precision industrial systems worldwide. With a global footprint and cutting-edge manufacturing and R&D, we’re shaping the future of high-tech industries.

In Sweden, our teams operate Sweden’s only full-scale indium phosphide wafer fabrication facility, where we design, manufacture, and test some of the world’s fastest optical chips under one roof, supporting AI infrastructure, data centres, and global communications networks worldwide.

The Role:

We are seeking a Failure Analysis Engineer to support the development, evaluation and optimisation of advanced optoelectronic devices, including semiconductor lasers, modulators and photodiodes.

In this role, you will conduct functional and physical failure analysis, contribute to the design of test methods and equipment, and work closely with multidisciplinary teams across chip design, wafer fabrication, process engineering, quality and reliability.

You will be responsible for:

• Conducting functional and physical failure analysis of optoelectronic and semiconductor devices.
• Supporting product development through detailed device evaluation and technical investigation.
• Designing, building and improving test setups with a particular focus on failure analysis.
• Contributing technical insights throughout the product design and development process.
• Supporting product optimisation during the manufacturing phase.
• Producing clear and accurate technical reports and documentation.
• Identifying and evaluating new techniques, tools and methodologies relevant to failure analysis.
• Working closely with on-site teams across chip design, wafer fabrication, process engineering, quality and reliability.
• Communicating findings clearly and supporting effective root-cause analysis and problem resolution.

About You:

You have a strong technical background in semiconductor or optoelectronic devices and enjoy solving complex technical problems through structured analysis and experimentation.

You will also have:

• A Master’s degree in a relevant technical discipline, or a Bachelor’s degree with at least five years of relevant professional experience.
• Experience in optoelectronic or semiconductor devices, semiconductor fabrication, material analysis or electrical engineering.
• Technical expertise in at least one of the following areas:
  • Test and measurement techniques for semiconductor or optoelectronic devices.
  • Analytical techniques for material analysis.
  • Semiconductor fabrication processes.
• A broad understanding of electronics, solid-state physics, material science or semiconductor devices.
• Fluent written and spoken English.
• Strong analytical and problem-solving skills.
• The ability to take initiative and work independently.
• Good communication and interpersonal skills.
• The ability to collaborate effectively across multiple technical disciplines.

Proficiency in Swedish would be advantageous.

Ensure adherence to the company’s values (ICARE) in all aspects of your position:

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!

Job Info

• Job Identification 2013183
• Posting Date 07/27/2026, 09:12 AM
• Degree Level Bachelor's Degree
• Job Schedule Full time