Data Scientist

COHERENT; Zürich; On-site; CHF 120,000 - 180,000; Full time

Benefits offered by this job

Competitive compensation

Pension plan

Health and wellbeing programs

Learning and development opportunities

Employee recognition programs

Job summary

Coherent, a global leader in photonics, seeks a Data Scientist in Zurich to advance AI across semiconductor manufacturing. You will build and deploy ML models, create predictive analytics, and partner with production and engineering teams to extract measurable impact from data.

The role emphasizes handling complex datasets, real‑time data pipelines, and data governance within a fast‑paced industrial setting. A strong ML/DS background and Swiss work context are required.

Qualifications

• Degree in a technical field and relevant data science experience.
• Production deployment experience with ML models.
• Proficiency with Python for analysis and automation.
• Experience with ML frameworks and data platforms.
• Strong communication and problem‑solving skills.

Responsibilities

• Develop, deploy, and maintain ML and deep learning models for manufacturing.
• Build predictive analytics to improve quality and throughput.
• Collaborate with engineering and production teams to drive impact.
• Design experiments and validate model performance.
• Analyze large production datasets and integrate new data sources.
• Develop scalable batch and real‑time data pipelines.
• Monitor, troubleshoot, and optimize deployed solutions.
• Ensure data governance and data quality across analytics.
• Provide guidance on ML best practices and data engineering.

Skills

Python

SQL

ETL/ELT

Data governance

Analytical skills

Communication

Education

Bachelor's or Master's in Computer Science/Data Science/Physics/Engineering

Tools

TensorFlow

PyTorch

Keras

Scikit-Learn

Databricks

MLflow

Spark

Hadoop

Kafka

Flink

Delta Lake

GitLab CI

Job description

Coherent is a global leader in photonics, developing advanced laser, optical and materials technologies that enable semiconductor manufacturing, AI infrastructure, advanced communications and precision industrial applications worldwide.

Data Scientist

Join our Semiconductor Devices team in Zurich and help transform manufacturing through the power of AI, machine learning, and advanced analytics. In this role, you'll develop production-ready data science solutions that improve product quality, increase manufacturing efficiency, and enable smarter decision-making across our global operations. Working closely with production and engineering teams, you'll solve real-world challenges using machine learning, deep learning, computer vision, and modern data engineering practices.

What You'll Be Doing

• Develop, deploy, and maintain machine learning and deep learning models to solve complex manufacturing and production challenges.
• Build predictive analytics solutions that improve process performance, product quality, yield, and throughput.
• Collaborate with production, process, and product engineering teams to identify opportunities where AI and data science can drive measurable business impact.
• Design and execute experiments to validate models and continuously improve their performance.
• Analyze large and complex datasets from production equipment, manufacturing systems, and operational databases.
• Integrate new data sources from manufacturing equipment, machine logs, and shop-floor systems into the analytics environment.
• Develop and maintain scalable batch and real-time data pipelines across on-premise and cloud platforms.
• Monitor, troubleshoot, and optimize deployed models and data pipelines to ensure reliability and performance.
• Apply data governance and data quality standards to support robust analytics and reporting.
• Provide technical expertise and guidance to colleagues on machine learning, deep learning, and data engineering best practices.

What You'll Bring

Required Qualifications

• Bachelor's or Master's degree in Computer Science, Data Science, Physics, Material Science, Engineering, or a related technical discipline.
• 3+ years of experience in Data Science or a related field, including the deployment of machine learning models in a production environment.
• Strong experience with machine learning and deep learning techniques and frameworks such as TensorFlow, PyTorch, Keras, or Scikit-Learn.
• Proficiency in Python for data analysis, model development, and automation.
• Hands‑on experience with SQL and relational databases.
• Experience building and maintaining ETL/ELT pipelines and supporting data‑intensive production environments.
• Knowledge of data preprocessing, feature engineering, model evaluation, and model lifecycle management.
• Experience with Databricks, MLflow, or similar machine learning platforms.
• Understanding of data modelling, data quality, and data governance principles.
• Strong analytical and problem‑solving skills with a structured, detail‑oriented approach.
• Excellent communication skills and the ability to explain technical concepts to both technical and non‑technical audiences.

Preferred Qualifications

• Experience within semiconductor manufacturing, advanced manufacturing, or another highly automated industrial environment.
• Experience with computer vision, image analysis, or defect detection applications.
• Familiarity with cloud platforms such as AWS or Azure.
• Experience with big data technologies such as Spark, Hadoop, Apache Delta, Kafka, or Flink.
• Knowledge of data lakehouse architectures and modern data platforms.
• Experience with CI/CD pipelines, GitLab CI, or software development best practices.
• Understanding of software development lifecycle (SDLC) principles.
• Familiarity with statistical analysis and data mining techniques.
• German language skills are advantageous.

Why Join Us?

• Work on cutting-edge AI solutions with direct impact on manufacturing performance and product quality.
• Apply machine learning and data engineering to real-world production challenges at scale.
• Collaborate with multidisciplinary teams of engineers, scientists, and manufacturing experts.
• Influence the future of semiconductor manufacturing through innovation, automation, and advanced analytics.
• Join a highly technical environment where your work delivers measurable business outcomes every day.

What We Offer

Our benefits vary by country and role. Depending on your location, your package may include:

• Competitive base salary and annual incentive eligibility
• Employer-supported pension or retirement provision
• Health, wellbeing and employee‑assistance programmes
• Life and income‑protection benefits
• Flexible-working arrangements, where compatible with the role
• Learning and professional‑development opportunities
• Employee recognition and share programmes

Our ICARE Values

Integrity – Create an environment of trust

Collaboration – Innovate through the sharing of ideas

Accountability – Own the process and the outcome

Respect – Recognise the value in everyone

Enthusiasm – Find a sense of purpose in work

Application and Selection

Current employees who wish to apply should submit a cover letter detailing their interest in the position and how their skills and experience align with the requirements of the role.

If you require an adjustment or accessibility accommodation at any stage of the recruitment process, please contact [e-mail]. We are committed to providing an inclusive and accessible recruitment experience and welcome applications from people of all backgrounds.

Join us and help shape the technologies that connect, inform and transform our world.

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!