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# Product Support Engineer

- **Company:** Coherent Corp
- **Location:** Lübeck, Germany
- **Contract:** Permanent contract
- **Skills:** Microsoft Excel, Data Analysis, Big Data, Business Systems, Data Structures, Pivot Tables, Power BI, Data Analytics
- **Published:** July 31, 2026
- **Apply:** https://de.indeed.com/viewjob?jk=c0393fb215d0c499

## About the Role

You are an analytical and detail-oriented professional with experience in demand planning, supply chain management or business analytics. You enjoy working with data to improve forecasting accuracy, optimise planning processes and support business decisions., * A commercial or technical qualification, Certified Specialist, Bachelor Professional or equivalent, ideally with a focus on Data Analytics.

 * Experience in Demand Planning, Supply Chain Management, Sales Controlling or Business Analytics.
 * Advanced Microsoft Excel skills, including pivot tables, formulas and data analysis.
 * Experience using ERP systems and business intelligence tools, ideally Power BI.
 * A good understanding of forecasting methodologies, KPIs and planning processes.
 * Strong analytical skills and confidence working with complex datasets.
 * Fluent English (minimum B2) and German (minimum C1).

## Description

We are looking for a Demand Planning & Business Analytics Specialist to support demand planning, forecasting, order coordination and business reporting. Working closely with Product Managers and cross-functional teams, you will help ensure accurate demand forecasting, improve supply chain visibility and support data-driven decision-making across the business.

You will be responsible for:

 * Analysing, consolidating and validating customer demand using historical data and external factors to create reliable demand forecasts.
 * Working with Product Managers to maintain accurate forecasting and demand planning processes.
 * Maintaining forecast, revenue and control files.
 * Monitoring forecast accuracy, analysing forecast error and identifying opportunities for continuous improvement.
 * Identifying demand risks, supply constraints and potential bottlenecks.
 * Tracking delivery performance, analysing plan versus actual variances and monitoring open customer demand.
 * Supporting the coordination and communication of delivery schedules, priorities, pull-ins and push-outs.
 * Preparing standardised updates on delivery status, product availability and schedule changes.
 * Creating, maintaining and enhancing business reports and dashboards, particularly using Power BI.
 * Driving automation of reporting and data analysis to improve efficiency and reduce manual processes.
 * Supporting the harmonisation of data structures, KPIs and business systems.


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