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# Lead Optical Design & Test Engineer - Free Space Optical (FSO) Communication Systems

- **Company:** Cucuyo GmbH
- **Location:** Planegg, Germany
- **Experience:** Expert
- **Salary:** €72,000.0 - €96,000.0
- **Contract:** Permanent contract
- **Skills:** Visual Systems, Zemax, Gaussian
- **Published:** August 7, 2026
- **Apply:** https://de.indeed.com/viewjob?jk=0e255cc6e248e855

## About the Role

* Education: Master's Degree or PhD in Optical Engineering or related fields
 * 7-10 years of experience designing optical systems and practical laboratory validation
 * Strong proficiency in Zemax (sequential & non-sequential) including tolerancing/thermal analysis; familiarity with other tools is a plus
 * Hands-on experience aligning and testing precision optical systems
 * Understanding of Gaussian beam propagation, laser optics, and alignment sensitivity
 * Experience in developing repeatable optical test methods and documentation
 * Ability to work cross-functionally with mechanical, systems, and test engineers
 * Excellent English communication skills

## Description

* Design and optimize optical systems (telescopes, relay optics, Tx/Rx paths, filters) using Zemax OpticStudio
 * Perform optical tolerancing and thermal analysis to ensure manufacturability and alignment robustness
 * Collaborate with opto-mechanical engineers to define interfaces and alignment concepts that maintain optical performance; support the design of opto-mechanics for demanding environmental conditions
 * Develop practical alignment methods, including adjustment strategies, observables, and metrology selectio
 * Design and implement optical test setups to measure beam quality, throughput, pointing accuracy, and wavefront performance.
 * Create structured test procedures and verification processes suitable for qualification and production environments
 * Create specification documents for the procurement of customized optical components. Accompany the procurement process, including the selection of international suppliers and supporting the incoming inspection
 * Analyze system-level optical performance and support link-budget-driven design trades
 * Support integration, troubleshooting, and validation during prototype and environmental testing


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