Optical engineer Jobs in Dortmund

Your mission

• Develop and optimize optical assembly and packaging processes for photonic semiconductor devices
• Take technical ownership of assembly equipment, tooling and related measurement processes
• Work hands-on with lensed fibers, collimators, FAC and SAC lenses and other optical components
• Develop and implement advanced optical coupling and thermal management concepts
• Optimize bonding processes, including epoxy and eutectic bonding
• Apply structured experimentation and statistical process control (SPC) to improve process capability, quality and yield
• Transfer new processes and technologies from development into stable production
• Analyze technical failures, troubleshoot complex process and equipment issues and implement sustainable solutions
• Collaborate closely with Production, R&D, Quality and other engineering teams
• Prepare technical and process documentation, including development plans, engineering reports, SOPs and work instructions
• Train and support production teams on new equipment and processes
• Support engineering changes, deviation processes and continuous improvement initiatives
• Ensure compliance with applicable EHS requirements and company standards

Your profile

• Bachelor's or Master's degree in Photonics, Optical Engineering, Applied Physics, Electrical Engineering, Microsystems Engineering or a related technical field
• Professional experience in optical or electro-optical packaging, assembly or process engineering
• Hands-on experience with optical alignment, coupling and assembly technologies
• Experience with laser sources, photodetectors and optical components such as lensed fibers, collimators or micro-optics
• Experience with advanced assembly equipment and automated motion or positioning systems
• Strong analytical, troubleshooting and problem-solving skills
• Ability to independently manage technical projects while collaborating effectively with multidisciplinary teams
• Fluent English language skills, both written and spoken

Nice to have

• Experience with semiconductor back-end or photonic device manufacturing
• Experience with wire bonding, die bonding, epoxy bonding or eutectic bonding
• Knowledge of SPC, Design of Experiments (DoE) and statistical data analysis
• Programming experience with Python and/or LabVIEW
• Experience with 3D CAD and technical drawings, preferably SolidWorks
• Experience transferring engineering processes into volume production
• German language skills are an advantage

Why us?

What we offer:

Shape the future of Photonic Semiconductor packaging
Location: Dortmund, Germany | Full-time (40 hours/week) | Permanent

Join Innolume

At Innolume, we develop innovative optoelectronic semiconductor technologies for next-generation communication, sensing and photonic applications. Our expertise ranges from advanced quantum-dot and quantum-well technologies to customized photonic devices tailored to our customers' requirements.

To strengthen our Engineering team, we are looking for an experienced Optical Packaging Engineer (m/f/d) who is passionate about turning advanced photonic technologies into robust, scalable and production-ready solutions.

In this role, you will take ownership of optical assembly and packaging processes – from concept and process development to industrialization and continuous improvement. You will work hands-on with advanced optical components and assembly technologies and collaborate closely with Production, R&D and Quality.

If you enjoy combining photonics, precision engineering and manufacturing and want to see your solutions move from development into real-world production, we would love to meet you.

Ready to make an impact?

Join Innolume and help us develop the software that powers the next generation of photonic semiconductor technologies.
Career starters, graduates, and candidates with initial professional experience are encouraged to apply?
We look forward to receiving your application.
Please send your complete application documents to jolanta.rzesa@innolume.com
Innolume GmbH
Konrad-Adenauer-Allee 11 | 44263 Dortmund
www.innolume.com

About us

Innolume is an internationally operating specialist for GaAs-, InAs- & InP-based laser diodes. As part of our team you will be able to work on innovative projects from all over the world.
Our team of experts is always there to help you learn and hone your skills. We offer plenty of opportunities and room for personal and professional development.
We want to work in a motivating, social environment - which is why we take great care to provide it. A familial work culture and frequent team events are central to this.
Whether you are new to the field or an experienced employee: We are always searching for new talents to train and integrate into our team of experts. We offer full time positions as well as various internships.