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 coating engineer (f/m/d) who is passionate about optical thin-film technologies and turning advanced coating concepts into robust, production-ready processes.
In this role, you will take technical ownership of facet coating equipment and processes—from thin-film design and process development to characterization, troubleshooting and transfer into stable production. You will work hands-on with coating and measurement systems and collaborate closely with production, R&D, quality, and other engineering teams.
If you enjoy combining optics, materials science and process engineering and want to see your solutions make a tangible impact in photonic semiconductor manufacturing, we would love to meet you.
Aufgaben
Develop and optimize optical thin-film and facet coating processes for optoelectronic semiconductor devices
Take technical ownership of facet coating equipment, including maintenance coordination, measurement processes and failure analysis
Design and simulate thin-film stacks based on anti-reflection (AR) requirements and the optical properties of coating materials
Measure and characterize thin films using ellipsometry, SEM, profilometry and related metrology methods
Develop specialized passivation and thin-film coating concepts for different laser diode facets
Apply structured experimentation and statistical process control (SPC) to improve process capability, quality and yield
Improve coating and stacking processes, including related hardware and software
Transfer new coating 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, IT and other engineering teams
Prepare technical and process documentation, including development plans, engineering reports, SOPs and work instructions
Train and support production teams on assigned equipment and processes
Support engineering changes, deviation processes, quality assurance and continuous improvement initiatives
Ensure compliance with applicable EHS requirements and company standards
Profil
Required
Bachelor's or master's degree in optics, physics, materials science, optical engineering, or a related technical field
Professional hands-on experience in optical thin-film coating and related process engineering
Strong knowledge of optical coating design, thin-film stacks and anti-reflection coating concepts
Experience with coating equipment, vacuum systems and thin-film measurement or characterization tools
Hands-on experience with ellipsometry and other relevant metrology methods
Strong analytical, troubleshooting and problem-solving skills
Ability to independently manage technical projects while collaborating effectively with multidisciplinary teams
Willingness to work closely with production teams and provide hands-on on-site support
Fluent English language skills, both written and spoken
Nice to have
Experience with thin-film design and simulation software, preferably Macleod
Experience with facet coating or passivation processes for laser diodes or other optoelectronic devices
Knowledge of SPC, Design of Experiments (DoE) and statistical data analysis
Experience with SEM, profilometry and advanced thin-film characterization
Experience improving or automating coating and stacking equipment, including related hardware and software
Experience transferring engineering processes into volume production
German language skills are an advantage
Wir bieten
A permanent position in an innovative and international high-tech environment
The opportunity to work at the forefront of photonics and semiconductor technology
Hands-on responsibility for coating technologies and processes from development through industrialization
Challenging projects with a high degree of technical ownership and room to contribute your own ideas
Close collaboration with experienced colleagues across R&D, engineering, quality, and production
Individual internal and external training and professional development opportunities
Flexible working hours in a collaborative working environment
30 days of annual leave
Attractive additional benefits, including company parking, company events, free beverages and fruit
Gift vouchers for special occasions such as birthdays
Additional benefits after successful completion of the probationary period, including commuting allowance, mobility support, meal subsidies and other attractive perks
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