Optical Coating Engineer (f/m/d)

Innolume GmbH; Dortmund; Vor Ort; EUR 70.000 - 95.000; Vollzeit

Benefits dieser Stelle

Parking

Company events

Free beverages and fruit

Gift vouchers

Commuting allowance

Zusammenfassung

Innolume is seeking an experienced optical coatings engineer to Dortmund to develop and optimize thin-film and facet coating processes for optoelectronic devices.

You will own coating equipment, perform metrology with ellipsometry, SEM and profilometry, and collaborate with Production, R&D, Quality and IT to deliver robust production-ready solutions.

Qualifikationen

• Must have hands-on experience in optical thin-film coating and process engineering.
• Solid knowledge of thin-film stacks and AR coating concepts.
• Experience with coating equipment, vacuum systems and metrology tools.
• Fluent English (written and spoken).

Aufgaben

• Develop and optimize optical thin-film and facet coating processes for optoelectronic devices.
• Own facet coating equipment, including maintenance coordination and failure analysis.
• Design and simulate thin-film stacks for AR requirements.
• Measure and characterize thin films using ellipsometry, SEM and profilometry.
• Transfer coating processes from development into production.
• Collaborate with Production, R&D, Quality and IT teams.

Kenntnisse

Optical thin-film coating

Optical coating design

Coating equipment

Ellipsometry

Troubleshooting

English communication

Ausbildung

Bachelor's or Master's in Optics/Physics/Materials Science/Optical Engineering

Tools

Ellipsometry instruments

SEM

Profilometry

Macleod (thin-film design software)

Jobbeschreibung

Your mission

• 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

Your profile

• 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

Why us?

Shape the future of optical coating for Photonic Semiconductor devices

Location: Dortmund, Germany | Full‑time (40 hours/week) | Permanent

Join Innolume

• 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

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.