Product Line Manager/Engineer (f/m/d) – Laser Diodes

GoHiring GmbH; Dortmund; On-site; EUR 50,000 - 65,000; Full time

Benefits offered by this job

Product ownership

Structured onboarding

International team

Flat hierarchies

Flexible hours

30 days leave

Month-7 benefits

Job summary

Innolume in Dortmund is seeking a Product Line Manager/Engineer (f/m/d) to own a laser diode product line. You will manage the lifecycle from qualification and reliability testing to documentation and customer support.

Join a photonics-focused team with global customers and opportunities to influence product data, BOMs, and master data. The role emphasizes ownership, cross-department collaboration, and continuous learning.

Qualifications

• Technical background in photonics.
• Familiarity with semiconductor lasers or related photonic products.
• Experience in product characterization, qualification, reliability testing, or measurement data analysis.
• Confident use of analytical tools to evaluate data.
• Attention to detail and ownership mindset.
• Fluent German and English (written and spoken).

Responsibilities

• Own an assigned product line and understand its materials, components, specifications, performance and applications.
• Plan, coordinate and execute product qualification and reliability testing, evaluating results and preparing qualification reports.
• Analyze measurement and production data to assess performance, investigate deviations and support improvements.
• Coordinate initial release of new materials and products into production.
• Create and maintain technical documentation: specifications, BOMs, BOPs and release records.
• Maintain part numbers and product/material master data with accuracy and traceability.
• Maintain product line information including classifications and variants.
• Coordinate technical product changes across departments with up-to-date documentation.
• Provide technical support for Sales and customers and prepare data analyses.

Skills

Photonics knowledge

Semiconductor lasers

Data analysis

Technical documentation

Independent working

Cross-department coordination

German/English

Tools

MES/ERP systems

Job description

Product Line Manager/Engineer (f/m/d) – Laser Diodes
Take ownership of our laser diodes – from materials to customers

Location: Dortmund, Germany
Employment type: Full-time (40 hours/week)
Salary: EUR 50,000–65,000 gross per year

If you enjoy understanding a product down to the smallest detail and following issues through to resolution, we look forward to getting to know you.

• Ownership of an assigned product line and a detailed understanding of its materials, components, specifications, performance and applications
• Planning, coordination and execution of product qualification and reliability testing, including evaluation of results and preparation of qualification reports
• Analysis of measurement and production data to assess product performance, investigate deviations and support improvements
• Coordination of the initial release of new materials and products into production
• Creation and maintenance of technical product documentation, including specifications, bills of materials (BOMs), bills of process (BOPs) and release records
• Creation and maintenance of part numbers as well as product and material master data, ensuring accuracy, consistency and traceability
• Maintenance of product line information, including material classifications and product variants
• Cross-departmental coordination of technical product changes, ensuring complete and up-to-date documentation and product information
• Gradual takeover of technical support for our Sales team and customers, including clarifying requirements and preparing product data and analyses

Your profile

• Technical background in photonics, gained through education or relevant professional experience
• Familiarity with semiconductor lasers, optoelectronic components or related photonic products
• Experience in product characterisation, qualification, reliability testing or measurement data analysis
• Confident use of appropriate analytical tools to evaluate measurement and production data
• Strong attention to detail and a genuine interest in how every material, component and process step affects the final product
• A strong sense of ownership and the drive to investigate discrepancies thoroughly and follow issues through to resolution
• Careful handling of technical documentation and data
• Independent, systematic working style and effective coordination across departments
• Ability to explain technical findings clearly to colleagues and customers
• Fluent German and English, both written and spoken

Nice to Have

• Experience in product line management, product engineering, qualification or a similar technical role
• Experience with MES/ERP systems

Why us?

For our site in Dortmund, we are looking for a photonics professional to join us as Product Line Manager/Engineer (f/m/d). You will take ownership of your own product line throughout its entire lifecycle – from qualification and reliability testing to technical documentation and customer support.

Innolume was among the first companies to successfully commercialize quantum-dot semiconductor devices. With our two in-house MBE reactors and our expertise in quantum-well and quantum-dot laser technology, we are at the forefront of photonics innovation. As we move towards volume production, this role offers the rare opportunity to understand a high-tech product in every detail and shape it throughout its entire lifecycle.

What We Offer

• Real product ownership with a direct impact on the quality and success of our laser diodes
• A structured onboarding and the opportunity to expand your area of responsibility step by step
• An international, multicultural team with flat hierarchies
• Short decision-making paths and close collaboration across departments
• Individual training and continuous learning opportunities
• Flexible working hours and 30 days of annual leave
• From the 7th month of employment, additional benefits

About us

Innolume is an internationally operating specialist for laser diodes based on InGaAs/GaAs quantum-well and quantum-dot technologies. As part of our team, you will work on innovative projects for customers all over the world.

Our team of experts is always there to help you learn and develop your skills. We offer plenty of opportunities and room for personal and professional growth.

We believe in a motivating and supportive work environment, and we take great care to create one. A family-like work culture and regular team events are central to this.

Whether you are new to the field or an experienced professional: we are always looking for new talent to train and welcome into our team of experts. We offer full-time positions as well as a range of internships.