Black Semiconductor GmbH

ALD Lab - Working Student

Aachen, Germany full-time Mid Salary not listed
full-time Mid level Technology & IT Curated
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About the role

Your Role
As an ALD Lab Working Student, you will support the daily operation of our Atomic Layer Deposition (ALD) tool and the relevant metrology tools in the FabONE cleanroom in Aachen.
Working alongside our ALD process engineers, you will prepare samples, perform routine thin-film characterization, and maintain accurate laboratory records. This is a hands-on opportunity to gain practical experience with semiconductor processing, metrology tools, and cleanroom operations while contributing to our ongoing research and development activities.
What You’ll Do
Prepare samples for ALD and characterization runs.

Perform routine thin-film measurements using spectroscopic ellipsometry, Raman spectroscopy, optical microscopy and AFM

Support senior ALD process engineers with setting up tool test runs and recording operational parameters

Handle delicate samples and cleanroom equipment in accordance with established safety and quality procedures

Document characterization results and upload structured metrology data to central repositories

Organize measurement data and prepare clear summaries of film-characterization results

Help establish and maintain an inventory system for chemicals and precursors

What You Bring
Current enrolment in a bachelor’s or master’s program in materials science, physics, chemistry, mechanical engineering, electrical engineering or a related field, ideally in the last year.

A basic understanding of thin-film characterization methods such as ellipsometry, Raman spectroscopy, optical microscopy or AFM

Strong attention to detail and the ability to handle delicate samples accurately

An interest in semiconductor processing and a willingness to learn cleanroom protocols

Basic proficiency in data logging, documentation and data visualization using Excel or Python

Good communication skills in English

The ability to work effectively and reliably within a laboratory team

What We Offer
Hands-on experience with ALD processes, thin-film characterization and semiconductor laboratory operations

Practical training in cleanroom safety, sample preparation and metrology equipment

The opportunity to work with spectroscopic ellipsometry, Raman spectroscopy, optical microscopy and AFM

Close collaboration with experienced ALD process engineers in our FabONE facility in Aachen

The opportunity to contribute directly to the organization and efficiency of an active research and development laboratory

Our work culture
People Over Processes. At Black Semiconductor, flexibility is key—we ensure work adapts to life, not the other way around. We champion work-life harmony, where careers are meaningful and enriching. Our processes are human-centric, allowing you to focus on what matters
Let’s grow together. Your potential is our priority. We provide the autonomy to make a lasting impact and nurture your growth through a culture of continuous learning. We invest in your journey for professional and personal development
Your Health and Future Matter. Your well-being is paramount. We offer a comprehensive benefits package with outstanding insurance, pension and virtual stock options for your mental, physical, and financial health. Your peace of mind is our priority - in the present and future
We Live Openness. Collaboration and inclusivity are the cornerstones of our culture. We practice openness, fostering trust and respect. Individuality is our collective strength, fueling innovation and driving us forward
We connect chips – and people. We encourage qualified individuals from any background to apply. We foster an inclusive and supportive work environment that values collaboration, innovation, and growth. Join our team and be part of an organization dedicated to making a difference in the industry
Can you picture yourself in this Role and our Company? Let’s connect

If your application results in an employment relationship, your Applicant Data will be transferred to our personnel records and processed in accordance with applicable legal requirements; otherwise, your Applicant Data will be retained for up to six (6) months after completion of the recruitment process. Read more about our privacy policy here.
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Interview prep

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Mid
Technology & IT Excel Human Resources Operations Python Writing Mid level

Likely questions

  1. Tell us about work you have done that is close to the ALD Lab - Working Student role.
  2. How would you approach your first 30 days at Black Semiconductor GmbH?
  3. Which of Excel, Human Resources and Operations have you used recently, and what did it help you achieve?
  4. Describe a time you solved a problem without waiting to be told exactly what to do.
  5. How do you handle busy days, changing priorities, or pressure at work?

Prepare before the call

  • A recent example that proves your experience with Excel, Human Resources and Operations.
  • One short story with a problem, your action, and the result.
  • Two examples that show the strengths listed on your CV.
  • A clear reason why this role and company interest you.
  • Your availability, preferred work style, and salary expectations.

Ask them

  • What would success look like in the first 90 days?
  • What are the main problems this hire should help solve?
  • How does the team give feedback and measure good work?
  • What does a normal working week look like for this role?
Practice line

I am interested in the ALD Lab - Working Student role because I can bring practical experience in Excel, Human Resources and Operations, learn the team quickly, and contribute to the outcomes Black Semiconductor GmbH needs from this hire.

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