Your energy for a better future

Be part of the change and help us shape the energy transition

With us, you’re not just working somewhere. You’re getting involved and actively shaping the future. As pioneers in electrification, we develop solutions that really make a difference. What makes us special? Our way of working together: honest, personal, and open to new ideas, all with a good dose of humor. What matters here is what you contribute and how you see things. Together, we create a working environment that inspires and helps make the world a little more sustainable. In short: get involved, contribute your ideas, develop, and have fun! 

Powered by People

Our benefits – because your contribution matters

At CustomCells, you don’t just work with innovative technologies. You develop solutions that have a global impact. We believe in the power of committed people and create an environment that inspires, encourages, and connects. 

Purpose & Development

  • You’ll work on tasks that truly make a difference in the global energy transition. 
  • Your personal development matters to us: with programs tailored to your needs. 

Flexibility & Work-Life Balance

  • Flexible working hours and trust-based working time in office roles 
  • Attractive shift models in production 
  • Option to work remotely 
  • Special leave for important life events such as weddings, relocations, or family occasions 

Health & Wellbeing

  • Subsidy for company fitness to help you stay active 
  • Job bike leasing so you can travel sustainably 
  • Free water, tea & coffee at the workplace 
  • Regular health days and check-ups to support your wellbeing 

Family Friendliness

  • Paid sick days for children 
  • Work models that accommodate family life 
  • Support in finding childcare in Itzehoe 

Financial Benefits

  • Company pension scheme 
  • Variable compensation component 
  • Access to the “Corporate Benefits” platform with exclusive employee discounts 

How to Apply

Want to become part of CustomCells? Just send us your CV and any relevant documents, such as certificates or diplomas. 
You don’t need a traditional cover letter. But if you’d like to tell us more about yourself, we’d love to hear it. 
Apply now and let’s shape the future together! 

Contact

Swantje Mahrt 

Career Paths & Areas of Work at CustomCells

Whether you’re just starting your career, already have experience, or want to gain insights during your studies – at CustomCells, you’ll find many opportunities to contribute your strengths. Help us shape the future of energy and mobility in the area that suits you best. 

Research & Development

As an innovation leader in cell development, we work closely with internal departments and external partners. Our focus is on developing new cell designs, cutting-edge cell technologies, and optimizing electrode formulations through intensive testing procedures. 

Do you have a scientific or technical background, enjoy working in a team, and want to push the boundaries of battery technology? Then we should get to know each other. 

Production

In our production department, everything revolves around coating and cell assembly. Together with Process Engineering, Project Management, and Quality Management, we ensure that everything runs smoothly. Logistics also plays a key role – from goods receipt to shipping. 

Do you have training as a machine operator, industrial mechanic, chemical technician, or warehouse specialist? Great! But career changers with technical understanding and a passion for modern production are also very welcome here. 

Process Engineering

In Process Engineering, we work closely with the production team to ensure everything runs smoothly. We take care of new machinery requirements, plan adjustments, procure equipment, and support the commissioning of new production areas – always with a focus on efficiency and quality. 

Do you have a technical degree in process development or a related scientific field, enjoy working in a team, and are excited about innovative technologies and practical solutions? Then we look forward to meeting you! 

Project Management

In project management related to battery development and production, you’ll work closely with our internal departments and customers. You’ll coordinate international development and production projects and stay closely connected to our products and customer requirements. 

Do you have a scientific or technical degree and enjoy working in diverse teams? Then you’re a great fit for us – and we look forward to your application. 

Quality Management

Quality is at the heart of everything we do – far beyond norms and standards. In Quality Management, we advise departments, standardize internal processes, and drive continuous improvement. We work closely with all areas and foster a strong quality culture through teamwork. 

Do you enjoy structure, process optimization, and working across departments? Then Quality Management at CustomCells is just right for you. 

Administration, Finance & Accounting

In administration, finance, and accounting, we ensure stable processes and clear structures. Our tasks range from commercial processing and report creation to organizing business trips and managing orders. IT solutions for process optimization are also part of our daily routine. 

Do you have a strong understanding of economic contexts, enjoy working in a structured way, and take pleasure in making processes more efficient? Then you’re exactly right for us.

Internships and Bachelor/Master theses

Would you like to gain your first practical experience or write your bachelor’s or master’s thesis in an innovative environment? At CustomCells, you’ll gain exciting insights into areas such as process engineering, project planning, project management, production technology, or technology development. 

Are you studying a technical, scientific, or business-related subject and eager to apply your knowledge in real projects? Then we look forward to your application! 

Sales

In Sales at CustomCells, everything revolves around our customers and the technologies of tomorrow. We advise international partners, develop tailored solutions, and support projects from the initial inquiry through to production. We work closely with development, production, and project management. 

Do you have a technical or business-related degree, enjoy communicating, and think entrepreneurially? Then Sales at CustomCells is your playing field. 

HR & Company Culture

In HR & Company Culture, we shape the workplace of tomorrow. We support applicants and employees throughout all stages of their careers, continuously develop our company culture, and create structures for collaboration, growth, and diversity. We work closely with leaders and teams across all departments. 

Do you have a degree in business or human resources and want to actively contribute to a future-oriented work environment? Then we look forward to your ideas. 

Career Changers

Curious, but not from the industry? No problem. At CustomCells, we value not just résumés, but people who enjoy their work, bring ideas, and want to make a difference. You come from a different field but bring motivation and fresh perspectives? Then you’re exactly right for us. Be bold – we’re excited to welcome you as a career changer! 

Careers at CustomCells

From engineering to manufacturing, software & IT to finance, marketing to sales and beyond, we offer careers with a purpose. Join us in driving the global energy transition for a better future. 
All
Itzehoe
Remote
All
Accounting & Treasury
Advanced Technology
Business Processes & Administration
Business Processes & General Admin
Cell Assembly
Cell Assembly and Calendering
Cell Finishing
Commercialization
Commerzialization
Controlling
Customer Project Management
Design Engineering
Digitalization
Electrode
Finance Controlling
Finance, Controlling & Legal
HR
HR & Company Culture
IT Analytics
Legal & Compliance
Legal, Compliance & Corporate Governance
Maintenance
Manufacturing
Operator P01 - 1
Process Engineering
Procurement
Product Line R02
Production & Manufacturing
Production 1 - P01
Production P01 - 1
Program Management
Project Controlling
Project Planning & Sales
QM/QS Itzehoe
QM/QS Tübingen
Quality Assurance Product Business
Sales & Project Planning
Site Management IZ
Technical Project Management

Location

Itzehoe

CustomCells is headquartered in Itzehoe, right in the heart of Schleswig-Holstein’s #EnergyCoast and within a model region for renewable energy. Just half an hour northwest of Hamburg, the city combines innovative industry with Northern German serenity. Itzehoe is the most important innovation hub in Schleswig-Holstein and plays a key role in the development of sustainable technologies. And in case you're wondering where exactly that is: Itzehoe may sound small, but when it comes to the future, it’s a big deal.

Meet our team

Was unsere Arbeit bei CustomCells besonders macht? Unsere Kolleg:innen sagen es am besten. 

“I am proud to be part of CustomCells, where we do not just talk about change, we engineer it, delivering premium battery technologies that empower progress.”

- Monireh Ghazipour, Test Engineer

“Innovation at CustomCells is not just about pushing boundaries; it is about erasing them. Here, we are building the bridge between today's needs and tomorrow's possibilities.”

- Shuanghui Ma, Quality Engineer

“In my 13-year career, I have never seen such commitment and enthusiasm anywhere as I have at CustomCells. I am excited to contribute to our collective success and future growth.”

– Sergej Warkentin, Data Specialist

Excited About the Future? Then Join the Team!

At CustomCells, we’re looking for people who think ahead, help shape change, and want to develop the battery technologies of tomorrow with us. Whether you’re just starting out, an experienced professional, or a career changer with fresh ideas – we’re excited to hear from you. 

Tell us what drives you, and together we’ll find the best way for you to get started with us. 
Got questions or just want to reach out informally? Feel free to use our contact form – we’ll get back to you! 

Kontakt

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01 Online Application

Start your journey with us by applying online—no cover letter required. Personalize your application in the comment field, attach your resume and documents in any common file format, and ensure you are within the 20 MB limit. Ready to make an impact? Apply now and show us what makes you unique.

02 Review Process

Once you have submitted your application, our team reviews your documents. We appreciate your patience during this process and assure you that we will get back to you as soon as possible with the next steps. Your unique qualities are important to us, and we look forward to assessing how they align with our opportunities.

03 Interview

Join our HR business partner and possibly the department for a personalized interview, either via video call or in-person. Reflect on your strengths, achievements, and passion for the role and industry. Consider your unique fit for the role and our team. This introspection will set the stage for a compelling conversation with us.

04 Contract Offer

If we both agree it is a good fit, expect a contract offer from us. Simple and straightforward.

05 Onboarding

From day one, we have got you covered with a range of offerings to ensure a smooth and comfortable arrival at CustomCells.