Careers at Fresenius Umwelttechnik | Jobs with a Future

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What it means when you work for us

The roots of Fresenius Umwelttechnik GmbH date back to 1848, when Carl Remigius Fresenius founded the Fresenius Chemical Laboratory. Building on this rich history, we responded our own technical solutions for sampling in environmental and contaminated site management as early as 1989 with the development of early to the increasing demands and process gas measurement technology. In 1992, this became the independent Fresenius Umwelttechnik GmbH, which has since successfully developed, produced, and globally distributed innovative measurement systems for emission and immission control, as well as industrial process measurement technology.


From Engineering to Technology – our Mission for the Future

Today, we stand at a turning point: Our strategic goal is to consistently transform ourselves from a classic device manufacturer into a modern high-tech company. We are focusing on smart sensor technology, AI-supported data analysis, cloud-based platform solutions, and pioneering environmental technologies – for a world that should become cleaner, safer, and smarter.


Shape this Transformation with Us!

To shape this ambitious transformation, we are looking for dedicated individuals who want more than just a job – people with ideas, curiosity, and the will to make a difference. Whether in marketing, engineering, or sales: With us, you will not only find a company with history, but above all, a future that you can help shape.

Keep scrolling to get to the job advertisements

Job advertisements

Stand: 26.04.2026

sales_manager_handdrawn
Fresenius Umwelttechnik
Herten
Full-time
Office

Are you about to complete your Bachelor's degree and want more than just a career entry?

Do you want to take on responsibility, develop your strengths in sales, and actively help shape technological change? Then you've come to the right place!

From Engineering to Technology – our Mission for the Future

We are at a turning point: Our goal is to transform an established device manufacturer into a leading high-tech company. With smart sensors, AI-supported data analysis, cloud-based platform solutions, and sustainable environmental technologies, we are building a cleaner, safer, and smarter world.
And you? You can be part of this future.

Your entry point: Junior Sales Manager (m/f/d).

For ambitious talents with technical affinity & sales acumen!

In the role of Junior Sales Manager (m/f/d), you will develop into a key player at the intersection of innovation and market.

What you can expect

  • Direct contact with renowned industrial and medium-sized customers domestically and internationally
  • Active consulting and support – from needs assessment to contract conclusion
  • You will present products, develop offers, and find solutions for complex customer requirements
  • You will learn to combine technical expertise with sales-oriented thinking – data-driven, customer-centric, international

Your profile

  • A completed Bachelor's degree or one nearing completion in engineering, natural sciences, or economics
  • Curiosity, determination, and a desire for real entrepreneurial responsibility
  • Strong communication skills, initiative, and enthusiasm for technology and customer contact
  • Fluent in German and English
  • Initial experience in sales (e.g., through internships, working student positions, or part-time jobs) is a plus

What we offer you

  • Entry with perspective: a direct path to a responsible position
  • Performance counts: attractive salary plus voluntary profit-sharing
  • Company supplementary health insurance
  • Future-proof: we operate in a stable, growing technology market
  • Personal growth: individual training and development opportunities
  • Modern work: hybrid work models, modern tools, and an open corporate culture
  • Team spirit: regular events, flat hierarchies, and true cohesion
  • Benefits: free parking with EV charging points, flexible working hours, and much more.

With us, you can expect entrepreneurial thinking, sustainability, and a true culture of equality. Through active feedback and individual onboarding, you'll be involved from the start and can hit the ground running.

Are you keen to develop with us? Then send us your application via email (please as PDF) to: personal@fresenius-ut.com

We look forward to hearing from you!

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Bachelor
Determination
Strong communication skills
Enthusiasm for technology
German/English
sales_manager_handdrawn
Fresenius Umwelttechnik
Herten
Full-time
Office

We are looking for a dedicated and motivated individual as a
Technical Sales Manager (m/f/d) to actively contribute to our company's growth.

In this role, you will take on responsibility from the outset, developing and overseeing sales activities. Our diverse B2B clientele includes globally renowned industrial companies as well as innovative medium-sized enterprises.

Responsibilities

  • Advising new and existing customers for the German and international market
  • You determine the specific needs and support as a contact person with the required products, services and software
  • With your contribution, you will achieve continuous growth in market share, increase profits and successfully acquire new customers and partners
  • You create offers and conduct product presentations for potential customers

Requirements

  • Experience in sales, combined with a high degree of independence and a sense of responsibility
  • Completed studies in a natural science, engineering or economics program or successful completion of equivalent training
  • You like to be successful and continuously develop yourself further
  • You are open, communicative and find it easy to build & maintain interpersonal relationships
  • You are loyal and committed
  • You are characterized by a quick grasp and enjoy solving complex problems
  • Experience in online sales is an advantage
  • You are business fluent in written and spoken German and English

What we offer you

  • An attractive, competitive salary with a performance-based component
  • A job in a crisis-resistant, growing market
  • innovative modern products
  • A modern working environment
  • Strong team spirit combined with an open and cooperative corporate culture that actively promotes diversity and inclusion
  • Company supplementary health insurance
  • Individual personal and professional development opportunities
  • Free parking spaces with charging stations for electric cars
  • Regular internal events!

We are committed to diversity and equal opportunities: Applications from women and other underrepresented groups are expressly welcome. With equal qualifications, these will be given preferential consideration.

We support flat hierarchies, an active feedback culture, and a cooperative mindset. An intensive integration program helps you to quickly get involved and succeed. We promote professional equality for women and men.

We embody entrepreneurial thinking and action, and have done so for 175 years. Nevertheless, we continue to develop at high speed and are transforming into a digital tech company. We warmly invite you to join us. If you are looking to achieve your professional goals and enjoy succeeding together with others, please send us your compelling application in writing, preferably by email (as a PDF if possible). Please include your salary expectations and possible start date.

Sounds like your next step?
Then we look forward to hearing from you!

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Sales experience
Degree
Technical understanding
Customer appointments online/external
Fluent in German and English
sales_manager_handdrawn
Fresenius Umwelttechnik
Herten
Full-time
Office

We are looking for the earliest possible date

Technical Sales Representative (m/f/d)

Understand technology. Inspire customers. Sell the future.

Do you love technology, enjoy customer contact and want to not only sell, but create real solutions? Then become part of our team and successfully bring innovative technologies to the market.

Your role – interface between technology and the market

As a Technical Sales Representative, you are the central point of contact for our customers. You understand technical requirements, translate them into suitable solutions and support projects from the initial enquiry to successful completion.

Your Responsibilities

  • Advising and supporting new and existing customers in the B2B environment

  • Analysis of technical requirements and development of suitable solution concepts

  • Presentation of our products, systems and services – on site or digitally

  • Creation and follow-up of quotations and contract negotiations

  • Close collaboration with development, production and marketing

  • Market and competitor monitoring to identify new potential

  • Maintenance of customer and project data in CRM systems

Your profile – technology-oriented, communicative, solution-oriented

  • Completed technical or commercial-technical studies or training

  • Experience in technical sales or a comparable position is an advantage

  • Good technical understanding and the ability to explain complex content in an understandable way

  • Confident, professional appearance and strong communication skills

  • Independent, structured and goal-oriented way of working

  • Very good knowledge of German and good knowledge of English, both written and spoken

  • Willingness to travel (depending on region and customer structure)

What we offer you – sales with perspective

  • Attractive, performance-related remuneration with profit sharing

  • Modern work equipment and digital sales tools

  • Company supplementary health insurance

  • Further training and development opportunities in the technical and sales area

  • Flat hierarchies, short decision-making processes and an open corporate culture

  • Flexible working models and home office options

  • Free parking, e-charging stations and good transport connections

  • Regular team events and a motivated environment

Why this position is exciting

Because here you combine technology, consulting and sales – in a company that lives innovation and in which your commitment has a direct influence on the company's success.

Apply now!

If you are interested in helping to shape the sales of tomorrow with technical expertise and enthusiasm for customers, we look forward to receiving your application stating your salary expectations.
Please send online applications as a PDF document by email.

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Sales experience
Technical understanding
Communication
Customer appointments online/external
Fluent in German and English
software_developer_handdrawn
Fresenius Umwelttechnik
Herten
Full-time
Office

Your entry into technical B2B sales – with responsibility & development prospects: Sales Assistant (m/f/d) – Technological Applications & Customer Consulting

Do you have a strong interest in technology, work in a structured manner, and possess strong communication skills – and want to start your career in sales?

Then you've come to the right place! Get started with us and actively shape the future of a modern technology company.

Tasks:

As a Sales Assistant, you will be part of our dynamic sales team and work directly at the interface between technology, market, and customers. You will take on responsibility early on and gradually develop into a key role in technical sales.

Your Responsibilities

  • You will specifically research potential customers for our diverse product groups – e.g., environmental technology, laboratory measurement technology, or industrial process monitoring
  • You will create structured lead lists and identify suitable contacts
  • You will contact interested parties by phone, email, or video – professionally, amiably, and goal-oriented
  • You will advise (after intensive training) on the application possibilities of our technologies
  • You will support existing customers, clarify technical questions, and assist them with suitable products, services, and software
  • You will actively strengthen our market position, expand customer relationships, and assist in acquiring new customers
  • You will assist in preparing offers, participate in presentations, and ensure a convincing external representation
  • You will be the link to the technology department and ensure an excellent customer experience

Your profile

  • Completed degree (or in the final phase) in a business, natural science, or engineering discipline, or completed apprenticeship (e.g., industrial clerk)
  • Initial practical experience in sales or customer-related roles is an advantage
  • You are structured, curious, and enjoy working in a solution-oriented manner
  • You enjoy customer contact, present yourself confidently, and possess strong communication skills
  • Very good German and English language skills, both written and spoken
  • Proficient in MS Office, especially PowerPoint & Excel

What we offer

  • A secure job in a successful, future-oriented company
  • Modern equipment, digital work, and flexible structures
  • Company supplementary health insurance
  • Appreciative collaboration, flat hierarchies, and room for your ideas
  • Diverse development opportunities – professionally and personally
  • A quiet location with good transport links, plenty of green space & free parking
  • Extras like good coffee, healthy snacks, team events, and a team that sticks together

Sounds like your dream job?

Then we look forward to your application! Tell us how you will elevate our marketing to the next level with creativity, enthusiasm for technology, and an innovative spirit.
We look forward to receiving your compelling application, stating your salary expectations. Please send online applications as a PDF document via email.

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Degree
Outgoing
Structured
German/English
Office
Zwei junge Erwachsene nutzen gemeinsam einen Computer, während sie auf den Bildschirm schauen und tippen.
Fresenius Umwelttechnik
Herten
Full-time / Part-time
Office

Marketing Assistant (m/f/d)

Your contribution to success – structured, digital, responsible

Are you structured, tech-savvy, and would like to ensure that everything runs smoothly behind the scenes?
Then you've come to the right place! We are looking for a motivated individual for our team who optimizes processes with modern tools and actively supports our company.

Your role

In the back office, you keep the daily business running, support the marketing team, and use modern tools to make processes more efficient.

Your Responsibilities:

  • Your Responsibilities

As a Marketing Assistant (m/f/d), you are responsible for the operative, administrative, and organizational marketing tasks. Your focus:

Content Management & Uploads

  • Maintenance and updating of content on websites, landing pages, social media, and intranets
  • Uploading of image, text, and video material
  • Ensuring content quality and format standards

Data & Print Data Maintenance

  • Preparation of print data, coordination with service providers
  • Control of print templates and data exports
  • Management and structuring of assets, templates, and files

Operational support of marketing

  • General administrative tasks and office work
  • Collaboration in campaign rollouts and performance documentation
  • Coordination with internal teams (e.g., sales, product management) and external agencies

Reporting & System Maintenance

  • Support with data maintenance in CRM, CMS, DAM, or PIM systems
  • Creation of simple reports on content performance

Optional: Support with classic marketing tasks such as newsletter distribution, event organization, or market research.

Your Profile

✔ Completed commercial training or comparable qualification (e.g., marketing, media, or online studies)
✔ Experience with digital tools (e.g., CMS, Adobe/Design tools, MS Office)
✔ Structured, reliable, and independent work
✔ High quality and sense of responsibility
✔ Teamwork and good communication skills

Nice-to-have: Basic knowledge of web analytics, SEO/content strategy, layout/design, AI tools (image, video, text)

We offer you

  • Innovative working environment: Modern tools and digital workflows
  • Attractive remuneration and performance-related additional benefits
  • Company supplementary health insurance for your health
  • Flexibility: Full-time or part-time, flexible working time models
  • Development: Further training and promotion opportunities in office management
  • Location advantages: Free parking with e-charging stations, good transport connections
  • Team culture: Open communication, flat hierarchies, and regular events

Why you are a good fit for us

You are detail-oriented, tech-savvy, and keep track of things even in stressful situations. With us, you can contribute your strengths in the back office and develop yourself in a dynamic company.

Then we look forward to receiving your meaningful application, stating your salary expectations. Please send online applications as a PDF document by email.

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Image editing
AI
Email Marketing
Creative Cloud
Analytics
Zwei Jugendliche mit Schutzbrillen arbeiten an einem Schaltkreis, einer schneidet Kabel, der andere hält die Platine.
Fresenius Umwelttechnik
Herten
Full-time
Office

We are looking for an external customer service representative for our Herten location, to start as soon as possible.

Your Responsibilities

  • Maintenance, servicing, and repair of our gas measurement systems in the field
  • Analysis and troubleshooting of error sources in gas measurement systems in the field
  • Technical phone support for technical inquiries
  • Documentation of work performed (software-supported)
  • External service and commissioning assignments
  • Service training for customers and service partners
  • Proficient use of standard software such as MS-Office
  • Furthermore, proficient use of our in-house device software for
  • reading out and analyzing data (part of the onboarding process)

Your Profile

  • You have completed technical training as an electronics technician or mechatronics technician, or an equivalent qualification
  • Ideally, you have already gained experience in a comparable position
  • Proficient German language skills, both written and spoken
  • English skills are a plus
  • You are trustworthy, diligent, and loyal
  • A strong sense of responsibility is one of your strengths
  • Quality-conscious work and customer-oriented thinking are paramount to you
  • A quick grasp, proactive thinking, and empathy distinguish you
  • You enjoy structured, independent, and self-reliant work
  • You have the ability to organize yourself and your tasks, contribute your part to the bigger picture, and think outside the box. Questioning things and proactive action are highly welcome.

We offer you

  • Attractive and secure workplace in a successful and future-oriented company
  • Performance-based compensation
  • A modern office and a dedicated team
  • A full-time position with variety and responsibility
  • The opportunity to develop personally and professionally
  • Good coffee, flat hierarchies, flexible structures, and an appreciative and friendly working atmosphere
    Freedom to contribute and develop your own ideas, as well as active participation in shaping central projects and a shared future
  • A quiet location with plenty of free parking spaces, immediate proximity to green spaces, a nearby city center, and direct access to the highway

Sounds like your dream job?
Dann freuen wir uns auf deine Bewerbung! Erzähl uns, wie du mit Kreativität, Technikbegeisterung und Innovationsgeist unser Marketing aufs nächste Level hebst.
Dann freuen wir uns auf deine aussagekräftige Bewerbung unter Angabe deiner Gehaltsvorstellung. Online-Bewerbungen bitte als pdf-Dokument per Mail.

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Technical Training
German
English
Trustworthiness
Loyalty
Zwei junge Erwachsene nutzen gemeinsam einen Computer, während sie auf den Bildschirm schauen und tippen.
Fresenius Umwelttechnik
Herten
Full-time
Office

Versatility meets organization: As an Office Management Assistant, you are the organizational hero or heroine in our team. You will learn to smartly design office processes, create and manage documents, and become a professional in customer contact.

Sounds like your thing? Then apply to Fresenius Umwelttechnik, a leading company in process measurement technology that is looking for dedicated apprentices!

Your Responsibilities:

  • Supporting the team in daily office routines
  • Communication with customers and suppliers
  • Handling commercial and administrative processes
  • Processing correspondence and general office communication
  • Creating invoices and offers
  • Procurement of office supplies
  • Scheduling and monitoring appointments
  • Preparation of meetings and presentations

What we offer you:

  • An apprenticeship in a successful and innovative company for the optimal start to your professional future
  • Varied and interesting activities in an internationally operating company
  • A motivated and dedicated team that will support you during your apprenticeship
  • Good coffee, flat hierarchies, flexible structures, and an appreciative and friendly working atmosphere
  • The opportunity to contribute your own ideas and actively participate in key projects
  • A modern office in a quiet location with plenty of free parking, immediate proximity to green spaces, a city center within a short distance, and direct access to the highway
  • Good chances of being hired after successfully
    completing your apprenticeship

What you bring:

  • Completed school education (at least Mittlere Reife or equivalent)
  • Interest in commercial and organizational activities
  • Good German language skills, both written and spoken
  • English language skills an advantage
  • Meticulous and structured work
  • Teamwork skills and strong communication
  • Reliability and sense of responsibility
  • Proficient in MS Office applications

With us, you can expect entrepreneurial thinking, sustainability, and a true culture of equality. Through active feedback and individual onboarding, you'll be involved from the start and can hit the ground running.

Are you keen to develop with us? Then send us your application via email (please as PDF) to: personal@fresenius-ut.com

We look forward to hearing from you!

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Mittlere Reife
German/English
Team-oriented
Reliability
Zwei Personen arbeiten an einer elektrischen Schaltung, Schneidewerkzeug und Kabel liegen auf dem Tisch.
Fresenius Umwelttechnik
Herten
Full-time
Office

Do you love technology and are eager to fully utilize your manual skills and technical know-how? Then apply now to us as an Electronics Technician for Devices and Systems!

We are a leading company in process measurement technology and are looking for motivated apprentices who are keen on assembling, installing, and maintaining electronic devices.

Your responsibilities:

  • Manufacturing of components and devices for measurement and testing technology
  • Commissioning and maintenance of systems and devices
  • Support for technicians and engineers with new devices and software solutions
  • Performing calculations and determining performance characteristics (e.g., sensors, actuators, diodes, transistors, and circuits)
  • Soldering as well as mechanical and electromechanical assembly
  • Performing software configurations
  • Performing control and adjustment measurements with special equipment
  • Customer service: Analyzing malfunctions, finding causes, and fixing them

What we offer you:

  • An apprenticeship in a successful and innovative company
    for the optimal start to your professional future
  • Varied and interesting activities in an internationally operating company
  • A motivated and dedicated team that will support you during your apprenticeship
  • Good coffee, flat hierarchies, flexible structures, and an appreciative and friendly working atmosphere
  • The opportunity to contribute your own ideas and actively participate in key projects
  • A modern workshop in a quiet location with plenty of free parking, immediate proximity to green spaces, a city center within a short distance, and direct access to the highway
  • Good chances of being hired after successfully
    completing your apprenticeship

Your profile:

  • A successful school leaving certificate (preferably Fachoberschulreife)
  • Technical understanding and interest in electronics
  • Manual dexterity and a meticulous
    working style
  • Reliability and team-oriented work

With us, you are directly part of the team and take on responsibility from the start. We live sustainable values, innovation, and celebrate diversity and equality. If you're ready to develop with us and power into your future – then let's go!

Begin your successful future today and send us your compelling application by email (preferably as a PDF). We look forward to meeting you and celebrating successes together!

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Fachoberschulreife
Technical understanding
Manual dexterity
Diligence
Team-oriented

We expressly welcome diverse people and ideas

At Fresenius Umwelttechnik we know: The knowledge, skills and experience of our employees are the key to our high quality and innovative strength. Each and every individual makes a significant contribution to our joint success. That is why we promote your individual development and that of all our employees through a trusting management culture in which every voice counts.

Your personal development is important to us. Our personnel development focuses on the continuous expansion of professional, methodological and social skills. Because we are convinced that your personal growth leads directly to our joint success.

That is why we have signed the Diversity Charter, because the quality of ideas and services is important to us – regardless of who they come from.

You can find out even more about us and your future workplace on our social media channels. 

Our heads

Get to know your future bosses

Viktoria Zwetzich

Head of Marketing & Sales

Andreas Rusch

CEO

Daniel Dworatzek

Head of Production & Service

Ready to take off with us?

Apply now and welcome us with a