Werkstudent (m/w/d) Corporate Environment Health and Safety IT-Administration

Header Lorem Ipsum

Lorem ipsum dolor sit amet, consec tetur adipiscing ut enim ad minim veniam, quis nostrud

Global Tech & Innovation at Heraeus

Learn more about Heraeus, a global leader in precious metals, materials and technology. Discover our history, values, innovation and worldwide careers.

Work experience? Yes!

The Heraeus team wants to move forward. So do you. Discover our job opportunities!

Career entry? Yes!

You’re looking forward to the future. So are we. Start your journey with us!

What we do

Our expertise revolves around materials.

What drives us

Innovations are part of our DNA.

Who the Heraeus Group is

We enable progress with materials and technologies.

Frequently asked questions

How do I apply for a job at Heraeus? Who can I contact with questions? We answer your frequently asked questions.

What makes Heraeus stand out as an employer?

Discover our employer values, our company culture and the opportunities Heraeus offers for your career.

Heraeus Business Solutions: Gamifikace v oblasti EHS

Vyprávěli jste někdy příběhy nebo využili sílu hry, abyste skutečně oslovili lidi? Anja si zvolila právě tuto cestu. Její koncept školení pro větší bezpečnost na pracovišti staví na zkušenosti namísto pouhých instrukcí. Přečtěte si její příběh a zjistěte, proč tento přístup přináší skvělé výsledky.

Who are you then: Dr. Martina Gieg, Chief Human Resources Officer & Member of Group Executive Leadership Team

Anyone who has wandered through the landscape of various companies in the consulting world will be familiar with this initial barrier of distance that must first be broken through. But is there another way? Find out how she cracked the code in Martina's story.

Silence or alarm: Dr. Anja Teske, Head of EHS Governance and Performance

Sometimes it takes the precision of a surgeon to communicate faulty working methods. The wrong tone of voice could create defensiveness. The right word, on the other hand, saves lives. Find out more from Anja about the art of communicating with sensitivity in our occupational safety department!

This certain moment: Dr. Martina Gieg, Chief Human Resources Officer & Member of Group Executive Leadership Team

Pling! Martina's plans for today? Perfectly timed. Everything crystal clear. And then that one moment when it becomes clear: everything is different than planned. How can a colorful mix of things become a productivity turbo? Read more!

Job and jogging? Every step counts: Arthur Charlet, Head of Heraeus Medical; Co-President HME

Can you hear that? It's the rhythm of your comfort zone. Pleasant, safe, but also frighteningly stationary - Arthur found this and turned his career path into his personal jogging route. Discover the amazing parallel between jogging shoes and paths to success in our story!

Click here for the sparring session: Arthur Charlet, Head of Heraeus Medical; Co-President HME

Jumping in at the deep end - most people are familiar with this moment. For Arthur, at least, it was a leap into a new job world with lightning-fast progress. Why sometimes the most uncomfortable moments hold the most valuable lessons - read the full story!

From zero to one hundred: Dr. Martina Gieg, Chief Human Resources Officer & Member of Group Executive Leadership Team

There are offices that are like blank slates. But don't be fooled, because a dynamic rhythm is already pulsating here. It is literally a green field with unimagined possibilities. Read what our Group People Officer has experienced on the playing field without pre-drawn lines!

Tough but lovely: Dr. Anja Teske, Head of EHS Governance and Performance

A near-accident. A statistic. Just a number on paper? Wrong. Behind every avoided accident are people who will be coming home from work tonight. Meet our audit manager Anja, who dares to take a different look!

Dent in the market: Arthur Charlet, Head of Heraeus Medical; Co-President HME

The engine of the automotive industry is sputtering. Arthur experienced this at our production sites at the time. Standing idle? Not an option. Only a gear change can catapult you forward and make the twist. Discover how a challenge gave rise to a completely new way of thinking.

Our Stories

Operations & Supply Chain at Heraeus Medical

Test description

Heraeus Medical: A Career with Purpose and Perspective

Whether in Production, Supply Chain, Sales, or Marketing: at Heraeus Medical, you contribute to improving the quality of life for patients around the world. What drives us? Innovation, responsibility, and true collaboration. Sounds like the right environment for you? Discover what makes Heraeus Medical a great place to work!

From the city to the countryside: Nicole Kietzmann, Controller & Team Lead Controlling Services

“Wehrheim? Seriously!” After completing her dual studies, Nicole nevertheless decided to move to a location that many people first have to google. Why? Because sometimes great happiness lies in small things. Read on to find out what tipped the scales in Nicole's job decision.

Life is like a box of chocolates: Elke Berndl, Senior HR Manager

Some jobs are more than just a career move. They combine everything you can do and love. That's how it was for Elke when she became HR Manager at Heraeus Medical. Immerse yourself in her personal story, in which she explains why HR is close to her heart.

I'm off then: Nicole Kietzmann, Controller & Team Lead Controlling Services

From zero to a hundred? Sometimes things turn out differently than you think. Nicole takes on full responsibility for production controlling in a crash course. Join her on her challenge, which culminates in a completely new concept for standard cost accounting and a foundation that still stands today.

Bold ideas for the future : Elke Berndl, Senior HR Manager

How does knowledge stick? What makes teams truly future-proof? Elke knows the answers. Instead of dry training sessions, she has introduced learning journeys, future skills tools, and interactive onboarding programs. Discover how Elke has created new formats that help people grow.

From solo to symphony: Tony Bui, Junior Product & Project Manager 

What began as a side job while studying medical technology turned into a surprising career opportunity for Tony. Read his story to find out what a small card note and his passion for music have to do with his rapid development.

A bold change of roles: Martina Humez, Manager Medical Training

A bold step backward and yet forward: after years in management, Martina returned to science. What looked like a risk to some turned out to be a win - for her, the company, and the customers. Read how a change of roles became a personal triple win.

Where are your children now: Martina Humez, Manager Medical Training

Between bone cement and children's laughter – Martina proves that career and family are not mutually exclusive. She shows how both can be combined and how skeptical questions can be confidently refuted. Discover how she follows her path with passion and courage.

When work changes lives: Trang Funke, Brand Manager

Some career paths start quietly - yet have the potential to make a big impact. Whether in the laboratory or in medical technology, Trang has always been driven by the desire to make a difference with her work. Find out how responsibility has a double impact on her.

The Power of Authenticity: Tim Bächle, Sales Consultant 

From clinical consultant to sales professional: For Tim, the change was a real challenge. But instead of hiding behind sales clichés, he focused on what really matters. Find out how he landed his first big deal for PalaJet®!

Stay Strong: Katharina Apitius, Head of Sales EMEIR 

That's exactly how it happened: as the only woman among the CEOs of large US companies – and on top of that, in a tense market situation. Katharina stood her ground and ultimately even became the spokesperson for the group. Find out how courage can change more than you think.

Do you know Peter: Katharina Apitius, Head of Sales EMEIR

Does the power of human connections last forever? Almost. A chance conversation in the Jordanian desert leads to a moving reunion. Find out how Katharina brought Professor Ahmed and Swiss surgeon Peter back together on a business trip.

My path as a woman to the executive suite: Katharina Apitius, Head of Sales EMEIR

Rising to international leadership in a male-dominated field? Women have always pursued their career paths, and they continue to do so today. Read how Eastern Europe and Russia became a springboard for Katharina. Learn what perseverance and support can achieve in her story.

Mobility Makers: Christian Haug, Team Leader Quality Control / Powder & Accessories

Whether at the gym or at his grandfather's house, Christian has seen firsthand how Heraeus Medical products positively change lives. Today, he supports his team as a team leader in the laboratory. Find out now how he ensures that bone cement is not only tested, but also helps people get moving again!

Five areas. Five worlds: Oliver Brück, Head of Systems Engineering

Do you know that feeling? At first, you only see differences – seemingly insurmountable clashes between different mindsets. Old hands versus young talent, introverts versus extroverts. Find out how Oliver put the puzzle together to create a team that shines with diversity - just click here!

How we simply built our office ourselves: Timo Mack, Head of Production

An empty floor, a dreary room - but Timo had a vision: to set up an office from scratch that would enable agile working. Read how sprints, retros, and genuine team power were used to create spaces that connect people.

Servant Leadership: Timo Mack, Head of Production 

From the laboratory to the heart of life. Timo has turned his back on experimenting for the sake of it and is now working on something bigger: enabling millions of patients to live a pain-free and mobile life again. See how he brings his best team recipe to life! 

Playing through pain: Thembela Kwini, Chemical Process Operator

When grief finds its way into the workplace, compassion and humanity often become the strongest sources of support. Discover how Thembela faced one of her saddest moments – and how she stood by her team with strength and empathy during a time of deep sorrow.

Daring to Start Over at 30? Absolutely: "Karen", HR Manager, Heraeus (China)

“I always admired those who could shape perspectives with their expertise – I just never imagined I could become one of them.” This realization sparked Karen’s journey from administration to a Project Coordinator at the Regional Center of Heraeus Greater China. Here’s how she got there.

Straight into a rocket launch and an Award as a Reward: "Karen", HR Manager C&B, Heraeus (China)

Whether on the road or in a project, accelerating from zero to one hundred is a special feeling. It takes courage, stamina, and skill. These were exactly the strengths Karen brought into the large project team that developed the Competence Development House at Heraeus Electronics. This is the story of how her workplace became a space where visions can turn into reality.

Mission Impossible? Not at Heraeus: "Angie", Business Application Consultant, Heraeus (China)

Sometimes, it’s the quiet moments that matter the most. An email, a word of praise, and the realization that something great can emerge from a seemingly impossible task. Discover how “Angie” mastered a real project challenge – both professionally and personally.

Where chemistry meets people: Amit Kumar, Technical Manager, Heraeus Precious Metals

What happens when chemistry leaves the research lab and meets the real world ? For Amit, the answer lies on the production floor. At Heraeus, he combines scientific expertise with collaboration across teams to solve problems that matter. Every single day. Discover his story.

A truck. Eight flow bins. And I jumped for joy. Abbe Little, Smelting Sales Manager, Heraeus Precious Metals

Manufacturing sounds in the air. Forklifts lift multi-ton containers. As the first truck rolls onto the site in Wartburg, Abbe knows: We did it. But the story doesn’t begin here – It begins with a blank sheet of paper. Read on.

The fox always knows the way: “Marvin”, Account Manager, Heraeus Electronics

A fresh perspective can change everything. Marvin brought his engineering roots into sales. At Heraeus, he shows that success isn’t about pressure, but about understanding, connection, and the ability to see what truly matters. Sometimes, it’s about finding the one person who opens the door. Discover his story.

Marketing & Sales: Your career is far from finished growing

Whether in marketing or sales: listening, understanding, and creating tailored solutions – that’s what makes a difference for people worldwide. With us, you can take that mindset further. Sounds good? Then take the next step – join us. Learn more about your opportunities in marketing and sales!

What I learned, I now share: Marleny Fonseca Quiñones, Line Leader, Heraeus Medevio

Today, new employees turn to Marleny when they want to learn how a production line works. Ten years ago, when she started her career here, it was the other way around. Back then, others patiently guided her through every step of the job. Read why friendship is just as important to Marleny as professional growth.

Respect knows no age: Luis Steven Guido Méndez, Senior Manufacturing Engineer, Heraeus Medevio

Luis has worked at Heraeus Medevio for almost twelve years. That is nearly one-third of his life. For many people, this may seem unusual – especially at a time when changing jobs has become common. For Luis, the answer is simple: respect. Discover how respect shapes his everyday experience at work.

Pura Vida: Noelia Castro Hernández, Line Leader, Heraeus Medevio

When Noelia walks through the plant today, she thinks: I made the right decision! In 2017, Heraeus Medevio started operations in Cartago with just 50 employees and a single production line. Today, more than 900 people work here. Discover how Noelia has grown alongside the company.

Straight out of school? Right here! Roger Andrés Mora Durán, Senior Engineering Technician, R&D Electrophysiology, Heraeus Medevio

When Roger joined Heraeus Medevio, it was his first job after graduating from school. Today, many colleagues see him as an expert, a problem solver, and even a real “walking encyclopedia.” Discover how Roger has grown alongside Heraeus Medevio – from machine operator to Senior R&D Technician.

Whoever has the ball helps the team: Dídimo Samudio Rojas, Line Leader, Heraeus Medevio

At Heraeus Medevio, Dídimo knows almost every production line and many of the machines by heart. For years, he has been wherever support is needed on Shift A – sometimes on one line, sometimes on two. And when time allows, he can also be found on a soccer field with his colleagues. Discover why joining Heraeus Medevio turned out to be the most important decision of his life.

The smallest finger on the hand: Ana Fabiola Calvo Dormond, Training Technician, Heraeus Medevio

Almost ten years ago, Fabiola’s first day in the medical technology industry began with a two-hour commute. Today, her workplace at Heraeus Medevio is only a few minutes away. In between lie not only new buildings and production lines, but also Fabiola’s own personal growth story.

Four people. One night shift. One family. David Alberto Quirós Marín, Operator, Guidewire Production, Heraeus Medevio

When David talks about his team, he always comes back to the same word: family. For years, he has worked the night shift with the same three colleagues. Together, they keep production running 24 hours a day. Discover why teamwork matters just as much to David as technology, and why every workday is still rewarding.

There’s much more room in Cartago! Luis Gerardo Guido Rodríguez, Maintenance Technician, Heraeus Medevio

When Heraeus acquired the company where Luis worked, suddenly everything was up for discussion: the location, the future, and people’s jobs. Today, he says it was one of the best developments of his professional life. Discover how the acquisition created new opportunities for him and his family.

When the MLA line arrived, I said: “Yes!” Fanny Guzmán Calderón, Production Supervisor, Heraeus Medevio

Today, 49 employees report directly to Fanny. She is responsible for several production lines, including MLA. It was with this line that her career advancement began several years ago. At the time, she had no idea how much it would shape her professional future. Discover how a new production line became a life-changing opportunity for Fanny.

“I learned to trust myself.” Francesca Uebel, Working Student Group Communications

What happens when respect for technical topics suddenly turns into genuine self-confidence? For Francesca, her time as a working student completely changed the way she sees communication and herself. Find out what Rudi Völler has to do with it!

Trust yourself! Vivian, Executive Assistant, Heraeus (China)

When Vivian joined Heraeus in Shanghai, she had just graduated from university. She did not have much experience yet, but she had plenty of questions: What is the right thing to do? What do others expect from me? Can I trust my own decisions? Four years later, she has contributed to major projects – and found her answer. Read Vivian’s story!