Plant mechanic for sanitary, heating and air conditioning technology as a service technician (m/f/d)

Why you have come to the right place

With us you can fully utilize your specialist knowledge and leadership skills in a dynamic environment. We not only offer interesting projects, but also continuous personal development opportunities. As part of our dedicated team, you can help implement high-quality and efficient solutions in the area of ​​HVAC.

Become part of our team and take advantage of the opportunity to work as a plant mechanic in a successful environment!

Wilhelm Theis GmbH has been one of the leading technical building suppliers in the region for over 90 years. Around 90 employees work at our location in Bad Marienberg and as part of our large-scale projects throughout Germany - from office buildings to shopping centers, hospitals, hotels, residential properties to sports and event facilities.

Your tasks
  • You ensure that our customers' heating, plumbing and air conditioning systems operate smoothly.
  • You are responsible for maintenance and repair work as well as eliminating disruptions in regional small customer service and on large construction sites across Germany (approx. 30% assembly share).
  • You will also be responsible for sanitary repairs, bathroom renovations and modernizations.
  • After each use, create a service and maintenance report.
  • You report to the Head of Service and work closely with our warehouse team. Your writing style is convincing.
Your profile
  • You have training as a system mechanic for plumbing, heating and air conditioning technology or are a trained electrician with additional qualifications in the area of ​​heating technology.
  • With us you can gain and apply experience with different systems and with heat generators based on renewable energies.
  • Our customers are impressed by your solution-oriented and careful way of working, your committed and friendly demeanor and your punctuality.
  • Her personal mission: Satisfied customers. You are willing (approx. once a month) to take over emergency and on-call services and go the extra mile for your customers.
  • You bring relevant knowledge in the field of materials science.
  • You have German language skills at C2 level and are able to communicate with our customer contacts (domestic engineering department or private households) on an equal footing.
  • You are physically fit and have a class B driving license.
Our benefits
  • Attractive remuneration with overtime premiums
  • Capital-forming benefits
  • Assembly vehicle, mobile phone, tablet and laptop, work clothes
  • E-bike leasing
  • supplementary health insurance
  • Payment of the cost of a gym membership
  • Individual care by a physiotherapist on site
  • Further training is explicitly desired and is supported without restrictions (e.g. certifications, manufacturer courses, refrigeration or welding licence)
  • Permanent employment contract in a family company

Our external HR department PERSONAL CHECK is at your disposal to clarify initial questions Mrs. Nieke Arendt under +0172 - 624 7888 to disposal. We will check your documents and get back to you within a week for an initial interview (online). If everything goes well, you will then have a meeting with the management at our site within 8-10 days.

This is how we work and tick

For us, no two projects are the same; we learn from each one. On the construction sites, we coordinate daily and work closely and easily with our colleagues at the company headquarters. As a team we stick together and help each other. We like to celebrate together, e.g. B. at our company parties with the entire team or in smaller groups at our garage parties. We like to go on bike tours together with our e-bikes.

#Future

Join the Wilhelm Theis GmbH team in 4 steps

01

Application

Your application has been successfully received by us. You will receive confirmation of receipt within 24 hours

02

Video Interview

We look forward to getting to know you in a first video interview. We are supported by our external HR manager Nieke Arendt PERSONAL CHECK.

03

on-site call

In the next step, we invite you to an introductory meeting at our company. You have the opportunity to get to know us better as a company and as a team and gain an insight into our day-to-day work.

04

Setting

Welcome to the Wilhelm Theis GmbH team. Your colleagues will introduce you to the world of technical building equipment and customers from day one. It is very important to us that you feel really comfortable with us from your first day at work.

Frequently asked questions and answers - FAQ

How do I apply to Wilhelm Theis GmbH? 

There are various options available to you here. The easiest is the application process on our website. You are also welcome to send us your application documents by email bewerbung@theis-gmbh.de send or via the old-fashioned postal route. 

Which documents should my application contain? 

We would like to know what drives you and whether you are a good fit for us. You are welcome to communicate this in a short email or in a short cover letter.


Furthermore, we are of course interested in your previous career as well as any practical experience you may have and look forward to receiving your CV. 

How does the application process work? 

Send us your application and we will contact you by phone or email within a few days.


We conduct an initial introductory meeting online as a video interview. If it suits both sides, the next step is a personal meeting on site. 

What further training opportunities do we offer you? 

Of course, you can continue your training after your training and continue to grow in our company. Depending on the profession, there are many different options, including technical training of all kinds or project management skills.