Join the Energy Revolution.

To achieve great goals a great team is required. Together, we want to put our mark in the energy revolution and contribute to achieving goals in climate and environmental preservation. 

Apply for your new job both by unsolicited application or for the job descriptions as outlined below. Come and join our highly motivated team of specialists. We offer competetive pay and great opportunities for growth within our group of companies.


Open positions (Germany)
Electrician / Plant electrician (m/f/d)

To support our team at the Renningen site, we are looking for an electrical specialist with immediate effect. Versatile tasks and development opportunities are given. 




Service Technician (m/f/x)

Our service team supports domestic and international customers. We are looking for new hires for maintenance and repairs. Willingness to travel is required.

Job Description (in German language): Location 71272 Renningen  

Job Description (in German language): Location 58452 Witten 


Project / Development Engineer (m/f/d)

We are constantly looking for additional project and development engineers for our Testing & Development department and to support customer projects. Diverse development opportunities within the WS Group are given.

Work on cutting-edge research topics for the success of the energy transition and be involved in technical support and consulting for our national and international customers.


Open positions (USA)
Project Engineer (m/f/x)

For the design of customer projects as well as for the technical support of our existing customers in USA, Ohio we are looking for dedicated project engineers as soon as possible.



Service Technician (m/f/x)

We are looking for dedicated service technicians who are willing to travel to join our US service team to maintain and support customer equipment in North America & Mexico.



Affiliated Companies
e-flox GmbH

Current openings at e-flox GmbH: here

WS Reformer GmbH

Current openings at WS Reformer GmbH: here.


At ROLLMOD GmbH, we are looking for new hires in our technical sales department.


Please contact ROLLMOD directly: Email.


AT TPC, we are currently open to hire new welders (m/f/x). We also offer the opportunity to learn the trade with support from TPC GmbH.


Please contact TPC GmbH: Email

BtX energy GmbH

Our newest start-up in Hof, BY is always on the lookout for new hires in engineering and technical services. Come join us, if you are interested in working in a highly dynamic team in the field of bioenergy. 


Please contact BtX energy GmbH: Email

Educational Positions

We supervise various kinds of theses in cooperation with universities in relevant areas of industrial combustion technology, emission abatement technology, and energy system analysis. Please feel free to contact us with your intended topic or ask us about current openings for theses within our group of companies.


Please contact us: EMail

Internships at WS or affiliated companies

We will be happy to offer internships in our technical departments at WS or affiliated companies.


Please contact us: EMail


Vocational Positions

To learn the trade of a Mechatronic, we currently closely cooperate with our affiliated company e-flox GmbH. Please contact e-flox GmbH directly if you are interested.


To learn the trade of a welder, we currently closely cooperate with our affiliated company TPC GmbH in Haiger. Please contact TPC GmbH directly if you are interested.