In-House Sales Representative Cleanroom (m/f/d)
Kretz + Wahl Gebäudetechnik GmbH & Co. KG · Fernwald-Steinbach

Helping Shape a More Sustainable Future
For over 45 years, we have been developing, manufacturing, and installing cutting-edge technologies in ventilation, air conditioning, and cleanroom systems. At Kretz + Wahl, you’ll work in a thriving, forward-looking industry and create sustainable solutions for people and the environment. Join a team that is actively shaping the energy transition with innovation and agility.
As an established, mid-sized company, we offer you long-term career prospects and meaningful projects that make a positive contribution to society. Whether on the construction site, in the office, or in customer service: With us, you’ll benefit from a supportive work environment with flat hierarchies and quick decision-making processes. Here, you’ll have the chance to contribute your ideas and work with us to build a more sustainable future.
Your responsibilities with us
· Development of concept studies and preliminary planning
· Independent planning and design of ventilation, process air conditioning, and cleanroom systems (as a general contractor/general planning service)
· Preparation of planning and construction bids
· Coordination with partners and project stakeholders, as well as coordination of ancillary trades and process media supply
· Development of specifications, tenders, and bills of quantities
· Support for the sales team in customer consulting and business development
Requirements
· Bachelor’s or master’s degree in building services engineering, pharmaceutical engineering, process engineering, or civil engineering
· Several years of professional experience in a comparable position
· In-depth knowledge of high-tech industries or the pharmaceutical industry (main and ancillary trades)
· Knowledge of relevant standards and guidelines (building services, construction, GMP, and cleanrooms)
· Proficiency in MS Office and Outlook; CAD skills are a plus
· Very good English skills; additional language skills are a plus
· Team player, able to handle pressure, and willing to travel
These benefits await you
- Flexible work schedules: Flexible hours and the option to work from home give you the freedom to achieve an optimal work-life balance.
- Salary & Benefits: We offer a company pension plan, a free gym membership, and many other corporate benefits.
- Professional and Personal Development: Through specialized training, we support you in developing the relevant hard and soft skills for your field or your individual career path—all the way up to a leadership role.
- Mobility that suits you: Take advantage of our attractive mobility options, such as JobRad or company cars, for more freedom on four wheels.
- Strong teamwork: Joint company events, flat hierarchies, and a positive culture of learning from mistakes define our supportive work environment.
- Sustainability with responsibility: With us, you’ll work on meaningful client projects that make a positive contribution to the environment and society.
You can easily apply by email at bewerbung@kretz-wahl.de or via our online form on our website. We look forward to receiving your resume, references, and a cover letter—please include your salary expectations and potential start date.