Working together for a future with clean water
Since 1987, we’ve been shaping water technology for today and tomorrow. With 430 colleagues across five companies and eight locations in Austria, Germany, Switzerland and Slovenia, we work every day to provide clean water and more.
GWT Group: Leaders in Water Treatment & Plant Engineering
Water is life—and that’s exactly what we work on: from drinking water and wastewater to industrial water treatment, swimming pool, building services and electrical engineering. Join us for meaningful projects, a great team and genuine opportunities to grow.
What does GWT stand for?
Water is life. Without water, our daily wellbeing, health, food supply, energy supply and the products we use every day would all be impossible.
GWT stands for this foundation of life.
For more than 35 years, the companies of the GWT Group have focused on water, a limited resource. Founded in 1987 as a family business specialising in water treatment technology and related plant construction, we have grown steadily and sustainably ever since. Water, energy efficiency and economic viability remain the foundation of everything we do. With six locations in Austria and one each in Switzerland, Germany and Slovenia, our team of around 420 people delivers a broad range of technical services.
Join our team
Your journey starts here—we look forward to celebrating new successes together.
Because water matters to us. Because water is life.
Can’t find a suitable position?
Send us your unsolicited application—we’ll review it across the group. The GWT Group brings together a wide range of specialist fields. A match may come up sooner than you think.
Why GWT?
Purpose & Impact
You work on clean water, hygiene and efficiency – issues that directly help people.
Stable & growing
Family-owned since 1987, today 430 people, 5 companies, 8 locations.
Broad Range
Engineering, plant construction, instrumentation & control/automation, HVAC, service & chemicals or administration. From local projects to international ones.
Learn & Grow
Practical onboarding, courses/training and mentoring, depending on the team.
Where you can start your career with us
Engineering & design
From the initial idea to the finished design—for municipal and industrial facilities.
Plant engineering & installation
We prefabricate systems, install them on site and commission them together with our teams.
Instrumentation, Control & Automation
From control cabinets and instrumentation to PLCs and remote control systems, it’s all about keeping plants running reliably.
Building Services (HVAC)
We plan and install heating, air conditioning, ventilation and plumbing systems, including heat recovery and solar hot water.
Service & Chemicals
Whether it’s maintenance, troubleshooting or spare parts, you’ll be close to our customers and ensure their systems keep running.
Project management, procurement, logistics
Behind our projects is a great deal of organisation—from procurement and logistics to coordination.
IT, Marketing, HR & Finance
We have a wide range of roles that help keep our company running beyond our technical teams. These span IT and marketing, HR and finance.
Our locations
Austria: Leobersdorf (HQ), Sollenau, Graz, Braunau, Salzburg
Switzerland: Regensdorf (ZH)
Slovenia: Maribor
Slovakia: Martin
Depending on the team, roles may be site-based, hybrid or field-based. Details are included in the individual job postings.
Here’s how our application process works
1. Apply online
Choose a suitable position or submit an unsolicited application. To apply online, all we need initially is your résumé – you’re welcome to add a brief cover letter.
2. Get to know each other
In an initial conversation—online or in person—we’ll discuss the role, your experience and expectations, and the terms and conditions.
3. Further interviews & decision
If it’s a good fit for both sides, we move on to the next step. Depending on the position, you’ll meet other points of contact and discuss the details.
4. Welcome to GWT
If it’s a good fit, we look forward to welcoming you to GWT. Our structured onboarding will help you settle in and find your feet quickly.
What we offer our employees (depending on role/location)
- A welcoming, family-like workplaceShort decision-making processes, a supportive team and colleagues you can count on.
- Secure workplaceLong-term prospects at a successful Austrian family business with over 35 years of experience.
- Independent workYou take responsibility for your area of work and have the opportunity to contribute your own ideas and actively shape solutions.
- Company parking
Free parking directly at the company site. - Modern, high-quality work equipmentModern work equipment is provided for your day-to-day work, both in the office and on site.
- Working hours
Depending on your role, you can organise your working day flexibly. We take a transparent approach to recording working hours.
- Internal career development opportunities
We offer opportunities for professional and personal growth—from deepening your expertise to taking on new areas of responsibility.
- Company car
We provide you with a company car or pool car for work-related activities and assignments. Depending on their role, employees may also use a company car for private purposes.
Can I submit an unsolicited application?
Yes, you can find the option to submit a speculative application among the current job openings. Please let us know which area you would like to support us in (e.g. metal technology, instrumentation and control, HVAC, service, installation, administration) and which location you would like to work at.
Are there opportunities for HTL graduates or career changers?
Yes, occasionally – depending on the team and role. You can filter our current job openings for entry-level positions. In our selection process, we focus above all on motivation, willingness to learn and technical understanding.
How international are the projects?
Our projects span the DACH region and countries around the world — for example, in industrial water treatment and wash liquor treatment. Knowledge of other languages is always welcome.