
Start a joint future with us
Sigmund Lindner GmbH (SiLi) is a family-run company based in Warmensteinach, Upper Franconia. For over 160 years, we have been combining tradition with innovation and are now a global specialist in glass beads, technical ceramic beads and glitter. Our products are used in the pharmaceutical, cosmetics, food and beverage industries, as well as in technical applications. Customers in over 80 countries trust in our quality and innovative strength.
Our approximately 120 employees are at the heart of our success. Their expertise, commitment and our loyalty to our location ensure sustainable growth and international customer satisfaction. We offer secure jobs in a constantly expanding market and train young people in various professions every year. Become part of our success and shape the future with us!

About us
A family business with tradition and a future
As a family-run company in Warmensteinach, Upper Franconia, we offer secure jobs to around 120 employees and have earned the trust of international customers through our many years of experience.
Benefits
What we offer
- A position in a long-established company at the highest technical level
- Varied work in a relaxed working environment
- Individual training and development opportunities
- Numerous social benefits, including a comprehensive company health management programme

Shape the future
Become part of our dedicated team!
We are passionate and committed to making a positive contribution to our world every day – join our team and play an active role!
Save lives!
Become part of the pharmaceutical bead production, these SiLibeads® glass beads ensure the even mixing of insulin for diabetics. Only by taking insulin regularly can diabetics survive.
Secure drinking water!
Clean water is one of our most precious commodities. Make a difference for clean drinking water around the world by joining SiLi. SiLibeads® filter glass beads are now used in drinking water wells in more than 22 countries.
Ensure clean swimming pools and pool installations!
SiLibeads® glass beads are used in large filter systems in public swimming pools as well as in small private pool filters. Become part of our team and take responsibility for clean and pure pool water with us.
Don’t give cheaters a chance!
Clean spirits in bars and pubs, pure olive oil – the use of SiLibeads® sealing beads in safety caps ensures that the contents of the bottle are not contaminated.
Be jointly responsible for safe roads!
Road safety is a big issue worldwide. By applying our tiny SiLibeads glass beads to the road marking, light is reflected and thus the visibility of the road marking is multiplied.
Join us in protecting the environment!
As the first manufacturer worldwide, we have succeeded in producing a 100% plastic-free Bioglitter®. Drive these developments forward with us. Glitter without a guilty conscience – festivals, cosmetics, handicrafts, there are no limits to creativity with our organic products.
Increase efficiency in fine grinding!
SiLibeads ceramic beads are not only used in gold and silver mines, but also in the grinding of pigments and minerals. The world’s heaviest and most efficient grinding ball was developed and produced here in Warmensteinach. Join us! Become part of our team!

