Shape the World of Tomorrow with Wood

Creating a sustainable future with wood is what drives us. Blumer Lehmann operates internationally with locations in Switzerland, Germany, Austria, and Luxembourg. Our headquarters in Gossau, Switzerland, serve as a planning and production hub for timber construction, silo and plant engineering, as well as our wood processing industry.

Around 600 employees are committed to unlocking the full potential of wood through a combination of traditional craftsmanship, digital expertise, and state-of-the-art technologies.

Would you like to work with us on bold ideas and reliable solutions for a sustainable future?

Tasks

  • Operate, administer, monitor, and continuously improve our multi-site LAN, WAN, and WLAN infrastructure across Switzerland, Germany, Austria, and Luxembourg
  • Configure and maintain firewalls, switches, and access points
  • Manage and further develop site-to-site and remote-access VPN connections
  • Support the secure segmentation of IT and OT environments, including production facilities, machine connectivity, and remote maintenance access
  • Analyze and sustainably resolve network incidents, including escalation management, root cause analysis, and documentation
  • Plan and implement infrastructure projects such as site expansions, network modernization, and SD-WAN initiatives
  • Integrate cloud services and hybrid environments with the local network infrastructure
  • Coordinate with service providers, external partners, and technology vendors
  • Participate in the service desk (rotating schedule) and share technical know-how within the team

Requirements

  • Completed education in Information Technology or a comparable qualification
  • Several years of practical experience in network operations or a systems engineering role with a strong networking focus
  • Sound knowledge of routing, switching, firewalls, WLAN, TCP/IP, DNS, and DHCP
  • Experience with VPN technologies and VLAN concepts
  • Strong understanding of IT security, ideally complemented by experience with OT or industrial networks
  • Advantageous: experience with SD-WAN, network monitoring tools, and network automation
  • Basic understanding of cloud networking concepts (Azure Networking, hybrid connectivity)
  • Independent and structured working style: you identify needs, prioritize tasks, implement solutions, and communicate proactively
  • Excellent German and good English language skills

We offer

We value collaboration on equal footing and foster a warm, informal culture from day one. Alongside exciting challenges, we offer growth opportunities and a wide range of benefits that support you across many areas of life. 

Join Our Team! We look forward to hearing from you.

Michael Kummer

Michael Kummer

HR Director
Member of the Executive Board

+41 71 388 03 49
michael.kummer@blumer-lehmann.com

Your workplace – Welcome to Erlenhof

The Erlenhof headquarters in Gossau is a planning and production site for timber construction, silo and facilities construction and the timber industry. It is also a place for people to meet. Together, we work on bold ideas and reliable solutions for a sustainable future.