IT Infrastructure Specialist (100%)

Main tasks

• Operating and maintaining servers (domain/DHCP/DNS, weighbridge application and database, door access control, IT backup, LIMS, DMS) and the PABX system
• Ensuring backup and recovery of company data and systems, and managing Windows updates for PCs and servers (WSUS or global tools)
• Managing the network and firewall infrastructure, including troubleshooting and related guides
• Supporting local business systems and interfaces with application teams and vendors to ensure availability, connectivity and reliable integration
• Providing second-level support and first-level back-up in close collaboration with the IT Service Management Specialist, including installations, repairs, modifications and preventive maintenance of IT systems, supporting other infrastructure areas and escalating to vendors where needed
• Managing IT vendors, IT assets, communication systems, software licences and IT supplies
• Reviewing and updating documentation (specifications, asset records, network diagrams and schematics) and participating in IT projects
• Adopting and supporting KLK Group IT standards, tools, platforms and initiatives in infrastructure, cybersecurity, standardisation and compliance
• Ensuring GMP compliance within your area of responsibility (proper signing, deviation reporting, change control) and supporting compliance, security and audit activities

Special requirements

• Willingness to take part in the on-call duty rotation
• Occasional travel to our EU sites (if required)
• Mutual deputising with the IT Service Management Specialist

• Bachelor’s degree in computer science or business informatics, or an IT apprenticeship (e.g. Informatiker/in EFZ) with further training (e.g. HF), or a comparable qualification
• 3–5 years of experience in IT infrastructure operations, ideally in an industrial or production environment, including the management of IT vendors and service providers
• Solid hands-on expertise in Windows Server, Active Directory, DNS/DHCP, Group Policies, patch management (WSUS or similar), virtualisation (VMware, Hyper-V), backup/recovery, basic SQL administration, networking (LAN/WAN, VLAN, Wi-Fi), firewalls and IT security
• An advantage: knowledge of telephony/PABX, Microsoft 365, ERP systems (SAP R3) and their interfaces; relevant certifications (e.g. Microsoft, Cisco, Fortinet); experience in a GMP-regulated environment (e.g. computerised system validation, change control)
• Very good command of German and English; Dutch is a plus
• Team player with strong communication skills in a multicultural environment; structured, reliable, service-oriented, flexible and resilient, with initiative and a willingness to learn

• Broad responsibility for the IT infrastructure of a production site, with short decision-making paths
• An international environment with cross-site projects in Switzerland and the Netherlands and close collaboration with KLK Group IT
• Targeted training and certifications, with the opportunity to grow into the role of deputy to the Lead EU IT Service Management
• Flexible working hours and home office options where operations allow
• Modern employment conditions and attractive social benefits
• Place of work: Hedingen (ZH); start date by agreement

Join KLK Kolb, one of Europe's leading alkoxylation companies with approximately 550 employees driving innovation in surfactants, chemical specialties, and custom solutions for industries worldwide. As part of the global KLK OLEO Group, we operate 7 production facilities across Europe. Our three manufacturing sites are strategically located in the heart of Europe: Hedingen (Switzerland), Moerdijk (Netherlands) and Delden (Netherlands). At KLK Kolb, sustainable employability and employee vitality are fundamental to our company culture. We're committed to creating an environment where talented professionals thrive, grow, and shape the future of chemical innovation.