IT Infrastructure Specialist (100%)

KLK Kolb; Hedingen; On-site; CHF 90,000 - 120,000; Full time

Benefits offered by this job

Flexible working hours

Home office options

Social benefits

Job summary

KLK Kolb is seeking an IT Infrastructure Specialist to operate and maintain our production site's IT backbone. You will manage servers, AD, DNS/DHCP, backups, virtualization, and security while coordinating with vendors and internal teams.

Join a multicultural environment with opportunities to grow towards Lead EU IT Service Management. Flexibility in hours and potential home-office options are available where operations permit.

Qualifications

• Bachelor’s degree or IT apprenticeship with HF training and comparable qualification.
• 3–5 years in IT infrastructure operations, incl. vendor management.
• Strong hands-on in Windows Server, AD, DNS/DHCP, GPOs, patching, virtualization, backup, SQL, networking, firewalls, security.

Responsibilities

• Operate and maintain servers, domain/DHCP/DNS, weighbridge app and database, door access control, IT backup, LIMS, DMS.
• Manage backups and data recovery, and supervise Windows updates for PCs/servers via WSUS or global tools.
• Oversee network and firewall infrastructure; troubleshoot and create guides.
• Support local business systems and coordinate with vendors to ensure availability and integration.

Skills

Windows Server

Active Directory

DNS/DHCP

Group Policies

Patch management

Virtualisation

Backup/Recovery

SQL administration

Networking

Firewalls & IT security

Telephony/PABX (adv)

M365 (adv)

ERP interfaces (SAP R3)

Education

Bachelor’s degree in computer science or business informatics

IT apprenticeship (EFZ) with HF training

Comparable qualification

Tools

VMware

Hyper-V

WSUS / patch mgmt tools

LAN/WAN networking tools

Job description

Your mission

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

Your profile

• 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

Our offer

• 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