IT Network Engineer

About Zehnder GroupZehnder Group is a global leader in indoor climate solutions, driven by innovation, sustainability, and quality. Our International Shared Services Center (ISSC) in Poland plays a key role in delivering reliable, secure, and scalable IT services across the group worldwide.As part of the ongoing modernization of our global IT infrastructure, we are strengthening our network and security capabilities within Group IT to support a resilient, standardized, and future‑ready enterprise environment.Role SummaryWe are looking for a technically skilled Network Engineer to join our International Shared Services Center in Poland as part of Group IT Infrastructure. In this role, you will be responsible for building, operating, and securing Zehnder’s global network landscape across on‑premises and cloud‑connected environments.You will work with modern networking and security concepts, including Zero Trust architectures, enterprise connectivity, and centralized monitoring, ensuring a stable and secure foundation for business‑critical services worldwide. Key Responsibilities· Configure, implement and maintain secure network infrastructure (LAN, WLAN, WAN, VPN, ZTNA, DMZ, NAC, Zoning, Proxy).· Administer and support network devices and services (switches, Wireless environment, firewalls, Proxy, NAC).· Monitor and optimize network performance and security using centralized monitoring platforms and logging tools.· Maintain accurate documentation of network architectures, configurations, and change history.· Enforce firewall rules, access control, and network segmentation in alignment with Zehnder’s security directives and zero-trust principles.· Troubleshoot and resolve network and connectivity issues across multiple environments.· Collaborate with internal teams and managed service partners (SOC, monitoring, threat response) to address incidents and vulnerabilities.· Contribute to infrastructure security improvements and participate in compliance audits (e.g., ISO/IEC 27001, GDPR).· Resolving fault reports (ticket system) at second level as support of first LevelCertifications (Preferred)Industry-recognized network or security certifications such as:· Cisco CCNA or equivalent· CompTIA Security+, Network+, CySA+· Other comparable certifications demonstrating network and security expertise.Additional Requirements· English: Full professional proficiency, both spoken and written is required.· Communicative, solution-oriented, and customer-focused mindset.· Structured, reliable, and proactive working style with a strong sense of ownership.· Ability to work independently while contributing effectively to a team environment.· Willingness to occasionally work off-peak hours or weekends. What We Offer· A hands-on technical role within a global, innovation-driven company.· Direct involvement in the design, operation, and evolution of Zehnder’s global enterprise network.· Participation in global infrastructure initiatives and network modernization projects.· Ongoing professional development and training opportunities.· Competitive compensation and benefits.· You will be part of the Group IT Infrastructure team, working closely with Network, Server, and Workplace specialists.· Package of benefits: multisport card ; private medical care; flexible working time; fruits; corporate products and services at discounted prices; holiday funds; christmas gifts