IT Infrastructure - Network & Connectivity Specialist

AT&S is a leading global manufacturer of high-end IC substrates and printed circuit boards. AT&S industrializes leading-edge technologies for its core business segments Mobile Devices & Substrates, Automotive & Aerospace, Industrial and Medical and high-performance computing for AI applications. We are looking for talent eager to shape the future of our interconnected world. With plants in Austria, China, India, Malaysia and sales offices around the globe, we offer excellent career opportunities for creators, innovators and enablers with the drive to make a difference.

To enhance our successful IT Team at the Headquarters in Leoben, we are looking for a passionate

IT Infrastructure – Network & Connectivity Specialist

Ensure secure and high-performance connectivity across our global network! In your role you will design, operate, and optimize enterprise network infrastructure with a strong focus on Cisco technologies. You will ensure high availability, security, and performance of LAN/WAN, wireless, and data center networks, manage network hardware, implement configurations, troubleshoot incidents, and support designated projects such as SD-WAN migration and segmentation initiatives. Your work guarantees compliance, scalability, and reliability for critical systems while collaborating closely with global IT teams

• Design and operate secure network infrastructures for designated environments
• Manage LAN, WAN, firewall, VPN, and segmentation concepts
• Implement network segregation and access control to meet compliance requirements
• Monitor network performance, security events, and availability
• Support incident response and root-cause analysis
• Maintain network documentation, diagrams, and standards
• Collaborate closely with Security and Production IT teams

• Completed education in IT, Computer Science, Network Engineering, or similar
• Proven Experience in a similar position
• Strong experience with enterprise networking and firewall technologies
• Knowledge of network security, segmentation, and zero-trust concepts
• Experience in regulated or high-security environments is an advantage
• Analytical, structured, and risk-aware mindset
• Fluent in English; German is a plus

• A meaningful role with opportunities for long-term growth in an international environment
• Chance to actively contribute to AT&S´ success and to create value
• A structured and tailor-made onboarding program along with continual training opportunities

We also offer

• Modern company canteen with freshly prepared meals every day
• Free parking spaces and e-charging stations
• Diverse health measures and a wide range of employee benefits