Senior Network Security Engineer

Rieter is the world’s leading system supplier for processing natural and man-made fibers into short-staple and long-staple yarn, as well as for the production of filament yarns, man-made fibers and nonwovens. With its comprehensive technology portfolio, Rieter covers the entire textile value chain – from fiber to yarn, and from polymer melt to texturized filament, synthetic staple fibers and nonwoven.

Headquartered in Winterthur, Switzerland, the company designs and engineers complex spinning plants, machines, systems, and components that enable an efficient and economical production. Rieter’s leading technologies ensure minimal resource consumption, making a significant contribution to sustainability across the global textile value chain.

Rieter has a history spanning more than 230 years, operates 22 production sites in nine countries, and employs around 6 400 people worldwide, approximately 9% of them in Switzerland. Rieter is listed on the SIX Swiss Exchange under the ticker symbol RIEN.

You have power, are versatile, service- and goal-oriented? You like to work in a team, are curious and always find innovative ways to reach your goals? Then you fit perfectly within our team and can strengthen our business as

Are you a service-oriented network professional who enjoys working in a global environment? Are you curious, solution-focused and motivated to continuously improve secure and reliable network services? Then you could be a great addition to our team as a Senior Network Security Engineer.

• Design, build and operate global network security infrastructure and solutions to protect against cybersecurity threats.
• Manage and continuously improve firewall, VPN, network segmentation and secure connectivity services.
• Provide second- and third-level support for network security infrastructure and services.
• Analyze internal customer requirements and develop secure, scalable network security solutions.
• Ensure compliance with global architecture, configuration and security standards.
• Continuously improve the design, performance and reliability of existing network security environments
• Lead and contribute to network security projects, including infrastructure and service lifecycle activities, cloud connectivity and security architecture improvements.

• Bachelor’s degree or HF in Computer Engineering, Information Technology or related Engineering field or a technical training program
• At least seven years of experience in enterprise network and/or network security engineering.
• Extensive knowledge and experience with Palo Alto firewalls, VPNs, network segmentation and IPSec
• Very good knowledge of IT Network Security Technologies (Intrusion Detection and Prevention Systems (IDPS), Network Access Control (NAC), Cloud network security and Wireless Security)
• Good experience in managing Huawei and Cisco LAN and WLAN components
• Good understanding of ISP and data centre environments (routing, switching, MPLS, BGP, load balancers)
• Strong understanding of infrastructure services (DNS, DHCP, IP)
• Solid experience in the architecture, implementation, and further development of complex network security solutions
• Strong hands‑on experience in network security monitoring and troubleshooting
• Excellent analytical and problem‑solving skills
• Very good oral and written English skills
• Strong communication skills in an international environment

• an international working environment with long tradition
• versatile activity in a future-oriented environment with a lot of self-responsibility
• good development opportunities and fair employment conditions
• a motivated team with mutual respect and good cooperation

Rahel Känzig
Rieter AG
Klosterstrasse 20
8406 Winterthur