Applikationsmanager/-in (m/w/d) in Winterthur

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 17 production sites in nine countries, and employs around 4 220 people worldwide, approximately 15.4% 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

Senior System Engineer

The Senior System Engineer plays a key role in providing secure, stable, and scalable IT infrastructure services according to Rieter’s global business needs. This position is mainly responsible for the global server and storage hardware infrastructure operated in on premise data centres and covers the areas of architecture, design, implementation, operation, monitoring, standardisation, lifecycle management, and continuous improvement. The position owner is jointly responsible for core IT infrastructure services operated internally and works closely with global IT teams, business stakeholders, and external partners to ensure reliable and future‑oriented infrastructure services.

Your Tasks

• Design, build, operate, and continuously improve the global IT infrastructure services with a focus on server, storage, SAN, virtualization, and Active Directory technologies.
• Manage physical and virtual server platforms, storage systems, SAN infrastructure, and related data centre IT hardware components.
• Plan and execute hardware lifecycle activities, including technology refreshes, firmware and driver updates, capacity planning, end‑of‑life replacements, and coordination with external vendors.
• Provide second‑ and third‑level support for server, storage, SAN, virtualization, Windows Server, and Active Directory services.
• Analyze business and IT requirements and develop secure, scalable, and cost‑effective infrastructure solutions.
• Ensure compliance with configuration, security, operational, and documentation standards.
• Automate recurring operational tasks using scripting and tooling, especially PowerShell.
• Collaborate with global IT teams, local IT organisations, and external partners to ensure reliable infrastructure services.

Your Profile

• Bachelor’s degree, HF degree, or equivalent education in Computer Engineering, Information Technology, Systems Engineering, or a related technical field.
• At least seven to ten years of professional experience in IT system engineering or operations.
• Strong experience with enterprise server infrastructure, including physical servers, virtualization platforms, and related management tools.
• Very good knowledge of storage and SAN technologies, including operations, troubleshooting, capacity planning, and lifecycle management.
• Extensive knowledge of Windows Server, VMware, Active Directory, Group Policy, DNS, DHCP, and related Microsoft infrastructure services.
• Experience with PowerShell scripting and automation of recurring operational tasks.
• Good understanding of infrastructure security, including server hardening, patching, privileged access, secure configuration, and monitoring.
• Good knowledge of Microsoft Entra ID, hybrid identity concepts, and Conditional Access.
• Experience in working with vendors, external service providers, and globally distributed IT teams.
• Strong analytical, problem‑solving, communication, and collaboration skills.
• Very good written and spoken English skills

Our Offer

• 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

Business: Corporate Functions

Country: Switzerland

Functional Area: Information Technology

Entry Level: Professionals

Contract type: Unlimited

Location: Winterthur

Rahel Känzig

Rieter AG

Klosterstrasse 20

8406 Winterthur

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