Senior Systems Administrator – Windows & Automation

About the role

We are seeking a Senior Systems Administrator to join an international IT infrastructure team. You will be responsible for Level 3 support, automation, security and continuous improvement of large‑scale Windows platforms across multiple European locations.

Key responsibilities

• Provide Level 3 support for Windows infrastructure services and resolve complex incidents.
• Administer Ansible Tower environments and drive automation initiatives.
• Maintain stability, security and patch compliance of identity and endpoint management solutions.
• Perform infrastructure patching and produce detailed compliance reports.
• Support and monitor Active Directory services and Linux integrations.
• Collaborate with regional teams to ensure infrastructure availability and service quality.
• Participate in improvement projects, technical implementations and documentation.
• Support asset discovery, inventory management and reporting processes.
• Assist with project planning, risk tracking and technical delivery activities.

Required profile

• Proven experience as a Systems Administrator in enterprise environments.
• Strong knowledge of Windows infrastructure and system administration.
• Solid understanding of networking, DNS, DHCP and security concepts.
• Professional proficiency in English; basic French is a plus.
• Excellent troubleshooting, analytical and problem‑solving abilities.

Required skills

• Ansible (including Ansible Tower)
• PowerShell
• Python
• WSUS
• Active Directory
• Power BI for reporting and dashboards
• Networking, DNS, DHCP
• Windows infrastructure management

What we offer

• Opportunity to work in a large‑scale international infrastructure environment.
• Exposure to enterprise‑grade Windows, automation and security technologies.