Senior Windows System Administrator (M365 / Citrix)

Senior Windows System Administrator (M365 / Citrix) Zurich | 2 days home office Looking to take your infrastructure expertise to the next level within a modern, highly stable IT environment ? We're supporting a well-established Swiss IT & consulting organisation known for delivering high-quality infrastructure services to a diverse client base (SMEs enterprise-level environments). They are now looking for a Senior Senior Windows System Administrator to strengthen their team in Zurich. Your Role You'll play a key role in maintaining and optimising a complex, highly virtualised IT landscape , working across both internal systems and client environments. Your responsibilities will include: Operating, monitoring & maintaining Microsoft-based infrastructure Managing and supporting M365 environments (Exchange, Teams, etc.) Working with Citrix Virtual Apps & Desktops environments Troubleshooting & resolving incidents (2nd level support) Installing & optimising hardware, OS & standard software Managing backups, recovery & system performance Supporting security improvements & vulnerability fixes Contributing to IT projects when needed Your Profile Background in IT Systems Engineering (or similar) 5+ years experience in complex IT environments Strong expertise across: Microsoft Server / Client environments M365 (essential) Citrix technologies (big advantage!) Basic knowledge of Linux / containers is a plus Microsoft certifications = bonus Soft skills matter too: Customer-oriented mindset Proactive, solution-driven approach Strong team player with positive energy What's on Offer Varied role with real ownership & impact Ongoing training & development opportunities Flexible working (2 days home office) Supportive, collaborative team culture