Senior System Administrator H/F

Sigma Suisse is seeking for it's client, a company in the trading sector, a Senior IT Systems Administrator :

Key Responsibilities

• Install, upgrade, configure, administer, and maintain primarily Windows Server-based systems

• Manage local and remote IT projects from inception to completion

• Maintain custom application environments for financial application infrastructure

• Manage vendors, service providers, and internal business teams

• Cover regular working hours with potential for extended hours, including some

weekends

• Provide 3rd level support and occasional 1st and 2nd level support escalation

• Travel to remote office locations may be required

Required Qualifications

• Proficiency in Windows Server Administration (2016 and later versions)

• Expertise in VMware ESXi and vCenter administration (7.0 minimum)

• Veeam backup technologies, Active Directory, DNS, DHCP, and Group Policy administration

• SQL Server administration, installation, and configuration

• Experience with Centreon monitoring platform

• In-depth knowledge of Citrix XenApp & Desktop 7.x, NetScaler ADC, Citrix

Studio/Director (Citrix DaaS would be a plus)

• Solid experience in Exchange Server Administration (2016 and later)

• Experience with NAS storage, NFS/CIFS protocols

• Skills in PowerShell, Python, or Power BI for task automation

• Management of Microsoft patch cycles and deployment via SCCM

• Network topology (DMZ, load balancing, firewall, VLANs, etc.)

• Hands-on datacenter experience (rack mounting, cabling, and iLO configuration)

• Experience with Microsoft 365 products, including Azure AD

• Knowledge of Nutanix would be an advantage