Senior Windows Administrator

About the role

G+D is looking for a Senior Windows Administrator to provide high‑level technical expertise in Windows Server and Active Directory environments. You will implement IT strategies defined by senior management, ensure regulatory compliance, and maintain system availability in a fast‑paced, critical setting.

Key responsibilities

• Administer and configure Windows Server systems, including installations, upgrades, migrations, and integrations.
• Support incident, problem, and change management for Microsoft services.
• Maintain 100% system availability and address all security and compliance requirements.
• Monitor the Windows environment, perform performance and error analysis, and apply tuning measures.
• Create and keep up‑to‑date documentation and follow ITSM processes.

Required profile

• Strong analytical and troubleshooting abilities.
• Experience working in a regulated, security‑focused environment.
• Ability to collaborate with cross‑functional teams.
• Senior‑level expertise with Windows Server and Active Directory.

Required skills

• Windows Server 2019, 2022, 2025 administration
• Active Directory, Group Policy, DNS, DHCP, DFS, Terminal Services
• PowerShell scripting
• Basic knowledge of virtualization, storage, and networking
• Familiarity with PKI concepts (desirable)
• Experience with Azure administration (advantage)
• Understanding of ITSM processes