Senior IT System Administrator (Hybrid Environment)

About the role

A leading global organization is seeking an experienced Senior System Administrator for a hands‑on role responsible for the operation, maintenance, and continuous improvement of the company's IT infrastructure within a modern hybrid environment. This key position owns business‑critical systems, ensuring high availability, performance, resilience, and operational continuity while collaborating with global teams.

Key responsibilities

• Manage and maintain the organization’s IT infrastructure end‑to‑end.
• Own and support servers, virtualization platforms, cloud and SaaS environments, and core enterprise systems.
• Implement and maintain networking, storage, backup, monitoring, cybersecurity, and disaster‑recovery solutions.
• Lead infrastructure and technology transformation projects from planning through execution.
• Troubleshoot and resolve complex technical issues at an expert level.
• Manage vendor relationships and evaluate new technology solutions.
• Ensure compliance with cybersecurity, regulatory, and business‑continuity requirements.
• Collaborate with global teams and stakeholders across multiple locations.

Required profile

• 5+ years of experience as a System Administrator in a global organization.
• Proven experience working in hybrid environments that combine on‑premises and cloud infrastructures.
• Strong background in servers, virtualization, networking, storage, backup solutions, and information security.
• Excellent English communication skills and experience collaborating with global teams.

Required skills

• VMware virtualization platform.
• Windows Server operating system.
• Linux operating systems.
• Active Directory.
• Microsoft Azure cloud services.
• Cisco networking equipment.
• Enterprise storage solutions.
• Backup and disaster‑recovery solutions.