System Administrator - IT Support

About the role

The System Administrator – IT Support will ensure reliable operation of computer systems, network servers and virtual environments. You will support secure infrastructures, perform system upgrades, monitor performance and proactively maintain high availability.

Key responsibilities

• Manage and monitor all installed systems and infrastructure (Windows/Linux).
• Install, configure, test and maintain operating systems, application software and system management tools.
• Ensure the highest levels of systems and infrastructure availability and security.
• Support and maintain Active Directory, DNS, DHCP, Group Policy and file systems.
• Administer firewalls, VPNs and other security tools in collaboration with the security team.
• Implement and maintain backup and disaster recovery solutions.
• Troubleshoot hardware and software issues promptly.
• Monitor system resource utilization, trend analysis and capacity planning.
• Manage cloud environments (e.g., AWS, Azure) and hybrid infrastructure where applicable.
• Assist in vulnerability assessments and support patch management.
• Create and maintain technical documentation, manuals and procedures.
• Collaborate with cybersecurity teams to ensure secure system configurations and compliance.

Required profile

• Bachelor's degree in Computer Science, Information Technology or a related field.
• Minimum 5 years of experience in system administration, IT support or infrastructure roles.
• Strong knowledge of Windows Server, Linux operating systems and scripting (PowerShell, Bash).
• Experience with virtualization technologies such as VMware and Hyper‑V.
• Familiarity with networking concepts including TCP/IP, DNS, DHCP, VPNs and firewalls.
• Knowledge of cloud services (AWS, Azure, GCP) and Office 365 administration.
• Exposure to cybersecurity practices and IT security tools.
• Good understanding of backup and disaster recovery procedures.
• Strong troubleshooting and problem‑solving abilities.

Required skills

• Windows Server
• Linux OS
• PowerShell
• Bash
• VMware
• Hyper‑V
• TCP/IP
• DNS
• DHCP
• VPN
• Firewalls
• Active Directory
• Group Policy
• Backup and disaster recovery solutions
• AWS
• Azure
• GCP
• Office 365 administration
• Virtualization
• Cloud infrastructure management