System Administrator

About the role

ATCOMM is looking for a skilled System Administrator to manage and maintain its IT infrastructure, provide technical support to end users, and ensure system availability and security.

Key responsibilities

• Implement and maintain systems according to IT and information security policies.
• Provide IT support to end users and manage physical and virtual servers.
• Administer Windows and Linux operating systems, including updates, patches, and hardening.
• Manage Active Directory, Group Policy, user accounts, and access rights.
• Administer Microsoft 365, endpoint security (Bitdefender GravityZone), and backup solutions (Veeam).
• Maintain NAS storage, technical documentation, and system inventories.
• Monitor infrastructure performance, availability, capacity, and system logs.

Required profile

• Diploma or degree in IT, Computer Science or related field.
• Minimum three years of systems administration experience.
• Microsoft certification in Windows Server administration or equivalent competence.
• Practical experience with VMware virtualization and Veeam backup solutions.
• Knowledge of Linux administration, server hardware, storage and RAID.
• Understanding of IT security, vulnerability management and backup recovery.

Required skills

• Windows Server, Active Directory, Group Policy
• Microsoft 365 administration
• Bitdefender GravityZone endpoint security
• Veeam backup and recovery
• VMware virtualization
• Linux system administration
• PowerShell scripting
• Networking fundamentals and infrastructure monitoring