Information Technology Specialist - 5482

End-to-end responsibility for the company’s IT infrastructure, with a strong focus on systems administration: servers, virtualization, backups, access control, and system hardening. In parallel, ownership of core networking tasks: VLAN/VPN, routing and switching, monitoring and handling complex production incidents.

The role requires substantial hands-on experience managing Linux servers, scripting and automation capabilities, and deep familiarity with DNS, RADIUS, and LDAP (directory and authentication services).

Key Responsibilities

• Windows Server environment management: Active Directory, GPO, DNS, DHCP, file services, and permissions.
• Directory and authentication services management: LDAP, RADIUS, access control policies, and identity integrations.
• VMware/Hyper-V operations: day-to-day management, upgrades, performance optimization, and high availability.
• Backup and recovery ownership (for example Veeam) and basic DR procedures.
• Advanced troubleshooting, Root Cause Analysis (RCA), documentation, and procedures writing.
• Linux server management and support: provisioning, hardening, permissions, services, monitoring, and issue resolution.
• Scripting and automation development and maintenance to improve operational efficiency (routine maintenance, monitoring, deployment, access management).
• Network infrastructure support: LAN/WAN/VLAN/VPN, working with Cisco, Juniper, Fortigate, Palo Alto (or similar).
• Infrastructure and network monitoring using PRTG, Zabbix, SolarWinds (or similar), and driving stability improvements.

Mandatory Requirements

• 3+ years of experience as a System Administrator in a mid-size to large organization (production environment).
• Strong hands-on experience with Windows Server, AD, GPO, DNS, and DHCP.
• Significant experience managing Linux in production environments.
• Experience with virtualization platforms (VMware, Hyper-V).
• Proven networking background: VLAN, VPN, routing and switching, and handling production incidents.
• Practical experience with scripting and automation (for example PowerShell, Bash, Python).
• Deep knowledge of DNS, RADIUS, and LDAP, including configuration, integrations, and troubleshooting.
• Ability to work independently, with strong organization skills and a broad infrastructure-oriented mindset.