Системный администратор среднего уровня

Əsas vəzifələr

• Administer Windows Server, Active Directory, Group Policy, DNS, DHCP, file servers and NTFS/SMB permissions; support Entra ID integration.
• Administer VMware or Hyper-V: VMs, resources, virtual networking, HA/DRS/vMotion and performance.
• Maintain servers, RAID, SAN/NAS and iSCSI; handle HPE hardware, iLO and firmware; troubleshoot Fibre Channel zoning, LUNs and multipathing.
• Run Veeam jobs, investigate failures, perform file- and VM-level restores; maintain backup retention, immutable/off-site copies and DR procedures to RPO/RTO targets.
• Maintain network services and firewall policies; troubleshoot VLAN, routing, NAT and VPN issues; secure remote access.
• Support MFA, privileged account management and Conditional Access.
• Administer Microsoft 365 and Exchange Online: users, mailboxes, groups, licences; troubleshoot mail flow and SPF, DKIM, DMARC.
• Administer Linux servers: services, SSH, scheduled tasks, logs and storage.
• Automate routine tasks with PowerShell and Bash.
• Monitor health and performance; apply patches and vulnerability fixes; investigate incidents and find root causes.
• Follow change management, risk assessment and SLA requirements; keep diagrams, configuration records and documentation current; run regular recovery tests.

Tələblər

• 3–5 years in system administration or IT infrastructure.
• Windows Server 2016–2025 and Active Directory: Group Policy, DNS, DHCP, OUs, domain controllers, replication.
• VMware vSphere/ESXi/vCenter and/or Microsoft Hyper-V.
• Enterprise servers, RAID, SAN/NAS storage and iSCSI.
• Veeam Backup & Replication, backup monitoring and data recovery.
• Networking: TCP/IP, subnetting, VLANs, routing, switching, NAT, VPN and firewall troubleshooting.
• Linux servers (Ubuntu, Debian or RHEL-based).
• Microsoft 365, Exchange Online and Microsoft Entra ID.
• PowerShell or Bash scripting.
• Monitoring, patch management, security hardening, MFA and least-privilege access.
• Strong troubleshooting skills; able to work independently and document procedures; team player.
• HPE ProLiant, iLO, MSA and Primera/3PAR experience.
• Fibre Channel SAN: zoning, WWPNs, LUN mapping, multipathing.
• VMware HA, DRS and vMotion; Veeam immutable backups and disaster recovery testing.
• Entra ID hybrid identity, Conditional Access, Microsoft 365 security, Azure and Defender.
• SCCM/MECM software deployment and patching; WSUS; Failover Clustering.
• FortiGate, Cisco or MikroTik firewalls; Zabbix, PRTG or Grafana monitoring.
• ITIL, ISO 27001 and change management; relevant Microsoft, VMware, Veeam, HPE, Cisco or Fortinet certifications.