Senior System Administrator

Systems Administration

• Manage Windows Server (AD, DNS, DHCP, GPO, IIS, File Server) and Linux (RHEL/CentOS/Ubuntu)

• Identity & access management, system configurations

Virtualization & Infrastructure

• Deploy and operate VMware (ESXi, vCenter, HA, DRS, vMotion)

• Ensure high availability and resource optimization

Cloud & Collaboration

• Administer Microsoft 365 (Azure AD, Exchange Online, Teams, SharePoint)

• Support hybrid identity, MFA, Conditional Access

Backup & DR

• Manage Veeam Backup & Replication

• Perform backup validation, restore, ensure RPO/RTO

Security & Compliance

• System hardening (CIS / Microsoft baselines)

• Patch management, vulnerability remediation

• ISO 27001 / NIST alignment

Automation & Monitoring

• Automate with PowerShell, Bash, Python

• Monitor via Zabbix, PRTG, Nagios

• Performance tuning & capacity planning

Networking & Integration

• DNS, DHCP, TCP/IP, VLAN, VPN (IPSec/SSL)

• Firewall, DMZ, access control

Database & Applications

• PostgreSQL, MongoDB

• VoIP systems (3CX)

Operations

• ITIL-based incident management & RCA

• Documentation (SOPs, runbooks)

Required Background

• 3+ years of System Administration experience

• Strong Windows Server & Linux knowledge

• VMware experience (ESXi, vCenter, HA/DRS)

• Backup & DR (Veeam), Microsoft 365 / Hybrid

• Networking fundamentals & security practices

• Scripting (PowerShell required)

Preferred Qualifications

• Microsoft / VMware / Linux certifications

• Monitoring tools experience

• SIEM / storage (SAN/NAS) knowledge

• Docker / Kubernetes familiarity

📍 Location: Sumgait, Khizi