Work Location: Head Office, Branch Offices & Off-site Locations
Employment Type: Full-Time
Job Summary
We are looking for a skilled and proactive
System Administrator to manage, maintain, and support the organization’s IT infrastructure, including servers, virtualization platforms, network security, Microsoft services, storage systems, and end-user computing environments. The ideal candidate should have hands-on experience in Windows Server administration, Active Directory, virtualization technologies, firewall management, Microsoft 365, and IT infrastructure monitoring. The candidate will be responsible for ensuring the availability, security, performance, and reliability of IT systems while providing technical support across head office, branch offices, and remote locations.
Key Responsibilities
1. Server & Infrastructure Administration
- Install, configure, administer, and maintain Windows Server environments.
- Manage Active Directory, Group Policies (GPO), DNS, DHCP, Windows Deployment Services (WDS), and Print Servers.
- Administer Microsoft Exchange Server and Microsoft 365 / Office 365 Admin Center.
- Manage user accounts, access permissions, security policies, and authentication.
- Monitor server performance, availability, backups, and system health.
2. Virtualization & Storage Management
- Administer and maintain VMware ESXi and/or Microsoft Hyper-V virtualization environments.
- Manage virtual machines, resource allocation, snapshots, and virtual infrastructure performance.
- Maintain and support Proxmox virtualization platforms.
- Administer TrueNAS storage systems and manage storage allocation, sharing, and access permissions.
- Ensure proper backup and recovery procedures for critical systems.
3. Network & Security Administration
- Configure and manage FortiGate or other enterprise hardware firewalls.
- Configure and troubleshoot VPN connectivity, IPsec tunnels, and SSL VPN.
- Monitor and maintain LAN, WAN, Wi-Fi, and network connectivity across locations.
- Manage firewall policies, access controls, IPS, and network security configurations.
- Ensure network security, availability, and performance.
4. Monitoring & IT Infrastructure Management
- Configure and maintain Zabbix Server for infrastructure and network monitoring.
- Monitor server availability, network performance, system alerts, and resource utilization.
- Perform regular system maintenance, software updates, security patches, and upgrades.
- Monitor antivirus and endpoint protection solutions.
- Identify potential infrastructure issues and implement preventive measures.
5. End-User Technical Support
- Provide on-site and remote technical support for desktops, laptops, printers, and other IT peripherals.
- Diagnose, troubleshoot, and resolve hardware, software, operating system, and network-related issues.
- Install, configure, and upgrade operating systems, applications, and device drivers.
- Support end-users with Microsoft Office applications, email, printing, and connectivity issues.
- Manage user accounts, permissions, and profiles through Active Directory and related systems.
6. Documentation, Compliance & Coordination
- Maintain and update IT asset inventory, software license records, and infrastructure documentation.
- Prepare technical reports and assist with IT audits and compliance requirements.
- Maintain proper documentation of server configurations, network infrastructure, and IT procedures.
- Collaborate with senior IT team members to resolve escalated technical issues.
- Follow organizational IT policies, security standards, and operational procedures.
7. Location & Operational Support
- Provide IT infrastructure and end-user support at the Head Office, branch offices, and off-site locations.
- Travel to branch or remote locations when required for installation, troubleshooting, and maintenance.
- Be available for occasional after-hours or weekend support during critical incidents, urgent issues, or planned infrastructure maintenance.
Mandatory Technical Skills & Knowledge
Candidates must have working knowledge and practical experience in the following areas:
Technology / Area
Required Knowledge
Virtualization
VMware ESXi or Microsoft Hyper-V
Windows Server
Windows Server Administration
Directory Services
Active Directory, Group Policy (GPO)
Network Services
DNS, DHCP, WDS
Printing
Windows Print Server Management
Microsoft Services
Office 365 / Microsoft 365 Admin Center
Messaging
Microsoft Exchange Server
Firewall
FortiGate or other enterprise hardware firewall
Virtualization Platform
Proxmox
End-User Computing
Desktop, Laptop, Printer & Peripheral Support
Networking
LAN, WAN, Wi-Fi & TCP/IP
- Strong troubleshooting, analytical, and problem-solving skills.
- Good understanding of IT infrastructure, networking, and system administration.
- Ability to independently handle day-to-day IT operations and technical issues.
- Good communication and coordination skills.
- Ability to work effectively with cross-functional teams and end-users.
- Willingness to travel to branch offices and off-site locations when required.
- Ability to handle urgent IT incidents and planned maintenance activities.
