Job Description
Network administrators
We are looking for an experienced Network Administrator responsible for the installation, configuration, monitoring, troubleshooting, and maintenance of enterprise network infrastructure.
The candidate should have hands-on experience with Aruba and Fortinet wireless access points, switches, LAN/WAN infrastructure, network security, monitoring, and network maintenance.
Key Responsibilities
Network Administration
* Install, configure, maintain, and troubleshoot enterprise network infrastructure.
* Manage LAN, WAN, VLAN, routing, switching, and wireless networks.
* Monitor network performance, availability, bandwidth, and connectivity.
* Troubleshoot network outages, latency, packet loss, and connectivity issues.
* Perform network configuration changes in accordance with change-management procedures.
* Maintain network diagrams, IP address documentation, and configuration records.
Aruba Networking
* Configure and manage Aruba switches and wireless access points.
* Configure VLANs, trunk/access ports, LACP, STP, and related switching features.
* Manage Aruba wireless infrastructure, SSIDs, authentication, and access policies.
* Monitor AP health, client connectivity, coverage, and wireless performance.
* Troubleshoot wireless connectivity, roaming, interference, and performance issues.
* Perform firmware upgrades and configuration backups for Aruba devices.
Fortinet Networking
* Configure and maintain Fortinet network and security infrastructure.
* Administer Fortinet switches and wireless access points where deployed.
* Configure VLANs, interfaces, routing, policies, and network connectivity.
* Monitor network and security events.
* Troubleshoot Fortinet AP, switching, and connectivity issues.
* Coordinate with security teams for firewall and network-security requirements.
Switching & Routing
* Configure and troubleshoot managed network switches.
* Manage VLANs, trunking, access ports, STP/RSTP, LACP, and port security.
* Perform basic routing configuration and troubleshooting.
* Manage IP addressing, subnetting, DHCP, DNS, and network connectivity.
* Troubleshoot Layer 2 and Layer 3 network issues.
* Maintain network redundancy and high availability.
Wireless Network Administration
* Deploy and maintain enterprise Wi-Fi infrastructure.
* Configure corporate and guest SSIDs.
* Manage authentication and access control.
* Monitor wireless coverage, capacity, signal strength, and client performance.
* Perform wireless troubleshooting and optimization.
* Conduct site surveys and coordinate AP installation when required.
Network Maintenance
* Perform regular preventive maintenance of network devices.
* Maintain device configurations and configuration backups.
* Perform firmware and software upgrades.
* Monitor device health, CPU, memory, interfaces, and bandwidth utilization.
* Replace faulty switches, APs, cables, SFPs, and other network components.
* Maintain network asset inventory and documentation.
* Coordinate with ISP and hardware/network vendors for issue resolution.
Data Centre Networking
* Support network infrastructure within data-centre environments.
* Maintain switch connectivity for servers, virtualization platforms, storage, and other infrastructure.
* Coordinate with server, storage, security, and data-centre teams.
* Assist with network implementation and infrastructure expansion.
* Follow data-centre change-management and maintenance procedures.
Monitoring & Incident Management
* Monitor network devices and respond to alerts.
* Troubleshoot and resolve network incidents within agreed SLAs.
* Perform root-cause analysis for recurring network problems.
* Escalate complex issues to senior network engineers or vendors.
* Maintain incident, change, and maintenance records.
* Participate in on-call/24x7 support when required.
Required Technical Skills
* Aruba: Aruba switches, Aruba APs, wireless administration.
* Fortinet: Fortinet switching and wireless infrastructure.
* Strong understanding of TCP/IP, VLAN, subnetting, DHCP, DNS, NAT, and routing.
* Switching concepts including STP/RSTP, LACP, trunking, and port security.
* Enterprise Wi-Fi configuration and troubleshooting.
* Network monitoring and troubleshooting tools.
* Basic understanding of firewalls and network security.
* Structured cabling and physical network troubleshooting.
* Good understanding of LAN/WAN infrastructure.
No Referrers Available
There are currently no referrers available for this job. You can still apply, will let you know once there is any referrer available.