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Network Administrator
2 weeks ago
Manages the installation, securing, repair/troubleshooting, and maintenance of LAN and WAN environments, overseeing the implementation of data and network security.
Adheres to the organization's policies, procedures, and documentation requirements (i.e., Change Control, etc.).
Establishes network specifications by conferring with users, and analyzing workflow, access, information, and security requirements.
Day-to-day administration of firewalls, switches, and routers, including interface configuration and routing protocols.
Evaluating network performance issues including availability, utilization, throughput, and latency.
Planning and executing the selection, installation, configuration, and testing of equipment; defining network policies and procedures.
Establishing connections and updating the firewall access list.
Maintains network performance by performing network monitoring and analysis, and performance tuning; troubleshooting network problems; and escalating problems to vendors.
Assists with and oversees the management of user access and maintaining related records.
Secures network by developing network access, monitoring, control, and evaluation, and maintaining documentation.
Assists with and oversees the Data Centre operations and environment.
Providing technical support to employees and 3rd Parties.
Assists in overseeing the organization and operation of the Network Operations Centre (e.g., monitoring temperature organizing materials, ensuring availability of materials, etc.) to ensure efficient operations.
Research trends, products, equipment, tests, etc. to recommend procedures and/or purchases.
Upgrades network by conferring with vendors; developing, testing, evaluating, and installing enhancements.
Matric or equivalent qualification recognized by the Department of Higher Education & Training.
A national diploma or degree in a relevant field will be an advantage.
Any network qualification (i.e., CCNA, CCNP, Arista ACE, Fortinet) would be an advantage.
Minimum of 3-5 years working experience in a Network Administration role.
Strong knowledge and experience of Fortinet firewall technologies.
Strong knowledge and experience of Arista switch technologies.
Strong knowledge of Windows operating system: Knowledge of Windows interoperability with LAN
Microsoft Windows Servers 2016/2019
Microsoft Office 365
TCP/IP, DNS, DHCP, Subnetting, IPv4, IPv6, VPNv4
Knowledge of Security, Patch maintenance process on LAN environments: VLANs, switch access, IDS, IPS
Network monitoring - NETFLOW, SNMP, IPSLA.
Excellent understanding of Service Provider and
Enterprise Architecture:
Experience implementing QoS, VPN, MPLS, and SD-WAN.
Configuration of OSPF, ISIS, BGP, MPLS, and TE protocols
Routing protocols RIP, OSPF, EIGRP, BGP, IS-IS, MP-BGP, MPLS, TE protocols.
LAN Technologies - VLANS, STP, VTP, Port Security, PBR (Policy Based Routing)
VPN:
GRE / IPSec / DMVPN / MPLS / VRFs/ LDP/RSVP-TE/ L2 VPNs
Between - 5 Years
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