IT Systems/ Network Administrator

1 week ago

Johannesburg, South Africa CareerfinderZA Full time

Key Performance Area:
Ensure stable and reliable ISP network services (e.g., access products, service networks and core networks) via day-to-day network performance monitoring.
Network troubleshooting and fault analysis; hardware troubleshooting and replacement/repair.
Trouble ticket generation and response; carrier interface and escalations.
Deployment and maintenance of network monitoring, analysis and reporting tools.
Application of configuration changes via our processes.
Installation of network hardware and software.

Minimum Requirements:
Experience of working on network equipment in an ISP environment, a large NOC or other such company associated with networking.
Experience with Mikrotik CCR and Cisco are very relevant.
CCNP certified or equivalent level of knowledge with relevant 3-5-year experience.
Good understanding of the following technologies: IP Protocols (ICMP, UDP, TCP); IP filtering and firewalling; Routing Protocols (BGP, OSPF, ISIS); Quality of Service; Ethernet (STP, RSTP,.1q VLANs, QinQ).
Good working knowledge of BRAS / LNS / L2TP / PPPoE.
Basic understanding of AAA platforms such as Radius and/or TACACS.
Familiar working in a data centre environment.
Knowledge fibre optics and WDM systems and cabling structures.
Basic Linux/UNIX skills ideal.
Able to analyse problems and conduct effective fault diagnosis and system recovery.
Clear communicator (written and verbal).
Capable of prioritising and managing own workload.
Self-motivated.
Capable of working/using own initiative with mínimal supervision.
Keen to contribute ideas, share knowledge and help others develop.
Interest in leading edge technologies. Keen to develop own skills and knowledge.

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