Network Specialist

1 week ago

Johannesburg, South Africa NTT Data Full time

**Responsibilities**:

- Day to day Operational administration of network infrastructure, this includes but not limited to.
- Routers, Switches and Wireless infrastructure
- Network and patch rooms and areas.
- Internet Access
- Wide Area Network (WAN) infrastructure and services
- Local Area Networks (LAN) Infrastructure and services
- DMZ, Firewall, VPN, APN and Proxy infrastructure and services
- Fixed infrastructure (Fibre and Ethernet cabling)
- Ensure system performance and service level agreements (SLA) are achieved.
- Effective monitoring of related infrastructure (Network Operations Centre (NOC) Outsourced)
- Work with third party service providers to ensure efficient operations.
- Dealing with users and network related calls daily.
- Effective documentation of areas of responsibility.
- Standard operating procedures (SOP) creation and maintenance
- Creation and maintenance of Architectural drawing for all installations.
- Creation and maintenance of Logical drawings for all Clover related installations within
- area of responsibility.
- Creation and maintenance of standard operating procedures within area of responsibility.
- Project management within area or responsibility (small network projects).

**Requirements**:

- Cisco Certified Network Associate (CCNA)
- 3 to 5 years in an operational role with a strong background on Cisco administration and
- equipment
- 3 to 5 years network infrastructure experience
- 3 to 5 years network operations management
- 3 to 5 years vendor management
- 3 to 5 years understanding of Firewall integration into network services
- In depth knowledge of L2 and L3 routing as well as routing protocols with emphasis on OSPF

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