Shoprite jobs in South Africa

Purpose

The purpose of the Network Engineer III is to play a specialist role in setting up, developing, and maintaining computer networks within the organisation. This role requires applying in-depth expert level knowledge of technical support to manage, provide user support, troubleshoot and resolve network problems and client queries, and efficiently configure, test, monitor and control the performance, status, and maintenance of computer networks within the organisation. This role will be responsible for managing incidents of high complexity, conduct advanced and complex tasks, provides resolution to a diverse range of network related incidents, maintaining current standards and assist with evolving the computer network environment. The role uses considerable judgment and independent analysis within defined policies and practices and applies analytical thinking and deep technical expertise to achieve the desired outcomes, while coaching and mentoring junior team members across functions.

This role further coordinates and liaises with vendors and internal teams to monitor the installation and integration of network technologies as well as providing support for escalated incident resolutions.

Role Description

1. Maximise network performance by monitoring performance, troubleshooting network problems and outages, scheduling upgrades, ensuring route maintenance and collaborating with service providers.
2. Work closely with Network Architect to develop future networks.
3. Manage multiple small to large-scale technology deployments - Planning activities and projects well in advance and considering possible change circumstances.
4. Contribute to change management process by ensuring that all changes are assessed for their impact on capacity and performance and attending change meetings when appropriate.
5. Assist with capacity management and audit of Distribution Centres and Data Centre Network Infrastructure.
6. Understanding the current usage of the infrastructure and IT services, and the maximum capacity of each component.
7. Analysis of usage and performance data, and reporting on Service and Component performance against targets contained in SLAs.
8. Develop and modify capacity management reports pertaining to the core network infrastructure.
9. Participate in the acceptance, on-boarding and early life support of new services.
10. Support the design, agreement and implementation of the relevant service model standards and processes across all relevant suppliers.
11. Manage and maintain capacity and network management tools (Cisco Catalyst Center, NDFC, SDWAN Orchestrator).
12. Perform failover testing with vendors when required.
13. IP Address Management.

Network equipment monitoring:

1. Ensure that the network equipment deployed is being monitored by all internal monitoring tools and ensure that all vendors adhere to Shoprite monitoring requirements.
2. Work closely with the vendors to ensure that the network setup performs optimally, including the up/down and alert threshold parameter configurations on the network equipment for monitoring purposes.
3. Setup, maintain and enhance link capacity monitoring.
4. Execute configurations and pre-builds for network and data solutions prior to installation, and ensure continuous service on all network services.
5. Identify problems and errors before they impact a user’s service.

Network incident management:

1. Provide technical support on any networking related incidents according to established Service Level Agreements (SLA) and support priority guidelines as set out by the department, and ensure the client is informed within the various support stages.
2. Understand and adhere to the different levels of authority of users and accompanying SLA’s.
3. Assist with network related training and/or guidance for 1st and 2nd line technicians where required.
4. Communicate with other teams and clients for extended support.
5. Incident Management & Technical Support
6. Provide 3rd level support to complex incidents and requests.
7. Provide technical support for queries regarding network services, determining the root cause of the problems, implementing corrective measures, and utilising applicable tools to monitor network performance and prevent further recurrence.
8. Provide on-site and remote troubleshooting and fault finding if problems occur.
9. Conduct data network fault investigations in local and wide area environments using information from multiple sources.
10. Identify and manage or escalate appropriate capacity service risks and issues when they arise.
11. Update tickets with resolution task performed.

Vendor Management:

1. Liaise with and Manage Third Party vendors to perform installations, resolve incidents and perform maintenance or upgrades.
2. Ensure that the vendors comply with the installation standards, including the installation and configuration of network devices as part of rollout projects according to service level agreements.
3. Ensure that vendors efficiently support, resolve, and provide feedback on any escalated incidents/queries regarding network related issues, comms link and switch errors as per agreed standards and service levels.
4. Assist vendors with onsite contacts when required.

Planning and management of network changes:

1. Adhere to Shoprite change management process guidelines to manage network changes, ensuring that documentation is updated with network changes.
2. Apply technical specialist knowledge to properly understand and communicate the impact of changes for the business and users.
3. Ensure changes implemented by vendors are sound and tested thoroughly.

Qualifications & Experience

1. Related IT Qualification.
2. Relevant network infrastructure certificates such as:

• CCNP Enterprise.
• CCNA Wireless.
• CCNA Data Center.
• CCNA Design.
• F5.

• Distribution Centre network topologies.
• Working with Cisco ISE.
• Enterprise Wireless Technologies (Cisco Wireless).
• Working with Cisco Data Centre Networks.
• Enterprise Monitoring.
• Understanding Protocols such as (HTTP/S, DHCP, DNS, SMTP, SNMP, NTP, SSH, FTP and other web-based protocols).
• Enterprise-scale LAN systems (STP, VTP, Port-channel, Trunking, VLANs, VACL’s, Stacking).
• Networking technologies, principles and protocols based on OSI model, TCP/IP, UDP, IP addressing, and MAC addresses etc.
• High Level Understanding of Routing Protocols such as (EIGRP, OSPF and BGP).
• Incident management systems.

• NFA (Network Flow Analysis).
• ITSM platforms.
• Network architecture principles.
• IP Address Management.
• IP Managing Small to Large Scale Projects/Installs.

• Familiar with Service Delivery life cycle.
• Windows / ITIL / Cabling Standards / ITSM (Helix) / Monitoring tools.
• Cisco DNA/Catalyst Center.
• F5/Load balancing technologies.
• Working Cisco ThousandEyes.
• Cisco NDFC.
• VXLAN EVPN Technologies.