An exciting vacancy exists in Sandringham for a Senior Engineer: IT Network.

Key Job Responsibility

• Applies complex design principles and methodology to ensure cost-effective and optimal use of resources and technology without jeopardizing network integrity.
• Maximizing network performance (LAN, WAN, Wireless & remote connectivity - VPN Technologies) by monitoring performance, troubleshooting network problems and outages, scheduling upgrades and collaborating with network architects on network optimisation; this involves escalation of issues to contracted Service provider.
• Remote access support, troubleshooting and fault finding of on-site engineers and end users
• Resolve incidents and fulfill service requests using a service management ticket tool and change management processes.
• Perform daily system monitoring, verifying the integrity and availability of all hardware, server, switches, routers, Wi-Fi systems and key processes.
• The configuration and installation of hosted VoIP, UC and Video Conferencing solutions, wireless design, bandwidth optimization and WAN acceleration tools.
• Troubleshoot network issues and configure network infrastructure equipment including routers, switches, firewalls, load balancers and other data network infrastructure
• Develop, maintain and respond to network alerts to monitor performance, availability and security.
• Mentor other network engineers within the network environment.
• Participate in the development of network architecture.
• Implement and monitor redundant network links for critical sites and perform regular tests of backup links to ensure business continuity
• Manage and monitor systems to ensure high availability and disaster recovery solutions.
• Ensure the DR site and production site are 100% synchronized.
• Perform capacity planning on the network by monitoring and analysing performance.
• Perform regular security monitoring to identify any possible intrusions and virus monitoring
• Manage firewall and security policy rules in line with business requirements.
• Apply security patches and upgrades as required to production and DR site.
• Provide input into the development of IT processes and policies.
• Conduct risk management within own area
• Contribute in the development of technology roadmaps.

Minimum requirements & key competency

• Min NQF Level 6 / Degree in Information Technology
• CCNP (Cisco Certified Network Professional)
• ITIL Foundation – desirable.
• COBIT certificate – desirable
• Minimum of 6 - 7 years’ experience supporting production network infrastructure
• In depth implementation and troubleshooting experience of networks using concepts/protocols such as BGP, OSPF, EIGRP, IS-IS, MPLS VPNs and emerging concepts such as Software Defined Networking.
• Experience with LAN and datacenter technologies such as Ethernet, Spanning Tree Protocol, First Hop Redundancy protocols.
• Experience in VoiP technologies.
• Possess experience implementing complex switch configurations including STP, VSS, FHRP, VPC, FEX, etc.
• Demonstrated in-depth knowledge of LAN/WAN support and design for voice, data and video networks at Access, Aggregation, and Core network locations.
• Leverage tcp dump, wireshark, Embedded Packet Capture, and Ethanalyzer.
• Perform complex traffic engineering involving policy maps/route maps/class maps.
• Demonstrate knowledge and experience in implementing and administering complex firewall configurations.

Ref: JHB005069/SM