Job Summary:
This role is responsible for supporting the operation, implementation, optimization, and maintenance of the Core IP network infrastructure, ensuring high availability, security, and performance. The successful candidate will participate in network operations, project implementations, troubleshooting, and continuous improvement while supporting the growth of the Core IP network.
Key Duties & Responsibilities
Participate in the operation and maintenance of the Core IP infrastructure, including wired, wireless, optical, and Datacenter network infrastructure. Support network design and implementation for enterprise and client networks
Maintain high availability and security of the Core IP network to ensure operation within defined performance thresholds.
Perform Level 2/Level 3 troubleshooting and support incident resolution within agreed SLAs.
Collaborate with vendors and internal stakeholders during network upgrades, expansions, migrations, and change implementation activities.
Maintain accurate documentation of network configurations, topology, and implemented changes. Perform any other duties assigned by management as required for the role
Monitoring of Data Centre components to ensure maximums are adhered to (electrical systems, cooling and rack connectivity)
Requirements
Experience, Education and/or Professional Qualifications
Bachelor's degree in electrical/Electronics/Telecommunications/Network/Computer Engineering (or equivalent)
IP Certification, preferably from Cisco on CCNA level equivalent or above.
A minimum of 3 or 4 years of experience in Core Network
Experience working within any of ISPs, Carriers, or Datacenter environments
Strong written and oral communications skills in English
Essential Skills / knowledge / Traits
Hands-on experience in the design and operation of LAN/WAN technology including TCP/IP (routers, configuration and setup), Security (firewalls - Cisco, Juniper, Barracuda), Network management (switches, hubs, fiber-optic, cabling, packet sniffing)
Strong knowledge in Router, Catalyst, Load Balancer, Firewall, Security, Internet Connection, EIGRP, OSPF, BGP4, VPN, Frame Relay, TCP/IP, LAN/ WAN, VLAN, Spanning Tree, Ethereal
Knowledge in Unix/ Linux, Shell script
Experience with last mile access solutions for different environments (DSL, microwave radio, PTP and PTMP radio, fibre etc.)
Strong written and oral communications skills in English
Willing to perform work or provide support outside office hours
Highly motivated and resourceful
Must be a team player and be able to prioritise different requests and requirements.
Hand-on design and operation of network like BGP and MPLS
Desirable Skills / knowledge / Traits
Previous experience working within an ISP, Carrier provider, Data Center is a plus
Experience in liaising with Regional IP Registry (APNIC, RIPE, AfriNIC etc)
Project management knowledge is a plus (not compulsory but desirable)
Knowledge of IDS, QoS, Video/ Streaming Protocols structured cabling and VoIP