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Network Operations Monitor network availability, performance, and capacityPerform routine maintenance, upgrades, and patchingConfigure and manage Cisco routers and switchesMaintain LAN, WAN, Wi-Fi, and VPN connectivity Configuration & Administration Configure VLANs, trunking, and IP addressing schemesManage routing protocols (OSPF, EIGRP – basic to intermediate level)Administer DHCP, DNS, and IP managementMaintain configuration backups and version controlUser & Service Support Provide 1st and 2nd line network supportTroubleshoot connectivity issues (LAN, Wi-Fi, VPN, internet and VoIP)Support service desk in resolving network-related incidentsAssist in onboarding of new systems and usersIncident & Problem Management Log, track, and resolve incidents within SLAPerform root cause analysis for recurring issuesEscalate complex issues to Network Engineers or vendorsParticipate in major incident resolution processesSecurity Administration Apply firmware updates and security patchesConfigure basic firewall rules (Cisco ASA / FortiGate)Monitor network for anomalies and vulnerabilitiesSupport compliance with IT security policies and standardsMonitoring & Reporting Use monitoring tools (e.g., SolarWinds, PRTG, CheckMK)Generate network performance and availability reportsProactively identify and resolve performance degradationDocumentation Maintain network diagrams and topology documentationUpdate configuration records and asset registersDevelop and maintain SOPs and operational proceduresSkills & Competencies Core Networking Skills
TCP/IP, subnetting, DNS, DHCPVLANs, STP, trunkingRouting fundamentals (OSPF, EIGRP)Cisco Technologies Cisco IOS configuration and troubleshootingCisco Catalyst switching (Layer 2 / Layer 3)Basic Cisco router configurationExposure to Cisco wireless solutions (WLC – advantageous)Network Security Basic firewall configuration (ACLs, NAT)VPN technologies (site-to-site, remote access)Understanding of network segmentation and access controlConnectivity & WAN MPLS, broadband, DIA circuitsVPN connectivity and failover mechanismsBasic QoS conceptsMonitoring & Tools Network monitoring platforms (SolarWinds, PRTG, CheckMK)Log analysis and troubleshooting toolsPacket capture basics (Wireshark – advantageous)Soft Skills Strong troubleshooting and analytical thinkingAttention to detailGood communication and user support skillsAbility to work under pressure in incident situations
Minimum (Relevant Degree / Diploma in IT, Networking, or Engineering)
Cisco Certified Network Associate (CCNA)Advanced / Advantageous Cisco Certified Network Professional (CCNP Enterprise)Experience C2 Level (Senior Network Administrator)5–8 years’ experience in enterprise environmentsProven ability to:
MPLS and multi-site connectivityFirewall and WAN failover configurationsSupporting DR/BCP environmentsStrong vendor engagement (ISPs, Cisco partners
Note: Only shortlisted candidates are contacted.
Monthly based
Worldwide
Johannesburg
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