Network Administrator

What you will be doing

• Administration / Engineering of the networking environment: ensure optimal configuration and performance of all network hardware and software.
• Work closely with Infrastructure, Infosec, Dev Ops and Dev teams, actively providing assistance and proactively improving infrastructure to reduce operational costs and complexities.
• Perform maintenance on all relevant networking hardware and log systems for efficient troubleshooting.
• Securely back up all network equipment and configurations to a centralized repository to enable efficient recovery and continuity.
• Ensure effective monitoring is in place with appropriate escalation, continuously monitoring key performance metrics and logging deviations to trigger real-time alerts.
• Configure Pager Duty correctly, maintain standby roster, and adhere to the incident‑management process for production issues.
• Participate in the 24x7 standby rotated weekly.
• Collaborate with cross‑functional teams to ensure optimal configuration and performance of cloud deployments, providing guidance, reviewing deployments, and making cost‑optimisation suggestions.
• Work with Terraform, Azure and AWS networking, maintain vendor relationships, and keep hardware warranties and support contracts up to date.
• Collaborate with the Information Security team to ensure business protection, review changes, and adhere to SOX and ISO 27001 standards.
• Maintain and configure load balancers, and work with other teams to ensure the best configuration for every situation.
• Exposure to Cisco Switches/Routers (IOS/NXOS), Riverbed WAN Acceleration, A10 Networks load balancing, Palo Alto Firewalls (PANOS/ Panorama), Cisco Firewalls – ASA, Extreme Networking wireless controllers, Azure Virtual WAN/NW, Cloudflare Magic Transit, Site
  24x7, Observium and Scrutinizer Netflow analysis.

• Strong verbal and written communication skills, conveying complex ideas clearly.
• Experience collaborating in cross‑functional teams, delivering projects on time and within scope.
• Exceptional attention to detail and the ability to adapt quickly to changing environments and priorities.
• Relevant IT tertiary qualification and a relevant networking certification such as CCNA or equivalent.
• Minimum 4 years of experience in the IT industry.
• Proven understanding of switching, routing, firewall and load balancer technologies and Layer 2/3 networking protocols (VLAN, STP, MACSec, LACP, VRRP, HSRP, EIGRP, OSPF, BGP, IPSEC, NAT, P , SSLVPN).
• Proven knowledge of cloud provider networking.
• Experience configuring and deploying secure networking equipment (switches, routers, firewalls).

• Comprehensive learning and development programmes.
• Employee assistance programme.
• Health and insurance benefits (medical aid, financial services assistance).
• Career growth opportunities and performance feedback tools.

Background checks including credit and criminal record, along with qualifications verification, will be conducted to meet trust and honesty requirements.