Senior Wireless Network Engineer – Managed Services (L3)

NTT Ltd.; Cape Town; Hybrid; ZAR 600,000 - 1,000,000; Full time

Job summary

NTT DATA is seeking a Networking Managed Services Engineer (L3) to lead advanced network incidents, design secure enterprise WLAN networks, and mentor junior staff. The role emphasizes proactive problem solving, collaboration with vendors, and continuous improvement through automation.

Hybrid working with onsite support and field engineering for client environments. Relevant certifications (CCNP Enterprise, CWNA/CWAP) and strong security focus are required to ensure top-tier service delivery.

Qualifications

• Must be able to build secure networks for enterprise applications and troubleshoot network configuration.
• Experience with network security and incident response preferred.
• CCNP Enterprise is essential; CCIE Enterprise/Wireless is advantageous.

Responsibilities

• Provide test automation and technical support for network or VPN.
• Manage onsite technical support and field engineering services.
• Collaborate with third-party vendors for escalation and project delivery.
• Develop and maintain network diagrams and documentation.
• Contribute to automation efforts to reduce manual tasks.
• Perform security audits and oversee network security posture.

Skills

CCNP Enterprise

CWAP

CWNA

CCIE Enterprise or Wireless

Cisco Firewalls and Routers

ISE authentication methods

LAN/WLAN security

OSPF/EIGRP/RIP routing

WLC/Aruba/Meraki device management

RF Spectrum Analysis

LAN/WAN network design

Education

Diploma, degree or relevant qualification in IT/Computing

Tools

LogicMonitor

Prometheus

Grafana

NETSCOUT

ServiceNow

Xurrent

Infoblox

Fortinet NSE

Job description

NTT DATA is seeking a Networking Managed Services Engineer (L3) to lead advanced network incidents, design secure enterprise WLAN networks, and mentor junior staff. The role emphasizes proactive problem solving, collaboration with vendors, and continuous improvement through automation.

Hybrid working with onsite support and field engineering for client environments. Relevant certifications (CCNP Enterprise, CWNA/CWAP) and strong security focus are required to ensure top-tier service delivery.