Senior Data Center Network Technician – Centurion

NTT DATA, Inc.; South Africa; On-site; ZAR 360,000 - 540,000; Full time

Benefits offered by this job

Medical aid

Retirement plan

Life insurance

Performance bonuses

Annual leave

Training & certification

Travel allowances

Tools & equipment provided

Job summary

NTT DATA, Inc. in Centurion, Gauteng is seeking a Network Infrastructure Technician to install, maintain, and troubleshoot the data center network.

You will work with switches, routers, firewalls, and cabling, ensuring uptime, security, and optimal performance in a fast-paced environment. You’ll join a team of IT professionals, monitor networks with tools like Nagios and SolarWinds, and document configurations.

Qualifications

• Experience in data center IT infrastructure support.
• Proficient in TCP/IP, DNS, DHCP, VLANs and network topologies.
• Hands-on installation and troubleshooting of network hardware.
• Familiar with network monitoring tools such as Nagios, Zabbix or SolarWinds.
• Valid driver’s license for site visits within Gauteng.
• Certifications: CompTIA Network+ or CCNA preferred.

Responsibilities

• Install and certify structured cabling (copper and fiber) in data center environments.
• Deploy, configure, and manage switches, routers, firewalls, and access points.
• Perform maintenance, troubleshooting, and diagnostics to minimize downtime.
• Monitor traffic and performance using specialized tools and fix issues proactively.
• Document configurations, cabling layouts, and inventory records.
• Assist in network changes planning and upgrades.
• Ensure adherence to security policies and physical security.

Skills

Analytical thinking

Communication

Problem solving

Education

CCNA

CompTIA Network+

Tools

Cisco hardware

Juniper devices

HP networking gear

Nagios

Zabbix

SolarWinds

Job description

NTT DATA, Inc. in Centurion, Gauteng is seeking a Network Infrastructure Technician to install, maintain, and troubleshoot the data center network.

You will work with switches, routers, firewalls, and cabling, ensuring uptime, security, and optimal performance in a fast-paced environment. You’ll join a team of IT professionals, monitor networks with tools like Nagios and SolarWinds, and document configurations.