Senior Data Center Facilities Technician

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

Network Infrastructure Technician

Location: Centurion, Gauteng

About the Role

Our client, a rapidly expanding technology services company, is seeking a meticulous and technically adept Network Infrastructure Technician to join their cutting‑edge operations in Centurion, Gauteng. This position is critical for the installation, maintenance, and troubleshooting of the company's high‑performance data centre network infrastructure. The successful candidate will be responsible for ensuring the uptime, reliability, and security of complex network systems, including cabling, switches, routers, and firewalls. You will work within a fast‑paced, demanding environment, collaborating with a team of IT professionals to support critical business operations. This is an exceptional opportunity for a motivated individual to advance their career in network engineering and data centre management, working with the latest technologies. Our client values precision, efficiency, and a commitment to best practices in network operations.

Key Responsibilities

• Install, terminate, test, and certify structured cabling systems (copper and fiber optic) within data center environments.
• Deploy, configure, and manage network hardware, including switches, routers, firewalls, and wireless access points.
• Perform routine maintenance, troubleshooting, and diagnostics on network infrastructure to ensure optimal performance and minimize downtime.
• Monitor network traffic and system performance using specialized tools, identifying and resolving potential issues proactively.
• Respond to network incidents and outages, performing timely root cause analysis and implementing corrective actions.
• Maintain accurate documentation of network configurations, cabling layouts, and inventory management.
• Ensure adherence to network security policies and best practices, including physical security of network equipment.
• Collaborate with senior network engineers and IT support teams on network upgrades and projects.
• Assist in the planning and implementation of network changes and deployments.
• Adhere to strict safety procedures and company protocols within the data center facility in Centurion.

Requirements

• Proven experience as a Network Technician or in a similar IT infrastructure support role, preferably in a data center environment.
• Strong understanding of network protocols (TCP/IP, DNS, DHCP, VLANs) and network topologies.
• Hands‑on experience with network hardware installation, configuration, and troubleshooting (e.g., Cisco, Juniper, HP).
• Proficiency in structured cabling standards and fiber optic technologies.
• Experience with network monitoring tools (e.g., Nagios, Zabbix, SolarWinds).
• Knowledge of network security principles and firewall management is a plus.
• Excellent analytical and problem‑solving skills, with a methodical approach to troubleshooting.
• Strong communication and documentation skills, with attention to detail.
• Must possess a valid driver's license for potential site visits within Gauteng.
• Relevant certifications such as CompTIA Network+, CCNA, or equivalent are highly desirable.

Benefits

Our client offers a highly competitive salary and a comprehensive benefits package. This includes medical aid, retirement savings plan, and life insurance. Performance‑based bonuses and opportunities for professional development and certification training. Generous annual leave allowance. Access to cutting‑edge technology and a dynamic, supportive team environment. Our client also provides allowances for work‑related travel and ensures all necessary tools and equipment are available. This position is based in Centurion, offering a significant opportunity to contribute to a leading technology infrastructure provider.