Network Engineer L2

NTT DATA, Inc.; Rustenburg; On-site; ZAR 360,000 - 600,000; Full time

Job summary

NTT DATA, Inc. in Rustenburg is seeking an L2 Network Engineer to support, maintain, and troubleshoot our network infrastructure, working with senior engineers to ensure availability, performance, and security of services.

You will monitor networks, configure devices (routers, switches, WLANs, firewalls), perform basic troubleshooting, manage incidents, and help with upgrades, documentation, and security compliance.

Qualifications

• Bachelor-level IT education or related technical discipline is required.
• Experience in IT or network support is preferred (5–10 years).
• Knowledge of enterprise networking concepts and security fundamentals is advantageous.

Responsibilities

• Monitor network performance and availability using management tools.
• Install, configure, and maintain routers, switches, WLANs, and firewalls.

Skills

TCP/IP

DNS

DHCP

VLANs

Routing & Switching

Network Troubleshooting

Network monitoring tools

Windows Server

Education

Information Technology

Computer Science

Information Systems

Telecommunications

Related technical discipline

Tools

Huawei

Fortinet NSE Associate

CompTIA Network+

Job description

The L2 Network Engineer is responsible for supporting, maintaining, and troubleshooting the organization's network infrastructure. This role provides an excellent opportunity for individuals looking to build a career in networking by gaining hands‑on experience with network equipment, monitoring tools, security technologies, and enterprise IT environments. The successful candidate will work closely with senior engineers to ensure the availability, performance, and security of network services.

Key Roles and Responsibilities

Huawei Network Operations & Support

• Monitor network performance and availability using network management tools.
• Assist with the installation, configuration, and maintenance of network devices, including routers, switches, wireless access points, and firewalls.
• Perform basic network troubleshooting and resolve connectivity issues.
• Escalate complex network incidents to senior engineers when required.
• Support Local Area Networks (LAN), Wireless LAN (WLAN), and Wide Area Networks (WAN).

Incident and Problem Management

• Respond to network‑related incidents and service requests within agreed service levels.
• Investigate root causes of recurring network issues.
• Participate in troubleshooting data, and wireless networking problems.
• Document incidents, resolutions, and troubleshooting procedures.

Network Maintenance

• Assist with software upgrades, patching, and firmware updates for network devices.
• Perform routine health checks and preventative maintenance activities.
• Support network backup and recovery processes.
• Maintain accurate network diagrams and documentation.

Security and Compliance

• Assist in implementing network security controls and standards.
• Monitor firewall logs, network alerts, and security events.
• Ensure compliance with organizational security policies and procedures.
• Support vulnerability assessments and remediation activities.

Project Support

• Assist with network deployment projects and infrastructure upgrades.
• Participate in testing and validating new network solutions.
• Support equipment installations and office/site network rollouts.
• Collaborate with other IT teams including server, cloud, desktop, and cybersecurity teams.
• Stay current with networking technologies and industry best practices.
• Participate in training, certification programs, and technical workshops.
• Develop knowledge of enterprise networking, cloud networking, and cybersecurityfundamentals.

Minimum Qualifications

Education

• Information Technology
• Computer Science
• Information Systems
• Telecommunications
• Related technical discipline

Certifications (Advantageous)

• Huawei
• CompTIA Network+
• Fortinet NSE Associate

Required Technical Skills

• TCP/IP
• DNS
• DHCP
• VLANs
• Routing and Switching
• Network Troubleshooting

Network Technologies

• LAN/WAN technologies
• Wireless networking concepts
• VPN technologies
• Network monitoring tools

Operating Systems

• Windows Server
• Windows 11

Additional Skills

• ITIL
• Microsoft Office Suite
• Understanding of cybersecurity principles
• Strong analytical and problem‑solving skills.
• Excellent verbal and written communication.
• Customer‑service oriented.
• Ability to work independently and as part of a team.
• Attention to detail and accuracy.
• Willingness to learn and adapt to new technologies.
• Ability to work under pressure and manage multiple priorities.

Preferred Experience

• 5-10 years of IT or network support experience.
• Internship, graduate program, or practical networking laboratory experience.
• Exposure to enterprise networking environments.
• Experience with Huawei, Fortinet, or similar technologies is advantageous.
• Key Performance Indicators (KPIs) Incident resolution within SLA targets.
• Network uptime and availability.
• Accuracy of network documentation.
• Successful completion of assigned project tasks.
• Compliance with security and operational standards.
• Completion of technical training and certifications.