Network Engineer - Wadeville, Germiston

Gijima Holdings HR; Johannesburg; On-site; ZAR 200,000 - 300,000; Full time

Job summary

A leading technology services company in Johannesburg is looking for a Level 2 Network Engineer to provide advanced technical support and maintain network infrastructure. The ideal candidate will have 5-7 years of experience in network environments, CCNP certification, and experience with LAN/WAN troubleshooting. Responsibilities include supporting incidents, monitoring network performance, and mentoring junior engineers. This position offers an opportunity to work in a dynamic environment with a dedicated team.

Qualifications

• 5 – 7 years experience in a network environment.
• CCNP certification and additional Cisco specialisations required.
• Experience with firewall administration and network security principles.

Responsibilities

• Provide second-line support for network incidents.
• Monitor network performance and proactively address issues.
• Mentor and support Level 1 engineers.

Skills

Hands-on experience supporting and troubleshooting LAN/WAN environments

Excellent communication skills

Ability to work with people

Ability to adapt and respond to change

Time and priority management

Education

Grade 12 (NQF 4)

Bachelor's degree or Diploma in ICT

Tools

Cisco switches and routers

Fortinet Firewalls

SolarWinds monitoring tools

Job description

Overview

PURPOSE : To provide advanced technical support, maintenance, and implementation of network infrastructure to ensure optimal performance, availability, and security. The Level 2 Network Engineer serves as an escalation point for complex network issues, assists with network projects and upgrades, and contributes to the overall stability and efficiency of the organisation’s IT environment.

FORMAL EDUCATION : Grade 12 (NQF 4)

Bachelor's degree or Diploma qualifications in ICT field will be an advantage.

EXPERIENCE

• 5 – 7 years experience in a network environment
• Hands-on experience supporting and troubleshooting LAN / WAN environments.
• Configuration and maintenance of Cisco / Juniper / HP network switches and routers.
• Experience with firewall administration (e.g. Fortinet, Palo Alto, Cisco ASA).
• VLAN configuration, trunking, spanning tree, and link aggregation (LACP).
• Implementing and managing routing protocols (EIGRP, OSPF, BGP – basic).
• IP addressing, subnetting, DHCP, DNS, and NAT configuration experience.
• Monitoring network performance and availability using tools like SolarWinds, PRTG, or Nagios.
• Troubleshooting network incidents escalated from Level 1 support.
• Supporting remote site connectivity (VPN / IPSec / SSL VPN).
• Basic understanding of network security principles and access controls.
• Documentation of network changes, diagrams, and standard operating procedures.
• Providing after-hours / on-call support for critical incidents.

TECHNICAL / LEGAL CERTIFICATION

• CCNP certified and additional Cisco specialisations.
• Fortinet NSE4 Certified
• Fortinet NSE7 Certified will be an advantage.

RESPONSIBILITIES

• Provide second-line support for network incidents and service requests escalated from Level 1.
• Troubleshoot and resolve LAN, WAN, and wireless network issues.
• Configure and maintain switches, routers, firewalls, and access points.
• Monitor network performance and proactively address potential issues.
• Implement and support routing protocols (EIGRP, OSPF, BGP – basic level).
• Perform network changes, upgrades, and patching in line with change management processes.
• Maintain and update network documentation, diagrams, and inventory.
• Support VPN solutions and remote site connectivity.
• Ensure network security policies, standards, and best practices are applied.
• Assist with planning and implementation of new network projects.
• Coordinate with vendors for hardware replacements and technical support.
• Provide after-hours / on-call support as required for critical network issues.
• Mentor and support Level 1 engineers to build team capability.

KEY COMPETENCIES

• Excellent communication skills and ability to impart knowledge and communicate complex information in a simple manner.
• Quality management - Ensures quality service delivery in accordance with standards as communicated
• Research skills - Is able to collect and gather information in an efficient manner
• Time and priority management - Is able to plan work so that maximum efficiency is obtained
• Continuously structures work in an organised and effective manner
• Able to prioritise the workload in order of importance in an efficient and organised manner
• Delivering Results and Meeting customer Expectations
• Ability to work with people (team work)
• Ability to relate and network with people
• Ability to adapt and respond to change
• Ability to cope with pressures and setbacks
• Ability to communicate and present information
• Ability to analyse and interpret information