Network Manager

Datacentrix; Midrand; On-site; ZAR 900,000 - 1,500,000; Full time

Job summary

Datacentrix is seeking an experienced Network Manager to ensure high availability and reliability of customer networks, driving rapid incident resolution. You will lead a team of Network Engineers and work with Aruba, HP, Cisco and Huawei technologies to meet SLAs and deliver excellent service.

The role is on-site in Midrand and demands strong leadership, design, capacity planning, documentation and reporting, plus collaboration with third-party vendors and service providers to maintain a

Qualifications

• Matric and an IT degree/diploma in Information Technology or related field.
• Relevant industry certifications are required.
• 8–10 years’ experience in network infrastructure and management.
• Proven leadership of a Network Engineers team in a large enterprise.
• Experience managing 50+ WAN links and ISP connectivity.

Responsibilities

• Design, implement and maintain customer network and wireless solutions per standards.
• Manage network hardware: routers, switches and other devices.
• Ensure reliable and resilient connectivity across the customer environment.
• Oversee upgrades of network equipment, hardware and software.
• Perform design, capacity planning and infrastructure optimisation.
• Research network products and industry standards to support procurement.
• Perform backups and recovery to ensure business continuity.
• Monitor and report on network performance with regular statistics.
• Lead and guide the Network Engineering team.
• Coordinate ISP services and connectivity.
• Diagnose incidents and implement corrective actions.
• Develop and maintain technical/network documentation.
• Ensure policy and procedure compliance.
• Escalate unresolved incidents per agreed timelines.
• Compile monthly service statistics and trends.
• Liaise with third-party vendors for seamless support.

Skills

Aruba

HP

Cisco

Huawei

Network design

Troubleshooting

Capacity planning

Documentation

Reporting

Leadership

Vendor management

ISP management

Education

Matric

IT Degree/Diploma

Industry certifications

Tools

LAN/WAN monitoring tools

Job description

Datacentrix is looking for an experienced Network Manager to ensure the highest levels of infrastructure availability, reliability, and resilience, while driving the rapid and effective resolution of network incidents. The role will oversee a team supporting a range of networking technologies, including Aruba, HP, Cisco, and Huawei.

The Network Manager will be responsible for managing, leading, and guiding a technical team of Network Engineers, ensuring that contracted Service Level Agreements (SLAs) are consistently met and that high levels of customer satisfaction are maintained.

On-site role, based in Midrand

Qualifications & Experience Required

• Matric & IT Degree/Diploma in Information Technology, Computer Systems, or a related field.
• Relevant industry certifications.
• 8–10 years’ experience in network infrastructure and management.
• Proven experience in managing and maintaining a network infrastructure environment, preferably within a large and complex enterprise environment.
• Proven experience in managing, leading and guiding a team of Network Engineers.
• Experience managing and supporting a large-scale network environment with 50+ WAN links.
• Strong technical experience across Aruba, HP, Cisco, and Huawei networking technologies.
• Proven experience in network design, troubleshooting, performance monitoring, capacity planning and infrastructure management.
• Experience managing ISP services and internet connectivity.
• Experience working with third-party vendors and service providers.
• Strong technical leadership, problem-solving, documentation and reporting skills.

Key Responsibilities

• Design, implement, and maintain customer network and wireless solutions in accordance with established standards and best practices.
• Manage and maintain network hardware and equipment, including routers, switches and other network devices.
• Ensure reliable and resilient network connectivity across the customer environment.
• Manage and administer network equipment, hardware and software upgrades.
• Perform network design, capacity planning and infrastructure optimisation.
• Research network products, services, protocols and industry standards to support network procurement and development.
• Perform network backups and recovery activities to ensure business continuity.
• Monitor and test network performance and provide regular network performance statistics and reports.
• Lead, manage, and provide technical guidance and support to the Network Engineering team.
• Manage ISP services and internet connectivity.
• Diagnose and troubleshoot network-related incidents and implement appropriate corrective actions.
• Develop and maintain accurate technical and network documentation.
• Ensure compliance with relevant policies, procedures, standards and service requirements.
• Escalate unresolved incidents to the appropriate technical teams or stakeholders within agreed escalation procedures and timelines.
• Compile and provide monthly service statistics, including call volumes, services rendered, corrective actions, failure trends and related service information.
• Liaise and collaborate with third-party vendors and service providers to ensure seamless integration, effective support and timely resolution of technical issues.