Senior Network Engineer

Fnz; Johannesburg; On-site; ZAR 600,000 - 900,000; Full time

Job summary

A leading company in wealth management is seeking a Senior Network Engineer to provide high-quality network management support. The role involves ensuring the performance and security of data centers and cloud platforms, with responsibilities including design, monitoring, and project implementation.

Qualifications

• 5+ years in campus networks, data center LAN, firewalls.
• Cloud networking support experience.

Responsibilities

• Ensure network environments are designed for resilience and availability.
• Monitor network performance and suggest improvements.
• Maintain network security and conduct risk assessments.

Skills

Network Management

Information Security

Communication

Problem Solving

Project Implementation

Education

Degree or equivalent industry certifications

CCNP certifications

Tools

Cisco

F5

Checkpoint

Fortinet

Solarwinds

VMware

Microsoft

Linux

Azure

AWS

Job description

Job Title

Senior Network Engineer

Location

Johannesburg

Reports to

Head of Cloud Infrastructure Management

Role Description

This technical role is responsible for providing high-quality and timely network management support to ensure the availability, stability, and performance of data centers, cloud platforms, and corporate systems.

Key Responsibilities

1. Network Management
2. Cloud, On-premises, Hybrid

Organisational Design

This position is part of the CIO department and reports to the regional Head of Cloud Infrastructure Management.

Specific Role Responsibilities

• Design: Ensure network environments are designed according to best practice standards for resilience and availability to maintain high SLAs.
• Availability: Meet uptime SLAs monthly by managing issue logs, performing scheduled maintenance, and minimizing disruptions.
• Performance: Monitor network performance, capacity, and growth; suggest and implement improvements to meet performance SLAs.
• Information Security: Maintain network security by following policies, implementing controls, conducting risk assessments, and documenting for audits.
• Business Continuity: Ensure backups are performed and tested; participate in BCP & DR tests; keep documentation up-to-date.
• Training: Develop technical skills and mentor team members.
• Project Work: Implement projects within timelines, collaborating with multinational teams.
• Budget: Recommend cost-saving measures in your areas of responsibility.

Experience and Qualifications

• Degree or equivalent industry certifications and relevant experience.
• CCNP certifications; F5 XC advantageous.

Network management experience supporting:

• 5+ years in campus networks, data center LAN, firewalls.
• Cloud networking support.
• Familiarity with Cloud, LAN, WAN, WLAN, SAN, VoIP networks.
• Subnetting, routing protocols, network redundancy, load balancing, BGP.
• Network security, access control, telephony, management tools, documentation, performance, patching, VPNs, network hardening, hypervisor networking.

Key Technologies

• Cisco, F5, Checkpoint, Fortinet, Solarwinds, VMware, Microsoft, Linux, Azure, AWS.

Attributes

• Interest in latest technologies, project implementation success, teamwork, independence, initiative, change management.
• Excellent communication, problem-solving, adaptability, prioritization in high-pressure environments.

About FNZ

FNZ is committed to making wealth management accessible to all, providing a global platform that integrates modern technology with business operations within a regulated financial environment. We serve over 650 financial institutions and 12,000 wealth managers, managing US$1.5 trillion in assets, helping over 20 million people worldwide to invest in their future.