Network & Service Operations Engineer

Sabenza IT & Recruitment; Umhlanga Rocks; On-site; ZAR 900,000 - 1,200,000; Full time

Job summary

Sabenza IT & Recruitment is seeking an experienced Network & Service Operations Engineer to lead hands-on enterprise network and security operations. You will manage critical infrastructure, drive incident response and coordinate vendors to restore services quickly.

In this role you will optimise WAN/SD-WAN, firewall and VPN deployments, monitor security events, and produce design documents and risk registers for governance and reporting to executives.

Qualifications

• 5+ years’ experience in Network Security Engineering in large enterprise environments.
• Hands-on expertise with firewalls, VPNs, and NAC technologies.
• Experience leading P1/critical incidents and incident management.
• Ability to coordinate multiple vendors and providers.
• Experience producing LLDs and security standards documentation.

Responsibilities

• Support enterprise WAN and SD-WAN environments.
• Manage firewalls, VPNs, and NAC technologies.
• Monitor network security events, logs and traffic.
• Lead P1 and critical incidents and drive restoration.
• Coordinate vendors and managed service providers.
• Develop LLDs, implementation plans and risk registers.
• Provide updates to technical teams and executives.

Skills

Firewalls

VPNs

NAC

Security monitoring

Routing & switching

Incident management

Vendor management

LLDs

Network security standards

Change plans

Job description

We are looking for an experienced Network & Service Operations Engineer to take a hands-on leadership role in enterprise network and security operations. You’ll be responsible for keeping critical infrastructure secure, resilient and available while leading high-priority incidents, coordinating technology vendors and driving service restoration across complex enterprise environments.

What You’ll Be Doing

• Support and optimise enterprise WAN and SD-WAN environments.
  
• Manage firewalls, VPNs, secure remote access and NAC technologies.
  
• Monitor network security events, logs and suspicious traffic.
  
• Support cloud connectivity and hybrid network environments.
  
• Conduct firewall ruleset, network segmentation, VPN and security-hardening reviews.
  
• Identify security vulnerabilities, risks and control gaps and recommend improvements.
  
• Implement firewall policies, security changes and network segmentation.
  
• Coordinate SD-WAN security deployments and network/security changes.
  
• Lead and coordinate P1 and critical incidents, driving rapid service restoration.
  
• Provide clear, structured updates to technical teams, business stakeholders and executives.
  
• Support root-cause analysis and post-incident reviews.
  
• Coordinate multiple technology vendors and managed service providers.
  
• Monitor vendor performance and escallate technical or service issues when required.
  
• Develop Low-Level Designs (LLDs), implementation plans, risk registers and technical documentation.
  
• Support network standards, governance, service assurance and operational reporting.
  

Requirements

What We’re Looking For

• 5+ years’ experience in Network Security Engineering, ideally within large enterprise environments.
  
• Strong hands-on experience with:
  
• Firewalls
  
• VPNs
  
• NAC
  
• Security monitoring and logging
  
• Enterprise routing & switching
  
• Proven experience supporting or leading P1/critical incidents.
  
• Experience working with multiple vendors and managed service providers.
  
• Strong understanding of incident management, service assurance and operational governance.
  
• Ability to provide technical direction and remain composed during high-pressure incidents.
  
• Strong stakeholder communication and vendor-management skills.
  
• Experience producing LLDs, network/security standards, change plans and risk documentation.