Network & Service Operations Engineer

Sabenza IT & Recruitment; Durban North; On-site; ZAR 900,000 - 1,300,000; Full time

Job summary

Sabenza IT & Recruitment in Durban North, South Africa, seeks a hands-on Network & Service Operations Engineer Lead to drive enterprise network and security operations, manage high-priority incidents, and coordinate vendors.

You will optimise WAN/SD-WAN, firewalls, VPNs, NAC, and cloud connectivity, deliver LLDs, risk registers, and technical documentation, while providing clear updates to stakeholders.

Qualifications

• 5+ years in Network Security Engineering in large enterprise environments.
• Hands-on with WAN/SD-WAN, firewalls, VPNs, NAC, segmentation, monitoring.
• Experience leading P1/critical incidents.
• Experience working with multiple vendors and MSPs.
• Strong incident management and governance

Responsibilities

• 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 MSPs.
• Monitor vendor performance and escalated 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.

Skills

Enterprise WAN

SD-WAN

Firewalls

VPNs

NAC

Network segmentation

Security monitoring

Incident management

Vendor management

LLDs & documentation

Education

Matric + Tertiary Qualification

Cisco CCNP Enterprise

Cisco CCNP Security

CompTIA Security+

Job description

Network & Service Operations Engineer Lead. Secure. Restore. Optimise.

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 escalated 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

• 5+ years' experience in Network Security Engineering, ideally within large enterprise environments.
• Strong hands-on experience with:Enterprise WAN / SD-WANFirewallsVPNsNACNetwork segmentationSecurity monitoring and loggingEnterprise routing & switchingCloud connectivity
• 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.

Qualifications

• Matric + Tertiary Qualification
• Cisco CCNP Enterprise
• Cisco CCNP Security
• CompTIA Security+