Network & Service Operations Engineer

• 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 escalate 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-WAN
  
• Firewalls
  
• VPNs
  
• NAC
  
• Network segmentation
  
• Security monitoring and logging
  
• Enterprise routing & switching
  
• Cloud 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.
  

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