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 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 What We’re Looking For 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. Qualifications Matric + Tertiary Qualification Cisco CCNP Enterprise Cisco CCNP Security CompTIA Security+