Senior Network Engineer

Benefits

Additional Information

We provide meaningful careers that connect people with purpose. We are united by a common purpose of providing the best and safest care; and by our shared values of Care, Truth, Participation, Compassion and Dignity. Netcare invites you to be part of our journey. The Senior Network Engineer: WAN & Security is responsible for the implementation, support, administration, optimisation, and day-to-day operational management of the organisation's branch firewall and secure connectivity environments. The role ensures reliable, secure, and high-performing firewall services that support business operations across distributed branch locations. The incumbent provides advanced technical support for firewall, branch security, and related connectivity services, taking ownership of complex incidents, recurring problems, service improvements, and operational stability. The role acts as the primary escalation point for Network Engineers, while escalating highly complex technical issues, architectural matters, and strategic initiatives to the Network Specialist where required. The Senior Network Engineer is responsible for implementing approved firewall and security designs, executing changes, maintaining standards, and ensuring that firewall policies, configurations, and related services remain aligned to organisational security requirements and operational needs. This role supports branch SD-WAN services, secure internet access, and firewall lifecycle activities, assisting with modernisation initiatives and performance optimisation across the branch estate. The incumbent provides technical guidance and mentorship to Network Engineers, contributing to skills development, operational maturity, documentation quality, and continuous improvement within the Firewall Team. The role works closely with internal IT teams, vendors, service providers, and outsourced teams to ensure seamless branch connectivity into hosted, data centre, and cloud services. This role provides advanced support for, but is not limited to, the following technologies and systems: - Network Security Platforms, including Fortinet solutions - Switching and Infrastructure, including Aruba networks - Routing Technologies, including OSPF and BGP protocols - WAN technologies, including SD WAN and WAN optimisation - Quality of Service (QoS) solutions - Network reticulation and connectivity services - Network and security management, administration, and reporting tools Engineering and Provisioning Implement approved firewall, branch security, and secure connectivity designs across branch environments. Configure, administer, and maintain branch firewall platforms , VPN services, and related security technologies. Apply network security standards, policies, and best practices to ensure environments remain secure and compliant. Produce and maintain accurate technical documentation, including configurations, standards, diagrams, and procedures. Support new branch deployments, relocations, and firewall refresh initiatives. Execute approved changes in accordance with governance and change management processes. Assist with automation opportunities and operational efficiency improvements. Support implementation planning, scheduling, testing, and cutover activities. Operations and Support - Networking & Security Ensure availability, performance, and operational stability of all branch firewall and secure edge services . Monitor firewall health, logs, alerts, performance, and utilisation trends. Investigate and remediate vulnerabilities, policy issues, and configuration risks. Diagnose and resolve complex incidents, outages, and service degradations. Perform root cause analysis for recurring incidents and recommend corrective actions. Provide Tier 2 support , escalating unresolved or high-risk issues to the Network Specialist . Coordinate with ISPs, WAN providers, and vendors to resolve service-impacting issues. Communicate effectively with management and stakeholders during incidents and major changes. Produce operational reports on service availability, incidents, capacity, and security trends. SD‑WAN and Cloud Networking Responsibilities Support deployment and administration of Fortinet SD-WAN solutions across branch environments. Configure and optimise SLA metrics, path selection, routing policies, and application-aware traffic flows. Support secure branch connectivity into hosted, data centre, and cloud services. Assist with bandwidth optimisation and progressive reduction of legacy MPLS reliance where applicable. Monitor SD-WAN performance and recommend improvements. Interface with Information Management Team and IT Technical team to define and create infrastructure services and solutions in line with business requirements. Communicate with hospitals and other divisions to enforce standards and consult when assistance is needed. Interface with 3rd party vendors to ensure operational service delivery is achieved and maintained. Perform operations as part of the tec