Network Security Administrator

About the role

The Senior Engineer, Network Operations provides technical expertise in managing LAN/WAN networks and is responsible for implementing, supporting and evaluating network infrastructure. The role leads testing, quality assurance, configuration, installation and support so that network services are delivered seamlessly and on time, working closely with the team and taking part in day-to-day operations. It also supports network-related activities linked to mergers and acquisitions as needed.

Key responsibilities

• Collaborate with network team members and business stakeholders to define requirements, resolve technical challenges and ensure reliable network operation.
• Implement and enhance network services and infrastructure, and evaluate and optimise existing systems and processes.
• Create and maintain documentation of configurations, systems, services and processes.
• Coordinate and run in-depth testing, including end-user reviews, of new and modified systems.
• Monitor network performance and deliver performance statistics and reports.
• Support, maintain and optimise the global Cisco ISE and Cisco SD-WAN deployments.
• Partner with subject matter experts to support and optimise global Palo Alto deployments, including on-premises firewalls and Prisma Access SASE.
• Resolve incidents, fulfil service requests and share knowledge across the team.
• Support network-related integration, transition and operational activities for M&A, and perform other duties as assigned.

Required profile

• Bachelor's degree in Information Technology, Computer Science, Cybersecurity or a related field preferred; equivalent professional experience may be considered.
• Typically 5-10 years of experience supporting enterprise network infrastructure and network security.
• Experience administering LAN/WAN environments in a global or distributed organisation.
• Experience with manufacturing, OT or geographically distributed environments is a plus; experience with M&A or large infrastructure transitions is preferred.

Required skills

• Cisco networking, Cisco ISE, SD-WAN, Palo Alto firewalls and Prisma Access strongly preferred.
• Network access control, firewall administration, VPNs, routing, switching, segmentation and secure remote access.
• Cisco CCNP certification preferred; Palo Alto certification a plus.
• Excellent communication, planning, organisational and teamwork skills.