Network and Security Specialist

Network operations and connectivity 

• Operate, maintain and improve global LAN, WAN, SD-WAN, Wi-Fi, internet, VPN, DNS, DHCP, routing and switching services.
• Monitor network availability, capacity, latency and performance; identify degradation early and coordinate corrective action.
• Troubleshoot complex connectivity issues across sites, cloud environments, remote users and third-party services.
• Plan and deliver approved installations, upgrades, replacements, renewals and decommissioning activities.
• Support site openings, relocations and infrastructure changes with clear technical designs and acceptance criteria.

Network security 

• Administer and improve firewalls, secure remote access, network segmentation, access-control policies and security connectivity.
• Apply approved security baselines, hardening standards, firmware updates and vulnerability remediation across network platforms.
• Review security alerts and network events, support incident response and preserve relevant technical evidence.
• Work with the Security team to address risks, audit findings and compliance requirements without compromising service continuity.
• Maintain least-privilege administrative access and ensure privileged changes are traceable and approved

Operational control and service management 

• Own and resolve network-related incidents, service requests, problems and changes in the IT service management platform.
• Perform root-cause analysis for recurring incidents and drive corrective and preventive actions through to closure.
• Ensure production changes include risk assessment, testing, rollback planning, stakeholder communication and post-change validation.
• Coordinate vendors and service providers, challenge delivery quality and ensure clear accountability for restoration and improvement.
• Participate in planned maintenance and major-incident support when required across global time zones.

Architecture, standards and documentation 

• Maintain network diagrams, IP plans, firewall documentation, configuration standards, inventories, support procedures and recovery runbooks.
• Ensure configuration and asset records remain accurate throughout the technology lifecycle.Contribute to network architecture, lifecycle roadmaps, technology evaluations and security-by-design decisions.Standardise repeatable solutions across Piab sites while allowing documented exceptions where business requirements justify them.Ensure operational handovers include ownership, monitoring, support model, documentation and acceptance criteria.

Automation, optimisation and continuous improvement

• Identify opportunities to automate health checks, configuration validation, reporting, alert handling and recurring operational tasks.
• Use relevant scripting or infrastructure-as-code methods to improve consistency, speed and auditability.
• Reduce technical debt, unsupported configurations, recurring incidents and unnecessary supplier cost.
• Provide practical recommendations based on service data, operational risk and business impact.
• Share knowledge and strengthen network and security capability across the wider IT Operations team.

Requirements

• Proven hands-on experience operating enterprise networks in a business-critical and geographically distributed environment.
• Strong practical knowledge of TCP/IP, DNS, DHCP, VLANs, routing, switching, Wi-Fi, VPN, NAT, QoS and network troubleshooting.
• Hands-on experience with enterprise firewalls, secure remote access, segmentation, access controls and network-security monitoring.
• Experience with cloud networking, including Microsoft Azure connectivity, virtual networks, routing and hybrid infrastructure.
• Ability to analyse packet flows, logs, performance data and configuration to isolate complex faults methodically.

• Working knowledge of vulnerability remediation, patching, hardening, incident response and audit evidence.
• Experience with ITIL-aligned incident, problem, change, request and configuration-management processes.
• Clear professional English and the ability to work effectively across countries, cultures, suppliers and time zones.
• Bachelor's degree in information technology, computer science, engineering or equivalent practical experience.
• Relevant certifications such as Cisco CCNA/CCNP, Fortinet NSE/FCP, Palo Alto PCNSA/PCNSE, Microsoft Azure Network Engineer Associate, ITIL or equivalent.
• Experience with SD-WAN, Zscaler or comparable secure-access technologies, network automation and configuration management.
• Experience in a global organisation with outsourced, partner-delivered or multi-vendor IT services.