Senior Network Operations Support Engineer freelance hybrid, London, UK
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Job Summary
Reports to Head of Data Centre and Network Services.
- Provide 24/7 operational support leading incident response root cause analysis and permanent remediation across enterprise and data centre networks.
- Troubleshoot complex L2L7 issues across routing switching Palo Alto/ Fortinet firewalls Cisco ACI and hybrid cloud connectivity.
- Manage network and firewall changes end-to-end including risk assessment rollback planning and documentation.
- Monitor and optimise network health capacity and performance; drive continuous improvement of tooling dashboards and automation.
- Collaborate with engineering architecture and cybersecurity teams to support new deployments and enforce security standards.
- Maintain operational documentation ensure regulatory compliance and report on availability metrics and KPIs.
- Coordinate with vendors telcos and internal stakeholders on fault resolution and SLA management.
Requirements
812 years in enterprise/data centre network operations.
Strong L2L7 troubleshooting skills: BGP OSPF EIGRP QoS WAN MPLS SD-WAN.
Hands-on experience with Cisco ACI Palo Alto (Panorama) and Fortinet (FortiManager/FortiAnalyzer).
Python and Ansible automation skills for operational workflows and API-driven tasks.
Familiarity with AWS/Azure networking and hybrid cloud environments.
Experience in regulated industries with strong change governance and compliance practices.
Clear communicator with solid documentation and cross-team collaboration skills.
Required Skills:
BGP OSPF EIGRP QoS MPLS SD-WAN L2L7 Cisco ACI APIC Palo Alto PAN-OS Panorama Fortinet FortiOS FortiManager FortiAnalyzer Python Ansible REST API AWS Azure WAN LAN
Required Education:
BGP OSPF EIGRP QoS MPLS SD-WAN L2L7 Cisco ACI APIC Palo Alto PAN-OS Panorama Fortinet FortiOS FortiManager FortiAnalyzer Python Ansible REST API AWS Azure WAN LAN
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