At a Glance
- Tasks: Provide 24/7 support and troubleshoot complex network issues in a dynamic environment.
- Company: Join a leading tech firm in London with a focus on innovation and collaboration.
- Benefits: Enjoy a hybrid work model, competitive pay, and opportunities for professional growth.
- Other info: Collaborate with top teams and enhance your career in a fast-paced industry.
- Why this job: Make a real impact by optimising network performance and driving continuous improvement.
- Qualifications: 8-12+ years in network operations with strong troubleshooting and automation skills.
Reports to Head of Data Centre and Network Services.
Responsibilities:
- Provide 24/7 operational support, leading incident response, root cause analysis, and permanent remediation across enterprise and data centre networks.
- Troubleshoot complex L2–L7 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:
- 8–12+ years in enterprise/data centre network operations.
- Strong L2–L7 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.
Senior Network Operations Support Engineer - freelance - hybrid, London, UK employer: Comgent
As a Senior Network Operations Support Engineer at our London-based company, you will thrive in a dynamic hybrid work environment that values innovation and collaboration. We offer competitive benefits, a strong focus on employee development, and opportunities for continuous learning, ensuring you can grow your skills while contributing to cutting-edge network solutions. Join us to be part of a supportive culture that prioritises operational excellence and teamwork, making a meaningful impact in the tech industry.
We think you need these skills to ace Senior Network Operations Support Engineer - freelance - hybrid, London, UK
Operational Support
Incident Response
Root Cause Analysis
Troubleshooting L2–L7 Issues
Routing Protocols (BGP, OSPF, EIGRP)
Quality of Service (QoS)
WAN and MPLS
