At a Glance
- Tasks: Provide 24/7 support and troubleshoot complex network issues in a hybrid environment.
- Company: Leading tech firm in London with a focus on innovation and collaboration.
- Benefits: Flexible freelance role, competitive pay, and opportunities for skill development.
- Other info: Work in a fast-paced environment with excellent career growth potential.
- Why this job: Join a dynamic team and make a real impact on network operations.
- Qualifications: 8-12+ years in network operations with strong troubleshooting skills.
The predicted salary is between 51750 - 63250 £ per year.
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, Qo S, WAN, MPLS, SD-WAN.
- Hands-on experience with Cisco ACI, Palo Alto (Panorama), and Fortinet (Forti Manager/Forti Analyzer).
- 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.
- #J-18808-Ljbffr
Senior Network Operations Support Engineer - freelance - hybrid, London, UK employer: Comgent
As a Senior Network Engineer in London, you will join a forward-thinking company that values inclusivity and diversity, fostering a collaborative work culture where your expertise in routing and switching will be highly regarded. With opportunities for professional growth and the chance to work on complex network environments, this hybrid role offers a perfect balance of flexibility and engagement, making it an excellent choice for those seeking meaningful and rewarding employment in the tech sector.
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
