Senior Network Operations Specialist

Senior Network Operations SpecialistDocklands, London (Hybrid)£100,000 – £110,000 per annum + annual discretionary bonus

On behalf of a Leading financial services organisation, I am seeking an experienced Senior Network Operations Specialist to join their growing EMEA team based in London. The Senior Network Operations Specialist will play a key role in optimizing the network and datacentre operations.

The organisation operates hybrid working; therefore you must be willing to commit to two days per week in their London office and be within reasonable commuting distance.

Responsibilities:

• Lead daily operations tasks, that involve build, deployment, maintenance, and troubleshooting the datacentre and enterprise network, ensuring compliance with change management procedures and operational standards.
• Have a deep understanding of technologies around routing, switching, datacentre clos fabric, next-gen Firewalls, VPNs, and cloud (AWS/Azure).
• Develop and maintain clear, concise documentation for all operational processes (runbooks), including network configuration and troubleshooting steps, and change management processes.
• Partner closely with engineering team (Level 3), managed service provider (3rd party) and other cross-functional teams to help resolve complex issues.
• Understand the current infrastructure monitoring capabilities and collaborate with Engineering to streamline alerting to enhance network monitoring.
• Adhere to incident management processes, ensuring rapid response to network issues, minimizing downtime, and coordinating with cross-functional teams for resolution and subsequent RCA, as needed.
• Serve as a liaison between operations and engineering to manage escalations during incident response.
• Provide expert-level support for complex network troubleshooting, including the use of packet capture, CLI, and other monitoring and diagnostic tools to identify and resolve issues across diverse network technologies.
• Mentor a team of network operations professionals, cultivating a culture of continuous learning, collaboration, and accountability, promoting professional growth and success.

Skills/Experience required:

• A background in a similar capacity, preferably within a regulated financial services environment.
• Proven hands-on experience with network technologies within enterprise & datacentre infrastructure, multi-vendor Firewall environment (ASA, Firepower, Checkpoint) and AWS in a hybrid setup.
• Good understanding of vendor support services (such as Cisco’s SmartNet) and carrier circuit provisioning.
• Strong background in establishing and refining network operations processes, with a focus on documentation, scalability, and continuous improvement.
• Ability to mentor technical teams and collaborate with other cross-functional teams to achieve business objectives.
• Prior experience of working in a NOC environment would be highly advantageous.

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