Senior Network SRE

CompanyUs3 Consulting

LocationLondon Area, United Kingdom

Posted At12/9/2025

UK Visa Sponsorship Analytics

Occupation Type

Civil engineers

Occupation Code Skill LevelHigher Skilled

Sponsorship Salary Threshold

£50,400 (£25.85 per hour)

Occupation rate applies

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Description

Senior Network SRE:

For one of our globally leading tech clients we are urgently looking for an experienced Senior Network SRE for a long contract based in London, UK.

Its paying well and my client can interview asap!

Role Overview

We are seeking a highly experienced Senior Network Site Reliability Engineer (SRE) to join our global network operations team. This role is vital for ensuring the reliability, scalability, and performance of our network infrastructure. The ideal candidate will lead major incidents, troubleshoot complex technical issues, and drive automation and observability initiatives to maintain world-class network services.

Required Skills

Minimum 10 years of hands-on experience in network engineering and operations.
Deep expertise in routing, switching, firewalling, and wireless across multiple vendors.
Strong troubleshooting skills with knowledge of overlay/underlay network architectures.
Proficiency in Linux/Unix environments.
Experience with automation and monitoring platforms.
Ability to work independently, set technical direction, and mentor team members.

Key Responsibilities

Lead Incident Management: Own and resolve critical network incidents, manage major outages, and provide expert guidance in high-pressure situations.
Advanced Troubleshooting: Diagnose and resolve complex issues across routing, switching, firewalling, and wireless domains.
Technical Leadership: Set technical direction, mentor junior engineers, and promote a culture of operational excellence.
24/7 Operations: Participate in a shift-based model to ensure continuous availability of critical network services.
Multi-Vendor Expertise: Work across diverse environments including Arista, Cisco, Cumulus, Spectrum Ethernet, InfiniBand, Palo Alto, Check Point, Mist, Aruba, A10, Netscaler, F5.
Security & Segmentation: Support network segmentation, security policy enforcement, and VPN solutions (GlobalProtect, AnyConnect).
Automation & Observability: Leverage tools such as Grafana, Big Panda, ServiceNow, ITMP, syslog, Splunk, Salt, Ansible, Prometheus to enhance monitoring, automation, and overall reliability.
Innovation Projects: Contribute to wireless design and AI cluster deployments, supporting cutting-edge initiatives.

If this is you, then please do not delay in applying!