Sr. Network Site Reliability Engineer (SREs)

Technopride Ltd; City Of London; On-site; GBP 80,000 - 100,000; Full time

Job summary

A leading tech company in the UK is seeking a Senior Network SRE with over 10 years of experience in enterprise network engineering. You will design and maintain highly available network solutions, applying SRE principles to enhance reliability and performance. The ideal candidate should have strong skills in automation using tools like Ansible and Salt, and proficiency with observability tools such as Grafana and Splunk. Excellent communication skills and the ability to collaborate across teams are critical for success in this role.

Qualifications

• 10+ years of hands-on experience in enterprise or service provider network engineering.
• Expertise in multi-vendor routing, switching, firewalling, and wireless technologies.
• Deep understanding of network protocols (BGP, OSPF, EIGRP, STP, etc.).

Responsibilities

• Design, implement, and maintain highly available network solutions.
• Apply SRE principles to improve network reliability and performance.
• Develop and maintain automation workflows using Ansible and Salt.

Skills

Hands-on experience in enterprise or service provider network engineering

Expertise in multi-vendor routing, switching, firewalling, and wireless technologies

Deep understanding of network protocols (BGP, OSPF, EIGRP, etc.)

Infrastructure automation using Ansible and Salt

Proficiency with observability tooling such as Grafana and Splunk

Strong troubleshooting and performance optimization skills

Excellent communication and collaboration skills

Tools

Ansible

Salt

Grafana

Splunk

Job description

Overview

We are seeking a highly experiencedSenior Network SREwith deep expertise across multi-vendor network infrastructure, automation, and reliability engineering. The ideal candidate will possess strong technical leadership, hands-on engineering capabilities, and a passion for building resilient, scalable, and observable network environments.

Key Responsibilities

• Design, implement, and maintain highly available network solutions across routing, switching, firewalling, and wireless technologies.
• Apply SRE principles to improve network reliability, scalability, and performance.
• Develop and maintain automation workflows usingAnsible,Salt, and related frameworks to reduce operational toil.
• Build and operate monitoring, alerting, and observability dashboards using tools such asGrafanaandSplunk.
• Proactively identify network bottlenecks, performance issues, and reliability risks, implementing long-term fixes rather than reactive solutions.
• Support incident response, root cause analysis, and post-incident reviews with a focus on continuous improvement.
• Collaboration with cross-functional engineering, security, and operations teams to ensure network solutions meet business and technical requirements.
• Contribute to documentation, runbooks, design artifacts, and operational standards.
• Participate in capacity planning, network modernization initiatives, and automation-first strategies.

Required Skills & Experience

• 10+ years of hands-on experiencein enterprise or service provider network engineering.
• Expertise in multi-vendorrouting, switching, firewalling, and wirelesstechnologies.
• Deep understanding of network protocols (BGP, OSPF, EIGRP, STP, VXLAN, VPNs, QoS, MPLS, etc.).
• Strong experience with infrastructure automation usingAnsibleandSalt.
• Proficiency with observability tooling such asGrafana,Splunk, or equivalent.
• Solid understanding of SRE practices including SLIs, SLOs, error budgets, and proactive reliability engineering.
• Strong troubleshooting, analytical, and performance optimization skills.
• Excellent communication and collaboration skills, with the ability to influence and guide technical stakeholders.

Nice to Have

• Experience with network programmability (Python, API-driven networking, NetConf/RESTConf).
• Exposure to cloud networking (AWS, Azure, GCP).
• Knowledge of zero-trust, SD-WAN, and network security best practices.
• Experience creating self-healing or fully automated network workflows.