Senior Network SRE - Global Edge Platform

Devopsroles; Greater London; Hybrid; GBP 110,000 - 160,000; Full time

Job summary

Fastly in London is seeking an experienced Senior SRE - Networks to own and operate the world‑scale edge network. You will drive automation, lead critical incidents, and partner across teams to improve routing performance and reliability.

Ideal candidates have strong TCP/IP, BGP, Anycast, DNS, and Python automation experience, plus Linux expertise and familiarity with CI/CD tooling. Hybrid work options and global collaboration are expected.

Qualifications

• Experience with TCP/IP, BGP, Anycast and DNS as core internet fabric.
• Automation experience with Python and scripting for ops.
• Proficiency with cloud networking and Tier 1 providers.
• Ability to analyse traffic patterns with flow-based tools.
• Exposure to alerting, monitoring (Grafana/Prometheus/Splunk) and CI/CD (Git/Jenkins/Ansible).
• Knowledge of Linux/Unix systems administration and network stack tuning.
• Excellent documentation and knowledge sharing across teams.
• Collaborative, able to influence roadmaps with cross-functional partners.

Responsibilities

• Build, operate, and maintain the global Edge Cloud network footprint.
• Respond to traffic incidents and lead network incident management.
• Write performant, maintainable code and participate in reviews.
• Develop tools and automation to improve network operations.
• Monitor network performance focusing on user experience.
• Perform deep-dive analytics with partner teams to sustain performance.
• Advocate for operational stability and align roadmaps with engineering.
• Mentor colleagues on global routing in anycast environments.

Skills

TCP/IP

BGP

Anycast

DNS

Automation

Python

Linux/Unix

Networking analytics

Incident management

Tools

Python

Git

Jenkins

Ansible

Prometheus

Grafana

Splunk

Job description

Fastly in London is seeking an experienced Senior SRE - Networks to own and operate the world‑scale edge network. You will drive automation, lead critical incidents, and partner across teams to improve routing performance and reliability.

Ideal candidates have strong TCP/IP, BGP, Anycast, DNS, and Python automation experience, plus Linux expertise and familiarity with CI/CD tooling. Hybrid work options and global collaboration are expected.