Senior Site Reliability Engineer (Ads)

TL;DR

Senior Site Reliability Engineer (Ads): Building, operating, and scaling critical infrastructure for Reddit's advertising platform with an accent on reliability, scalability, and operational excellence. Focus on designing automation, improving observability, and driving SRE best practices across high-traffic ad-serving and billing systems.

Location: Must be based in the UK, the Netherlands, or Ireland.

Company

Reddit is a massive community-driven platform connecting millions of users through shared interests and authentic conversations.

What you will do

• Partner with Ads Engineering to enhance the reliability and scalability of ad-serving, auction, and billing systems.
• Design and maintain infrastructure, tooling, and automation to reduce operational toil.
• Improve observability through advanced monitoring, alerting, logging, and tracing.
• Lead incident response efforts and conduct root cause analysis for production systems.
• Drive SRE best practices including SLIs, SLOs, capacity planning, and operational readiness.
• Collaborate with software engineers throughout the entire service lifecycle.

Requirements

• Must be based in the UK, the Netherlands, or Ireland.
• 5+ years of experience in SRE or Infrastructure Engineering operating large-scale distributed systems.
• Strong background in supporting high-traffic, user-facing production environments.
• Solid understanding of Linux systems, networking, and cloud-native architectures.
• Proficiency in programming languages such as Go or Python.
• Proven ability to troubleshoot complex issues across applications and infrastructure.

Culture & Benefits

• Global benefit programs including workspace support and professional development.
• Comprehensive private medical, dental, and vision insurance.
• Flexible vacation policy and paid volunteer time off.
• Generous paid parental leave and family planning support.
• Mental health and coaching benefits.
• Retirement savings account with matching contributions.