Senior SRE, Ads

• Build, operate, and scale the critical systems behind Reddit Ads, where reliability directly impacts advertiser success, revenue generation, and user experience. • Partner closely with Ads Engineering to improve reliability, scalability, operational excellence, and developer productivity across Reddit's advertising ecosystem. • Help build and operate highly available services that drive revenue and maintain advertiser trust.

• Bring 5+ years of experience in Site Reliability Engineering, Infrastructure Engineering, or related roles operating large-scale distributed systems. • Have strong experience supporting high-traffic, user-facing production environments. • Demonstrate good understanding of distributed systems, networking, Linux systems, and cloud-native architectures. • Have good programming skills in languages such as Go, Python, or similar. • Demonstrate the ability to troubleshoot complex issues across applications, infrastructure, networking, and services. • Have experience with observability platforms, monitoring systems, alerting, and incident response. • Have experience driving automation and operational improvements.

• Have experience supporting advertising technology platforms or other revenue-critical systems. • Bring familiarity with ad-serving, auction, targeting, measurement, or billing systems. • Have experience with Kubernetes, containers, and cloud infrastructure. • Bring experience with SLI/SLO frameworks, error budgets, and capacity planning. • Have experience with large-scale data platforms such as Kafka, ClickHouse, or BigQuery.

• Partner with Ads Engineering teams to improve reliability, scalability, and operational excellence of ad-serving, auction, targeting, measurement, and billing systems. • Design, build, and maintain infrastructure, tooling, and automation that improve service reliability and engineering productivity. • Improve observability through monitoring, alerting, tracing, logging, and dashboards. • Participate in on-call rotations and lead incident response efforts for critical production systems. • Run root cause analysis and drive corrective actions following incidents. • Collaborate with software engineers throughout the service lifecycle, from design reviews through production operations. • Drive adoption of SRE best practices including SLIs, SLOs, error budgets, capacity planning, and operational readiness reviews. • Reduce operational toil through automation and self-service tooling. • Help define and measure advertiser-critical user journeys such as campaign creation, ad delivery, reporting, and billing. • Scale Ads systems to support continued traffic growth, increased advertiser demand, and evolving business requirements.

• Access global benefit programmes that fit your lifestyle, from workspace to professional development to caregiving support. • Receive family planning support. • Access gender-affirming care. • Use mental health and coaching benefits. • Join the Group Personal Pension Scheme with employer match. • Access private medical and dental scheme. • Benefit from income replacement programmes. • Use the Bike to Work scheme. • Enjoy flexible vacation and paid volunteer time off. • Take generous paid parental leave.

Reddit is a community of communities, home to the most open and authentic conversations on the internet. With 100,000+ active communities and approximately 130 million daily active unique visitors, Reddit is one of the internet's largest sources of information. Every day, users submit, vote, and comment on the topics they care most about.