Senior Site Reliability Engineer, Ads

at Reddit

📍 San Francisco, United States

USD 190,800-267,100 per year

SENIOR

✅ On-site

Tech Stack
Tag name is followed by "@" symbol and proficiency level value. About proficiency levels:

1-2 — basic awareness. Minimal hands-on experience, and a rudimentary understanding of the technology's purpose;

3-6 — daily use. Comfortable and regular usage, capable of handling common tasks and challenges related to the technology;

7-9 — you are an expert, you can teach others, you know all the pitfalls and tricks;

10 — exceptional knowledge, comprehensive understanding, and adeptness in all aspects of the technology, including advanced problem-solving. Think twice before claiming or demanding such level.

Distributed Systems @ 6 Networking @ 6 Observability @ 4 SRE

Details

Reddit's Ads Reliability team partners with Ads Engineering to improve reliability, scalability, operational excellence, and developer productivity across the advertising ecosystem. The team builds and operates highly available services supporting Reddit Ads, including ad-serving, auction, targeting, measurement, and billing systems.

Responsibilities

Partner with Ads Engineering teams to improve the 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.
Perform 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.

Requirements

5+ years of experience in Site Reliability Engineering, Infrastructure Engineering, or related roles operating large-scale distributed systems.
Strong experience supporting high-traffic, user-facing production environments.
Strong cross-functional collaboration skills with the ability to lead and influence operational excellence.
Good understanding of modern distributed systems, scale engineering, and cloud-native architectures.
Strong software engineering skills in general-purpose backend languages such as Go.
Demonstrated ability to troubleshoot complex issues across applications, infrastructure, networking, and services.
Experience with observability platforms, monitoring systems, alerting, and incident response.
Experience driving automation and operational improvements.

Benefits

Comprehensive health benefits
401(k) matching
Workspace benefits for a home office
Personal and professional development funds
Family planning support
Flexible vacation and Reddit Global Days Off
4+ months of paid parental leave
Paid volunteer time off

The position is eligible for equity in the form of restricted stock units and may also be eligible for a commission depending on the position offered. U.S.-based benefits include medical, dental, and vision insurance, a 401(k) program with employer match, vacation time, and parental leave.