Senior Site Reliability Engineer, Ads Platform

Reddit, Inc.

San Francisco (CA)

On-site

USD 191,000 - 267,000

Full time

14 days+

A complete application in a minute

Tailored resume and cover letter, ready to send.

Get past ATS filters

Benefits offered by this job

Comprehensive Health benefits

401k Matching

Workspace benefits for home office

Personal & Professional development

Family Planning Support

Flexible Vacation & Reddit Global Days

Parental Leave (4+ months)

Volunteer time off

Job summary

Reddit, Inc. is seeking a Senior Site Reliability Engineer for the Ads Reliability team to build and scale critical ad-serving infrastructure.

You will partner with Ads Engineering to improve reliability, observability, and automation across billing, reporting, and delivery systems. Ideal candidates have 5+ years in SRE/Infrastructure, excel in high-traffic production environments, and bring strong Go engineering skills.

Qualifications

5+ years of experience in Site Reliability Engineering or related roles.
Experience with large-scale distributed systems and high-traffic production environments.
Strong collaboration skills to lead and influence operational excellence.
Proficiency in modern distributed systems, scale engineering, and cloud-native architectures.
Strong software engineering skills in back-end languages such as Go.
Experience with observability, monitoring, alerts, and incident response.
Experience driving automation and operational improvements.

Responsibilities

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.