Staff SRE, Ads

Reddit, Inc.

Staff Site Reliability Engineer leading reliability initiatives across Ads domains at Reddit. Working to improve reliability, scalability, and operational efficiency in Reddit's advertising ecosystem.

Posted 6/19/2026full-timeRemote • 🇬🇧 United KingdomLeadWebsite

Tech Stack

Tools & technologies

CloudDistributed SystemsGoLinuxPython

About the role

Key responsibilities & impact

Lead reliability initiatives across multiple Ads domains including ad serving, auctions, targeting, reporting, measurement, and billing.
Partner with engineering leadership to improve reliability, scalability, operational excellence, and engineering efficiency across the Ads organization.
Drive architecture reviews and influence technical decisions impacting critical revenue-generating systems.
Design and build platforms, tooling, and automation that improve reliability and developer productivity at scale.
Participate in on-call rotations, lead complex incident investigations and coordinate cross-functional response efforts during major production events.
Identify systemic reliability risks and drive long-term solutions that improve platform resilience.
Establish reliability metrics around advertiser-critical user journeys such as campaign creation, ad delivery, auction participation, reporting, attribution, and billing.
Mentor engineers and provide technical leadership across multiple teams.
Influence roadmap planning and ensure reliability considerations are incorporated into product and infrastructure investments.

Requirements

What you’ll need

8+ 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.
Deep understanding of distributed systems, networking, Linux systems, cloud native architectures.
Experience designing highly available systems with strong operational and reliability practices.
Strong understanding of observability systems including metrics, logging, tracing, and alerting.
Good programming skills in languages such as Go, Python, or similar.
Experience improving reliability through SLOs, automation, incident management, and performance optimization.
Demonstrated ability to troubleshoot complex issues across a modern distributed system stack.
Strong collaboration and communication skills with the ability to influence technical direction across teams.

Benefits

Comp & perks

Global Benefit programs that fit your lifestyle, from workspace to professional development to caregiving support
Family Planning Support
Gender-Affirming Care
Mental Health & Coaching Benefits
Group Personal Pension Scheme with Employer match
Private Medical and Dental Scheme
Income Replacement Programs
Bike to Work scheme
Flexible Vacation & Paid Volunteer Time Off
Generous Paid Parental Leave

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

Site Reliability EngineeringInfrastructure Engineeringdistributed systemsLinux systemscloud native architecturesobservability systemsGoPythonautomationperformance optimization

Soft Skills

collaborationcommunicationtechnical leadershipmentoringinfluencing technical directiontroubleshootingincident managementoperational excellencescalabilitydeveloper productivity