Sr Site Reliability Engineer

Recognized as the No. 1 site trusted by real estate professionals, Realtor.com has been at the forefront of online real estate for over 25 years, connecting buyers, sellers, and renters with trusted insights and expert guidance to find their perfect home. Through its robust suite of tools, Realtor.com not only makes a significant impact on the real estate industry at large, but for consumers, navigating the biggest purchase they will make in their life, by providing a user experience that is easy to use, easy to understand, and most of all, easy to make decisions.Join us on our mission to empower more people to find their way home by breaking barriers to entry, making the right connections, and building confidence through expert guidance.We are seeking a Senior Site Reliability Engineer to join our newly formed Operations Excellence organization, reporting to the Director, Operations Excellence. This role will contribute to the reliability, observability, and operational excellence of our platform infrastructure serving millions of users. As a Senior SRE, you will be a strong technical contributor who implements best practices, solves complex problems, and enables our 600+ engineers to deliver exceptional customer experiences. You will work on critical platform systems including EKS infrastructure, Skyway (CI/CD), Frontdoor (Tyk API Gateway), Pantheon (Apollo GraphQL Federation), and our observability stack, while contributing to chaos engineering practices and cost optimization initiatives with measurable ROI.What You'll Do:Platform Reliability & InfrastructureImplement and maintain highly available AWS infrastructure including EKS clusters, Fargate (ECS), and multi-region architecturesSupport reliability of critical services: Skyway (CI/CD), Frontdoor (Tyk), Pantheon (Apollo GraphQL), and supporting infrastructureMonitor SLIs, SLOs, and error budgets for Tier 1/2/3 systems; participate in architectural reviews for reliability and cost-efficiencyImplement reliability patterns including circuit breakers, graceful degradation, and automated failoverObservability & Cost OptimizationImplement observability solutions using NewRelic for APM, distributed tracing, metrics, and logging for rapid troubleshootingBuild dashboards and alerts that reduce MTTD and MTTR; contribute to observability standards across teamsIdentify infrastructure cost optimization opportunities and implement FinOps practices including rightsizing and resource lifecycle managementSupport cost-conscious architecture decisions and CI/CD spend optimization (CircleCI, Argo CD)Chaos Engineering & Incident ResponseExecute chaos engineering experiments to identify system weaknesses; contribute to frameworks for safe production testingParticipate in game day exercises and disaster recovery simulations; create runbooks and automation for resilienceParticipate in on-call rotation for critical systems; conduct post-incident reviews and implement improvementsSupport incident response processes and contribute to System Health ScorecardTechnical ContributionContribute as a strong technical individual contributor to the Operations Excellence teamCollaborate with Platform Engineering, Quality Engineering, and product teams on reliability initiativesSupport security initiatives including AWS Secrets Manager migration and compliance requirements (SOC 2, PCI, GDPR)Contribute to Developer Experience metrics and platform adoption goalsMay provide technical guidance to junior team membersWhat You'll Bring:5+ years in Site Reliability Engineering, DevOps, or Infrastructure Engineering with demonstrated success improving system reliabilityBachelor’s degree or equivalent experience3+ years hands-on experience with AWS (EKS, EC2, RDS, S3, CloudWatch, IAM) and Kubernetes including cluster managementProficient programming skills (Python, Go, or Java) with infrastructure automation and Infrastructure as Code experience (Terraform, CloudFormation)Production experience with observability tools (NewRelic, Datadog, Prometheus, Grafana, Splunk) and distributed systemsExperience with CI/CD platforms and GitOps workflows (CircleCI, Argo CD, Jenkins); on-call rotation and incident responsePreferred: Exposure to chaos engineering tools, API Gateway technologies (Tyk/Kong), GraphQL federation (Apollo), cost optimization initiatives, FinOps principlesTechnical SkillsCloud & Infrastructure: AWS (EKS, Fargate, Lambda, VPC, Route53, CloudFront), Kubernetes, Docker, Istio Service MeshCI/CD & GitOps: Argo CD, CircleCI, Jenkins, GitHub ActionsObservability: NewRelic - APM, distributed tracing, metrics & logging; Splunk - loggingIaC & Automation: Terraform, CloudFormation, Helm, Kustomize, Python/Go/BashPlatform Services: Tyk Gateway, Apollo GraphQL, AWS Secrets Manager, VaultIncident Management: OpsGenie, PagerDuty, ServiceNowProfessional QualitiesStrong communication skills with ability to explain technical concepts to diverse audiencesCollaborative approach working across engineering, product, and business teamsSelf-motivated with ability to solve complex problems within established practices and policiesData-driven decision making with customer-centric approach and empathy for developer experienceHow We Work:We balance creativity and innovation on a foundation of in-person collaboration. For most roles, our employees work three or more days in our offices, where they have the opportunity to collaborate in-person, adding richness to our culture and knitting us closer together.How We Reward You:Realtor.com is committed to investing in the health and wellbeing of our employees and their families. Our benefits programs include, but are not limited to:Inclusive and Competitive medical, Rx, dental, and vision coverageFamily forming benefits13 Paid HolidaysFlexible Time Off8 hours of paid Volunteer Time offImmediate eligibility into Company 401(k) plan with 3.5% company matchTuition Reimbursement program for degreed and non-degreed programs1:1 personalized Financial Planning SessionsStudent Debt Retirement Savings Match programFree snacks and refreshments in each office locationDo the best work of your life at Realtor.comHere, you’ll partner with a diverse team of experts as you use leading-edge tech to empower everyone to meet a crucial goal: finding their way home. And you’ll find your way home too. At Realtor.com, you’ll bring your full self to work as you innovate with speed, serve our consumers, and champion your teammates. In return, we’ll provide you with a warm, welcoming, and inclusive culture; intellectual challenges; and the development opportunities you need to grow.Diversity is important to us, therefore, Realtor.com is an Equal Opportunity Employer regardless of age, color, national origin, race, religion, creed, gender, sex, sexual orientation, gender identity and/or expression, marital status, status as a disabled veteran and/or veteran of the Vietnam Era or any other characteristic protected by federal, state or local law. In addition, Realtor.com will provide reasonable accommodations for otherwise qualified disabled individuals.Job ID: 3057Job Area: TechnologyPosted Date: 23/06/2026