Top Senior Site Reliability Engineer Jobs in Denver & Boulder, CO

Own reliability, scalability, and security for on-prem and AWS deployments. Build observability (Prometheus/Loki/Grafana/ELK), define SLOs/SLIs, lead incident response and postmortems, automate infrastructure (Terraform/Ansible), operate Kubernetes clusters, embed security/compliance controls, eliminate operational toil, and mentor teams.

The role involves ensuring software reliability and performance, managing incidents, developing infrastructure automation, and mentoring junior engineers within a platform team.

Senior SRE responsible for capacity planning, incident response, monitoring and alerts, performance tuning, disaster recovery, cloud infrastructure optimization, automation, and cross-functional collaboration to ensure scalable, reliable services.

Own and operate production services end-to-end to ensure reliability, scalability, performance, and operational health. Define SLIs/SLOs, perform incident response and root cause analysis, build automation and self-healing, manage production changes, and collaborate with engineering, product, and operations teams to improve system design and observability.

Own reliability, automation, and DevOps for Coinbase's corporate IAM platform: on-call/incident response, CI/CD and IaC pipelines, identity lifecycle tooling, observability and disaster recovery, documentation, and cross-team IAM advisement to ensure secure, scalable access for a global workforce.

Senior SRE on the IT Operations team owning reliability, monitoring, and incident response for AI infrastructure. Build automation, CI/CD and Kubernetes tooling, improve observability and documentation, and develop internal full-stack tools using Go or Python. Partner with Infrastructure, Security, and Compliance to scale secure, resilient AI deployment pipelines.

Develop and maintain Kubernetes runtime environments, support developers, resolve critical issues, and participate in on-call rotations for production systems.

The Senior Site Reliability Engineer will develop and support distributed storage services, ensuring reliability and operational safety, with a focus on automation and efficiency.

Prototype, write, test, document, and deploy release automation across environments. Build and maintain pipelines, collaborate with engineers and product teams, troubleshoot issues, participate in on-call rotation, and improve software delivery, configuration, monitoring, and operations.

Lead 24x7 application support for external web applications: manage incidents, perform RCA, implement preventative fixes, build monitoring/alerts, expand Splunk functionality, create dashboards, collaborate with development and platform teams, and participate in on-call rotation.

Own the operational lifecycle of cloud-native data infrastructure: design and automate reliable deployments, observability, incident response, SLIs/SLOs, autoscaling and IaC, and improve platform efficiency and data freshness across GKE and Cloud Run.

Own and improve platform performance, reliability, and deployment automation. Manage cloud infrastructure, implement IaC, monitor systems with observability tools, provide operational support for distributed applications, and integrate production learnings into development workflows.

This role involves ensuring the reliability and performance of ClickHouse's cloud infrastructure, collaborating with engineering teams, incident management, and driving continuous improvement in service availability.

Design, scale, and operate secure AWS cloud infrastructure (EKS, IAM, RBAC); build and maintain IaC (Terraform/Terragrunt), GitHub Actions CI/CD, Datadog observability, and Python automation; document runbooks, participate in on-call rotations, postmortems, and Agile workflows to improve reliability and security.

Own production reliability for customer-facing radar and weather data services across Azure, colocation, and edge Kubernetes. Refactor C#/.NET services for multi-replica safety, design multi-cluster HA, operate self-managed Kubernetes, improve observability and automation, lead incident response and postmortems, and drive operational excellence and capacity planning.

Own operational excellence for cloud infrastructure: run incident management, improve reliability through automation, own a platform domain (e.g., Kubernetes, Temporal, observability), manage vendor and cost relationships, and deliver measurable reductions in incidents and costs within 12 months.

Senior SRE to build and run Veeam's Government/Sovereign-cloud reliability practice. Responsibilities include mapping platform workloads, writing runbooks, defining SLIs/SLOs, designing HA on Azure Government, incident response and postmortems, closing observability gaps, automation and IaC in compliance-restricted environments, CI/CD/GitOps pipelines, on-call rotations, and cross-team collaboration and mentoring.

The Senior Site Reliability Engineer at Juul Labs ensures operational stability and performance of hybrid cloud infrastructure, leads automation, and handles critical incidents.

Drive reliability and observability of Epic's GCP-based platform. Own cloud infrastructure, container platform (Kubernetes/GKE), CI/CD, observability, and IaC (Terraform). Define SLOs/SLIs, reduce toil, manage security and compliance practices, participate in on-call rotations, lead incident response and post-mortems, and partner with product and data teams to troubleshoot and improve platform reliability.

Own and operate scalable infrastructure on GCP (GKE, Cloud Run, AlloyDB); author Terraform modules; manage containerized workloads; build observability in Datadog; design CI/CD in GitHub Actions; automate operational workflows; lead incident response and post-mortems; partner with engineers to improve reliability, cost, and automation.

Lead qualification, performance validation, and production readiness for new Azure Storage hardware and firmware. Drive test planning, automation frameworks, large-scale telemetry and benchmark analysis, root-cause investigations across software/hardware/firmware, and partner with engineering and vendors to resolve reliability and performance issues.

Lead reliability and observability for the financial data platform: define SLOs/SLIs, build metrics pipelines, extend instrumentation across Velocity, Redpanda, MuleSoft, Snowflake, Fabric, and AWS; implement incident management (Datadog -> Incident.io -> ServiceNow), scale automation and remediation, and design AI-assisted SRE agents using Cursor for triage and root-cause analysis.

Join as the company's first SRE to design reliability processes, build observability/CI/CD/IaC tooling, define SLOs, embed with product teams, run incident response, and support compliance for patient data.

Lead the creation of SRE practices across six product teams: define SLOs/SLIs, implement observability, reduce outages, automate toil with IaC and tooling, run production readiness reviews, and train teams to improve incident detection and reliability.

The Senior Site Reliability Engineer is responsible for maintaining Wikimedia's infrastructure, improving reliability, automating processes, and collaborating with teams. The role involves troubleshooting, managing deployments, and leading incident responses while working remotely.