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

As a Site Reliability Engineer, you will design, implement, and maintain scalable infrastructure, ensure system reliability, automate processes, and collaborate with engineering teams.

As a Senior Site Reliability Engineer, you will design, develop, and maintain reliable infrastructure for Wikimedia's API services, ensuring performance and availability while driving reliability engineering practices and improving developer experience.

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.

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.

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.

Lead design, implementation, and operation of scalable, secure hybrid-cloud infrastructure for satellite ground systems. Improve developer experience, automate CI/CD and IaC, own observability, troubleshoot reliability issues, and collaborate with developers and satellite operators to advance SatDevOps practices.

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.

As a Senior Site Reliability Engineer, you'll enhance system performance and reliability, optimize databases, and implement AI-assisted solutions for operational efficiency.

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.

Operate and harden regulated cloud platforms (FedRAMP/DoD IL) by owning production reliability, designing resilient infrastructure, leading incident response and postmortems, automating compliance (NIST 800-53/STIG), supporting ATO and continuous monitoring, building secure IaC and CI/CD pipelines, and improving observability and operational tooling.

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.

As a Senior Site Reliability Engineer, you will lead reliability initiatives, design and maintain systems, enhance CI/CD pipelines, and mentor junior engineers while ensuring system availability and performance.

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.

The role involves leading reliability initiatives, designing patterns for AI operations, managing SLOs, and mentoring junior engineers. You'll ensure platform resilience and optimize CI/CD pipelines for an AI-first intelligence platform.

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

Ensure reliability and availability of Tradeweb's global AWS platform through IaC automation, observability and SLO definition, incident triage and resolution, on-call duties, collaboration with development teams, and security-focused platform improvements.

Lead SRE work to improve availability, reliability, observability, and security for a distributed SaaS platform. Build and maintain IaC (Terraform, CloudFormation), support CI/CD, manage containerized production environments (Kubernetes/EKS), run disaster recovery exercises, participate in on-call rotation, collaborate cross-functionally, and mentor teams while integrating tooling including AI into SRE workflows.

You will manage AWS infrastructure, automate deployments, debug application issues, and improve the operational health of Metabase Cloud.

As a Software Engineer in Reliability, you'll architect and manage multi-cloud GPU infrastructure, ensuring performance, security, and scale while debugging complex hardware/software issues.

As a Site Reliability Engineer, you'll develop autonomous systems, improve CI/CD pipelines, mentor junior engineers, and ensure software reliability and security in a 24/7 environment.

As a Senior Site Reliability Engineer, you'll enhance system resilience, automate tasks, and improve infrastructure for the Intelligence Community. You'll need significant Linux experience and programming knowledge.

The SRE will own reliability for a cloud-native platform, optimizing performance, availability, and observability, while mentoring engineering teams.

This role involves managing Kubernetes clusters, cloud infrastructure, and CI/CD pipelines. The engineer will enhance system reliability and efficiency while troubleshooting production issues.

The Senior Technology Site Reliability Engineer is responsible for maintaining and optimizing infrastructure and applications, ensuring reliability and performance while automating processes and collaborating with teams.