Top Senior Site Reliability Engineer Jobs in Boston, MA

Lead the Site Reliability Engineering organization, managing and developing technical teams while driving reliability, scalability, observability, automation, and operational excellence. Responsibilities include infrastructure automation, vulnerability management, incident response, SLA and SLO analysis, monitoring improvements, post-incident reviews, ITIL processes, vendor coordination, and cross-functional reliability initiatives for large-scale production storage systems.

Build and maintain reliable cloud infrastructure, container platforms, automation, observability, and secrets-management systems. Responsibilities include infrastructure-as-code, ChatOps, CI/CD, incident response, on-call support, SLO and SLI management, production troubleshooting, code reviews, and blameless post-mortems. The engineer partners with development, research, and architecture teams to improve system operability, performance, and reliability.

Designs and develops Python-based reliability tools and cloud solutions on AWS using Terraform. Builds automation, observability, CI/CD pipelines, and testing frameworks; defines SRE standards, SLIs, SLOs, and error budgets; participates in incident response, on-call support, root-cause analysis, and postmortems. Collaborates across Agile teams to improve platform reliability, reduce toil, optimize cloud costs, and advance cloud-native engineering practices.

Staff Site Reliability Engineer responsible for defining reliability and infrastructure strategy, leading complex cross-functional engineering initiatives, architecting scalable AWS and Kubernetes platforms, maintaining Terraform and CI/CD systems, and developing observability practices with SLOs and SLIs. The role mentors engineers, drives operational excellence and infrastructure security, resolves complex production issues, and communicates with technical and executive stakeholders.

Leads teams designing and deploying AI-driven enterprise and cloud security solutions. Responsibilities include developing machine learning systems, integrating data infrastructure and pipelines, performing advanced modeling and analysis, and building AI applications with Python, Java, and C++. The role involves client engagement, strategic problem-solving, stakeholder validation, coaching, process innovation, and operational excellence while addressing complex cybersecurity and privacy challenges.

Own end-to-end client support, troubleshoot production issues, monitor cloud environments, respond to incidents, automate operational tasks, and lead postmortems. Develop and execute manual and automated QA tests, maintain regression suites, integrate testing into CI/CD, and validate AI-powered features. Build documentation, collaborate with engineering and product teams, and improve reliability for regulated-industry clients.

Own reliability for a multi-tenant AI agent platform, including AWS infrastructure, SLOs, observability, disaster recovery, model-provider resilience, security guardrails, cost controls, incident response, and safe deployments. Operate PostgreSQL and Redis, manage Terraform-based infrastructure, protect against tenant and agent failures, and establish audited controls for AI-driven operational changes. Lead on-call activities, game days, post-incident reviews, and platform standards for product teams.

Staff Site Reliability Engineer responsible for setting infrastructure direction and owning availability, stability, scalability, observability, disaster recovery, and cloud costs for a SaaS platform. The role involves multi-cloud architecture, managed Kubernetes, infrastructure automation, GitOps delivery, incident response, business continuity, technical evaluations, platform migrations, and mentoring engineers. This is a fully remote U.S.-based position with an on-call rotation.

Senior Site Reliability Engineer responsible for establishing reliability standards, SLOs, observability, incident response, disaster recovery, and secure platform practices. The role includes building self-service deployment tooling, progressive delivery, infrastructure as code, policy automation, and multi-region resilience on Azure. The engineer will lead major incidents, conduct postmortems, mentor others, and support SOC 2 and PCI DSS compliance for critical payment systems.

Lead the evolution of Azure infrastructure toward Kubernetes-based, microservices-oriented systems. Design reliable and scalable cloud infrastructure, observability, networking, CI/CD pipelines, and Infrastructure-as-Code. Drive incident response, cost optimization, capacity planning, performance improvements, and automation while partnering with engineering and data teams. Document best practices, mentor colleagues, and support platform strategy in a healthcare environment with PHI, access control, and audit requirements.

Principal Site Reliability Engineer responsible for the availability, scalability, durability, and operational reliability of production systems. The role leads observability, incident response, SLO and error-budget practices, automation, infrastructure as code, and long-term service improvements. Responsibilities include designing monitoring and alerting frameworks, supporting Kubernetes and distributed storage environments, improving operational processes, collaborating across engineering and business teams, and mentoring reliability-focused practices. The position requires extensive experience with Linux, cloud infrastructure, containers, scripting, storage systems, and large-scale production environments.

Lead long-term strategy and architecture for cloud and on‑prem platform infrastructure, driving Kubernetes and multi‑cloud reliability, IaC/GitOps automation, observability, SLO/SLI/error‑budget practices, incident leadership, AI‑augmented tooling adoption, and mentorship of senior engineers to improve platform resilience and developer experience.

Embed with service teams to define SLIs/SLOs and error budgets, run Operational Readiness Reviews, improve incident-to-improvement pipelines, advise on resilience and architecture, reduce operational toil through automation, and shape org-wide on-call practices and operational maturity.

Manage and improve CI/CD pipelines, containerized deployments, AWS infrastructure, Terraform resources, monitoring, and incident response for the SportsRecruits platform. Troubleshoot application, database, and distributed-system performance issues; maintain development and QA environments; collaborate with engineering, QA, product, and security teams; and implement automation, observability, scalability, and AI-assisted monitoring improvements.

Own technical customer implementations and adoption programs for Harness AppSec solutions. Provide hands-on architecture, consulting, onboarding, optimization, and value-realization guidance across cloud, DevOps, security, and infrastructure environments. Analyze usage and adoption data, identify risks and opportunities, conduct business reviews, develop success plans, advise customer leadership, provide product feedback, and collaborate with sales, product, and engineering teams. Build reference architectures, best-practice guides, and customer enablement resources.

Own and scale Drivetrain’s multi-cloud AWS and GCP infrastructure, Kubernetes platforms, CI/CD pipelines, Terraform modules, automation, observability, and security practices. Drive reliability engineering through capacity planning, incident response, postmortems, and SLI/SLO/SLA management. Partner with development teams to improve application deployability, scalability, resilience, and operational efficiency across the SaaS platform.

Supports system reliability, scalability, and observability through monitoring, logging, metrics, tracing, alerting, infrastructure as code, automation, production support, incident response, and post-incident improvements. The role collaborates with development and operations teams and uses tools including Prometheus, Grafana, ELK, Terraform, AWS, Docker, and Kubernetes.

Build and operate cloud-native Kubernetes platforms and tooling to ensure reliability, performance, and security. Write maintainable code, use CI/CD and IaC, employ observability for debugging, document systems, influence engineering practices, and improve platform reliability and cost efficiency.

Lead architecture and build a Kubernetes-based, GitOps-driven platform and self-service datastore offerings. Drive IaC, observability, and platform automation; partner with application teams to diagnose and optimize datastore and messaging performance at scale.

Own end-to-end reliability for an enterprise application by defining SLOs, building observability and alerting, shipping resilient Python and Rust code, operating EKS and AWS infrastructure, maintaining CI/CD and infrastructure-as-code, leading incident response, and driving security, compliance, load testing, capacity planning, and chaos engineering. Mentor engineers and support progressive delivery in regulated national-security environments.

Design and operate large-scale GPU infrastructure for distributed AI training, ensuring reliability, performance, and efficient customer partnerships.

Lead AWS-based SRE activities for products migrated from on-prem: ensure reliability, observability, automation, CI/CD (GitOps), Kubernetes/EKS operations, Terraform IAC, database/RDS administration, networking and security, and collaborate with development and platform teams to optimize SaaS operations.

Ensure reliability, scalability, and usability of network infrastructure for Akamai Connected Cloud. Define requirements and SLOs, build automation and CI/CD pipelines, collaborate with dev/QA to improve code and stability, troubleshoot complex network issues (on-call), and mentor teammates while driving architectural standards.

Deploys, operates, and maintains resilient AWS and Kubernetes infrastructure and microservices for the Webex for Government environment. Monitors service health, troubleshoots production incidents, automates infrastructure provisioning, and supports 24x7 operations. The role strengthens security and FedRAMP compliance through IAM, logging, hardening, vulnerability remediation, and continuous monitoring. It also partners with engineering, security, and compliance teams to improve reliability, document procedures, create runbooks, and conduct incident and root-cause reviews.

Own production reliability and infrastructure operations for the GrayKey cloud platform. Responsibilities include AWS monitoring, incident response, vulnerability remediation, networking, IAM and Okta administration, EKS and Argo CD operations, backups, recovery testing, Terraform changes, cost optimization, automation, documentation, and compliance support. The role requires independent work during Pacific and Mountain time-zone hours and involves less than 5% travel.