Top Senior Site Reliability Engineer Jobs in NYC, NY

The Staff Site Reliability Engineer will architect reliability strategies, manage observability, and drive operational excellence across teams, particularly in large-scale production systems.

As a Staff Site Reliability Engineer, you'll oversee Zscaler production data center services, optimize code, and ensure cloud service availability and performance. Collaborate with cross-functional teams to improve processes and resolve escalated issues.

As a Senior Site Reliability Engineer, you'll design and build complex systems, support Atlas platform operations, automate processes, and ensure high availability of services.

Lead technical risk advisory for SRE and cloud-native engineering, assess resiliency, SLIs/SLOs, CI/CD, and observability, perform independent risk reviews, drive AI/automation adoption, and deliver executive-facing risk reporting and remediation guidance.

SREs at Citadel focus on optimizing and maintaining system reliability, performance, and automation for investment applications, collaborating closely with teams.

Operate and improve production reliability for critical services by building automation, monitoring, and runbooks. Triage incidents, reduce MTTR, improve observability, partner with engineering for root-cause fixes, and apply validated enterprise AI-assisted tools to support SRE workflows and reduce toil.

Lead application readiness and remediation coordination for AWS, EOL, and vulnerability patches. Validate impacts, define smoke and regression tests, drive automation, resolve dependencies, escalate blockers, and secure production sign-off to ensure audit-ready closure.

Own and operate endpoint patch deployment and remediation for workstations and user devices: manage pilot rings and rollback groups, monitor patch success and endpoint health, validate post-patch functionality, coordinate incident triage with cross-functional teams, and improve automation, reporting, and evidence capture for vulnerability remediation.

The role involves designing and automating infrastructure management, improving reliability, building internal tools, and contributing to architectural decisions. Responsibilities include working with Kubernetes and managing large-scale infrastructure, while participating in on-call rotations to prevent incidents.

Site Reliability Engineers will work on production infrastructure, focusing on AWS and Kubernetes while ensuring high availability and customer satisfaction.

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

Lead SRE for cloud-based live linear playout systems driving reliability, observability, incident response, SLIs/SLOs, automation, capacity planning, runbooks, and L1/L2 on-call support to ensure resilient distribution across NBCUniversal channels.

The Site Reliability Engineer will provide support and diagnose issues within a real-time, distributed environment, focusing on large-scale application and infrastructure management, with basic required skills in UNIX/Linux, networking, SQL, and scripting languages.

Own Garner’s cloud reliability strategy across AWS and Kubernetes, including SLOs, observability, incident response, infrastructure automation, cost optimization, and security compliance. Lead complex incident resolution, architect Terraform-based infrastructure, establish deployment and monitoring standards, mentor engineers, and use AI tools to automate operational work. Support high-scale AI/ML workloads while setting technical direction for platform reliability and production quality.

Own reliability, stability, and performance of low-latency algorithmic and sequencer-based trading platforms. Troubleshoot production issues, manage releases and configurations, improve observability and automation, support client onboarding (FIX/API), conduct performance testing, mentor peers, and drive SRE best practices across teams.

Lead SRE to provide technical leadership for a multi-cloud, multi-region active-active content platform. Define automation and IaC strategy, design core platform and logging/observability systems, establish capacity and performance frameworks, lead cross-team reliability initiatives, improve on-call and incident response, mentor engineers, and proactively address systemic reliability and scaling challenges.

Lead the design and roadmap for global Active Directory and identity infrastructure, implement Identity-as-Code and GitOps automation, own incident escalation and observability, define delegation/tiered administration, integrate applications with Okta and cloud identity, mentor teams, and publish identity architecture and security best practices.

Maintain and improve multi-cloud Kubernetes infrastructure, CI/CD (Argo Workflows/ArgoCD), observability, and networking. Build reliable continuous deployment tooling and onboarding flows, provide internal support, collaborate across Platform Engineering, contribute upstream (open-source/operators), and participate in a 24/7 on-call rotation to resolve deployment infrastructure issues.

Operate and maintain AWS-hosted MERN applications and large-scale data workflows. Manage serverless and Spark-based pipelines, perform incident response and on-call duties, engineer automation to eliminate operational toil, ensure HIPAA/SOC2/HITRUST compliance, build observability and lead blameless post-mortems.

Senior SRE owning availability, automation, and observability for CI/CD platform services. Build and operate infrastructure, run on-call, lead incident response, mentor engineers, drive design/capacity planning, integrate AI-assisted workflows, and improve cross-team reliability.

Lead development of AI-assisted reliability tooling, own incident response end-to-end, improve observability and SLO/SLI frameworks, scale single-tenant SaaS operations, mentor engineers, and reduce recurring operational toil through engineering and automation.

The Senior Site Reliability Engineer will lead security design and implementation for cloud infrastructures, mentor teams, and automate security solutions.

The Site Reliability Engineer designs and builds infrastructure for a global cloud service, implements automation, and optimizes system performance while managing on-call operations.

As a Senior SRE, you'll ensure reliable and scalable systems, develop observability solutions and infrastructure as code, and lead incident response efforts.

Lead SRE for Sales Execution platforms responsible for stability, availability, resiliency, incident leadership, RCA, and operational maturity. Partner with Front Office, Product, Development, and Infrastructure to drive SRE adoption, observability, automation, and AI-assisted reliability workflows while mentoring engineers and owning outcomes for business-critical services.