Senior Site Reliability Engineer – Infrastructure

Role Overview

• Own and operate production services supporting critical financial applications with a strong focus on availability, performance, and reliability
• Design, build, and manage AWS infrastructure, including EKS-based clusters, across lower and production environments
• Provision and manage infrastructure using Terraform (Infrastructure as Code) with a strong automation first mindset
• Deploy, scale, and troubleshoot applications running on like Kubernetes, including cluster creation, upgrades, and lifecycle management
• Build and maintain automation frameworks and tooling Python based to reduce operational toil and prevent recurring incidents
• Monitor system health using metrics, logs, and alerts; continuously tune alerts, dashboards, and runbooks
• Troubleshoot complex issues spanning clusters, networking, certificates, deployments, and application behavior
• Manage certificate lifecycle and expiration, ensuring secure and uninterrupted service operation
• Collaborate with InfoSec, Vulnerability Management, and Network Security teams (e.g., Zscaler) to maintain a strong security posture
• Collaborate with L1/L2 teams, helping them understand infrastructure and operational best practices
• Participate in on call and lead incident response, drive root cause analysis, and ensure effective post-incident remediation and learnings
• Identify architectural anti-patterns and drive improvements by reviewing new services for production readiness, resiliency, and secure design prior to release
• Establish and enforce production readiness standards, including deployment strategies, rollback plans, and observability requirements
• Optimize infrastructure cost and resource utilization without compromising reliability and performance.

Requirements

• 6+ years of experience in SRE, DevOps, Platform, or Infrastructure Engineering roles
• Strong software engineering background, with hands-on Python development used for automation, tooling, and system reliability
• Experience building or supporting scalable, distributed systems in production
• Deep experience with AWS cloud environments, including AWS, IAM, networking, and access controls
• Strong hands-on expertise with similar tools like Kubernetes (EKS preferred): cluster creation, deployments, scaling, and troubleshooting
• Solid understanding of networking fundamentals (VPCs, routing, DNS, load balancing, security groups)
• Experience with CI/CD pipelines, deployment tools, and infrastructure automation
• Working knowledge of databases and query optimization, and understanding how applications behave under load
• Familiarity with similar tools like Kafka or other messaging systems
• Comfortable conducting code reviews and participating in coding focused interviews
• Strong operational mindset with experience in incident management and on‑call rotations
• Clear communicator and collaborative teammate who values documentation and knowledge sharing.

Tech Stack

• AWS
• Cloud
• Distributed Systems
• DNS
• Kafka
• Kubernetes
• Python
• Terraform

Benefits

• Health & Wellness: Health care coverage designed for the mind and body.
• Flexible Downtime: Generous time off helps keep you energized for your time on.
• Continuous Learning: Access a wealth of resources to grow your career and learn valuable new skills.
• Invest in Your Future: Secure your financial future through competitive pay, retirement planning, a continuing education program with a company-matched student loan contribution, and financial wellness programs.
• Family Friendly Perks: It’s not just about you. S&P Global has perks for your partners and little ones, too, with some best-in class benefits for families.
• Beyond the Basics: From retail discounts to referral incentive awards—small perks can make a big difference.