Senior Site Reliability Engineer

Meet the Team The ThousandEyes Efficiency & Performance team is responsible for improving the reliability, scalability, performance, and cost efficiency of the ThousandEyes cloud platform. The team partners closely with engineering, platform, finance, product, and leadership team members to drive infrastructure optimization, cloud cost governance, performance improvements, and operational excellence across AWS environments. As a Senior Site Reliability Engineer in the Efficiency & Performance team, you will play a key role in managing and optimizing ThousandEyes cloud infrastructure cost, improving AWS efficiency, driving FinOps practices, and helping engineering teams make data-driven decisions around cost, performance, and scalability. Your Impact Own and drive AWS cost optimization and efficiency initiatives across ThousandEyes infrastructure. Analyze cloud usage across compute, storage, databases, observability, networking, and data platform workloads to identify savings opportunities. Partner with engineering teams to improve application and infrastructure performance while reducing cloud wastage. Drive FinOps practices including cost visibility, tagging hygiene, showback/chargeback, budgeting, forecasting, anomaly detection, and cost allocation. Improve infrastructure efficiency through better resource utilization, autoscaling, right-sizing, and capacity planning. Build automation, dashboards, reports, and guardrails to improve cost governance and operational visibility. Support ThousandEyes cost reviews, OKR tracking, leadership updates, and stakeholder communications. Collaborate with product, finance, engineering, and platform teams to align cost optimization with business priorities. Identify and reduce underutilized infrastructure, idle resources, over-provisioned workloads, and inefficient service usage. Improve observability, alerting, and monitoring for cost, performance, and platform health indicators. Influence engineering teams to adopt cost-aware architecture, reliable design patterns, and performance-efficient implementation practices. Provide senior-level technical leadership, mentor engineers, and independently drive cross-functional initiatives to closure. Balance reliability, scalability, performance, and cost efficiency in all platform decisions. Minimum Qualifications Bachelor’s degree or higher in Engineering, Computer Science, or equivalent practical experience. 8–12 years of relevant experience in Site Reliability Engineering, Cloud Infrastructure, Platform Engineering, DevOps, Production Engineering, or Performance Engineering. Strong experience with AWS services such as EC2, S3, RDS, EMR, Lambda, CloudWatch, OpenSearch, ElastiCache, IAM, VPC, and related cloud-native services. Practical experience in cloud cost optimization, FinOps, AWS billing analysis, cost allocation, tagging, budget tracking, forecasting, and cost governance.