Circle is hiring a
Senior or Staff Site Reliability Engineer

Summary

The job is for a Senior Site Reliability Engineer at Circle, responsible for designing, building, and maintaining Circle's infrastructure estate to support the growing global customer base. The role requires proficiency with coding and scripting, experience in CI/CD platforms, container deployment, distributed blockchain systems, database technologies, and more.

Requirements

• 4+ years in DevOps or SRE roles, with a focus on tooling, automation, and infrastructure on a major public cloud provider
• Proficiency with coding and/or scripting with the following languages (Go, Python, Shell)
• At least 3 years of combined experience in building and maintaining CI/CD platforms and supporting agile engineering teams in building microservices
• Experience with: Building Docker images and deploying containers in Kubernetes clusters; Any modern CI/CD platform with seemingly complex gates and workflows; Blue-Green, Canary, and A/B Testing deployment strategies; Distributed blockchain systems, running and maintaining blockchain full nodes; Database technologies (PostgreSQL, Redis, OpenSearch); Migrating and transforming large, complex datasets from diverse sources, structures, and formats; Data warehousing tooling and services (Apache Airflow, AWS DMS, Snowflake); Knowledge of networking routing, DNS, load balancing, and edge networking; Knowledge of APM, RUM, monitoring, and telemetry tools; Helm charts and deploying and maintaining Kubernetes clusters; Authoring and maintaining IaC with Terraform and using IaC to deploy resources in AWS, Azure, GCP, or any other public cloud providers
• Strong skills around observability, troubleshooting, and performance solutions
• Ability and eagerness to deep dive into understanding, debugging, and improving any layer of the tech stack
• Exhibit strong communication skills and ability to explain technical concepts to peers and stakeholders

Responsibilities

• Design, build, and maintain Circle’s infrastructure estate to meet the growing worldwide customer base on public cloud providers across multiple regions
• Support multiple development teams with an agile, responsive CI/CD platform to deliver high-quality builds with measurable performance and quality
• Build, maintain, improve, scale, and secure cloud infrastructure and resources using IaC tools (Terraform, CloudFormation, Ansible)
• Automate operational tasks via Go, Python, and serverless solutions (AWS Lambda, Kubernetes Jobs)
• Design, manage, and monitor Kubernetes clusters for multiple production workloads
• Driving forward our blockchain infrastructure by creating and managing blockchain nodes across a wide variety of blockchains
• Participate in an on-call rotation to mitigate disruption for any production systems and conduct root cause analysis
• Plan and test disaster recovery scenarios for a highly available microservices architecture
• Collaborate with the Security team to create and maintain security-focused tools and frameworks and exert a top-class security posture
• Engaging and mentoring team members and helping grow and scale the team