Join to apply for the Senior Site Reliability Engineer role at Circle
Circle is a financial technology company at the epicenter of the emerging internet of money, where value can travel globally, nearly instantly and less expensively than legacy settlement systems. Our infrastructure includes USDC, a blockchain-based dollar, to help businesses, institutions and developers harness breakthroughs in payments, commerce and markets.
What You’ll Be Part Of
Circle is committed to visibility and stability in everything we do. We value integrity, foresight, multi-stakeholder collaboration, mindfulness, and excellence. We foster a flexible, diverse work environment where new ideas are encouraged and everyone is a stakeholder.
What You’ll Be Responsible For
As a Site Reliability Engineer at Circle, you’ll use AI-powered insights to build and maintain production infrastructure across multiple public cloud regions, serving a rapidly expanding global customer base. You’ll apply your experience and AI-enabled solutions to keep Circle’s products and core systems running reliably and with top-tier performance, in a collaborative, ever-evolving environment.
What You’ll Work On
* Empower agile development teams with a high-performance CI/CD pipeline, ensuring fast, high-quality releases with measurable performance and quality metrics.
* Design, maintain, and secure cloud infrastructure using Infrastructure-as-Code tools like Terraform and Crossplane.
* Automate operational tasks using Go, Python, and serverless solutions (AWS Lambda, Kubernetes Jobs).
* Manage and monitor Kubernetes clusters for multiple production workloads.
* Develop and maintain blockchain infrastructure, managing nodes across Ethereum, Solana, Arbitrum, Base, Avalanche, and others.
* Ensure system reliability and security by participating in on-call rotations, troubleshooting disruptions, conducting root cause analysis, and collaborating with Security teams.
* Plan, test, and implement disaster recovery strategies for a highly available microservices architecture.
* Leverage AI-powered solutions for managing infrastructure, analyzing logs, detecting anomalies, capacity planning, and performance optimization.
* Mentor and support team growth, fostering collaboration and scalability.
Role Level and Career Path
* Site Reliability Engineer (II)
* Senior Site Reliability Engineer (III)
What You’ll Bring To Circle (not All Required)
Site Reliability Engineer (II)
* 2+ years in DevOps or SRE roles with focus on tooling, automation, and infrastructure on a public cloud provider (AWS, Azure, GCP)
* 1+ years in CI/CD platform development and microservices support
* Proficiency in Go, Python, and Shell
* Eagerness to learn emerging AI tools
* Excellent communication and collaboration skills
* Observability, troubleshooting, and performance optimization in complex, distributed systems
* Experience with:
o Kubernetes clusters at scale, containerization, and Helm
o Modern CI/CD platforms and workflow gates
o Distributed blockchain systems and full nodes
o Networking (routing, DNS, load balancing, edge networking)
o APM, RUM, monitoring, and telemetry tools
o Database technologies (PostgreSQL, Redis, OpenSearch)
o Data migration and transformation of large datasets
o Data warehousing (Apache Airflow, AWS DMS, Snowflake)
o Infrastructure as Code (Terraform or Crossplane)
o AI tools (GitHub Copilot, Gemini, and ChatGPT) for productivity and code quality
o LLMs and AI in software development and operations
Senior Site Reliability Engineer (III)
* All requirements of the II level, plus
* 4+ years in DevOps or SRE roles
* 3+ years in CI/CD platform development and microservices support
* Strong observability, problem-solving, and performance optimization in distributed systems
* Hands-on experience with Blue-Green, Canary, and A/B testing deployment strategies
Circle is committed to an inclusive financial future. Compensation ranges are based on various factors including experience, skills, and location. Starting pay is determined accordingly. EEO statements apply, and Circle participates in the E-Verify Program where required.
Base Salary Range
* Site Reliability Engineer (II): $120,000 - $162,500
* Senior Site Reliability Engineer (III): $147,500 - $195,000
Equal Opportunity
We are an equal opportunity employer and value diversity at Circle. We do not discriminate on race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status. Circle participates in the E-Verify Program where required by law.
If you require accommodations or assistance in our interview process due to a disability, please contact accommodations@circle.com for support. We respect your privacy and will connect with you separately from the interview process to address your needs.
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