SeniorStaff Site Reliability Engineer

Circle (NYSE: CRCL) is one of the worlds leading internet financial platform companies building the foundation of a more open global economy through digital assets payment applications and programmable blockchain infrastructure. Circles platform includes the worlds largest regulated stablecoin network anchored by USDC Circle Payments Network for global money movement and Arc an enterprise-grade blockchain designed to become the Economic OS for the internet. Enterprises financial institutions and developers use Circle to power trusted internet-scale financial innovation. Learn more at .

What youll be part of:

Circle is committed to visibility and stability in everything we do. As we grow as an organization were expanding into some of the worlds strongest jurisdictions. Speed and efficiency are motivators for our success and our employees live by our company values: High Integrity Future Forward Multistakeholder Mindful and Driven by Excellence. We have built a flexible work environment where new ideas are encouraged and everyone is a stakeholder.

What youll be responsible for:

As a Site Reliability Engineer at Circle youll harness AI-powered insights to build and maintain our production infrastructure estate enabling us to serve a rapidly expanding global customer base across multiple public cloud regions. Youll apply your experience technical expertise and AI-enabled solutions to keep Circles products and core systems running consistently reliably and with top-tier a fun collaborative and ever-evolving environment youll have ample opportunities to develop new skills partner with diverse and cross-functional teams across the organization and stay on the cutting edge of technology.

What youll 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 on security-focused tools and frameworks.

• 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 maintaining predictively and optimizing performance.

• Mentor and support team growth fostering collaboration and scalability.

Here is our team hierarchy for individual contributors:

Sr. Site Reliability Engineer (III)

Staff Site Reliability Engineer (IV)

What youll bring to Circle (not all required):

Senior Site Reliability Engineer (III)

• 4 years in DevOps or SRE roles

• 3 years in CI/CD platform development and microservices suppor

• Strong observability problem-solving and performance optimization skills in complex distributed systems

• Hands-on experience with Blue-Green Canary and A/B Testing deployment strategies for services and databasesUnderstanding of multi-region and multi-cloud architectures

• Proficiency in Go Python and Shell

• Proficiency in AI tools utilization to support daily activities

• Excellent communication skillsable to break down technical concepts and foster collaboration

• Observability troubleshooting and performance optimization skills in complex distributed systems

• Experience with:

  • Kubernetes clusters at scale containerization and Helm charts

  • Modern CI/CD platforms with seemingly complex gates and workflows

  • Distributed blockchain systems and blockchain full nodes

  • Networking (routing DNS load balancing edge networking)

  • APM RUM monitoring and telemetry tools

  • Database technologies (PostgreSQL Redis OpenSearch)

  • Migrating and transforming large complex datasets from diverse sources structures and formats

  • Data warehousing (Apache Airflow AWS DMS Snowflake)

  • IaC with Terraform or Crossplane for cloud deployments

  • AI tools (GitHub Copilot Gemini and ChatGPT) for productivity and code quality

  • Large Language Models (LLMs) and AI applications in software development and operations

Staff Site Reliability Engineer (IV)

All the requirements of Site Reliability Engineer (III) and:

• 7 years in DevOps or SRE roles

• 5 years in CI/CD platform development and microservices support

• Understanding macro activities and how to subdivide them maintaining the focus

• Familiarity with multi-region and multi-cloud architectures and their implementations

Circle is on a mission to create an inclusive financial future with transparency at our core. We consider a wide variety of elements when crafting our compensation ranges and total compensation packages.

Starting pay is determined by various factors including but not limited to: relevant experience skill set qualifications and other business and organizational needs. Please note that compensation ranges may differ for candidates in other locations.

We are an equal opportunity employer. We do not discriminate on the basis of race religion color national origin gender sexual orientation age marital status veteran status or disability status or any other protected status required by the laws in the locations where we hire. Additionally Circle participates in the E-Verify Program in certain locations as required by law.

Should you require accommodations or assistance in our interview process because of a disability please reach out tofor support. We respect your privacy and will connect with you separately from our interview process to accommodate your needs.

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