Senior Site Reliability Engineer

What’s in it for you?

Ready to make a serious impact? Millions of people already rely on Calendly, and we’re still in the midst of exciting product growth — it’s a fantastic time to join us. Everything you’ll work on here will accelerate your career to the next level. If you want to learn, grow, and do the best work of your life alongside the best people you’ve ever worked with, then we hope you’ll consider allowing Calendly to be a part of your professional journey.

What’s so great about working on Calendly’s Engineering team? We make things possible for our customers through impactful innovation.

Why do we need you? We’re looking for a Site Reliability Engineer who will bring creative problem solving and a keen eye for detail. You will report to a Senior Manager of Engineering and be responsible for designing, building, maintaining, and operating our next-generation infrastructure platform. With a growing team and a mindset for scalability, SREs build their own tools, deploy open-source solutions, and consume cloud services as needed to extend the platform.

As a Senior Site Reliability Engineer at Calendly, you’ll use your expertise of the infrastructure to empower application engineering teams. This includes enabling and evangelizing monitoring best practices, and advising on optimal infrastructure use. An ideal candidate demonstrates exceptional skills in communicating patterns and improvements that automate tasks, support stability, and improve performance.

• Building tools and applications to extend Calendly’s infrastructure platform
• Evaluating and deploying cloud native open source tools
• Exercising expertise in cloud infrastructure concepts and patterns
• Instituting resilient infrastructure through Infrastructure as code
• Maintaining and improving observability of our infrastructure platform, and offering patterns for application teams to consume for application observability
• Participating in an on‑call rotation to support the infrastructure platform
• Fostering a collaborative environment of learning and knowledge dissemination
• Defining standard practices and tooling around new services, changes, incidents, postmortems, and capacity management, and working with application engineering teams to adopt those practices

• An eagerness and drive to learn, and the skills for sharing your knowledge with and mentoring others
• Creative problem‑solving, a keen eye for detail, and the ability to think your way through complex issues
• Comfortable working directly with internal facing customers to understand needs/requirements and collaborate on solutions
• A strong understanding of the Linux operating system
• Strong technical knowledge of cloud infrastructure (especially GCP), distributed systems, and reliability practices
• Deep experience designing, building, and running highly‑available production infrastructure
• Strong Golang or Python development experience; especially writing APIs to build, orchestrate, and manage cloud infrastructure
• Solid working knowledge of patterns and principles for designing and implementing cloud native applications on Kubernetes, such as Controllers and Operators
• Robust knowledge of computer networking principles and extensive experience with cloud networking technologies to create scalable and secure environments
• Extensive working experience with software and infrastructure monitoring tools (especially Datadog)
• Authorized to work lawfully in the United States of America as Calendly does not engage in immigration sponsorship at this time