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.

About the team & opportunity

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? Well, we are 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.

A day in the life of a Site Reliability Engineer at Calendly

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.

On a typical day, you will be working on:

• Building tools and applications to extends 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 offers 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 work with application engineering teams to adopt those practices

What do we need from you?

• An eagerness and drive to learn, and the skills for sharing your knowledge with and mentor others
• Creative problem-solving, a keen eye for detail, and can 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

Our Hiring Process:

We aim to provide an inclusive and equitable candidate experience to everyone who expresses interest in working at Calendly. To learn more about our hiring process, please visit our careers page at

Once selected for an opportunity, the recruiter assigned to the role will keep you informed every step of the way. Have questions? Let your recruiter know! Want to share your experience? We are passionately committed to improving and building on our process, and we consider feedback a gift. 

If you are an individual with a disability and would like to request a reasonable accommodation as part of the application or recruiting process, please contact us at View email address on click.appcast.io. 

Calendly is registered as an employer in many, but not all, states. If you are located in Alaska, Alabama, Delaware, Hawaii, Idaho, Montana, North Dakota, South Dakota, Nebraska, Iowa, West Virginia, and Rhode Island, you will not be eligible for employment. Note that all individual roles will specify location eligibility.

All candidates can find our Candidate Privacy Statement here

Candidates residing in California may visit our Notice at Collection for California Candidates here: Notice at Collection

Tier 1 Salary Hiring Range $237,630—$287,952 USD Tier 2 Salary Hiring Range $217,828—$263,956 USD Tier 3 Salary Hiring Range $198,025—$239,960 USD

The ranges listed above are the expected annual base salary for this role, subject to change.

Calendly takes a number of factors into consideration when determining an employee’s starting salary, including relevant experience, relevant skills sets, interview performance, location/metropolitan area, and internal pay equity.

Base salary is just one component of Calendly’s total rewards package. All full-time (30 hours/week) employees are also eligible for our Top Performer Bonus program (or Sales incentive), equity awards, and competitive benefits.

Calendly uses the zip code of an employee’s remote work location, or the onsite building location if hybrid, to determine which metropolitan pay range we use. Current geographic zones are as follows:

• Tier 1: San Francisco, CA, San Jose, CA, New York City, NY
• Tier 2: Chicago, IL, Austin, TX, Denver, CO, Boston, MA, Washington D.C., Philadelphia, PA, Portland, OR, Seattle, WA, Miami, FL, and all other cities in CA.
• Tier 3: All other locations not in Tier 1 or Tier 2

If you are an individual with a disability and would like to request a reasonable accommodation as part of the application or recruiting process, please let your Recruiter know when first connecting with them. Calendly is registered as an employer in many, but not all, states. If you are located in Alaska, Delaware, Hawaii, Idaho, Iowa, Montana, Nebraska, North Dakota, Rhode Island, South Dakota, and West Virginia, you will not be eligible for employment. Note that all individual roles will specify location eligibility.

All candidates can find our Candidate Privacy Statement here

Candidates residing in California may visit our Notice at Collection for California Candidates here: Notice at Collection

This role may require occasional travel for company events, team collaboration, or offsites.