Senior Site Reliability Engineer

Calendly

Senior Site Reliability Engineer at Calendly empowering application engineering teams through robust infrastructure design. Collaborating to maintain highly-available services and implement best practices for monitoring and observability.

Posted 4/14/2026full-timeRemote • 🇺🇸 United StatesSenior💰 $198,025 - $287,952 per yearWebsite

Tech Stack

Tools & technologies

CloudDistributed SystemsGoGoogle Cloud PlatformKubernetesLinuxOpen SourcePython

About the role

Key responsibilities & impact

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

Requirements

What you’ll need

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.

Benefits

Comp & perks

Health insurance
Retirement plans
Paid time off
Flexible work arrangements
Professional development
Bonuses
Stock options
Equipment allowances

ATS Keywords

✓ Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools

cloud infrastructureGCPLinuxGolangPythonKubernetesAPIscloud native applicationscomputer networkinginfrastructure as code

Soft Skills

eagerness to learnknowledge sharingcreative problem-solvingattention to detailcollaborationmentoringcustomer engagementcomplex issue resolutioncapacity managementresilience