✦ Luna Orbit — DevOps & SRE

Senior Site Reliability Engineer

at Calendly

📍 Remote - US Remote Posted April 16, 2026
Type Not Specified
Experience senior
Exp. Years Not specified
Education Not specified
Category DevOps & SRE

Calendly is looking for a Senior Site Reliability Engineer to design, build, maintain, and operate its next-generation infrastructure platform. The role focuses on enabling application teams with monitoring and observability practices, automating operational work, and ensuring reliability through resilient infrastructure and on-call support.

  • Build tools and applications to extend infrastructure platform, evaluate and deploy cloud native open source tools, institute resilient infrastructure through Infrastructure as code, maintain and improve observability and monitoring patterns, participate in on-call rotation and define practices for incidents/postmortems/capacity management

You will work on infrastructure platform tooling and applications, deploy cloud native open source solutions, and implement Infrastructure as code to build resilience. The position emphasizes monitoring, observability patterns, distributed systems reliability, and incident/postmortem-driven standardization—primarily in Google Cloud Platform (GCP) environments.

The ideal candidate is a Senior Site Reliability Engineer with deep experience designing, building, and running highly-available production infrastructure. They have strong Linux and cloud infrastructure knowledge (especially Google Cloud Platform), practical distributed systems and reliability experience, and can drive monitoring, observability, and automation improvements through effective communication.

A strong understanding of the Linux operating systemStrong technical knowledge of cloud infrastructure (especially GCP)distributed systemsand reliability practicesDeep experience designingbuildingand running highly-available production infrastructure
GCP (Google Cloud Platform)Infrastructure as code
infrastructure platformmonitoring best practicesobservabilityInfrastructure as codecloud infrastructureGCPdistributed systemsreliability practicesLinux operating systemhighly-available production infrastructurecloud native open source toolson-call rotationpostmortemscapacity managementautomate tasksperformanceincidents
infrastructure platformdesigningbuildingmaintainingand operating infrastructuremonitoring best practicescloud infrastructure concepts and patternsdistributed systemsreliability practicesLinux operating systemcloud infrastructure (especially GCP)highly-available production infrastructureInfrastructure as codeobservability of infrastructure platformbuilding tools and applications to extend infrastructure platformevaluating and deploying cloud native open source toolson-call rotationpostmortemscapacity managementincident management
creative problem solvingkeen eye for detailexceptional skills in communicating patterns and improvementscollaborative environment of learning and knowledge disseminationcommunicate and evangelize monitoring best practicescomfort communicating and collaborating with application engineering teamsmentoring and sharing knowledgework directly with internal facing customers to understand needs/requirements
Industry SaaS
Job Function Operate and improve a cloud infrastructure platform with reliability engineering practices, monitoring, and automation
Role Subtype Site Reliability Engineer
Tech Domains DevOps & SRE, Google Cloud Platform, Linux
Senior Site Reliability EngineerSite Reliability EngineerSREinfrastructuredesigningbuildingmaintainingoperatinginfrastructure platformmonitoring best practicesobservabilityInfrastructure as codecloud infrastructureGCPGoogle Cloud Platformdistributed systemsreliability practicesLinux operating systemhighly-available production infrastructurecloud native open source toolson-call rotationpostmortemscapacity managementincidentsautomate tasksperformance

No strong understanding of the Linux operating system, No strong technical knowledge of cloud infrastructure (especially GCP), distributed systems, and reliability practices, No deep experience designing, building, and running highly-available production infrastructure

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