Site Reliability Engineer

Role Overview

CardioOne is hiring a Site Reliability Engineer (SRE) to ensure the reliability, scalability, security, and performance of production systems. The SRE will bridge software development and operations by implementing automation, monitoring, and best practices to enable rapid, reliable delivery of applications.

You will report directly to the Senior Director of Engineering.

Responsibilities

Reliability & Performance

• Ensure high availability, scalability, and performance of production systems
• Implement and maintain SLIs, SLOs, and SLAs for critical services
• Perform capacity planning and performance tuning

Automation & Tooling

• Automate infrastructure provisioning using Terraform/Terragrunt and Ansible
• Build automation to reduce manual operations and improve deployment workflows
• Create CI/CD pipelines for rapid, reliable deployments

Monitoring & Incident Response

• Design and maintain monitoring, logging, and alerting systems (Datadog)
• Participate in on-call rotations and lead incident response
• Conduct root-cause analysis and write postmortems to prevent recurrence

Systems Engineering

• Manage cloud infrastructure on AWS and Azure
• Work with container orchestration platforms: Kubernetes and ECS
• Optimize architectures for reliability and fault tolerance
• Apply security, networking, and service resilience best practices

Collaboration & Leadership

• Partner with development teams to design reliable microservices and distributed systems
• Advocate for SRE principles and drive operational excellence
• Mentor engineers on reliability practices, tooling, and automation

Requirements

• Bachelor’s degree in CS/Engineering or equivalent experience
• 3–7 years in SRE, DevOps, or Systems Engineering
• Strong proficiency with Linux and shell scripting
• Cloud experience: AWS and Azure
• Hands-on container experience: Kubernetes/ECS and Docker
• Programming: Python or Java
• Experience with CI/CD pipelines and DevOps tooling
• Strong understanding of distributed systems, networking, and security

Preferred Qualifications

• Observability stacks using OpenTelemetry
• Database management: PostgreSQL
• Configuration management: Ansible, Chef, Puppet
• Knowledge of zero-downtime deployments and chaos engineering

Soft Skills

• Strong analytical/problem-solving skills
• Excellent communication and cross-team collaboration
• Ability to thrive in fast-paced, high-stakes environments
• Continuous improvement and operational excellence mindset

Work Location

Remote (Colorado or Delaware/Florida/New Hampshire/New Jersey/New York/Pennsylvania/Texas)