Lead Site Reliability Engineer - Hybrid Cloud & Observability

Frontier Airlines, Inc.; Denver, Northern (CO, KY); Hybrid; USD 110,000 - 146,000; Full time

Benefits offered by this job

Medical, dental and vision

401(k) retirement savings

Paid holidays, vacation time and sick

Travel privileges

Buddy passes

Employee discounts

Hybrid schedule in Denver

Casual dress code

HOPE League

Job summary

Frontier Airlines, Inc. is seeking a senior Lead Site Reliability Engineer (SRE) to ensure reliability, scalability, and performance of mission-critical platforms.

You will partner with engineering, platform, security, and operations teams to build resilient systems and drive automation across the organization. The role emphasizes DevSecOps practices, IaC, observability, and incident leadership, with hybrid work options for Denver-based HQ roles.

Qualifications

• Bachelor’s degree in computer science, Engineering, Information Technology, or a related discipline.
• 10+ years of experience in software engineering, cloud architecture, infrastructure engineering, or enterprise architecture.
• 5+ years of hands-on AWS architecture and cloud transformation experience.
• Proven success leading large-scale cloud migrations and modernization initiatives.
• Experience designing and supporting highly available, mission-critical, customer-facing platforms.

Responsibilities

• Lead the design and implementation of highly available, resilient, and scalable cloud platforms leveraging AWS services and cloud-native technologies.
• Define and execute reliability engineering strategies, service level objectives (SLOs), service level indicators (SLIs), and error budgets across critical business services.
• Architect and operate Kubernetes-based platforms supporting containerized and microservices-based applications.
• Establish enterprise standards for reliability, availability, disaster recovery, resiliency testing, and operational excellence.
• Partner with software engineering, platform engineering, security, and operations teams to improve service reliability and reduce operational risk.
• Drive adoption of DevSecOps practices, CI/CD automation, Infrastructure as Code (IaC), and self-service platform capabilities.
• Define and implement observability standards including monitoring, logging, distributed tracing, synthetic monitoring, and operational intelligence.
• Lead incident response, post-incident reviews, root cause analyses (RCA), and continuous improvement initiatives.
• Identify and eliminate single points of failure through proactive reliability engineering and resilient architecture practices.
• Design and implement automated remediation, self-healing capabilities, and proactive alerting solutions to improve operational efficiency.

Skills

AWS

Kubernetes

Observability

DevSecOps

CI/CD

Automation

SRE

Leadership

Incident Management

RCA

Education

Bachelor's degree in computer science, Engineering, Information Technology, or a related discipline

Tools

Terraform

CloudFormation

Docker

CI/CD tooling

Job description

Frontier Airlines, Inc. is seeking a senior Lead Site Reliability Engineer (SRE) to ensure reliability, scalability, and performance of mission-critical platforms.

You will partner with engineering, platform, security, and operations teams to build resilient systems and drive automation across the organization. The role emphasizes DevSecOps practices, IaC, observability, and incident leadership, with hybrid work options for Denver-based HQ roles.