Senior SRE Lead: Cloud, Observability & Automation

Frontier Airlines; Denver (CO); On-site; USD 110,000 - 146,000; Full time

Benefits offered by this job

Medical coverage

401(k) retirement savings options

Travel privileges

Buddy passes

Employee discounts

Hybrid schedule for Denver HQ roles

HOPE League support

Job summary

Frontier Airlines seeks a Lead Site Reliability Engineer (SRE) to drive reliability, scalability, and performance of mission‑critical platforms. You will partner with engineering, platform, security, and operations teams to implement resilient systems and automate operations.

This senior role requires deep AWS, Kubernetes, observability, and DevSecOps expertise, shaping reliability practices across the enterprise and mentoring teams toward best‑in‑class availability.

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.
• Deep understanding of Kubernetes, container orchestration, microservices, and distributed systems.
• Extensive experience with DevSecOps, CI/CD pipelines, Infrastructure as Code, and automation frameworks.
• Strong knowledge of Site Reliability Engineering (SRE), operational excellence, and platform reliability practices.
• Experience implementing cloud governance, FinOps, and cost optimization programs.

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.
• Lead capacity planning, performance engineering, availability management, and scalability assessments.
• Partner with FinOps and engineering teams to optimize cloud resource utilization while maintaining reliability objectives.
• Evaluate emerging technologies, AIOps, Generative AI, and intelligent automation solutions to improve platform reliability and operational effectiveness.
• Mentor SREs, platform engineers, and software engineers in reliability practices, observability, automation, and operational excellence.
• Develop executive-level reliability roadmaps, operational strategies, and platform investment recommendations.

Skills

AWS architecture

Kubernetes

DevSecOps

CI/CD automation

Observability

Distributed systems

Education

Bachelor’s degree in CS/Engineering/IT

Tools

Terraform

CloudFormation

EKS

Job description

Frontier Airlines seeks a Lead Site Reliability Engineer (SRE) to drive reliability, scalability, and performance of mission‑critical platforms. You will partner with engineering, platform, security, and operations teams to implement resilient systems and automate operations.

This senior role requires deep AWS, Kubernetes, observability, and DevSecOps expertise, shaping reliability practices across the enterprise and mentoring teams toward best‑in‑class availability.