Senior SRE Architect: Cloud Reliability

Socket.dev; Denver (CO); Hybrid; USD 110,000 - 146,000; Full time

Benefits offered by this job

Medical, dental and vision coverage

401(k) retirement savings options

Paid holidays, vacation time and sick,

Travel privileges on Frontier Airlines

Buddy passes

Travel-related discounts

Hybrid schedule for HQ roles in Denver

Job summary

Frontier Airlines, a Denver-based carrier, is seeking a Lead Site Reliability Engineer to drive the reliability, scalability, and performance of mission-critical platforms. You will partner with engineering, platform, security and operations teams to build resilient systems and advocate reliability-driven engineering practices across the organization.

You should bring deep expertise in AWS, Kubernetes, observability, and DevSecOps, with a track record of leading large-scale cloud migrations,

Qualifications

• Bachelor’s degree in computer science, engineering, information technology, or related field.
• 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 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 design of highly available, resilient cloud platforms using AWS.
• Define reliability strategies with SLOs/SLIs and error budgets for critical services.
• Architect Kubernetes-based platforms supporting containerized apps.
• Establish enterprise standards for reliability, availability, and disaster recovery.
• Partner with engineering, security, and operations to improve service reliability.
• Drive DevSecOps adoption, CI/CD automation, and Infrastructure as Code.
• Define observability standards: monitoring, logging, tracing, and analytics.
• Lead incident response, RCAs, and continuous improvement initiatives.
• Eliminate single points of failure through proactive reliability engineering.
• Design automated remediation and self-healing capabilities.
• Lead capacity planning, performance engineering, and scalability assessments.
• Collaborate on FinOps to optimize cloud resource use.
• Evaluate AIOps and generative AI to improve reliability.
• Mentor SREs and engineers in reliability practices.

Skills

Leadership

Operational strategy

Executive communication

Cross-functional collaboration

Education

Bachelor's degree in CS/Engineering/IT

Tools

AWS

Kubernetes (EKS)

Terraform

CloudFormation

CI/CD pipelines

Monitoring tools

Job description

Frontier Airlines, a Denver-based carrier, is seeking a Lead Site Reliability Engineer to drive the reliability, scalability, and performance of mission-critical platforms. You will partner with engineering, platform, security and operations teams to build resilient systems and advocate reliability-driven engineering practices across the organization.

You should bring deep expertise in AWS, Kubernetes, observability, and DevSecOps, with a track record of leading large-scale cloud migrations,