Flex

Senior Staff Infrastructure Engineer

Flex

full-time

Posted on:

Location Type: Remote

Location: United States

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Salary

💰 $240,000 - $300,000 per year

Job Level

About the role

  • Define the long-term technical strategy for scalable and resilient infrastructure
  • Serve as the top technical authority ensuring the entire infrastructure platform aligns with critical business objectives
  • Own the end-to-end "build vs. buy" evaluation and decision process for all major infrastructure technology
  • Serve as a hands-on technical authority, with the ability to dive deep into any part of the technology stack
  • Establish and evangelize a world-class SRE culture and practices across all engineering teams
  • Own and drive significant improvements in the end-to-end developer experience
  • Take command of major, high-severity incident responses that cross team boundaries
  • Lead the vision for hyper-automation across the infrastructure domain
  • Communicate complex technical strategies and decisions with executive leadership

Requirements

  • Minimum of 10 years of cloud infrastructure experience
  • Deep mastery and architectural-level experience in designing, building, and operating highly-scaled, resilient cloud infrastructure on AWS
  • Expert-level proficiency and a track record of driving Infrastructure as Code (IaC) best practices using Terraform
  • Extensive experience in architecting and managing enterprise-grade, highly-available Kubernetes (EKS) and microservice platforms
  • Ownership of and demonstrated expertise in defining and implementing world-class CI/CD pipelines (e.g., GitHub Actions)
  • Proven track record of architecting and delivering internal self-service platforms
  • Deep understanding and hands-on experience with advanced networking concepts
  • Exceptional technical communication and cross-functional leadership skills
  • Demonstrated experience defining and leading the implementation of a unified, end-to-end observability framework
  • Experience coding/reading in one of the industry standard language such as Java, Python, TypeScript
Benefits
  • Competitive medical, dental, and vision available from Day 1
  • Company equity
  • 401(k) plan with company match (our company match kicks off at the beginning of 2026)
  • Unlimited paid time off + 13 company paid holidays
  • Parental leave
  • Flex Cares Program
  • Free Flex subscription
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
cloud infrastructureAWSInfrastructure as CodeTerraformKubernetesEKSCI/CD pipelinesGitHub Actionsnetworking conceptsJava
Soft Skills
technical communicationcross-functional leadership