Flex

Senior Infrastructure Engineer

Flex

full-time

Posted on:

Location Type: Remote

Location: United States

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Salary

💰 $146,200 - $212,000 per year

Job Level

About the role

  • Collaborate with service engineering teams to design, implement, and maintain scalable and resilient infrastructure solutions optimizing for performance, resilience, and cost.
  • Ensure infrastructure aligns with business requirements and industry standards.
  • Leverage Terraform to automate infrastructure provisioning and configurations.
  • Implement SRE principles to improve system reliability and reduce downtime.
  • Improve developer workflows by creating self-service tools, optimizing CI/CD pipelines, and enhancing deployment processes to remove friction.
  • Develop and maintain robust monitoring and alerting systems to proactively identify and resolve issues.
  • Lead incident responses, manage on-call rotations, and facilitate post-incident reviews to drive continuous improvement and resilience.
  • Automate everything—drive adoption of Infrastructure as Code (IaC) and build automated pipelines for testing, monitoring, and deployments.
  • Leverage your excellent written and verbal communication skills, to create communications on upcoming changes and how they affect teams.

Requirements

  • Proven experience in building, scaling and monitoring cloud infrastructure on AWS, especially EKS, S3, RDS, API Gateway, Load Balancers, VPC, Lambdas, DocumentDB and DynamoDB.
  • Proven experience using Terraform to update and maintain cloud infrastructure.
  • Proven experience with containerized applications, kubernetes and microservice deployments.
  • Strong knowledge of GitHub Actions and CI/CD best practices.
  • Experience with developer productivity tools: designing CI/CD workflows, building internal tools, and creating self-service solutions to streamline software development.
  • Knowledge of monitoring and observability tools and frameworks, with working knowledge of Datadog being a plus.
  • Familiarity with networking concepts (DNS, load balancing, firewalls, VPNs).
  • Strong collaboration skills with the ability to work effectively across teams and communicate technical ideas clearly.
  • 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
TerraformAWSEKSS3RDSAPI GatewayLoad BalancersVPCLambdasDynamoDB
Soft Skills
collaborationcommunicationincident responsecontinuous improvementproblem-solving