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Role Description

Flex is looking for a seasoned Senior Infrastructure Engineer with a passion for performance optimization to join our dynamic Infrastructure Team.

• Be part of the Infrastructure Engineering team responsible for creating a sustainable platform that ensures the effectiveness, reliability, and scalability of our systems.
• Design, build, and maintain robust and scalable infrastructure.
• Collaborate closely with service engineering teams to automate processes, streamline operations, and ensure optimal system performance and reliability in our cloud infrastructure on AWS and GCP.
• Utilize deep knowledge of cloud architecture and SRE principles to steer AI tools effectively.
• Influence key infrastructure and architecture decisions while ensuring high reliability and smooth delivery pipelines.

Qualifications

• 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 languages such as Java, Python, or TypeScript.

Requirements

• Minimum of 5 years of cloud infrastructure experience.

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.