AWS Cloud Infrastructure Engineer

Role: The Cloud Infrastructure Engineer is an experienced individual contributor responsible for designing, implementing, and operating secure, scalable, and highly available AWS infrastructure supporting a production-grade, multi-account B2B SaaS platform in the financial services industry. This role is critical to maintaining platform resilience, security, automation maturity, and operational excellence across production and non-production environments. The engineer operates with moderate autonomy, owning defined areas of the AWS environment while contributing to infrastructure standards, reliability engineering, and security best practices. Responsibilities Design, build, and maintain AWS infrastructure across production and non-production environments Support application deployments and underlying platform services required for reliable operation Implement and manage infrastructure using Infrastructure as Code (Terraform) Configure and maintain AWS services including compute, storage, networking, and managed services Monitor infrastructure health, availability, and performance; respond to incidents and perform root cause analysis Partner with application engineering and security teams to support system reliability and scalability Implement and maintain backup, disaster recovery, and high-availability solutions Support automation related to infrastructure provisioning and application deployments Manage IAM roles, permissions, and access controls in alignment with security policies Contribute to cloud cost monitoring and optimization efforts Maintain documentation, runbooks, and operational procedures Participate in on-call or incident response rotations as required Core AWS