Primarily support AWS environments, including Windows and Linux virtual machines, container workloads, and cloud-native services such as EC2, EBS, S3, RDS, EKS, ECS, IAM, CloudTrail, GuardDuty, Security Hub, WorkSpaces, and related AWS security services. In addition to regular business-hours responsibilities, engineers participate in a structured after-hours 24×7 on-call rotation (primary or backup) to support response to incidents, alerts, and escalations for customers operating under FedRAMP, FISMA, and NIST 800-53 frameworks.