Title: Sr. Systems Engineer - Onsite Mandatory skills: AWS and on-premises platforms, emerging AI capabilities, modern containerized workloads, enterprise virtualization environments, AWS GovCloud, on-premises data center, Kubernetes fleet management, EKS, Mirantis, VKS, VMware vSphere administration, cluster management, Splunk administration, enterprise log management, NIST 800-53 controls, FISMA compliance frameworks, security engineering, audit logging, monitoring tools, Application moderniza