• Support the migration of virtual machines from on-premises VMware (VxRail clusters) to AWS Elastic VMware Service (EVS), including VM conversion, networking, and storage reconfiguration. • Administer and maintain VMware vSphere environments, including ESXi hosts, vCenter, Site Recovery Manager (SRM), and vSAN/VxRail storage. • Configure and manage AWS services including EC2, VPC, Route 53, IAM, S3, and CloudWatch in support of SBA workloads. • Assist with AWS networking architecture including route advertisements, Transit Gateway configurations, and hybrid connectivity between on-premises and cloud environments. • Administer Red Hat Enterprise Linux (RHEL) and Microsoft Windows Server (2016/2019/2022) environments, including patching, hardening, and performance tuning. • Author and maintain security baselines for all operating systems; customize Tenable audit files for compliance scanning. • Manage Microsoft Active Directory and Red Hat Directory Server integration for single sign-on and identity services. • Support Windows Server API security hardening initiatives and Group Policy configurations. • Support ColdFusion application servers, including deployment, SSL/TLS certificate management, and troubleshooting connectivity issues with external services (e.g., Treasury DNP web services). • Assist with Oracle database infrastructure including performance monitoring, backup/recovery, and coordination with DBA staff. • Configure and manage F5 BIG-IP load balancers, including SSL bridging, virtual server configurations, and health monitors. • Execute vulnerability remediation within SBA’s SLA requirements using Tenable for scanning and tracking. • Support endpoint protection operations using SentinelOne and cloud security posture management via Wiz. • Assist with POA&M management, audit evidence collection, and GAO/IG response preparation. • Maintain compliance with FISMA, FedRAMP, and NIST 800-53 security control requirements. • Support Dynatrace deployment and configuration for application performance monitoring and observability across the SBA environment. • Administer backup solutions including Cohesity and Veeam Backup & Replication; manage backup schedules, restores, and capacity planning. • Maintain and test disaster recovery procedures between Sterling and Irvine sites using VMware Site Recovery Manager. • Manage infrastructure-related work in Atlassian tools (Jira, Confluence) within the FedRAMP-compliant Atlassian Government Cloud instance. • Create and update ServiceNow records for portfolio reporting, change management, and incident tracking. • Coordinate with cross-functional teams spanning OCA, OCFO, and OCIO program offices. • Produce clear, detailed technical documentation for runbooks, architecture diagrams, and standard operating procedures.