Senior Systems Administrator (VMWare)- Top Secret Cleared

Design, implement, and maintain VMware environments (vSphere, ESXi, vCenter) Manage and optimize virtual infrastructure performance, capacity, and availability Administer Windows and/or Linux server environments in virtualized settings Perform system upgrades, patching, backups, and disaster recovery planning/testing Monitor system health and proactively troubleshoot complex infrastructure issues Support storage and networking components related to virtualization (SAN/NAS, VLANs, NIC teaming) Implement and maintain security best practices, access controls, and system hardening Collaborate with IT leadership, application teams, and vendors on infrastructure initiatives Serve as a technical escalation resource for system-related incidents and outages Document system configurations, procedures, and operational standards Mentor junior administrators and contribute to process improvements