The Senior Systems Administrator is responsible for the daily administration, monitoring, and maintenance of Cisco UCS domains and VMware vSphere/VCF infrastructure. They will also ensure compliance with security standards, perform disaster recovery testing, and manage server profiles and firmware updates.
Title: Senior Systems Administrator
Location: Remote
Clearance: Public Trust
Responsibilities:
Perform daily administration and monitoring of Cisco UCS domains, fabric interconnects, chassis, and blade servers
Manage, maintain, and upgrade VMware vSphere, vCenter, and VMware Cloud Foundation (VCF) components, including ESXi, vSAN, and NSX-T
Design, implement, and maintain virtualization and computing policies in compliance with classified data handling rules
Execute and validate daily/weekly/monthly health checks and performance monitoring of UCS and VMware infrastructure
Perform regular failover and disaster recovery testing and documentation to meet audit and mission continuity requirements
Manage server profiles, templates, and firmware updates for Cisco UCS
Apply VMware and Cisco patches, hotfixes, and feature releases following change-management and security approval processes
Harden computing and virtualization infrastructure according to DISA STIGs and agency security technical implementation guides (STIGs)
Monitor the computing environment using vRealize Operations, Intersight, and other alerting systems
Manage role-based access control (RBAC) and audit logging for VMware and UCS environments
Support incident response, troubleshooting, and root cause analysis for computing infrastructure issues
Produce capacity, performance, and compliance reports for internal audits
Participate in working groups and disaster recovery exercises
Maintain up-to-date SOPs, system diagrams, and operational procedures
Requirements:
A minimum of three (3) years of hands-on Cisco UCS and VMware vSphere/VCF administration experience
Security+ or higher certification required; current VMware Certified Professional (VCP) certification preferred
Knowledge of server virtualization, vSAN, NSX, and software-defined data centers (SDDC)
Strong experience with virtualized environments and cloud infrastructure
Proficiency in hardware lifecycle management
Solid understanding of SAN/NAS storage integration with VMware
Deep knowledge of VMware Cloud Foundation architecture and deployment preferred
Experience with scripting (e.g., PowerShell, PowerCLI, Python) for automation of administrative tasks preferred
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