Senior Systems Administrator
Summary
The Senior Systems Administrator manages and maintains Cisco UCS and VMware vSphere/VCF infrastructure, ensuring system performance, security compliance, and disaster recovery readiness. The role involves daily administration, patching, and troubleshooting of virtualized environments within a secure, Public Trust-cleared setting.
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
- Public Trust required, Secret preferred
Equal Opportunity Employer/Veterans/Disabled