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Senior Systems Administrator

INVICTUS
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Alexandria, VA, USA
Sep 20, 2026

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

Job ID

4191001

Security Clearance

SECRET
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