Client Virtualization Administrator

RTX

Client Virtualization Administrator supporting RTX’s aerospace and defense infrastructure in Puerto Rico. Administering Windows, Linux, VMware, Nutanix, and Citrix environments while maintaining secure enterprise systems.

Posted 8/13/2026full-timeRemote • 🇵🇷 Puerto RicoJuniorMid-LevelWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in administering Microsoft Windows Server and Red Hat Enterprise Linux environments, with a strong focus on VMware, Nutanix, and Citrix technologies. Proficient in system performance monitoring, troubleshooting, and maintaining security and compliance in enterprise infrastructure.

Highest-signal resume keywords

Microsoft Windows Server AdministrationRed Hat Enterprise Linux AdministrationVMware Environment SupportNutanix Hyperconverged InfrastructureActive Directory Management

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

System Performance MonitoringTroubleshooting Hardware IssuesImplementing System UpdatesCloud-Based Infrastructure SolutionsEnterprise Data Storage TechnologiesTechnical Documentation DevelopmentNetworking Technologies (TCP/IP, Switches, Firewalls, Routers)Server Replication ManagementUser Training AssistanceCross-Functional Collaboration

Tools & Technologies

NutanixVMwareCitrixVCenterVSphereESXiNAS SolutionsSAN Solutions

Industry Keywords

Cybersecurity ComplianceTechnical Solutions DevelopmentInfrastructure ArchitectureU.S. Citizenship RequirementPuerto Rico Residency

Tech Stack

Tools & technologies

CitrixCloudCyber SecurityDNSFirewallsLinuxTCP/IPVMware

About the role

Key responsibilities & impact

Administer and maintain Microsoft Windows Server and Red Hat Enterprise Linux environments
Support virtual infrastructure using Nutanix, VMware, and Citrix technologies
Monitor system performance and troubleshoot hardware, operating system, and infrastructure issues
Manage Active Directory, DNS, DHCP, and server replication
Implement system updates and enhancements following established best practices
Partner with Cybersecurity to maintain system security and compliance
Collaborate with cross-functional IT teams to support enterprise infrastructure
Create and maintain technical documentation and assist with user training
Reference written work instructions for daily job activities
Travel to the Santa Isabel site location as needed

Requirements

What you’ll need

University Degree or equivalent experience and minimum 2 years of prior relevant experience
2+ years administering and supporting VMware environments, including vCenter, vSphere, and ESXi
Experience implementing, migrating, supporting, and troubleshooting cloud-based infrastructure and architecture solutions
Experience administering or supporting enterprise data storage technologies, including NAS and SAN solutions
Experience implementing, configuring, or supporting hyperconverged infrastructure solutions such as Nutanix and Citrix platforms
Experience with enterprise networking technologies, including TCP/IP, switches, firewalls, and routers
Experience developing technical solutions and documentation for complex infrastructure issues and recurring issue prevention
U.S. citizenship is required; only U.S. citizens are authorized to access information under this program/contract
Must currently live in Puerto Rico
Written work instructions are available in English only

Benefits

Comp & perks

Compensation
Healthcare benefits
Wellness benefits
Retirement benefits
Work/life benefits
Parental leave, including paternal leave
Flexible work schedules
Achievement awards
Educational assistance
Child/adult backup care
Career development and recognition programs