Client Virtualization Administrator (Puerto Rico)

Date posted: 2026-10-19 • Location: Santa Isabel, Puerto Rico (Felicia Industrial Park) • Remote role • U.S. citizenship required • Security clearance: None

About the role

At RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world's most complex problems. With our three market leading businesses, world-class operations and investments in research and development, we offer capabilities and opportunity no one else can. Together, we push the boundaries of known science and find new ways to connect and protect our world.

The following position is to join our RTX Enterprise Services team in Santa Isabel, Puerto Rico: We are seeking a Client Virtualization Administrator to support and maintain a complex Microsoft Windows and Red Hat Enterprise Linux environment. In this role, you will administer and optimize physical and virtual infrastructure, troubleshoot complex technical issues, implement new technologies aligned with industry best practices, and collaborate across IT and Cybersecurity teams to ensure system performance, reliability, and security. The ideal candidate is a self-driven professional with expertise in virtualization, enterprise infrastructure, and systems administration who thrives in a fast-paced, collaborative environment. This position will reference written work instructions for guidance with daily job activities; work instructions are available in English only.

Responsibilities

• 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 core infrastructure services, including 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

Requirements

• University degree or equivalent experience and minimum 2 years of prior relevant experience
• 2+ years of experience 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 working with networking technologies, including TCP/IP, switches, firewalls, and routers, in enterprise environments
• Experience developing technical solutions and documentation to resolve complex infrastructure issues and support recurring issue prevention

Preferred qualifications

• 4+ years experience using VMware vCenter, vSphere, and ESX virtual computing methods
• Cloud foundation certification: Azure, AWS, or Oracle
• Experience with remote service projection utilizing HP blade technology, HP Boost, and Loestream, NVidia GPU, Citrix, Nutanix hyper-converged capability
• Advanced knowledge of system performance monitoring and deployment of associated tools
• Patch management experience using Windows WSUS, SCCM, or other standard tools
• System administration experience in a Linux environment
• Basic knowledge of Red Hat Enterprise Linux
• Experience with remote services and performance optimization
• Experience with license managers in a Windows or Linux environment

Benefits

• Parental (including paternal) leave
• Flexible work schedules
• Achievement awards
• Educational assistance
• Child/adult backup care
• Healthcare, wellness, retirement, and work/life benefits
• Career development and recognition programs

Schedule

Remote position; the successful candidate must be currently living in Puerto Rico. Employees in remote roles work primarily offsite (from home) and may be expected to travel to the Santa Isabel site location as needed.