Client Virtualization Administrator (Puerto Rico)

Collins Aerospace; Puerto Rico; Remote; USD 65,000 - 90,000; Full time

Job summary

RTX Enterprise Services in Santa Isabel, Puerto Rico, seeks a Client Virtualization Administrator to manage and optimize a Windows and Red Hat environment. You will work across IT and Cybersecurity to ensure performance, reliability, and security in a fast-paced team.

Responsibilities include administering VMware/Nutanix/Citrix stacks, handling core services, and producing technical documentation while following English work instructions. This remote role requires Puerto Rico residency.

Qualifications

• 2+ years of experience with VMware environments (vCenter, vSphere, ESXi).
• Experience implementing, migrating, supporting cloud-based infrastructure and architecture solutions.
• Experience administering or supporting NAS and SAN storage.
• Experience implementing or supporting Nutanix and Citrix hyperconverged infrastructure.
• Networking experience: TCP/IP, switches, firewalls, routers in enterprise environments.
• Experience documenting technical solutions to resolve infrastructure issues.

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, OS, and infrastructure issues.
• Manage core infrastructure services: Active Directory, DNS, DHCP, and server replication.
• Implement system updates and enhancements following best practices.
• Collaborate with Cybersecurity to maintain system security and compliance.
• Create and maintain technical documentation and assist with user training.
• Work instructions are in English only.

Skills

VMware vCenter/vSphere/ESXi

Cloud infrastructure

NAS/SAN storage

Nutanix/Citrix HCI

Networking TCP/IP

Tech documentation

Education

University degree or equivalent

Tools

Windows/Linux admin

Job description

Date Posted: 2026-10-19

Country: United States of America

Location: US-PR-SANTA ISABEL-B1 ~ Felicia Industrial Park - St B1 ~ BLDG 1

Position Role Type: Remote

U.S. Citizen, U.S. Person, or Immigration Status Requirements: U.S. citizenship is required, as only U.S. citizens are authorized to access information under this program/contract.

Security Clearance: None/Not Required

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. Join us and help shape the future of aerospace and defense.

The following position is to join our RTX Enterprise Services team in Santa Isabel, Puerto Rico:

We are seeking 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.

What You Will Do

• 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.
• This position will reference written work instructions for guidance with daily job activities. Work instructions are available in English only.

Qualifications You Must Have

• 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.

Qualifications We Prefer

• 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 Redhat Enterprise Linux Experience with Remote services and performance optimization
• Experience with license managers in a Windows or Linux environment

What We Offer

Whether you’re just starting out on your career journey or are an experienced professional, we offer a robust total rewards package with compensation; healthcare, wellness, retirement and work/life benefits; career development and recognition programs. Some of the benefits we offer include parental (including paternal) leave, flexible work schedules, achievement awards, educational assistance and child/adult backup care.

This position is remote.

However, the successful candidate must be currently living in Puerto Rico.

This position is currently designated as remote. Employees who are working in Remote roles will work primarily offsite (from home). The employee may be expected to travel to the Santa Isabel site location as needed.

RTX is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, disability or veteran status, or any other applicable state or federal protected class. RTX provides affirmative action in employment for qualified Individuals with a Disability and Protected Veterans in compliance with Section 503 of the Rehabilitation Act and the Vietnam Era Veterans’ Readjustment Assistance Act.