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System Administrator Jobs in Puerto Rico (NOW HIRING)

HR Admin Support

San Juan, PR · On-site

$11 - $13/hr

  • PTO

Previous experience in HRIS, HR administration, or data management. Ticketer experience preferred. * Strong attention to detail and ability to manage multiple tickets efficiently. * Comfortable ...

Previous experience in HRIS, HR administration, or data management. Ticketer experience preferred. * Strong attention to detail and ability to manage multiple tickets efficiently. * Comfortable ...

PR · On-site

$37K - $42K/yr

Perform regular file archival and dismissal, as necessary. * Assist Information Systems Administrator in all assigned technology projects. * Run reports on systems for different departments when ...

PR · On-site

$17 - $19/hr

MCSA (Microsoft Certified Systems Administrator/Solutions Associate) or MCSE (Microsoft Certified Systems Engineer) MCITP Microsoft Certified IT Professional, MCSE (Microsoft Certified Solutions ...

Showing results 21-40

System Administrator information

What is a system administrator?

System Administrators, often called sysadmins, are IT professionals responsible for installing, configuring, maintaining, and supporting computer systems and servers within an organization. They ensure that networks and systems run efficiently and securely, manage user accounts, oversee backups, and troubleshoot hardware and software issues. System Administrators play a key role in maintaining system uptime, implementing security protocols, and updating systems to prevent vulnerabilities. Their work is critical for the smooth and secure operation of a company's IT infrastructure.

What does a system administrator do?

The job of a System Administrator is to assume a range of IT responsibilities and technical services for your company’s internet and intranet presence. This will include such duties as installing anti-virus and malware protection software, undertaking regular systems maintenance, and troubleshooting problems. Additional duties can include serving as a digital technology information resource for employees and consulting with company leaders on the possible adoption of new technologies. Aside from this, you might be asked to evaluate and boost network system performance, make needed upgrades and repairs, and add approved users to the network and train them in proper usage.

What are the key skills and qualifications needed to thrive as a system administrator, and why are they important?

To thrive as a System Administrator, you need a solid understanding of computer networks, operating systems (Windows, Linux), and troubleshooting, often backed by a degree in IT or related certifications like CompTIA Network+ or Microsoft Certified: Azure Administrator Associate. Familiarity with tools such as Active Directory, virtualization platforms, backup solutions, and monitoring systems is typically required. Strong problem-solving, attention to detail, and effective communication skills help you manage incidents and work with diverse teams. These abilities ensure reliable system performance, minimize downtime, and support seamless business operations.

What are some common challenges system administrators face when managing a large IT infrastructure, and how can these be addressed?

System Administrators often encounter challenges such as ensuring system security, managing software updates across numerous devices, and troubleshooting network issues in large-scale environments. Keeping up with rapidly evolving technology and balancing routine maintenance with unexpected incidents can be demanding. Effective solutions include automating repetitive tasks, implementing robust monitoring tools, and regularly communicating with other IT team members to proactively address potential problems. Continuous learning and staying current with best practices in cybersecurity and system management are also essential for long-term success in this role.

What is the difference between System Administrator vs Network Administrator?

AspectSystem AdministratorNetwork Administrator
CertificationsCompTIA Server+, Microsoft Certified: Windows Server FundamentalsCompTIA Network+, Cisco CCNA
Work EnvironmentManage servers, operating systems, and internal IT infrastructureFocus on network hardware, configurations, and connectivity
ResponsibilitiesMaintain servers, troubleshoot OS issues, manage backupsConfigure routers/switches, monitor network performance, ensure security

While both roles support IT infrastructure, System Administrators primarily manage servers and operating systems, whereas Network Administrators focus on network hardware and connectivity. They often collaborate but have distinct technical focuses within an organization.

What are the most commonly searched types of System Administrator jobs in Puerto Rico?

The most popular types of System Administrator jobs in Puerto Rico are:

What are popular job titles related to System Administrator jobs in Puerto Rico?

For System Administrator jobs in Puerto Rico, the most frequently searched job titles are:

What job categories do people searching System Administrator jobs in Puerto Rico look for?

The top searched job categories for System Administrator jobs in Puerto Rico are:

Infographic showing various System Administrator job openings in Puerto Rico as of August 2026, with employment types broken down into 1% As Needed, 82% Full Time, 12% Part Time, 2% Temporary, and 3% Contract. Highlights an 93% Physical, 2% Hybrid, and 5% Remote job distribution.

Client Virtualization Administrator (Puerto Rico)

Collins Aerospace

Santa Isabel, PR • Remote

Full-time

Medical, Life, Retirement

Posted 4 days ago


Collins Aerospace rating

8.4

Company rating: 8.4 out of 10

Based on 251 frontline employees who took The Breakroom Quiz

33rd of 72 rated aerospace companies


Job description

Date Posted:

2026-08-12

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.

Learn More & Apply Now!
Location:
This position is remote. However, the successful candidate must be currently living in Puerto Rico.

Please consider the following role type definition as you apply for this role:
Remote:
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.

Privacy Policy and Terms:

Click on this link to read the Policy and Terms


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About Collins Aerospace

Sourced by ZipRecruiter

Collins Aerospace, a Raytheon Technologies company, is a leader in technologically advanced and intelligent solutions for the global aerospace and defense industry. Collins Aerospace has the capabilities, comprehensive portfolio and expertise to solve customers' toughest challenges and to meet the demands of a rapidly evolving global market.

Industry

Aviation

Company size

10,000+ Employees

Headquarters location

Charlotte, NC, US

Year founded

2018