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System Administrator Jobs in Puerto Rico (NOW HIRING)

AJC International

PR · On-site

Administer and create files with all booking necessary information (Purchase Order, Booking ... Confirm sailings and update the system with accurate information. Notify the customer if sailing ...

AJC International

PR · On-site

Administer and create files with all booking necessary information (Purchase Order, Booking ... Confirm sailings and update the system with accurate information. Notify the customer if sailing ...

Honeywell International, Inc.

Systems Engineer I

Aguadilla, PR · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

You will be integral in creating system solutions that meet the evolving needs of our customers. You will report directly to our Sr Engineering Manager, and you will work out of our Aguadilla, Puerto ...

Fortinet, Inc.

Systems Engineer

San Juan, PR · On-site

Skills & Qualifications • Field sales experience. • Experience in technical/pre-sales support as a sales or systems engineer • Experience in LAN/WAN/Internet services administration • ...

Fortinet, Inc.

Systems Engineer

San Juan, PR

Experience in technical/pre-sales support as a sales or systems engineer Experience in LAN/WAN/Internet services administration Experience with Wireless technologies, deploying, supporting and doing ...

Fortinet

Systems Engineer

San Juan, PR · On-site

Experience in technical/pre-sales support as a sales or systems engineer Experience in LAN/WAN/Internet services administration Experience with Wireless technologies, deploying, supporting and doing ...

U.S. Courts

$89K - $106K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • PTO

Other duties: as designated by the Defender, may supervise the work of the Financial Administrator ... Participation in the Federal Retirement System and Thrift Savings Plan (TSP with up to 5% ...

CIS International LLC

PR

Provide technical leadership for commissioning, qualification, and computer system validation ... admin hours

CIS International LLC

PR

Provide technical leadership for commissioning, qualification, and computer system validation ... admin hours

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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.

More about System Administrator jobs

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:

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

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

System Administrator jobs near you
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.

Systems Engineer (Puerto Rico)

Raytheon Technologies

Santa Isabel, PR • On-site

Full-time

Medical, Life, Retirement

Re-posted 17 hours ago

Job description

Date Posted:
2026-06-18
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
RTX Corporation is an Aerospace and Defense company that provides advanced systems and services for commercial, military and government customers worldwide. It comprises three industry-leading businesses - Collins Aerospace Systems, Pratt & Whitney, and Raytheon. Its 185,000 employees enable the company to operate at the edge of known science as they imagine and deliver solutions that push the boundaries in quantum physics, electric propulsion, directed energy, hypersonics, avionics and cybersecurity. The company, formed in 2020 through the combination of Raytheon Company and the United Technologies Corporation aerospace businesses, is headquartered in Arlington, VA.
The following position is to join our RTX Enterprise Services team in Santa Isabel, Puerto Rico:
The Enterprise Infrastructure Services (EIS) organization at RTX is seeking a Systems Engineer to join our team. The Systems Engineer will be responsible for the administration, support, optimization, and continuous improvement of enterprise Windows and Linux server environments. This role ensures the reliability, security, and performance of critical infrastructure by managing server technologies, virtualization platforms, cloud integrations, and data management solutions. Working closely with cross-functional teams, the Systems Engineer develops and implements technology solutions, resolves complex technical issues, drives process standardization, and supports cybersecurity and compliance initiatives while delivering a high level of customer service and operational excellence.
What You Will Do
  • Provide expertise, management, and support for Digital Technology systems in complex Microsoft Windows and Enterprise Linux environments, including DNS, DHCP, Active Directory, and server replication technologies.
  • Administer, maintain, and troubleshoot Windows and Linux server infrastructure to ensure system reliability, availability, and performance.
  • Develop and implement technology solutions based on industry best practices to support business and operational objectives.
  • Diagnose and resolve complex technical issues involving hardware, operating systems, and integrated technologies.
  • Manage and support virtualized environments using VMware technologies, including performance tuning of physical and virtual servers.
  • Support data storage, configuration management, data retention solutions, cloud services integration, and firewall segmentation initiatives.
  • Monitor system performance and utilization, identifying and implementing opportunities to improve operational efficiency and system effectiveness.
  • Collaborate across organizational and cybersecurity teams to standardize processes, maintain security compliance requirements, and support enterprise technology initiatives.
  • Create and maintain technical documentation, provide training on IT processes and procedures, and complete assigned tickets and tasks in a timely manner to ensure customer satisfaction.
  • Travel approximately 10%.
  • This position will reference written work instructions for guidance with daily job activities. Work instructions are available in English only.

Qualifications You Must Have
  • Typically requires a Bachelor's Degree or equivalent experience and minimum 8 years prior experience in IT project management, or an Advanced Degree in a related field and minimum 5 years experience.
  • Proven experience administering Windows Server environments, including Active Directory (directory services), system hardening, and enterprise server management.
  • Demonstrated hands-on experience with VMware virtualization platforms, including vCenter, vSphere, and ESX in production environments.
  • Experience with cloud technologies including Microsoft Azure and AWS, including integration, automation, and infrastructure deployment using Ansible playbooks.
  • Experience managing medium-sized server environments, including storage technologies (NAS/SAN), networking fundamentals (TCP/IP, switches, routers, firewalls), and system performance monitoring tools.
  • Demonstrated experience leading technical initiatives, including configuration management, project lifecycle execution, solution development and documentation, roadmap planning, and mentoring or training team members in standard IT processes.

Qualifications We Prefer
  • 8+ years experience using VMWare vCenter, vSphere, and ESX virtual computing methods
  • Experience with remote services utilizing HP blade technology, VDI, HPC, HP Boost, Turbo Exceed and Loestream
  • Successful integration AWS / Azure Cloud operations and business development related to associated costs
  • Advanced knowledge of system performance monitoring and deployment of associated tools such as Solarwinds, Systrak, Splunk, Tanium, Eracent, Ganglia, Graphana or Prometheus.
  • Patch management experience using Windows WSUS, SCCM, VMware templates or other tools
  • System administration experience in a Linux environment with Basic knowledge Redhat Enterprise Linux
  • 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.
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