System Administrator - SENIOR
At Upturn Co. · San Juan, Puerto Rico
- DevOps and infrastructure
- Full-time
- Senior
Where you’ll work
Hybrid, based in San Juan
“San Juan, Puerto Rico”
From the location.
“Microsoft Certified: Windows Server Hybrid Administrator Associate”
From the job description.
Hybrid means some days in the office. The listing says how many, and where.
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- First seen by us
- 15 October 2026
- Last checked
- 16 hours ago
Job description
From Upturn Co.’s job post, as they wrote it.
The System Administrator is responsible for the configuration, administration, and maintenance of enterprise IT systems. This role ensures the availability, performance, and security of operating systems, servers, and enterprise platforms used to support customers operations. The System Administrator works closely with network administrators, server administrators, database administrators, and security personnel to maintain a stable and secure IT infrastructure environment.
Read the full description
Key Responsibilities
* Install, configure, and maintain enterprise operating systems and IT infrastructure systems.
* Monitor system performance, availability, and reliability to ensure continuous operations of critical IT services.
* Manage and maintain Active Directory environments, including user accounts, group policies, and permissions.
* Perform system patch management, updates, and system hardening activities.
* Troubleshoot and resolve system performance issues, failures, and service disruptions.
* Implement and maintain backup and recovery procedures for enterprise systems.
* Support system upgrades, migrations, and infrastructure modernization initiatives.
* Collaborate with network, security, and application teams to ensure system compatibility and integration.
* Maintain system documentation, configuration records, and operational procedures.
* Ensure compliance with organizational IT policies, cybersecurity requirements, and government standards.
Minimum Qualifications
* Bachelor's degree in Information Technology, Computer Science, or a related field (or equivalent professional experience).
* Minimum of seven (7) years of experience administering enterprise IT systems and infrastructure.
* Experience supporting production environments in medium to large organizations or government agencies.
Required Technical Skills
* Operating system administration (Windows/Linux environments)
* Active Directory and identity management
* System monitoring and performance optimization
* Backup, recovery, and disaster recovery support
* System troubleshooting and infrastructure maintenance
* IT infrastructure documentation and operational support
Preferred Qualifications / Technologies / Certifications
* Microsoft Windows Server
* Linux server environments
* Virtualization platforms such as VMware or Microsoft Hyper-V
* Enterprise monitoring and management tools
* Microsoft Certified: Windows Server Hybrid Administrator Associate
* CompTIA Server+
* Linux Professional Institute Certification (LPIC)
* Other relevant system administration certifications
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