Server Administrator - SENIOR

Upturn; San Juan (PR); On-site; USD 110,000 - 150,000; Full time

Job summary

Upturn is seeking a Senior Server Administrator to oversee enterprise server environments, ensuring reliability, security, and performance for mission-critical apps and databases.

You will collaborate with network, security, and application teams to sustain IT operations and drive modernization initiatives nationwide.

Qualifications

• Bachelor's degree or equivalent professional experience in IT/CS.
• 7+ years of experience managing enterprise server environments.
• Experience supporting mission-critical production systems in large orgs or government.

Responsibilities

• Install, configure, and maintain enterprise server infrastructure, including physical and virtual servers.
• Administer Windows Server environments and related enterprise services.
• Manage virtualization platforms such as VMware vSphere or Microsoft Hyper-V.
• Monitor server performance, availability, and health to ensure optimal operations.
• Implement and maintain server backup, recovery, and disaster recovery procedures.
• Perform server patch management, updates, and system hardening.
• Troubleshoot and resolve server-related issues, system failures, and performance problems.
• Support Active Directory services, group policies, and identity management systems.
• Collaborate with network and security teams to ensure infrastructure security and compliance.
• Maintain accurate system documentation, configuration records, and operational procedures.
• Assist with server upgrades, migrations, and infrastructure modernization initiatives.

Skills

Windows Server admin

Server virtualization

Active Directory

Monitoring & optimization

Backup & DR management

Security & patching

Education

Bachelor's degree in IT/CS or equivalent

Tools

VMware vSphere

Microsoft Hyper-V

Enterprise backup platforms

Windows Server Hybrid Administrator

VCP certification

MCSE or equivalent

Job description

The Senior Server Administrator is responsible for the administration, maintenance, and optimization of enterprise server environments. This role ensures the reliability, security, and performance of server infrastructure that supports mission-critical applications, databases, and network services. The Senior Server Administrator works closely with network administrators, security personnel, database administrators, and application specialists to maintain stable IT operations and support infrastructure improvements.

Key Responsibilities

• Install, configure, and maintain enterprise server infrastructure, including physical and virtual servers.
• Administer and support Windows Server environments and related enterprise services.
• Manage and maintain virtualization platforms such as VMware or Microsoft Hyper-V.
• Monitor server performance, availability, and system health to ensure optimal operations.
• Implement and maintain server backup, recovery, and disaster recovery procedures.
• Perform server patch management, updates, and system hardening.
• Troubleshoot and resolve server-related issues, system failures, and performance problems.
• Support Active Directory services, group policies, and identity management systems.
• Collaborate with network and security teams to ensure infrastructure security and compliance.
• Maintain accurate system documentation, configuration records, and operational procedures.
• Assist with server upgrades, migrations, and infrastructure modernization initiatives.

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 managing enterprise server environments.
• Experience supporting mission-critical production systems in large organizations or government environments.

Required Technical Skills

• Windows Server administration
• Server virtualization and infrastructure management
• Active Directory and identity services
• System monitoring and performance optimization
• Backup and disaster recovery management
• Server security and patch management

Preferred Qualifications / Technologies / Certifications

• Microsoft Windows Server
• VMware vSphere
• Microsoft Hyper-V
• Enterprise backup and disaster recovery platforms
• Microsoft Certified: Windows Server Hybrid Administrator Associate
• VMware Certified Professional (VCP)
• Microsoft Certified Systems Engineer (MCSE) or equivalent certifications