Hybrid IT Systems Administrator - Cloud & Security

AppleOne Employment Services; San Juan (PR); Hybrid; USD 50,000 - 60,000; Full time

Job summary

AppleOne Employment Services seeks an experienced IT System Administrator for a direct hire in San Juan, PR. The role focuses on hybrid infrastructure support, improving system reliability, and strengthening cybersecurity practices while serving as a Level 2/3 escalation resource.

The position covers cloud and identity management, endpoint security, disaster recovery, automation, and process improvements to support critical systems in a regulated environment.

Qualifications

• Administer and support hybrid Windows Server, Linux, virtualized, network, and cloud infrastructure.
• Manage identity, access, endpoint, and security controls using Azure Entra ID, MFA, Conditional Access, and Microsoft Intune.
• Support backup, disaster recovery, patch management, infrastructure monitoring, scripting, and automation initiatives.
• Serve as a Level 2/3 escalation resource for complex infrastructure, systems, and network issues.
• Bachelor's degree in Computer Science, Information Technology, or a related field.
• 3 to 4+ years of experience in systems administration, IT infrastructure, or networking.
• Advanced knowledge of Windows Server, Linux, networking, virtualization, cloud platforms, Azure Entra ID, and Intune.
• Experience with AWS, Azure, and/or Google Cloud environments.
• Experience with backup and disaster recovery planning, restoration testing, monitoring tools, patching, and system updates.
• Scripting and automation experience using PowerShell, Bash, Python, or similar tools.
• Knowledge of NIST Cybersecurity Framework 2.0 and cybersecurity best practices.
• Fluent in English and Spanish, both written and verbal.
• Strong troubleshooting, documentation, communication, vendor coordination, and cross‑functional collaboration skills.

Responsibilities

• Administer Windows Server and Linux environments across physical, virtual, on-premise, and cloud infrastructure.
• Manage corporate networks, firewalls, VPNs, Wi‑Fi, cloud platforms, and related infrastructure services.
• Administer Azure Entra ID, SSO, MFA, Conditional Access, Microsoft Intune, and mobile device management.
• Develop and maintain backup, disaster recovery, monitoring, patching, capacity planning, and infrastructure security processes.
• Provide Level 2/3 technical escalation, troubleshoot complex systems and network issues, and support migrations and improvement projects.
• Automate administrative tasks using PowerShell, Bash, Python, and generative AI tools while maintaining documentation, runbooks, and procedures.

Skills

Hybrid infrastructure

Windows Server

Linux

Cloud platforms

Azure Entra ID

MFA/CA/Intune

Scripting (PowerShell, Bash, Python)

Disaster recovery

Cybersecurity best practices

English/Spanish bilingual

Troubleshooting/Documentation

Cross-functional collaboration

Education

Bachelor's degree in Computer Science / IT or related field

Job description

AppleOne Employment Services seeks an experienced IT System Administrator for a direct hire in San Juan, PR. The role focuses on hybrid infrastructure support, improving system reliability, and strengthening cybersecurity practices while serving as a Level 2/3 escalation resource.

The position covers cloud and identity management, endpoint security, disaster recovery, automation, and process improvements to support critical systems in a regulated environment.