System Administrator – Remote (Portugal)

About the role

This remote System Administrator position supports a global workforce from Portugal. You will ensure that devices, software, networks and security solutions operate reliably, securely and efficiently across multiple environments.

Key responsibilities

• Provide technical support for Windows, macOS and Linux users.
• Install, configure, maintain and troubleshoot workstations, peripherals and IT equipment.
• Manage tickets and prioritize requests using Jira or similar systems.
• Diagnose and resolve hardware, software, connectivity and network issues.
• Handle device lifecycle tasks: inventory, deployment, maintenance and replacement.
• Configure and maintain security tools such as VPN, antivirus, MDM, backup systems, firewalls and monitoring solutions.
• Ensure compliance with internal IT policies and security standards.
• Maintain technical documentation, procedures and knowledge bases.
• Support network administration (TCP/IP, DNS, DHCP, VPN, VLANs).
• Contribute to automation, scripting and process‑optimization initiatives.
• Assist with user access management and system configuration tasks.

Required profile

• 2‑4 years of experience in system administration or comparable technical support roles.
• Hands‑on experience with Windows, macOS and Linux operating systems.
• Solid understanding of networking fundamentals (TCP/IP, DNS, DHCP, VPN, VLAN).
• Familiarity with security tools (antivirus, firewalls, backup, MDM, logging).
• Proven problem‑solving abilities and strong troubleshooting skills.
• Experience using ticketing systems and maintaining documentation.

Required skills

• Windows, macOS, Linux
• TCP/IP, DNS, DHCP, VPN, VLAN
• Antivirus, firewall, backup, MDM platforms, logging tools
• Jira or similar ticketing system
• Basic scripting/automation

What we offer

• Fully remote work with flexibility.
• Ownership of tasks and projects.
• Opportunities to grow technical expertise in a fast‑moving environment.