Windows System Administrator

Tel.: +351 214 171 161 - Lisboa

Tel.: +351 253 120 734 - Braga

Fax: +351 214 177 610

(Chamada para a rede fixa nacional) (Call to the national fixed network)

Join our team as a Windows System Administrator (Hybrid – Porto, Lisbon)!

What You’ll Do:

- Install, configure, maintain, and troubleshoot Windows Server environments.

- Administer Windows Server operating systems (e.g., Windows Server 2016, 2019, 2022).

- Manage and maintain Active Directory (AD), Group Policy (GPO), DNS, DHCP, and Windows domain services.

- Administer Microsoft Entra ID (Azure AD) and hybrid identity environments.

- Monitor server health, system performance, and availability to ensure high uptime.

- Perform server patching, upgrades, and regular maintenance activities.

- Manage user accounts, permissions, security groups, and access controls.

- Configure and maintain file servers, print servers, and shared storage solutions.

- Administer virtualization platforms such as VMware or Hyper‑V.

- Manage backup, disaster recovery, and business continuity processes.

- Automate administrative tasks using PowerShell scripting.

- Troubleshoot hardware, software, operating system, and network‑related issues.

- Implement security best practices, including system hardening, antivirus, endpoint protection, and vulnerability remediation.

- Support Microsoft services such as IIS, Remote Desktop Services (RDS), Windows Failover Clustering, and certificate services.

- Collaborate with networking, cloud, cybersecurity, and DevOps teams on infrastructure projects.

- Maintain technical documentation, system configurations, and operational procedures.

- Participate in incident response, root cause analysis, and on‑call support when required.

Qualifications:

- 3+ years (Mid) or 5+ years (Senior) of Windows System Administration experience.

- Solid knowledge of Active Directory, Group Policy, DNS, DHCP, LDAP, and Windows authentication.

- Experience with Microsoft Entra ID (Azure AD) and hybrid identity management.

- Strong PowerShell scripting skills for automation and administration.

- Experience with virtualization technologies such as VMware vSphere and Microsoft Hyper‑V.

- Familiarity with Microsoft 365 and Exchange administration is an advantage.

- Experience with cloud platforms, particularly Microsoft Azure.

- Knowledge of backup and disaster recovery solutions (e.g., Veeam, Commvault, Acronis).

- Experience with monitoring and management tools such as Microsoft System Center (SCOM/SCCM), PRTG, SolarWinds, or Zabbix.

- Understanding of networking fundamentals, including TCP/IP, DNS, DHCP, VPNs, firewalls, and load balancing.

- Knowledge of Windows security best practices, endpoint protection, patch management, and vulnerability management.

- Experience with storage technologies, SAN/NAS, and Windows file services.

- Familiarity with automation, Infrastructure as Code (IaC), and configuration management tools is a plus.

- Strong troubleshooting, analytical, and problem‑solving skills.

- Excellent communication and documentation skills.

- Ability to work independently and collaboratively within cross‑functional teams.

- Bachelor’s degree in Computer Science, Information Technology, or a related field (preferred).

- Microsoft certifications such as Windows Server Hybrid Administrator Associate (AZ-800/AZ-801), Microsoft Certified: Azure Administrator Associate (AZ-104), or other relevant Microsoft certifications are considered an advantage.

- Professional English proficiency (minimum B2).

- Based in Portugal and available to work in a hybrid model.

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