System Engineer – Active Directory & Windows Server

About Us

Planck Technologies is a company specialized in Software Development, dedicated to shaping futures and creating value through innovative IT solutions. By expanding teams and offering a comprehensive range of services — from Software Development and Infrastructure Management to Cybersecurity — we empower clients with all the expertise they need in one place. Inspired by the principles of quantum physics, we push beyond traditional boundaries to deliver customized solutions that redefine the IT landscape and drive shared success.

About the job 

What are we looking for?

We are looking for an experienced System Engineer specializing in Active Directory and Windows Server to join a global IT team supporting business-critical systems across multiple countries.

This is an exciting opportunity to work in a complex hybrid environment, contribute to modernization initiatives, and play a key role in strengthening identity management, automation, security, and operational excellence.

Requirements:

• 10+ years of professional experience in Microsoft infrastructure administration, with a strong focus on Active Directory and Windows Server.
• Strong experience managing Active Directory in an enterprise environment.
• Solid expertise in Windows Server administration.
• Experience with hybrid identity solutions (Active Directory + Microsoft Entra ID/Azure AD).
• Knowledge of authentication and authorization technologies: LDAP; Kerberos; SAML; OAuth.
• Hands-on experience with PowerShell scripting and automation.
• Strong troubleshooting and problem-solving skills.
• Experience supporting security and identity-related initiatives.
• Ability to work effectively in operational and project-driven environments.
• Bachelor’s degree in IT or an equivalent qualification is preferred.

Responsibilities:

• Operate and maintain a global Active Directory environment.
• Manage users, groups, permissions, and Group Policy Objects (GPOs).
• Support authentication and authorization services across the organization.
• Install, configure, and troubleshoot Windows Server platforms.
• Manage and support hybrid identity environments integrating Active Directory and Microsoft Entra ID.
• Automate recurring administrative tasks using PowerShell.
• Collaborate with internal teams on identity and infrastructure-related projects.
• Contribute to improving security, stability, and operational processes.
• Troubleshoot and resolve infrastructure and identity-related incidents.
• Participate in on-call support activities when required.

Working Model:

• Hybrid – 1 to 2 days/week at the client’s location, in a region near Lisbon.

We are looking forward to hearing from you! Be part of a company that is redefining the future through technology!

NOTE: In accordance with the EU General Data Protection Regulation No. 2016/679, we inform you that by responding to this advertisement, you consent to the use of your data by Planck Technologies for as long as necessary. If you have any questions or would like to request the deletion of your personal data, please send an email to geral@planck.pt.