Senior Windows Infrastructure Engineer

About this role

Alongside partners with organizations to drive digital transformation and build high-performing technology teams.

We are looking for a Senior Windows Infrastructure Engineer to join a project within a leading company in the financial sector.
You will be responsible for the administration, maintenance and continuous improvement of a large-scale enterprise Windows infrastructure supporting over 1,500 Windows servers across multiple international entities. Working as part of an experienced infrastructure team, you will combine project work with day-to-day operations, helping ensure the stability, security and performance of business-critical systems.

Responsibilities:

• Administer, maintain, and optimize enterprise Windows Server environments.

• Manage Active Directory services, including Group Policies, user and access management, security groups, and domain-related configurations.

• Administer and maintain large-scale Windows Server environments.

• Coordinate server patching, software deployment, security updates, and compliance activities.

• Develop and maintain automation scripts using PowerShell and other infrastructure automation tools.

• Apply Windows security hardening standards and contribute to vulnerability remediation.

• Monitor system performance, troubleshoot complex incidents, and support disaster recovery and business continuity activities.

• Maintain technical documentation and collaborate with Security, Network, IAM, and DevOps teams.

• Contribute to infrastructure modernization, automation, and continuous improvement initiatives.
Requirements

• 5+ years of experience in Windows systems administration.

• Strong Active Directory administration experience.

• Experience managing Group Policies, DNS and DHCP.

• Good PowerShell scripting skills.

• Experience with SCCM / MECM.

• Experience supporting enterprise Windows infrastructure.

• Strong troubleshooting skills.

• Fluent English.

Nice to Have

• Experience with Citrix or virtual desktop environments.

• Knowledge of Infrastructure as Code and automation tools.

• Experience with infrastructure monitoring platforms.

• Previous experience in financial services or other regulated environments.

• Microsoft or security-related certifications.
Benefits

• Opportunity to work on large-scale, business-critical infrastructure within an international environment.

• Exposure to modern infrastructure, automation, and cybersecurity practices.

• Collaborative and technically challenging project with experienced engineering teams.

• Hybrid work model (Porto).

• Competitive salary: €35.000 – €45.000, depending on experience.

• Continuous learning and professional development opportunities.