Senior Windows Infrastructure Engineer
Summary
Senior Windows Systems Engineer maintains and secures enterprise Windows environments, automates tasks with PowerShell, and supports Active Directory and patch management for a financial-sector client.
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.
Skills
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Basics
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- 5+ years of experience in Windows systems administration.
- Strong knowledge of Windows Server and Active Directory.
- Experience with Group Policies, DNS, remote access, and patch management.
- Good PowerShell scripting skills.
- Knowledge of Windows security, hardening, and access management.
- Experience with tools such as SCCM, WSUS, CyberArk, Citrix, Ansible, or Terraform is valued but not mandatory across all areas.
- Strong troubleshooting and problem-solving skills.
- Ability to work in an international and collaborative environment.
- Fluent English.
- 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.