Windows Systems Admin - Secure, Scalable IT for Aerospace

Destinus; Madrid; On-site; EUR 42,000 - 65,000; Full time

Job summary

Destinus is seeking a Windows Systems Administrator to manage and secure a broad range of IT systems across the organisation. You will handle Microsoft 365 services, Windows Server, Active Directory, and related infrastructure with a proactive security mindset.

Join Destinus to support cutting‑edge UAV initiatives and defence collaborations worldwide. You’ll ensure reliability, scalability, and continuous improvement of IT systems, interfaces, and incident response readiness.

Qualifications

• 5+ years in Windows systems administration
• Strong Windows Server & Active Directory skills (DNS, DHCP, Group Policy)
• Experience with Microsoft 365 administration including identity and device management
• PowerShell scripting proficiency
• Experience with virtualization (VMware/Hyper-V) and storage technologies
• Knowledge of OIDC, SAML 2.0, SCIM and MFA integrations with Entra ID
• Understanding of TCP/IP, VLANs, routing, firewalls, VPNs
• Familiarity with monitoring platforms (PRTG, SolarWinds) and SIEM tools
• Knowledge of Zero Trust principles and ISO 27001/NIS2 frameworks

Responsibilities

• Administer, monitor, and optimise Windows and Microsoft 365 environments
• Manage AD, DNS, DHCP, GPOs, and file services; patching and backups
• Configure Intune and Autopilot for device management and compliance baselines
• Administer Jira and Confluence; align with team workflows and integrations
• Apply security best practices, monitor and respond to incidents
• Troubleshoot infrastructure issues across on‑prem and cloud
• Provide guidance to IT support on configurations and complex incidents
• Contribute to IT strategy and system reliability improvements
• Maintain documentation of IT systems, configurations, and processes

Skills

Windows administration

Microsoft 365 administration

Active Directory

PowerShell scripting

Networking fundamentals

Security best practices

SIEM tools

Zero Trust

MFA

SaaS integration

Education

Bachelor's degree in Information Technology or Computer Science

Tools

Jira

Confluence

PRTG

SolarWinds

VMware

Hyper-V

Job description

Destinus is seeking a Windows Systems Administrator to manage and secure a broad range of IT systems across the organisation. You will handle Microsoft 365 services, Windows Server, Active Directory, and related infrastructure with a proactive security mindset.

Join Destinus to support cutting‑edge UAV initiatives and defence collaborations worldwide. You’ll ensure reliability, scalability, and continuous improvement of IT systems, interfaces, and incident response readiness.