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# Windows Systems Administrator

- **Company:** Destinus Sa
- **Location:** Madrid, Spain
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Active Directory, Confluence, JIRA, Microsoft Azure, Microsoft Online Services, Software as a Service, Configuration Management, Dynamic Host Configuration Protocol, Distributed File Systems, Domain Name System (DNS), Hyper-V, Virtual Private Networks (VPN), Microsoft Windows SDK, Windows Servers, Networking Basics, Routing, OpenID, Paessler Router Traffic Grapher, Windows PowerShell, Zero Trust Network Access, Security Assertion Markup Language (SAML), Microsoft SharePoint, Security Information and Event Management, TCP/IP, Virtual Local Area Networks, Firewalls (Computer Science), Microsoft InTune, Storage Technologies, Information Technology, SolarWinds (Software), Deployment Automation, Vmware
- **Published:** July 8, 2026
- **Apply:** https://es.trabajo.org/oferta-5354-2092b8a1f83bd07d4f4899ea885351e6

## About the Role

reliability of IT systems Maintain accurate documentation of IT systems, configurations, and processes What You'll Need ~ Bachelor's degree in Information Technology, Computer Science, or equivalent experience ~5+ years in Windows systems administration with broad Microsoft platform exposure ~ Strong Windows Server and Active Directory skills (DNS, DHCP, Group Policy, DFS, replication) ~ Strong Microsoft 365 administration skills, including identity, access control, automation, device management, monitoring, and incident resolution ~ Experience with automation and scripting using PowerShell ~ Understanding of virtualisation solutions (VMware / Hyper-V) and storage technologies ~ Deep understanding of OIDC, SAML 2.0, SCIM, and MFA flows; experience integrating SaaS platforms with Entra ID ~ Solid understanding of network fundamentals (TCP/IP, VLANs, routing, firewalls, VPNs) ~ Familiarity with monitoring platforms (PRTG, SolarWinds, SIEM tools) ~ Knowledge of Zero Trust principles
and modern cybersecurity frameworks (ISO 27001, ABDO, NIS2) Certifications (Advantageous) Microsoft Certified - Microsoft 365 Administrator Expert or Azure Administrator Associate Security+ or equivalent security-focused credential MCSA / MCSE (Windows Server) or equivalent demonstrated experience Who You Are You move fast, think sharp, and stay steady when things get complex. You love diving into Windows and Microsoft environments and solving problems across systems without getting boxed in. Ownership motivates you, collaboration fuels you, and security is always on your mind. You communicate clearly, act with integrity, and bring a proactive, improvement-driven mindset to everything you touch. You want to make real impact in a place where innovation is the everyday baseline. J-18808-Ljbffr

## Description

shaping the future of defence. What You´ll Do Administration, monitoring, and optimisation of Microsoft 365 services (Exchange Online, SharePoint, Teams, Defender, Entra ID, Intune) Support and maintain Windows Server environments - Active Directory, DNS, DHCP, Group Policy, file services, system patching, and backups Manage endpoint devices via Intune and Autopilot, including policy configuration, compliance baselines, and device lifecycle management Administer and customise Atlassian Jira and Confluence, ensuring alignment with team workflows and integrations Apply security best practices across systems, ensuring compliance, monitoring, and incident-response readiness Troubleshoot complex infrastructure issues across systems, cloud platforms, and applications Provide consultation to IT support specialists on software and hardware configuration; assist in resolving complex incidents Contribute to IT strategy discussions and propose improvements to enhance performance, security, and


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