Windows Systems Administrator

Destinus Sa
Madrid, Spain
about 1 month ago

Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Experience required
5 years minimum
Working hours
Regular working hours
Job source

Tech stack

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
+21 more
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

Job 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

Requirements

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

About the company

Imagine stepping into a place where every system you touch powers teams that are redefining aerospace and defence. As our Windows Systems Administrator, you will play a key role in managing, securing, and optimising a broad range of IT systems across the organisation. This role requires deep hands-on experience across Microsoft 365, Windows Server, Active Directory, and related infrastructure, while maintaining a proactive security mindset. We are looking for someone who can ensure the reliability, scalability, and security of all systems supporting business operations. At Destinus, we are revolutionising the defence industry with cutting-edge Unmanned Aerial Vehicles (UAVs). Our innovative technologies are designed to meet the unique demands of modern defence operations, delivering unparalleled speed, precision, and cost-effectiveness. Destinus partners with government agencies and defence organisations worldwide to provide advanced solutions for mission-critical operations. Join us in

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