Salary
≈ $66k – $182k per year (Estimated)
Location
In office (Luxembourg City)
Seniority
Senior · 5+ years exp
Employment
Full-Time
First seen by Alion on Oct 13, 2026.
Overview
Company
Impact
Profile match
Your Mission
You will be responsible for ensuring the stability, performance, and continuous improvement of our IT infrastructure while supporting the company's digital transformation.
Your Responsibilities
Manage and evolve our Microsoft-based infrastructure (Windows Server, Microsoft 365, Azure/Entra ID)
Administer servers, virtual environments (VMware), storage, and backup systems
Ensure high availability through proactive monitoring, maintenance, and performance optimization
Handle patch management and system lifecycle (WSUS, updates, upgrades)
Support and troubleshoot complex incidents across infrastructure and applications
Contribute to cloud adoption and hybrid infrastructure strategies (Azure IaaS/PaaS)
Automate operational tasks and processes (PowerShell scripting)
Participate in key IT projects
Collaborate with internal stakeholders and external service providers
Strengthen IT security (identity & access management, network security, VPN)
Maintain clear and structured documentation and procedures
Identify improvement opportunities and actively contribute to innovation
Your Profile
Degree in IT / Computer Science or equivalent experience
Minimum 5 years of experience in system engineering or IT infrastructure roles
Strong hands-on expertise with:
Windows Server (2019–2025)
Active Directory, DNS, GPO, DHCP
Microsoft 365 (Exchange Online, Teams, SharePoint)
Entra ID (Azure Active Directory)
VMware virtualization
Good knowledge of:
Microsoft Azure (IaaS, PaaS, hybrid environments)
Backup & recovery solutions
Microsoft SQL Server
Networking fundamentals (routing, firewall, VPN)
Scripting skills (PowerShell required; Python is a plus)
Experience with monitoring and automation tools is an advantage
Soft skills:
Strong analytical mindset and problem-solving abilities
Ability to work independently and take ownership
Team player with excellent communication skills
You will be responsible for ensuring the stability, performance, and continuous improvement of our IT infrastructure while supporting the company's digital transformation.
Your Responsibilities
Manage and evolve our Microsoft-based infrastructure (Windows Server, Microsoft 365, Azure/Entra ID)
Administer servers, virtual environments (VMware), storage, and backup systems
Ensure high availability through proactive monitoring, maintenance, and performance optimization
Handle patch management and system lifecycle (WSUS, updates, upgrades)
Support and troubleshoot complex incidents across infrastructure and applications
Contribute to cloud adoption and hybrid infrastructure strategies (Azure IaaS/PaaS)
Automate operational tasks and processes (PowerShell scripting)
Participate in key IT projects
Collaborate with internal stakeholders and external service providers
Strengthen IT security (identity & access management, network security, VPN)
Maintain clear and structured documentation and procedures
Identify improvement opportunities and actively contribute to innovation
Your Profile
Degree in IT / Computer Science or equivalent experience
Minimum 5 years of experience in system engineering or IT infrastructure roles
Strong hands-on expertise with:
Windows Server (2019–2025)
Active Directory, DNS, GPO, DHCP
Microsoft 365 (Exchange Online, Teams, SharePoint)
Entra ID (Azure Active Directory)
VMware virtualization
Good knowledge of:
Microsoft Azure (IaaS, PaaS, hybrid environments)
Backup & recovery solutions
Microsoft SQL Server
Networking fundamentals (routing, firewall, VPN)
Scripting skills (PowerShell required; Python is a plus)
Experience with monitoring and automation tools is an advantage
Soft skills:
Strong analytical mindset and problem-solving abilities
Ability to work independently and take ownership
Team player with excellent communication skills
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