Senior Infrastructure Engineer

📣 Would you like to join a company that puts people at the heart of its concerns? We are waiting for you! Since 2007, Extia, an IT consulting company, has been offering a unique approach in its field by combining well-being at work and performance.

Our philosophy at Extia is “First who, then what", so let's go for it!

🚀First who?

Analytical and problem-solving oriented, you have a strong capacity for technical investigation You have an orientation towards automation and continuous improvement You possess good communication and teamwork skills You are highly organized and have a strong capacity for creating and maintaining documentation

🚀Then what?

Senior Infrastructure Engineer (Windows & Cloud) with the following tasks:

• Administration of Microsoft Windows Server infrastructure, including Active Directory, Group Policy, DNS, and DHCP Administration of VMware vSphere platforms (ESXi and vCenter) and Windows servers in AWS
• Investigation and resolution of L2/L3 technical incidents, including Root Cause Analysis (RCA)
• Active participation in IT infrastructure implementation and modernization projects Administration of the Patch Management process for Windows Server and Client, including testing, validation, and implementation across all environments
• Automation of daily activities using PowerShell Creation and maintenance of technical documentation
• Collaboration with Security teams for vulnerability remediation Participation in Incident, Change, and
• Problem Management processes Contribution to the standardization and continuous improvement of IT infrastructure

Required technical skills:

• Minimum 4-5 years of experience in administrating Windows Enterprise infrastructures
• Strong practical experience with Windows Server, Active Directory, Group Policy, DNS, DHCP, and VMware vSphere
• Good knowledge of PowerShell for administration and automation
• Experience with Patch Management tools (WSUS, SCCM, Intune, Tanium, or equivalent) and ITSM platforms (like ServiceNow)
• Knowledge of ITIL processes, TCP/IP networking, and firewalls (Palo Alto, Fortinet, Check Point, Cisco ASA, etc.)
• Basic knowledge of Microsoft Windows infrastructure in AWS (EC2, VPC, Security Groups, IAM, AD integration)
• Strong troubleshooting and complex incident investigation skills English language proficiency (B2 level)
• Nice to have : Microsoft Azure, Entra ID, Defender, PKI / Certificate Services, DFS, IIS, Failover Clustering, LAPS, BitLocker, CrowdStrike, Terraform / IaC

🚀 Do you recognize yourself in the "Who" and represent the "What"? Apply and let's talk!