We are seeking an experienced and motivated Senior Server Engineer to join our global IT Infrastructure team. In this critical role, you will design, implement, secure, and support complex Windows Server and virtualization environments. Ensuring high availability, performance, and scalability across our datacenters, you will also support 3-tier enterprise architectures, storage solutions, and automation initiatives. **Key Responsibilities** **Windows Server & Datacenter Infrastructure** * Design, deploy, and administer **Windows Server (2016/2019/2022)** environments in highly available datacenters. * Manage **Active Directory (AD), DNS, DHCP, Group Policies (GPO), and Certificate Services (PKI)**. * Ensure server **hardening, patching, monitoring, and compliance** with security policies. * Support hybrid/cloud integrations and readiness projects (Azure AD, M365, etc. where applicable). **Virtualization & Compute** * Manage **VMware vSphere/ESXi clusters**, vCenter, and virtualized workloads. * Support capacity planning and performance tuning of **virtual environments**. * Troubleshoot and optimize **compute resources** in multi-tenant and isolated environments. **Enterprise Storage & Backup** * Administration and optimization of **NetApp, Dell PowerStore, and/or other enterprise storage arrays**. * Manage **SAN/NAS infrastructure**, storage provisioning, and data replication. * Collaborate with backup teams on **data protection strategies and recovery planning**. **3-Tier Architecture & Application Support** * Ensure **stable backend infrastructure** for 3-tier applications (Web, App, DB). * Collaborate with database, middleware, and application teams to optimize performance and availability. * Participate in capacity planning, upgrades, and migrations of enterprise platforms. **Automation & Scripting** * Implement **Infrastructure as Code (IaC)** and desired state configuration where applicable. * Identify opportunities to **streamline and standardize** operational processes. **Projects & Support** * Lead or participate in **infrastructure projects**, including hardware refresh, datacenter migrations, and virtualization improvements. * Provide **3rd-level support** for complex technical issues impacting server, virtualization, or storage environments. * Develop and maintain technical documentation, SOPs, and configuration baselines. **Required Skills & Experience** * **Bachelor’s degree in IT, Computer Science, or related field**, or equivalent experience. * **7+ years** of hands-on experience managing **Windows Server environments in large-scale enterprise** or datacenter settings. * Business fluency in **English and French** * **Strong expertise in Windows Server roles** (AD, DNS, DHCP, GPO, PKI, IIS, File & Print Services). * **5+ years of VMware** vSphere/ESXi administration (multi-cluster, DRS, HA, vMotion). * Experience with **enterprise storage** (NetApp, PowerStore, SAN/NAS, data replication). * Excellent **PowerShell scripting** and automation skills (Desired State Configuration is a plus). * Solid understanding of **3-tier architectures** and backend system dependencies. * Experience with **monitoring and performance tuning** (e.g., PRTG, SolarWinds, vROps). * Experience with **disaster recovery, backup/restore, and business continuity planning**. * Knowledge of **networking basics** related to server and storage (VLANs, iSCSI, NFS, SMB). **Preferred Qualifications** * VMware certifications (VCP-DCV or higher). * Microsoft certifications (MCSA/MCSE, Azure Administrator/Architect). * Familiarity with **security hardening and compliance frameworks (ISO, NIST, CIS)**. * Exposure to **containerization platforms (Docker, Kubernetes)** is a plus. **Personal Qualities** * Strong **problem-solving and analytical** abilities. * High attention to detail, **structured and reliable work style**. * Excellent communication and **collaboration in cross-functional teams**. * Proactive mindset with a focus on **continuous improvement and innovation**.