We are seeking a highly skilled Windows Server and VMware Administrator to manage, maintain, and modernise enterprise infrastructure environments. The ideal candidate must possess strong expertise in Windows Server administration, VMware vSphere/ESXi, and server upgrade and migration projects. The individual will play a key role in planning, executing, and supporting Windows Server upgrade initiatives while ensuring high availability, security, and operational excellence.

Key Responsibilities Windows Server Administration Administer and maintain Windows Server environments (2012, 2016, 2019, 2022 and later). Perform server provisioning, configuration, patching, and lifecycle management.

Manage Active

Directory, Group Policies (GPO), DNS, DHCP, and certificate services. Monitor server health, performance, capacity, and availability. Troubleshoot complex operating system and infrastructure issues.

Windows Server

Upgrade & Migration Lead Windows Server upgrade and migration projects. Assess existing server landscapes and develop upgrade strategies. Perform in-place and side-by-side migrations. Coordinate application compatibility assessments.

Execute upgrade activities with minimal business disruption. Develop rollback and contingency plans. Conduct testing, validation, and post-upgrade support. VMware Administration Administer VMware vSphere, ESXi, and vCenter environments.

Manage virtual machine lifecycle operations. Configure and maintain clusters, HA, DRS, vMotion, and Storage vMotion. Perform VMware host upgrades and patch management. Optimize virtual infrastructure performance and capacity.

Infrastructure Operations

Support enterprise backup and disaster recovery solutions. Implement security hardening and vulnerability remediation. Manage monitoring tools and operational dashboards. Participate in Incident, Problem, and Change Management processes.





Develop and maintain infrastructure documentation and standard operating procedures. Automation & Scripting Automate routine administration tasks using PowerShell. Develop scripts for server provisioning, upgrades, compliance checks, and reporting.

Improve operational efficiency through automation.

Technical Skills Mandatory Windows

Server 2012/2016/2019/2022 Administration VMware vSphere, ESXi, vCenter Active Directory, DNS, DHCP, Group Policy Windows Server Migration and Upgrade Planning PowerShell Scripting Patch Management (WSUS/SCCM/MECM) High Availability and Disaster Recovery Incident, Problem, and Change Management Preferred VMware SRM Hyper-V Azure IaaS Veeam / Commvault Backup Solutions SCOM, SolarWinds, LogicMonitor Microsoft Entra ID (Azure AD) Storage and Compute Infrastructure (Dell, HPE, Cisco UCS) Certifications (Preferred) VMware Certified Professional (VCP) Microsoft Certified: Windows Server Hybrid Administrator Associate Microsoft Azure Administrator Associate ITIL Foundation Key Deliverables Successful execution of Windows Server upgrade projects. Improved infrastructure stability, availability, and security. Timely resolution of critical incidents.

Compliance with patching and security standards. Accurate infrastructure documentation and operational runbooks.

Soft Skills

Solid stakeholder communication. Excellent troubleshooting and analytical skills. Ability to lead infrastructure upgrade initiatives.

Experience working with global teams and change windows. Strong documentation and presentation skills.

Skills Required: Must have: GCP data platform architecture [BigQuery, Dataflow, Managed Apache Airflow (formerly Cloud Composer)] secure data governance (NIST CSF, Assured Workloads, DLP/Encryption) AI/ML integrations (Vertex AI, Agent Builder, BQ Conversational Analytics) Good to have: Cloud migration from Azure Data Lake

📌 Senior Infrastructure Administrator (Windows Server & VMware) (Toronto)
🏢 J M Group
📍 Toronto