SME - IT Infrastructure

Job Summary

The SME – Core Infrastructure (L3) is a senior, hands-on technical role responsible for the stability, performance, and resiliency of ATS’s core infrastructure platforms, including Active Directory / Entra (operational), Windows Server, VMware, VDI, and Backup/Disaster Recovery.

This role serves as the final escalation point (L3) for core infrastructure incidents and plays a critical role in stabilizing operations, reducing recurring issues, and supporting the organization’s transition from a reactive to a proactive operating model.

This position is an individual contributor role and does not include people management responsibilities.

Education and Certification

Education

• Bachelor’s degree in Computer Science, Information Technology, or a related field, or equivalent practical experience

Certifications (Preferred)

• Microsoft certifications related to Windows Server, Active Directory / Entra ID, or Azure (e.g., Windows Server Hybrid Administrator, Identity & Access Administrator, Azure Administrator)
• VMware Certified Professional (VCP-DCV) or equivalent enterprise virtualization experience
• Veeam Certified Engineer (VMCE) or equivalent backup and disaster recovery experience
• ITIL Foundation or experience working within ITIL/ITSM environments

Experience & Skills

• 8–12+ years of experience in enterprise IT infrastructure roles
• Expert-level experience with Active Directory administration and troubleshooting
• Strong hands-on experience with VMware virtualization platforms
• Experience supporting VDI environments
• Windows Server administration experience (2016–2022)
• Strong knowledge of DNS, DHCP, and Group Policy
• Experience with backup and disaster recovery tools (Veeam preferred)
• Experience operating within ITIL/ITSM-based support environments

Skills

• Hybrid identity exposure (Azure AD Connect / Entra sync – operational level)
• PowerShell scripting for automation and diagnostics
• Experience supporting global, multi-region environments
• Prior experience supporting infrastructure components during M&A integrations
• Manage and support Office 365 / M365 services including Exchange Online, Teams, OneDrive, SharePoint, security configurations, and license management.

Responsibilities

Core Infrastructure Operations

• Act as L3 escalation owner for Active Directory, Windows Server, VMware, and VDI-related incidents
• Administer, maintain, and optimize Active Directory / Entra (operational) services including DNS, DHCP, Group Policy, trusts, and authentication services
• Lead troubleshooting and performance optimization of VMware (vSphere / ESXi / vCenter) and virtual desktop platforms
• Manage and maintain Windows Server environments, ensuring platform stability and readiness for patching and upgrades
• Administer and support backup and disaster recovery platforms (e.g., Veeam), including restore testing and DR preparedness

Stabilization, Reliability & Continuous Improvement

• Perform Root Cause Analysis (RCA) for complex or recurring infrastructure issues and implement permanent corrective actions
• Lead infrastructure stabilization initiatives to reduce technical debt and recurring incidents
• Develop and maintain technical documentation, SOPs, and operational runbooks
• Partner with the Infrastructure Team Lead to reduce ticket backlog, improve MTTR, and increase service reliability
• Identify opportunities for automation and operational efficiency (PowerShell or equivalent scripting)

Collaboration & Support

• Collaborate closely with:
  • Security & Endpoint Engineering on patching, hardening, and vulnerability remediation
  • Cloud & M365 teams for hybrid identity and infrastructure dependencies
  • Enterprise Architecture for alignment with standards and modernization initiatives
• Provide technical guidance and mentoring to L1/L2 engineers
• Support infrastructure-related activities for M&A integrations, upgrades, and modernization projects

Own Microsoft 365 licensing management and governance, including:

•  License assignment, tracking, and optimization across the tenant
•  Management of M365 SKUs (E3, E5, F-series, add-ons, Defender, Purview, etc.)
•  Identification and remediation of unused, underutilized, or misassigned licenses
•  Group-based and role-based license assignment models
•  Must possess strong expertise in Microsoft 365 compliance technologies including Litigation Hold, eDiscovery, Purview retention, and post–tenant-migration data governance.

About ATS

ATS Corporation | Overview

ATS Corporation is an industry-leading automation solutions and technology provider to many of the world's most successful companies. Using extensive knowledge and global capabilities in custom and repeat automation, automation products and value-added solutions including pre-automation and after-sales services, ATS businesses address the sophisticated manufacturing automation and service needs of multinational customers in markets such as life sciences, transportation, food & beverage, consumer products, and energy. With a dynamic culture that is bolstered by driven employees and the ATS Business Model (ABM), ATS companies are united by a shared purpose of creating solutions that positively impact lives around the world. Founded in 1978, ATS employs over 7,000 people at more than 65 manufacturing facilities and over 85 offices in North America, Europe, Southeast Asia and Oceania. The Company's common shares are traded on the Toronto Stock Exchange and the NYSE under the symbol ‘ATS’.