Who we are

Gildan is a leading manufacturer of everyday basic apparel, with a strong portfolio of brands, including Gildan®, Hanes®, Comfort Colors®, American Apparel®, ALLPRO™, GOLDTOE®, Peds®, Bali®, Playtex®, Maidenform®, Bonds®, as well as Champion® which is under an exclusive licensing agreement for the printwear channel in the U.S. and Canada.

Gildan owns and operates vertically integrated, large-scale manufacturing facilities which are primarily located in Central America, the Caribbean, North America, and Asia. Gildan operates with a strong commitment to industry-leading labour, environmental and governance practices throughout its supply chain in accordance with its comprehensive ESG program embedded in Gildan's long-term business strategy. Together with our global team of dedicated employees, Gildan is united in its vision of Making Apparel Better®. Discover the full scale of Gildan and prepare to be surprised at gildancorp.com.

The opportunity

We are seeking a skilled and proactive Sr. Manager, System Administration to oversee the strategy, deployment, maintenance, and security of our Windows Server and Intel-based physical and virtual infrastructure. In this role, you will lead a global team of systems engineers, manage vendor relationships, and ensure maximum uptime, scalability, and security for our enterprise-level Wintel environment. This is a dynamic opportunity to drive technical excellence and shape the future of our infrastructure landscape.

- Department: IT Infrastructure
- Reporting Into: Director of Infrastructure

The role

- Manages the global engineering team responsible for backups, virtualization, Wintel, and storage design, implementation, and 24/7 operational support.
- Ensures continuous,



secure operations by owning ITIL procedures, patching cycles, performance metrics, root cause analysis, disaster recovery plans/tests, and security controls for both in-house and cloud-based services.
- Owns the annual Wintel infrastructure budget by forecasting and maintaining capital and operational expenditures (CAPEX/OPEX), tracking monthly adherence, and identifying cost‑saving opportunities across hardware lifecycles and software licensing renewals.
- Manages strategic relationships with third‑party service providers, suppliers, and consultants, including vendor selection, contract evaluation, and critical incident escalation.
- Collaborates directly with our PMO and cross‑functional IT teams to design, build, and implement robust, enterprise‑wide capabilities.
- Partners with functional business areas to ensure all infrastructure solutions meet and scale with current and future business requirements.
- Hires, trains, mentors, and evaluates system engineering talent, establishing clear performance expectations and fostering professional growth.

The requirements

- Education & Experience: A University degree in Information Technology; 12‑15 + years of experience in IT infrastructure/architecture, with a minimum of 5+ years in a supervisory or management role.
- Core Technical Expertise: Deep,



hands‑on experience with the following enterprise technologies:
- Operating Systems & Systems Management: Windows Server (2016 through 2025), Active Directory, Group Policies, SCCM/MECM and Office 365 hybrid environments (OneDrive, SharePoint, Exchange SE).
- Virtualization & Storage: VMware (6.5 through 9.x), Pure Storage, IBM Metro Mirror, and VM stretch clusters.
- Cloud Infrastructure, Networking & Security: Strong experience in designing and operating enterprise Azure environments. Including Azure networking, hybrid connectivity, identity and Access Management, Workload Management, cloud security and operational governance.
- Hardware Ecosystems: HP, Dell, IBM, Cisco UCS servers, UCS Fabric Interconnects (FI), and Brocade switches.
- Availability & Data Protection: Enterprise backup and disaster recovery planning (DRP) solutions, specifically Commvault.

- Security & Networking (Preferred): Positive working knowledge of Cisco ACI, Okta MFA, proxy servers, server hardening, LAPS, CrowdStrike.
- Leadership & Professional Attributes:

- Thrives as a hands‑on manager in a fast‑paced, changing environment with the ability to multitask effectively.
- Demonstrates strong capacity and project planning capabilities to accurately anticipate future infrastructure needs.
- Operates with complete transparency and collaborates seamlessly across functions to find the best solutions for the organization.
- Excels at troubleshooting complex systems and possesses a natural curiosity to uncover root causes and drive process improvements.
- Proven ability to mobilize, motivate, and influence technical teams, proactively bringing the right stakeholders into the conversation.

📌 Sr. Manager, System Administrator (Montreal)
🏢 Gildan Activewear
📍 Montreal