Sr. Manager, System Administrator
- Montréal, QC
- On-site
- Posted Oct 3, 2026
- 1 position
Opens an external site
- Experience level
- Lead · 15+ years
- Minimum education
- Bachelor’s degree
- Apply by
- Oct 1, 2027
- Posting language
- English
- Working hours
- 40 hours per week
Job summary
The Sr. Manager will oversee the strategy, deployment, and maintenance of global Wintel infrastructure while leading a team of systems engineers. They are responsible for managing ITIL procedures, infrastructure budgets, and strategic vendor relationships to ensure operational excellence.
Job details
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): Good 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. Language Skills: Excellent written and verbal communication skills in both English and French. What's in it for you Join a publicly traded company dual-listed on NYSE and TSX with great potential Be part of a workplace where meaningful connections and teamwork are celebrated From local to international, be ready to work alongside a diverse group of colleagues Benefit from mentorship and continuous development opportunities Take advantage of our attractive benefits packages We want to get to know you better! Please include your transferrable skills and unique experience in your application to help us learn more about you. We thank all applicants for their interest, however, only those selected for interviews will be contacted. Find your fit with us We are committed to ensuring that everyone, across every background and identity, feels respected, supported, and able to thrive. Come as you are and #FindYourFit at Gildan. Tailor the future of your own career.
What you’ll do
The Sr. Manager will oversee the strategy, deployment, and maintenance of global Wintel infrastructure while leading a team of systems engineers. They are responsible for managing ITIL procedures, infrastructure budgets, and strategic vendor relationships to ensure operational excellence.
Requirements
Candidates must hold a university degree in Information Technology and possess 12-15+ years of experience in IT infrastructure. Deep technical expertise in Windows Server, virtualization, Azure, and enterprise storage solutions is required, along with proven leadership experience.
Benefits
- Mentorship opportunities
- Continuous development opportunities
- Attractive benefits packages
Listed skills
- Microsoft Azure · Preferred
- Active Directory · Preferred
- VMware · Preferred
- Team Leadership · Preferred
Other relevant skills
Identified from the job description. Confirm important requirements above.
- Windows Server
- Active Directory
- VMware
- Azure
- System Administration
- ITIL
- Disaster Recovery
- Budget Management
- Vendor Management
- Team Leadership
- Commvault
- Cisco UCS
- MECM
- Office 365
- Cloud Security
- Infrastructure Architecture
- Environmental Social And Corporate Governance (ESG)
- CommVault
- Business Metrics
- Okta
- Influencing Skills
- Continuous Development
- Microsoft 365
- Supply Chain
- Curiosity
- Brocade Switches
- Server Hardening
- Cisco ACI
- Bilingual (French/English)
- Technology Ecosystems
- IT Infrastructure
- Microsoft Teams
- Proxy Servers
- Systems Engineering
- Microsoft Azure
- Backup Devices
- Management
- Business Requirements
- Textiles
- Cloud Infrastructure
- Information Technology
- Security Controls
- Information Privacy
- Operating Systems
- Project Planning
- Disaster Recovery Plan
- Forecasting
- Governance
- Leadership
- Group Policy
Job areas
- Technology
- Management & Leadership
- Engineering
- IT Manager/System Administrator
- Systems Administrator
- Systems Aministrators
- Network and Computer Systems Administrators
More jobs from Gildan
Application Developer
- On-site
- Montréal, QC
- Posted Oct 5, 2026
Enterprise Business Analyst
- On-site
- Montréal, QC
- Posted Sep 23, 2026
Lead, Office Management
- On-site
- Montréal, QC
- Posted Sep 20, 2026
Sr. Manager, Global Mobility
- On-site
- Montréal, QC
- Posted Sep 2, 2026
