Senior Manager, Infrastructure

Groupe Dynamite; Mount Royal; On-site; CAD 120,000 - 180,000; Full time

Benefits offered by this job

Performance-driven bonuses

Group retirement savings with employer

Flexible group insurance

Employee discount at Garage and Dynami

Exclusive private sample sales

Flexible vacation policy

Job summary

Groupe Dynamite, a Montréal-based fashion retailer, seeks a Senior IT Infrastructure Manager to lead planning, budgeting, and delivery of enterprise IT services across on‑premise and multi‑cloud environments. You will oversee a six‑person team, ensure SLA adherence, and drive security, compliance, and cost efficiencies while aligning IT with business goals.

The role emphasizes strategic leadership, vendor management, and cross‑functional collaboration to support Garage and Dynamite brands across

Qualifications

• University degree in Computer Science or a related technical discipline.
• 10+ years of experience managing and delivering infrastructure design and operational excellence, including 5+ years successfully leading an infrastructure team.
• Proven track record in service and application delivery, technical support, and fulfilling SLA commitments.
• Experience interpreting and applying relevant local and federal regulatory compliance requirements to IT operations.
• Core Networking & Hardware: Deep familiarity with firewalls, switching, routing protocols, current networking standards, and hands-on hardware troubleshooting.
• Systems & Virtualization: Proficiency in Microsoft Windows Server environments, Linux OS, VMware, and Proxmox virtualization platforms.
• Cloud & Identity Architecture: Hands-on experience with multi-cloud environments (Azure, AWS, OCI, GCP), Active Directory, Entra ID, DNS, DHCP, and GPOs.
• Security & Management Tools: Experience implementing and overseeing SIEM/EDR platforms (Darktrace, CrowdStrike, Elastic) and patch management solutions (ManageEngine);
• Programming & Automation: Conversant with programming languages and scripting for infrastructure management.
• Demonstrated leadership, strategic planning, personnel management, vendor oversight, and roadmap execution skills.
• Certifications:Industry credentials in cloud platforms (AWS/Azure), networking (Fortinet, Extreme Networks).

Responsibilities

• Actively engage in budgeting and ensure projects stay on schedule.
• Monitor budget to prevent overspending and enforce license limits.
• Maintain license compliance and manage auditing processes for IT operations.
• Strengthen Accounts Payable relationships and drive cross‑departmental efficiency.
• Lead a team of six to maintain network stability and security.
• Collaborate with Audit to implement internal auditing for IT infra and projects.
• Oversee external auditing and security firms as needed.
• Propose innovative service delivery approaches to lower costs and improve productivity.

Skills

Leadership

Budgeting

Infrastructure design

SLA management

Regulatory compliance

Network security

Cloud architectures

Automation scripting

Education

University degree in Computer Science

Tools

VMware

Proxmox

Active Directory

Entra ID

DNS/DHCP

GPOs

SIEM

ManageEngine

Fortinet

Extreme Networks

Job description

Overview

Groupe Dynamite Inc. (GDI) is a Montréal-based, public company of integrated omni-channel brands, designing and distributing accessible, trend-forward fashion for women since 1975.

Our mission of "Empowering YOU to be YOU, one outfit at a time" is brought to life through the GARAGE and DYNAMITE banners and represents the consumer-centric core of GDI's long-standing success as a leading retailer in North America.

Today, GDI operates nearly 300 stores across Canada and the United States, as well as shoppable brand experiences at Garageclothing.com and Dynamiteclothing.com.

Job Summary

The Senior Manager’s role is to plan, organize, and manage staff and overall operations to ensure the stable operation of the organization’s network infrastructure.

Key Responsibilities

• Actively engage in the budgeting process
• Monitor the budget closely and to prevent overspending and ensure planned projects remain on schedule;
• Maintain license compliance to ensure we remain on target and do not exceed active license limits;
• Investigate opportunities to strengthen Accounts Payable relations, streamlining cross‑departmental processes and driving operational efficiency;
• Lead a team of six to maintain network stability and security while effectively supporting evolving business needs;
• Work with the Audit team to create internal auditing processes for the IT Infra operations and project deliveries;
• Responsible for hiring external auditing and security firms, when required, to assess our operational practice and service delivery;
• Provide creative new approaches for service delivery, focusing on lowering operational costs and improving customer productivity.

Qualifications

• University degree in Computer Science or a related technical discipline;
• 10+ years of experience managing and delivering infrastructure design and operational excellence, including 5+ years successfully leading an infrastructure team;
• Proven track record in service and application delivery, technical support, and fulfilling SLA commitments;
• Experience interpreting and applying relevant local and federal regulatory compliance requirements to IT operations;
• Core Networking & Hardware: Deep familiarity with firewalls, switching, routing protocols, current networking standards, and hands‑on hardware troubleshooting;
• Systems & Virtualization: Proficiency in Microsoft Windows Server environments, Linux OS, VMware, and Proxmox virtualization platforms;
• Cloud & Identity Architecture: Hands‑on experience with multi‑cloud environments (Azure, AWS, OCI, GCP), Active Directory, Entra ID, DNS, DHCP, and GPOs;
• Security & Management Tools: Experience implementing and overseeing SIEM/EDR platforms (Darktrace, CrowdStrike, Elastic) and patch management solutions (ManageEngine);
• Programming & Automation: Conversant with programming languages and scripting for infrastructure management;
• Demonstrated leadership, strategic planning, personnel management, vendor oversight, and roadmap execution skills;
• Exceptional analytical, problem‑solving, and decision‑making capabilities, particularly during high‑pressure or emergency situations;

• Certifications:Industry credentials in cloud platforms (AWS/Azure), networking (Fortinet, Extreme Networks).

At GDI, you will be part of a growing organization that understands the importance of investing in people and offers you:

• A comprehensive compensation package that includes performance-driven bonuses;
• A group retirement savings program with employer matching;
• Flexible group insurance with personalized coverage that meets your needs;
• An employee discount at Garage and Dynamite;
• Exclusive private sample sales;
• A flexible vacation policy;
• And more!

GDI has been repeatedly voted one of Montréal’s Top Employers and one of Canada’s Top Employers for Young People.

Our promise…

No day will be like the last—we aim to be better today than we were yesterday. We are committed to employment equity.

Candidates that are retained will be called for an interview.