IT Infrastructure Administrator

Stella-Jones Inc.; Montreal (administrative region); Hybrid; CAD 90,000 - 120,000; Full time

Benefits offered by this job

Extended health and dental coverage

Life insurance & AD&D

Disability coverage (Short & Long-term

Annual Bonus Program

RRSP with generous company match (150%

Company Share Purchase Program (25%)

Job summary

Stella-Jones Inc. in Montréal, QC is seeking an IT Infrastructure Administrator to design, deploy, and optimize a hybrid Windows/AWS/Azure environment, safeguarding on-premises servers and expanding cloud footprints with high availability and security.

You will manage Active Directory, Microsoft 365, networking, backups, and security controls. The role combines in-office days at our Saint-Laurent HQ with remote work, requiring scripting skills, incident response, disaster recovery planning, and

Qualifications

• Five+ years of IT infrastructure administration experience.
• Expert Windows Server administration, Active Directory, and Group Policy.
• Hands-on AWS and Azure production environments.
• Strong TCP/IP, VLANs, VPNs, WAN/LAN troubleshooting.
• Microsoft 365 tenant management expertise.
• Ability to work independently and handle multiple priorities.
• Experience with Zscaler and knowledge of ZTNA.
• Experience with routers, switches, and firewalls.

Responsibilities

• Server Administration: patch and maintain Windows Server environments (2016/2019/2022) for high availability.
• Cloud Operations: manage AWS and Azure resources.
• Networking: oversee core networking, firewalls, switches, VPNs, DNS/DHCP.
• Identity & Productivity: administer Microsoft 365 (Exchange Online, SharePoint, Teams).
• Security & Compliance: implement security best practices and backups.
• Troubleshooting: escalate and perform root cause analysis.
• Documentation: maintain network and server configurations.

Skills

Windows Server administration

Active Directory

Group Policy

Cloud management (AWS & Azure)

TCP/IP, VLANs, VPNs

Microsoft 365 administration

Problem solving & multitasking

Zscaler & ZTNA

Networking hardware (routers, switches

Tools

PowerShell

Bash scripting

AWS CLI

Azure CLI

Zscaler

Job description

Posted Wednesday, July 29, 2026 at 7:00 a.m.

Company Overview

Stella-Jones is a leading manufacturer of essential infrastructure products focused on serving utilities and railroads, as well as supplying big box home improvement stores across North America. Headquartered in Montreal, Canada and publicly traded on the Toronto Stock Exchange, Stella-Jones operates a vast network of facilities that employs more than 3,000 employees across the United States and Canada. Built on strong foundations with a coast-to-coast reach, we offer real opportunities for career success and community impact.

Position Overview

We are seeking a highly skilled and proactive IT Infrastructure Administrator to join our team. The ideal candidate will be responsible for the design, deployment, management, and optimization of our hybrid infrastructure. You will play a critical role in maintaining the stability and security of our on-premises Windows server environments, as well as our expanding cloud footprint across AWS and Azure.

This position is hybrid, combining remote work with several in-office days per week at our Montréal HQ in Saint-Laurent once training and team integration are complete.

Key Responsibilities

• Server Administration: Manage, maintain, and patch Windows Server environments (2016/2019/2022) to ensure high availability and performance.
• Cloud Operations: Manage and scale cloud resources within AWS (EC2, S3, VPC) and Azure (VMs, Azure AD/Entra ID, Resource Groups).
• Networking: Oversee core networking components including firewalls, switches, VPNs, and DNS/DHCP configurations.
• Identity & Productivity: Administer and secure Microsoft 365 environments, including Exchange Online, SharePoint, and Teams administration.
• Security & Compliance: Implement security best practices, monitor system health, perform regular backups, and participate in disaster recovery planning.
• Troubleshooting: Serve as an escalation point for complex infrastructure issues, performing root cause analysis to prevent recurrence.
• Documentation: Maintain accurate documentation of network topology, server configurations, and operational procedures.

Required Qualifications

• Experience: Five (5) or more years of experience in IT infrastructure administration or a similar systems engineering role.
• Windows Server: Expert knowledge of Windows Server administration, Active Directory, and Group Policy.
• Cloud Proficiency: Hands-on experience managing production environments in both AWS and Azure.
• Excellent understanding of TCP/IP, VLANs, VPNs, and WAN/LAN troubleshooting.
• Proficient in Microsoft 365 tenant management and administration.
• Ability to work independently, manage multiple priorities, and solve complex technical problems under pressure.
• Experience with Zscaler and good knowledge of ZTNA
• Experience with network hardware, including routers, switches, and firewalls.

Preferred Skills

• Experience with PowerShell or Bash scripting to automate repetitive infrastructure tasks.
• Knowledge of PLC/OT environments
• Microsoft Certified: Azure Administrator, AWS Certified Solutions Architect, or similar are a plus.

Employee Benefits

• Extended health and dental coverage
• Life insurance and accidental death & dismemberment (AD&D)
• Short-Term and Long-Term disability coverage
• Competitive compensation
• Annual Bonus Program
• Retirement program (RRSP) with generous Company match (150% of employee's 4% contribution)
• Company Share Purchase Program with 25% Company contribution match
• Career advancement opportunities

Equal Opportunity Statement

Stella-Jones is an equal opportunity employer that is committed to diversity and inclusion in the workplace. We prohibit discrimination and harassment of any kind based on race, color, sex, religion, sexual orientation, national origin, disability, genetic information, pregnancy, or any other protected characteristic as outlined by federal, provincial, or local laws. This policy applies to all employment practices within our organization, including hiring, recruiting, promotion, termination, layoff, recall, leave of absence, compensation, benefits, training, and apprenticeship. Stella-Jones makes hiring decisions based solely on qualifications, merit, and business needs at the time.