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Resonaite

Information Technology Infrastructure Manager

Belleville, ON, Canada

Job type: Full-time
Experience: 5+ years of experience managing enterprise IT infrastructure in a hands-on leadership role.
Posting language: English
Posted: Sep 30, 2026

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Original job description

Our client is seeking a hands-on IT Infrastructure & Operations Manager to lead the day-to-day operation, support, and strategic evolution of its enterprise IT environment across multiple locations. This leadership role combines people management with technical expertise, ensuring secure, reliable, and scalable IT infrastructure while supporting business growth, operational excellence, and technology modernization.

The successful candidate will oversee infrastructure, networking, servers, telecommunications, vendor relationships, cybersecurity, and end-user support while leading a small IT team.

Location: Belleville

Responsibilities

Lead the day-to-day operations of the IT department, providing both technical leadership and hands-on support.
Manage, mentor, and develop the IT team, including recruitment, performance management, workload planning, and professional development.
Maintain and enhance enterprise IT infrastructure, including servers, storage, networking, telecommunications, and end-user technologies.
Develop and execute infrastructure roadmaps, capacity planning, lifecycle management, and technology refresh initiatives.
Ensure the availability, performance, security, and reliability of business-critical systems across multiple locations.
Lead infrastructure upgrades, server migrations, network enhancements, and technology implementation projects.
Collaborate with business leaders to identify opportunities where technology can improve operational efficiency and support business objectives.
Provide strategic guidance on IT investments, infrastructure improvements, and emerging technologies.
Manage IT hardware and software procurement, vendor relationships, licensing, and support contracts.
Establish and maintain IT policies, procedures, standards, and documentation.
Ensure data integrity, information security, backup, disaster recovery, and business continuity processes are maintained.
Monitor system performance, troubleshoot infrastructure issues, and implement continuous improvements.
Support relational database environments, enterprise applications, and business systems.
Manage LAN, WAN, VPN, firewall, wireless, and branch connectivity infrastructure.
Coordinate external consultants and technology partners on infrastructure and project initiatives.
Provide technical support and leadership across all business locations as required.
Ensure compliance with corporate security, health and safety, environmental, and quality standards.

Qualifications

5+ years of experience managing enterprise IT infrastructure in a hands-on leadership role.
Experience supporting multi-site organizations with 50+ users.
Previous experience leading and developing technical support or infrastructure teams.
Strong knowledge of Windows Server environments, virtualization, storage, and enterprise infrastructure.
Experience with server design, implementation, migrations, and upgrades.
Working knowledge of high-availability and clustered server environments.
Strong understanding of networking technologies, including TCP/IP, switching, routing, firewalls, VPNs, and branch connectivity.
Experience administering Active Directory, Microsoft technologies, and enterprise productivity platforms.
Knowledge of backup, disaster recovery, cybersecurity best practices, and infrastructure resilience.
Experience supporting telecommunications systems and enterprise hardware procurement.
Familiarity with relational databases and networked application environments.
Strong vendor management and project coordination skills.

Technical Environment

Core infrastructure VMWare with 115 servers
90% Windows based
10% Linux based
8 Physical Servers, all WIndows Based
Network is 100% CISCO with full security in place (802.1x), including WIFI
Databases are 90% SQL, some PostgreSQL, and one Unidata (handled by ERP SysAnalyst)

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More about this job

Responsibilities

Lead daily IT operations and manage a small team while maintaining secure, reliable infrastructure across multiple locations. Direct infrastructure planning and projects, vendor relationships, cybersecurity, business continuity, and end-user support.

Requirements

Requires at least five years of hands-on enterprise infrastructure leadership, including experience supporting multi-site organizations with 50 or more users and developing technical teams. Candidates should have strong Windows Server, virtualization, storage, networking, Active Directory, cybersecurity, backup and disaster recovery, telecommunications, and vendor coordination experience.

Skills

IT Infrastructure Management
Team Leadership
Windows Server
VMware
Networking
TCP/IP
Switching and Routing
Firewalls and VPNs
Active Directory
Cybersecurity
Backup and Disaster Recovery
High Availability and Clustering
Server Migrations and Upgrades
Vendor Management
Project Coordination
Relational Databases

Visa sponsorship

Not detected in the job text

Keywords

VMware
Windows Server
Linux
Cisco
802.1X
SQL
PostgreSQL
UniData
Active Directory
TCP/IP
Switching
Routing
Firewalls
VPN
Wireless Networking
LAN
WAN
Virtualization
Storage
High Availability
Clustered Servers
Backup
Disaster Recovery
Business Continuity
Cybersecurity
Telecommunications
Enterprise Applications
Vendor Management
Motor Vehicle Manufacturing

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