Senior Systems & Network Administrator

Linux Association of Canada; Toronto; On-site; CAD 110,000 - 170,000; Full time

Job summary

Metalogics Inc. is seeking a Senior Systems & Network Administrator to own and shape our technology landscape.

The role focuses on strengthening cybersecurity, reliability, and efficiency across Windows Server, Hyper-V, Active Directory, Microsoft 365, and SQL Server environments, with leadership in infrastructure projects and on-call responsiveness. You will collaborate across IT to implement improvements, manage cross-site networking, and drive documentation and standards.

Qualifications

• 10+ years of progressive IT infrastructure experience.
• At least 5 years in a Senior Systems Administrator or similar infrastructure leadership role.
• Demonstrated experience owning enterprise IT environments from planning through ongoing support.

Responsibilities

• Own the administration and performance of Windows Server and Hyper-V environments.
• Manage Active Directory, Group Policy, DNS, DHCP, file services, and core infrastructure.
• Administer Microsoft 365, including Exchange Online, SharePoint, Teams, Entra ID, and licensing.
• Support SQL Server environments, including maintenance, backups, and performance monitoring.
• Maintain and optimize multi-site networking, VPN connectivity, switches, firewalls, and wireless infrastructure.
• Lead cybersecurity initiatives including vulnerability management, endpoint protection, MFA, and security best practices.
• Perform monthly server patching, firmware updates, and system health monitoring.
• Ensure backup and disaster recovery solutions are tested and remain business-ready.
• Lead infrastructure projects from planning through implementation.
• Coordinate with external IT vendors and consultants for specialized expertise.
• Develop and maintain accurate technical documentation, standards, and procedures.
• Manage hardware lifecycle planning, licensing, and technology roadmaps.
• Recommend improvements that increase reliability, security, and operational efficiency.
• Act as the senior escalation point for technical issues.
• Support business-critical applications and operational systems.
• Participate in an on-call rotation and respond to critical after-hours issues when required.
• Participation in an on-call support rotation is required

Skills

Leadership

Strategic thinking

Problem solving

Team collaboration

Tools

Windows Server

Hyper-V

Active Directory

Group Policy

Microsoft 365

SQL Server

Power BI

PowerShell

Networking

Security best practices

Job description

Metalogics Inc, recently awarded the certification of 'Great Place To Work', for the 5th year running, is growing again! At Metalogics our Team is the key to our success. We are always looking for great teammates. Our roles are teamed by motivated and dependable people committed to creating a work environment that is collaborative, allowing each to make the other better. We seek candidates with potential and purpose, helping us to achieve our goals. We are currently hiring to fill the need of a Senior Systems & Network Administrator.

Job Summary:

The Senior Systems & Network Administrator position provides internal ownership of the company's technology environment. The objective is to shape the future of our technology environment. Your work will directly improve cybersecurity, operational reliability, and the efficiency of our business while giving you the autonomy to recommend and implement meaningful improvements.

Role and Responsibilities:

Infrastructure & Systems

• Own the administration and performance of Windows Server and Hyper-V environments.
• Manage Active Directory, Group Policy, DNS, DHCP, file services, and core infrastructure.
• Administer Microsoft 365, including Exchange Online, SharePoint, Teams, Entra ID, and licensing.
• Support SQL Server environments, including maintenance, backups, and performance monitoring.

Network & Security

• Maintain and optimize multi-site networking, VPN connectivity, switches, firewalls, and wireless infrastructure.
• Lead cybersecurity initiatives including vulnerability management, endpoint protection, MFA, and security best practices.
• Perform monthly server patching, firmware updates, and system health monitoring.
• Ensure backup and disaster recovery solutions are tested and remain business-ready.

IT Leadership

• Lead infrastructure projects from planning through implementation.
• Coordinate with external IT vendors and consultants for specialized expertise.
• Develop and maintain accurate technical documentation, standards, and procedures.
• Manage hardware lifecycle planning, licensing, and technology roadmaps.
• Recommend improvements that increase reliability, security, and operational efficiency.

User & Operational Support

• Act as the senior escalation point for technical issues.
• Support business-critical applications and operational systems.
• Participate in an on-call rotation and respond to critical after-hours issues when required.
• Participation in an on-call support rotation is required

Required Experience

• 10+ years of progressive IT infrastructure experience.
• At least 5 years in a Senior Systems Administrator or similar infrastructure leadership role.
• Demonstrated experience owning enterprise IT environments from planning through ongoing support.

Technical Expertise

• Windows Server
• Hyper-V virtualization
• Active Directory & Group Policy
• Microsoft 365 administration
• SQL Server administration and maintenance
• Microsoft Power BI
• Multi-site networking, VPNs, switching, and firewalls
• Cybersecurity and endpoint protection
• Backup and disaster recovery
• PowerShell scripting is considered an asset
• Industry Experience (Preferred)
• Experience supporting industrial, manufacturing, recycling, logistics, or similar operational environments is an asset.

Working Environment

Collaborative, team-oriented workplace.

Fast-paced environment with multiple competing priorities.

On-site with occasional after-hours maintenance and emergency response.