Senior Systems Engineer

Accu-Staff; Windsor; On-site; CAD 80,000 - 90,000; Full time

Job summary

Accu-Staff Resource Systems Enterprises Ltd. is seeking a Senior Systems Engineer to design, implement, and support hybrid infrastructure for complex client environments in Windsor, Canada.

The role involves leading projects from design through handover, providing Tier 3 escalation support, and participating in an after-hours rotation. Candidates should have strong experience with Windows Server, Active Directory, Azure/Entra ID, VMware/Hyper-V, and M365 services like Exchange Online and

Qualifications

• Senior Systems Engineer with experience in designing, implementing and migrating infrastructure solutions.
• Experience supporting complex client environments across multiple domains.
• Capable of leading projects and providing Tier 3 escalation support.

Responsibilities

• Design, implement and support Microsoft and hybrid infrastructure environments
• Lead infrastructure projects from design through implementation and handover
• Provide Tier 3 troubleshooting and escalation support
• Deploy and support VMware and Hyper-V environments
• Administer Windows Server, Active Directory, Group Policy and Azure/Entra ID
• Support Microsoft 365, Exchange Online and SharePoint
• Implement and support RDS/Terminal Services, VPN and remote-access solutions
• Work with SAN/NAS, storage, backup and disaster recovery solutions
• Troubleshoot LAN/WAN, firewalls, security and connectivity
• Review client environments and recommend improvements to performance, security and resiliency
• Develop technical documentation and implementation plans
• Participate in an after-hours/on-call rotation

Skills

Microsoft infrastructure

VMware

Hyper-V

Windows Server

Active Directory

Azure/Entra ID

Microsoft 365

Exchange Online

SharePoint

RDS/Terminal Services

VPN & remote access

Storage & backup

LAN/WAN networking

Job description

Pay: CA$80,000.00-CA$90,000.00 per year

Are you the person other IT professionals turn to when they can't solve the problem? We're looking for an experienced Senior Systems Engineer to join a growing technology team supporting complex client environments. We're hiring across two areas: Projects & Solutions – designing, implementing and migrating infrastructure solutions. Tier 3 Infrastructure & Escalations – solving complex technical issues and acting as the senior escalation point for critical client environments. If you're strongest in one area but experienced across both, we'd like to hear from you.

What You'll Do

• Design, implement and support Microsoft and hybrid infrastructure environments
• Lead infrastructure projects from design through implementation and handover
• Provide Tier 3 troubleshooting and escalation support
• Deploy and support VMware and Hyper-V environments
• Administer Windows Server, Active Directory, Group Policy and Azure/Entra ID
• Support Microsoft 365, Exchange Online and SharePoint
• Implement and support RDS/Terminal Services, VPN and remote‑access solutions
• Work with SAN/NAS, storage, backup and disaster recovery solutions
• Troubleshoot LAN/WAN, firewalls, security and connectivity
• Review client environments and recommend improvements to performance, security and resiliency
• Develop technical documentation and implementation plans
• Participate in an after‑hours/on‑call rotation