At PublicISP, we’re growing fast, new clients, environments, and technical challenges. The Senior Systems Engineer is responsible for delivering and maintaining the core infrastructure our clients depend on. From server deployments to complex migrations, this role takes ownership, handles the work that sits beyond the helpdesk, and ensures our environments are built correctly from the start.

Job Responsibilities

- Infrastructure Engineering: Design and implement Windows Server environments, including Active Directory, Entra ID, and identity architecture
- Project Execution: Lead end-to-end delivery of infrastructure projects including server builds, domain migrations, cloud transitions, and environment upgrades
- Systems Ownership: Maintain and optimize client and internal systems including Windows Server, Microsoft 365, SaaS platforms, file services, and identity platforms
- Virtualization & Backup: Deploy and manage Hyper-V infrastructure, storage systems, and backup and recovery solutions
- Network & Device Integration: Install and configure firewalls, VoIP systems, network equipment, and integrate printers and line-of-business applications
- Escalation Resolution: Own complex technical issues across server performance, authentication, infrastructure failures, and advanced Microsoft 365 scenarios
- Client & Team Coordination: Interface with clients, vendors, and internal staff to ensure projects are delivered cleanly and issues are resolved efficiently

What You Bring

- Experience: 5+ years in an MSP or IT consulting environment with hands-on infrastructure delivery
- Core Technical Skills: Strong experience with Windows Server, Active Directory, Entra ID,



Microsoft 365, and Hyper-V
- Deployment Capability: Proven ability to execute onsite infrastructure work including server installs, migrations, and environment builds
- Troubleshooting: Structured problem-solving approach with the ability to independently diagnose and resolve complex issues
- Communication: Clear, professional communication in client-facing situations and internal coordination
- Requirements: Valid G-class driver’s licence and ability to commute to clients as needed.

Why the Role Exists

This role is critical to ensure smooth high‑quality deployments that free our leadership to focus on strategy and growth. You’ll be part of the team that turns scaling ambitions into operational reality.

Why You’ll Want It

- Work in a high‑impact workplace with real ownership of procedures and processes.
- Direct influence on management decisions; your insights shape the company’s technical direction.
- Lead complex projects, mentor junior staff, and drive continuous improvement.
- Enjoy a culture that values independence, innovation, and professional growth.

Benefits

- Health Savings Plan
- Car Allowance
- On‑site parking
- Paid time off (PTO)
- Cell phone reimbursement

Job Type: Full-time

Pay: From $70,000.00 per year

Benefits:

- Extended health care
- On-site parking

Ability to commute/relocate:

- Etobicoke, ON M9C 5K5: reliably commute or plan to relocate before starting work (required)

Experience:

- Managed Service Provider: 5 years (required)

Language:

- English (required)

Licence/Certification:

- G Licence and 100% access at all times to your vehicle (required)

Work Location: In person

📌 Senior Systems Engineer (Etobicoke)
🏢 publicISP Technology
📍 Etobicoke