Systems Administrator - L3 Support

Systems Administrator – L3 Support

About Sid Lee Sid Lee is a multidisciplinary creative collective that strives to make a difference and celebrate culture with bold ideas. With 700 professionals working across offices in Montreal, Toronto, New York, Paris, London, Los Angeles and Seattle, we build brands, deliver brand expression and create brand experience. Our community also includes Yard, Digital Kitchen, BIMM and Haigo.

We’re looking for a seasoned Systems Administrator – L3 Support to join our Toronto team. This hands‑on IT professional will balance infrastructure management with top‑tier technical support, ensuring secure, reliable and optimized systems. Operating across two local offices, you will be part of a global IT team of 17 spanning London, Paris, New York, Seattle and Montreal.

• Manage and administer cloud services such as Google Workspace and Microsoft 365.
• Implement and enforce endpoint security and device management using Kandji and in Tunes (Mac & Windows).
• Deploy, configure and maintain office networking infrastructure, including Wi‑Fi, firewalls (Fortigate), and switches (Arista, Cisco, Mellanox, Uni Fi).
• Oversee two server rooms and a data centre housing GPU render farms, TrueNAS systems, RAID arrays and other workstation/server hardware.
• Operate and maintain LTO robots and archival systems managing 2.5 PB of data in alignment with data governance principles.
• Administer virtualization environments exclusively on Prox Mox.
• Propose, implement and maintain open‑source monitoring solutions (e.g., Prometheus, Grafana, ELK) and reliable alerting systems.
• Configure and secure VPN and firewall policies.
• Handle Level 3 escalations for complex hardware, software and network incidents.
• Deploy and configure workstations, printers, peripherals and meeting‑room AV systems (Zoom/Teams).
• Maintain physical office infrastructure readiness.
• Document procedures, system configurations and troubleshooting guides for future reference.

• Diploma in a related field (an asset).
• A minimum of 5 years’ experience in computing, IT and/or user support.
• Strong knowledge of:
  • Cloud platforms (Google Workspace, Microsoft 365)
  • Networking (Fortigate, Arista, Cisco, Mellanox, Uni Fi, high‑speed 10
    
    GbE+ networks)
  • Storage systems (TrueNAS, RAID, NAS, LTO)
  • Virtualization (Prox Mox)
  • Operating systems (Windows, macOS, Linux)
  • Endpoint management (Kandji, in Tunes)
• Experience with monitoring/logging tools and open‑source observability stacks.
• Ability to diagnose and resolve data degradation issues and complex network problems.
• Skilled in GPU workstation support, server hardware troubleshooting and AV system setup.
• Strong organizational and communication skills.
• Willingness to work on‑site across two Toronto offices, with occasional travel to Montreal and Los Angeles.
• Flexibility for maintenance or urgent troubleshooting outside core hours.

Sid Lee is an equal‑opportunity employer committed to a diverse work environment. All qualified applicants are considered without regard to citizenship, ethnicity, race, colour, religion, gender, gender identity or expression, sexual orientation, disability, age or veteran status. We encourage women, Indigenous peoples, persons with disabilities, and members of visible and ethnic minorities to apply. Accommodation measures can be made available for persons with disabilities upon request at any stage of the pre‑selection and selection process.

Toronto, Ontario, Canada