Senior System Administrator (Toronto)

Senior Systems Administrator – Full Time – Toronto, ON or Vancouver, BC. Zonda seeks an experienced Senior Systems Administrator to join the IT team. The successful candidate will own the day-to-day operation, security, and continuous improvement of the hybrid infrastructure, spanning on‑premises servers, virtualization platforms, enterprise networks, and Amazon Web Services (AWS) footprint.

Responsibilities

• System Administration – Oversee the installation, configuration, and lifecycle maintenance of physical and virtual servers, storage arrays (SAN/NAS) and supporting infrastructure across data center, branch, and cloud environments.
• Administer enterprise Linux distributions (Amazon Linux, Red Hat Enterprise Linux, Rocky/AlmaLinux, Ubuntu Server, SUSE) including kernel tuning, package management, systemd services, file system management (ext4, XFS, ZFS), and performance optimization.
• Administer Windows Server environments (2016/2019/2022) i...