System Infrastructure Engineer (Linux & Virtualization) L2

IT Infrastructure Engineer L2

Contract length: 6 months (strong potential to extend an additional 6 months)

Location: King St West/ Dufferin St, near the Exhibition Place in downtown Toronto

Work model: Hybrid – 3 days onsite per week; occasional datacentre visits for vulnerability scanning and remediation

Interview process: HR screen → Hiring Manager → In‑person (Manager + Director)

Start date: July 2026

Main Deliverables

Remediate security vulnerabilities across Linux and virtualized environments
Execute hypervisor migrations, consolidation, and modernization initiatives
Stabilize, harden, and validate Linux compute, storage, backup, and DR platforms
Improve monitoring, centralized logging, and operational reliability

Technical Stack

Linux: RHEL, Ubuntu, Debian
Virtualization: VMware (vSphere/ESXi), Proxmox/KVM (preferred), XCP‑ng (bonus)
Automation & IaC: Ansible (required), Terraform, Bash, Python
Databases: MySQL, PostgreSQL
Storage: SAN / flash arrays, LUNs, fibre connectivity
Monitoring & Logging: ELK / Elastic, Graylog, LibreNMS, Nagios, SNMP, OpenTelemetry
Backup & DR: Veeam, Rubrik or similar enterprise backup tools
Security: Vulnerability scanning platforms (e.g., Qualys), CIS/NIST hardening

Requirements

5–7 years of hands-on administration of production Linux server environments, including installation, patching, version upgrades, performance tuning, and troubleshooting
Strong hands-on experience with VMware, including VM provisioning, clustering, lifecycle management, and resource optimization
Proven experience delivering infrastructure migrations and modernization projects (OS upgrades, hypervisor migrations, storage moves, hardware refreshes)
Direct experience remediating vulnerabilities identified through scanning tools by executing patching, upgrades, and hardening activities
Hands-on experience patching, upgrading, and supporting MySQL and/or PostgreSQL databases, including acceptance testing
Experience provisioning and managing block storage in virtualized environments (LUNs, SAN/flash arrays, fibre connectivity)
Experience implementing or supporting high-availability and disaster-recovery solutions for virtualized workloads
Practical experience with infrastructure‑as‑code and configuration management, with Ansible as a core requirement
Strong technical documentation capability (runbooks, SOPs, diagrams)

Responsibilities

Operate, harden, and maintain Linux compute and virtualization platforms in production and internal environments
Perform OS, database, and hypervisor patching, upgrades, and performance tuning
Execute hypervisor migration, consolidation, and cluster build‑out initiatives
Remediate vulnerabilities by interpreting scan results and driving fixes to closure
Provision and manage storage for virtualized workloads and databases
Validate backups, perform restore testing, and support DR exercises
Implement and maintain monitoring, alerting, and centralized logging solutions
Troubleshoot incidents, perform root-cause analysis, and address technical debt
Produce detailed technical documentation and escalate architectural decisions as required