Senior Linux Systems Administrator — Hybrid & Automation

Web Hosting Canada (WHC); Montreal; Híbrido; CAD 70.000 - 110.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

Hybrid Montreal office

Group insurance

Telemedicine

Employee assistance program

On-call rotation compensation

Descripción de la vacante

Web Hosting Canada (WHC) is seeking a Senior System Administrator to act as the escalation point for secure, fast, and reliable hosting environments. You will own critical incidents end to end, guide L1/L2 teams, and influence infrastructure strategy from monitoring to automation.

This hands-on role focuses on scaling infrastructure, hardening backups, and standardizing systems. You will work with cross-functional teams to fix root causes and improve monitoring, with a hybrid setup at our

Formación

• 5+ years administering Linux systems in a production hosting environment.
• Hands-on experience with cPanel/WHM in a production hosting environment.
• Strong knowledge of DNS, IPv4/IPv6, and core web technologies.
• Experience with email systems (SMTP, POP, IMAP) and deliverability.
• Database administration with MySQL or MariaDB.
• Comfort with Bash/command line.
• Experience with backup/restore tooling and monitoring/alerting platforms.
• Working knowledge of firewalls and web application firewalls (CSF, ModSecurity, Cloudflare).
• Strong written and verbal communication in English or French.
• Willingness to participate in a shared on-call rotation.

Responsabilidades

• Monitor production infrastructure and respond to incidents in real time.
• Diagnose and resolve complex performance issues including load balancing and database tuning.
• Identify and remediate security incidents such as malware and phishing.
• Provision, configure, and decommission servers (dedicated and cloud).
• Own backup, restore, and disaster recovery operations; verify effectiveness.

Conocimientos

5+ years Linux administrations

cPanel/WHM

DNS/IPv4/IPv6

Email systems and deliverability

MySQL/MariaDB

Bash/command line

Backup/restore tooling

Firewalls and WAFs

English/French communication

On-call rotation readiness

Herramientas

Cloudflare

CSF/ModSecurity

Descripción del empleo

Web Hosting Canada (WHC) is seeking a Senior System Administrator to act as the escalation point for secure, fast, and reliable hosting environments. You will own critical incidents end to end, guide L1/L2 teams, and influence infrastructure strategy from monitoring to automation.

This hands-on role focuses on scaling infrastructure, hardening backups, and standardizing systems. You will work with cross-functional teams to fix root causes and improve monitoring, with a hybrid setup at our