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Open nowPosted 33 days ago

Linux Systems Administrator

Workable (global search)109,826 open roles

Where
Vaughan, ON, Canada
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Your applicationOpen nowLinux Systems AdministratorWorkable (global search) · Vaughan, ON, Canada

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The clock on this job

Early applications get read.

7.9% of postings close within 7 days. Measured by our own scanner across the market. Workable (global search) postings stay open a median of 2 days.

Share of postings closed within
  1. 1.6%1 day
  2. 3.6%3 days
  3. 7.9%7 days
  4. 14.9%14 days
  5. 34.0%30 days
This job: posted 33 days ago

Workable (global search) median: 2 days open

The posting

Our client, a rapidly growing healthcare technology company supporting clinics across Canada and the U.S., is seeking a Linux Systems Administrator to help strengthen and scale their IT operations.

In this role, you’ll take ownership of hybrid infrastructure spanning on-prem and cloud environments, ensuring performance, reliability, and automation at every level. From virtualization and networking to CI/CD and system monitoring, you’ll play a key role in maintaining a secure, high-availability environment that supports critical business systems.

💻 Who You Are

You’re a versatile IT professional who thrives in complex environments and enjoys building resilient systems through automation. You bring a balance of hands-on technical skills, structured problem-solving, and a forward-thinking mindset. You’re comfortable managing both legacy and modernized platforms, ensuring infrastructure runs smoothly, efficiently, and securely.

📍 Work Type

  • Fully Onsite – 5 days a week in office
  • Location: Vaughan, ON
  • Vacancy Type: This is a newly created position

Requirements

🎯 What You’ll Do (Your Superpowers)

  • Manage and maintain VMware, Proxmox, and Azure environments to ensure a stable, secure, and scalable infrastructure.
  • Administer and optimize enterprise network infrastructure, including switches, routers, firewalls, VLANs, VPNs, and wireless connectivity to ensure reliable network performance.
  • Configure and maintain pfSense, HAProxy, Cisco networking devices, and core network services (DNS, DHCP) to support high availability and secure connectivity.
  • Implement and maintain network security best practices, including firewall policies, segmentation, access controls, and secure remote connectivity.
  • Automate infrastructure provisioning, configuration, and deployments using Ansible and related automation tools.
  • Oversee server hardware, NAS, and backup solutions, ensuring redundancy, disaster recovery, and data protection.
  • Administer and optimize Linux and Windows servers, performing patching, performance tuning, and troubleshooting across both systems and network environments.
  • Deploy and manage Docker and Kubernetes environments, improving application scalability and microservices performance.
  • Monitor infrastructure and network health using Grafana, Prometheus, and Zabbix, implementing proactive alerting, logging, and performance monitoring.
  • Manage and maintain MySQL, MongoDB, and SQLite databases with a focus on reliability, replication, backup, and performance optimization

⭐ What We’re Looking For (Our Wishlist)

  • 4+ years of hands-on experience in systems administration, network administration or infrastructure engineering
  • Strong understanding of Linux server administration (required), with experience managing Windows environments
  • Strong networking knowledge, including TCP/IP, routing, switching, VLANs, DNS, DHCP, VPNs, load balancers, and enterprise firewall administration
  • Proven skills in virtualization platforms such as VMware and Proxmox
  • Hands-on experience configuring and troubleshooting network infrastructure, including Cisco networking equipment, pfSense firewalls, and high-availability networking solutions
  • Experience implementing infrastructure and network security best practices, including segmentation, access controls, and secure remote connectivity
  • Experience working in cloud environments (Azure preferred), including hybrid or multi-site architectures
  • Experience managing databases (MySQL, MongoDB, SQLite) for performance and reliability
  • Strong analytical and troubleshooting abilities with a focus on uptime, efficiency, and scalability
  • Excellent documentation, communication, and collaboration skills
  • A proactive mindset, always looking for opportunities to improve reliability and automate repetitive tasks

🔥 What Makes This Role Exciting

  • Innovation & Impact – Work across cutting-edge cloud, virtualization, and infrastructure technologies to keep critical systems running efficiently
  • Autonomy & Ownership – Take the lead on infrastructure optimization, automation, and performance tuning projects
  • Continuous Learning – Expand your skills with modern tools and architectures across multiple environments
  • Collaborative Culture – Join a team that values curiosity, initiative, and innovation

Benefits

  • Base Salary: $80,000 – $100,000
  • Paid Time Off: Competitive vacation and personal days to maintain a healthy work-life balance
  • Health Spending Account & Dental Coverage: Flexible coverage to support your individual and family health needs
  • Culture & Team: Be a part of a supportive cross-functional team, that thrives on collaboration and innovation, where every member's ideas are valued and contribute to shared goals and success

📩 Ready to Elevate Your IT Career? Apply Now!

At STACK IT Recruitment, we connect top technical talent with standout opportunities across Canada. If you meet at least 70% of the qualifications, we encourage you to apply — we’d love to chat!

Know someone perfect for this role? Share this posting! You might help them find their next great opportunity.

✨ We’re proud to support diversity and inclusion. Need accommodation during the hiring process? Just let us know — we’re here to help.

AI Use Disclosure: STACK IT uses AI-enhanced tools to support initial candidate screening and interview note analysis. All assessments and hiring decisions remain human-led.

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