Linux Systems Administrator

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

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 pf Sense, 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, pf Sense 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…