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IT Infrastructure Engineer - System

Job in Markham, Ontario, Canada
Listing for: SinaLite
Full Time position
Listed on 2026-02-28
Job specializations:
  • IT/Tech
    Systems Engineer, Systems Administrator, Cybersecurity, IT Infrastructure
Job Description & How to Apply Below
Job Summary
We are seeking a highly skilled and experienced IT Infrastructure System Engineer to join our growing IT team. The successful candidate will be responsible for designing, implementing, and managing the organization’s IT system infrastructure, which includes the VMware environment, all production servers and applications, and the Windows domain and active directory environment. You will play a crucial role in ensuring the stability, scalability, and security of our IT systems infrastructure.

The ideal candidate will possess in-depth knowledge and hands‑on experience in system architecture / administration and the integration of both with best security practice principle in mind. You will also be responsible for troubleshooting complex issues, optimizing system performance, and collaborating with network engineers and other departments to ensure business continuity and technology alignment with organizational goals.

Key responsibilities
System Infrastructure Architect & Administration

Design, implement, and maintain servers (physical and virtual), operating systems, and storage solutions

Ensure server availability, reliability, and performance through proactive monitoring and system updates

Manage Active Directory, user access control, and group policies

Oversee server and system security, including patch management, and antivirus/malware protection

Managing Google workspace Suites

Troubleshoot, resolve, and elevate system‑related issues as needed

Manage Veeam backup system, archive system with Tape library and conduct regular backups, disaster recovery planning, and restore integrity tests

Implement and maintain DR site, conduct regular DR testing as part of business continuity practice

Optimize IT operation with automations or AI solutions

Participate and support the integration between multiple on‑premise systems and Cloud environments such as AWS, Azure

Security and Compliance

Ensure that system infrastructures meet corporate security policies and compliance standards

Regularly assess and perform security audits of the system infrastructure to identify potential vulnerabilities

Proactively review activity logs and manage the maintenance of the Palo Alto Cortex deployment to prevent security threats

Manage Duo deployment for company‑wise 2FA deployment

Respond to security incidents and participate in recovery efforts if required

Collaboration and Documentation

Work closely with IT network infrastructure engineer and other cross‑functional teams to support IT‑related projects and initiatives

Provide technical guidance and mentorship to junior IT staff

Document system configurations and procedures to maintain operational continuity and compliance

Document system changes, incidents, issue causes and solutions

Must to Have Skill Sets

Bachelor’s degree in Computer Science, Information Technology, or a related field, or equivalent experience

6+ years of experience in IT infrastructure management, with a focus on system administration but familiar with network administration as well

Deep understanding IT System infrastructure best practices for design and implementation

Extensive experience with Windows Server, Linux/Unix, and MacOS

Expertise on VMware environments with SAN storage and fiber switches

Excellent hands‑on experience with Veeam backup solutions, HP tape library and Disaster Recovery solutions

Deep understanding Google workspace

Understand network infrastructure knowledge including TCP/IP, DNS, DHCP, VLANs, routing/switching, firewall and network security

Experience with firewalls, Global protect VPN and Cortex security tools from Palo Alto or other vendors

Experience with network and system performance management tools

Experience with cloud platforms such as AWS, Azure

Ability to manage multiple priorities and work in a fast‑paced environment

Strong problem‑solving skills and attention to detail

Strong planning, communication and interpersonal skills

Proactive mindset with a focus on problem‑solving and continuous improvement.

Maintain a strong habit of documenting throughout the project lifecycle, including deployment, system changes and incident logs.

Demonstrated ability to work independently while fostering a collaborative team environment.

Qualifications & Nice to have

System certifications for Microsoft Windows infrastructure

Vmware certification

Cloud infrastructure certification for AWS and Azure

Experience with infrastructure automation tools:
Teraform, Ansible, Puppet, Chef

Familiarity with scripting languages:
Batch, Power Shell, Bash

Familiarity with Docker, K8S, ECS etc

Network certifications such as Cisco CCNA, CompTIA Network+

Firewall certification for Palo Alto

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