Job Description

Lead Systems Engineer

Location: Markham, ON

Salary: $110,000-$115,000 CAD

CORA Group | Information Technology

About the Role

CORA Group is seeking a passionate, forward-thinking Lead Systems Engineer who thrives on solving complex technical challenges, embracing emerging technologies, and building innovative enterprise solutions.

At CORA, we foster a culture of innovation, collaboration, and continuous learning. We encourage creative thinking, technical excellence, and individuals who challenge the status quo to drive meaningful improvements.

The ideal candidate is a hands-on technologist with robust expertise in Microsoft enterprise technologies, cloud infrastructure, automation, and security. This individual will play a key role in modernizing our technology environment while ensuring our infrastructure remains secure, scalable, reliable, and efficient.

Position Overview

The Lead Systems Engineer serves as a senior technical subject matter expert responsible for designing, implementing, optimizing, and supporting CORA Group's enterprise infrastructure across cloud, on-premises, and hybrid environments.

This role combines solution architecture, hands-on engineering, technical leadership, project delivery, and Level III support, with a primary focus on infrastructure modernization, automation, operational resilience, and continuous improvement.

Key Responsibilities

Infrastructure Engineering & Architecture

- Design, implement, and maintain secure, scalable, and resilient enterprise infrastructure solutions.
- Lead infrastructure modernization initiatives, technology evaluations, proof-of-concept testing, and technical implementations.




- Translate business requirements into practical, cost-effective technology solutions.
- Establish technical standards, architecture documentation, and operational runbooks.
- Proactively identify emerging technologies and opportunities to improve infrastructure performance and efficiency.

Cloud & Enterprise Technologies

- Engineer and support Microsoft 365, Azure, Entra ID, Intune, Active Directory, and Windows Server environments.
- Manage hybrid cloud infrastructure, identity services, endpoint management, and SaaS integrations.
- Optimize infrastructure availability, performance, security, and operational costs.
- Support enterprise backup, disaster recovery, and business continuity capabilities.

Security, Automation & Operational Excellence

- Incorporate security best practices, compliance requirements, and risk management into infrastructure solutions.
- Drive automation using PowerShell, APIs, and modern infrastructure management tools.
- Identify and remediate infrastructure vulnerabilities, performance issues, and technical debt.
- Improve operational efficiency through standardization, proactive monitoring, and continuous improvement.
- Evaluate emerging technologies, including AI-enabled IT operations and intelligent automation, where appropriate.

Technical Leadership & Support





- Serve as a Level III escalation point for complex infrastructure and enterprise technology issues.
- Lead technical troubleshooting, root cause analysis, and resolution of critical incidents.
- Provide technical guidance and mentorship to fellow engineers and IT team members.
- Collaborate with cybersecurity teams, business stakeholders, and technology vendors.
- Lead infrastructure projects from design through implementation and operational handoff.

Required Qualifications

- Bachelor's degree in Computer Science, Information Technology, or equivalent professional experience.
- 5-7+ years of progressive experience in enterprise systems engineering and infrastructure administration.
- Strong hands-on experience with:
- Microsoft 365: Exchange Online, Teams, SharePoint Online.
- Identity & Endpoint Management: Entra ID, Active Directory, Group Policy, Intune.
- Cloud Infrastructure: Microsoft Azure, hybrid cloud environments, SaaS/IaaS technologies.
- Server Technologies: Windows Server, DNS, DHCP, virtualization, and enterprise networking fundamentals.
- Security & Resilience: Patch management, infrastructure hardening, backup/recovery, disaster recovery, and monitoring.
- Automation: PowerShell scripting, APIs, and infrastructure automation.
- Demonstrated ability to design, implement, and troubleshoot complex infrastructure solutions.
- Experience leading technical projects, evaluating technology solutions, and working with vendors.
- Strong analytical, problem-solving, communication, and documentation skills.
- Ability to work independently, manage competing priorities

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