We are looking for a Network Architect to support a Contract engagement with a metal fabrication organization in Brampton, Ontario. This role will focus on strengthening network performance, improving switch configurations, and identifying the root causes of connectivity and latency issues across the environment. The successful candidate will bring deep expertise in network architecture and configuration management, along with the ability to optimize infrastructure for reliability, scalability, and day-to-day operational efficiency.<br><br>Responsibilities:<br>• Assess the current switching environment and provide technical guidance for upgrading legacy HP/Aruba equipment to newer 1830 and 2930 models.<br>• Review and refine switch configurations to ensure the organization is using available features effectively and aligning the network with best practices.<br>• Investigate spanning tree behaviour across the network and implement corrective measures to improve stability and reduce disruption.<br>• Analyze the layer 3 core network design and recommend improvements that support performance, resilience, and future growth.<br>• Examine the integration between the Barracuda firewall and Microsoft Azure to identify configuration or connectivity issues affecting system responsiveness.<br>• Troubleshoot slow network performance related to cloud connectivity and develop practical solutions to improve communication with Azure services.<br>• Evaluate the existing UniFi wireless access point environment and confirm it is operating efficiently within the broader network architecture.<br>• Document findings, proposed changes, and implementation recommendations clearly for internal stakeholders and technical teams.

• Proven experience working as a Network Architect or in a senior network infrastructure role within complex environments.<br>• Strong hands-on knowledge of routers, switches, and enterprise network configuration management.<br>• Experience planning or supporting network hardware refresh initiatives and migration projects.<br>• In-depth understanding of layer 2 and layer 3 networking concepts, including spanning tree protocols.<br>• Practical experience troubleshooting firewall and cloud connectivity issues, particularly involving Microsoft Azure.<br>• Familiarity with HP/Aruba switching technologies and wireless networking environments such as UniFi.<br>• Ability to diagnose performance bottlenecks, communicate technical recommendations, and deliver structured documentation.

<p>Robert Half is the world’s first and largest specialized talent solutions firm that connects highly qualified job seekers to opportunities at great companies. We offer contract, temporary and permanent placement solutions for finance and accounting, technology, marketing and creative, legal, and administrative and customer support roles.</p> <p>Robert Half works to put you in the best position to succeed. We provide access to top jobs, competitive compensation and benefits, and free online training. Stay on top of every opportunity - whenever you choose - even on the go. <a href="https://www.roberthalf.com/ca/en/mobile-app" target="_blank">Download the Robert Half app</a> and get 1-tap apply, notifications of AI-matched jobs, and much more.</p> <p>This job posting is for a current vacancy with our client.</p> <p>Our specialized recruiting professionals apply their expertise and utilize our proprietary AI to find you great job matches faster.</p> <p>Questions? Call your local office at 1.888.490.4429. All applicants applying for Canadian job openings must be authorized to work in Canada.</p> <p>Only job postings for jobs located in Quebec appear in French.</p> <p>© 2025 Robert Half. By clicking “Apply,” you’re agreeing to Robert Half’s <a href="https://www.roberthalf.com/ca/en/terms">Terms of Use</a> and <a href="https://www.roberthalf.com/ca/en/privacy">Privacy Notice</a>.</p>