Network Data Specialist

Ready to work on enterprise-scale network transformations? We're looking for a hands-on Network Data Specialist III to join a high-performing infrastructure team supporting critical enterprise networking initiatives. This is an opportunity to step into a role where you'll make an immediate impact—working on major data centre migrations, next-generation firewall deployments, and complex network projects in a large enterprise environment. If you're someone who enjoys solving challenging networking problems, thrives in project-based work, and can confidently work across the full infrastructure stack, we'd love to hear from you. Advantages This isn't a maintenance-only role—you'll be driving some of the organization's most important infrastructure initiatives, including: - Lead and support a large-scale data centre migration - Migrate approximately 500 firewalls from Cisco to Fortinet, including translating, validating, and implementing firewall configurations - Execute enterprise network changes while ensuring business continuity - Support complex LAN/WAN environments and provide Tier 2 & Tier 3 troubleshooting - Implement approved security-related network changes in partnership with the Information Security team - Maintain automation scripts and improve operational efficiency using Python and Ansible - Monitor enterprise network health, capacity, and performance - Participate in architecture discussions, project planning, and infrastructure modernization initiatives Responsibilities - Install, configure, and support enterprise network infrastructure - Execute complex network changes and upgrades - Troubleshoot critical production issues across enterprise environments - Collaborate with infrastructure, security, and project teams - Translate business and technical requirements into network configurations - Maintain accurate technical documentation - Provide technical leadership and mentorship on complex networking issues - Ensure network performance, stability, and security across the environment Work Environment - Hybrid schedule with 2-3 days per week onsite in Mississauga - Thursday is the team's anchor day - Company-provided laptop and mobile phone - Occasional evening or weekend work during planned maintenance windows for major infrastructure changes - No regular on-call rotation Qualifications What We're Looking For We're seeking someone who can hit the ground running with minimal ramp-up. The ideal candidate has broad infrastructure experience and enjoys wearing multiple hats—not someone who has only worked in a narrowly focused enterprise networking role. Must-Have Experience: - 8+ years of enterprise networking experience - Strong hands-on experience with: Cisco routing and switching, Fortinet firewalls, Enterprise LAN/WAN environments, Network troubleshooting and incident resolution, Infrastructure and network migration projects - Experience developing or maintaining Python scripts - Experience using Ansible for network automation - Strong understanding of routing, switching, VPNs, firewalls, wireless networking, and enterprise security Nice to Have: - AWS or Azure networking experience - VMware experience - F5 or Citrix NetScaler - Cisco Wireless Controllers and 802.1X authentication - Experience with enterprise monitoring platforms such as StatSeeker Additional Qualifications: - University degree in Computer Science, Engineering, or related discipline - CCNP or CCIE certification preferred - Excellent troubleshooting, communication, and problem-solving skills - Ability to work independently while collaborating across technical teams