Job Title: Network L3 Support
Primary Skill: Network
Location: Montreal, QC
Work Type: Onsite
Employment Type: Full-Time
We are looking for an experienced Network L3 Support Engineer to join our team in Montreal, QC. The ideal candidate will be responsible for providing advanced (Level 3) technical support for enterprise network infrastructure, troubleshooting complex issues, and ensuring high availability and performance of network systems.
Provide Level 3 support for complex network incidents and problems.
Troubleshoot and resolve issues related to LAN, WAN, routing, switching, VPN, and firewall technologies.
Perform root cause analysis and implement permanent fixes for recurring network issues.
Monitor network performance and ensure optimal uptime and reliability.
Work closely with NOC, L1/L2 teams, and infrastructure teams to resolve escalated issues.
Manage network devices such as routers, switches, firewalls, and load balancers.
Implement network configuration changes and upgrades following change management processes.
Document troubleshooting steps, network configurations, and operational procedures.
Participate in on-call rotation for critical network incidents.
Strong experience in enterprise networking (routing & switching).
Knowledge of TCP/IP, BGP, OSPF, VLAN, STP, VPN technologies.
Experience with Cisco / Juniper / Aruba network devices.
Hands-on experience with network monitoring and troubleshooting tools.
Understanding of network security concepts and firewall technologies.
Strong analytical and problem-solving skills.
Bachelor’s degree in Computer Science, Information Technology, or related field.
Certifications such as CCNP, CCIE, JNCIP, or equivalent are a plus.
Experience working in enterprise or service provider environments.
Strong communication skills and ability to work in a fast-paced support environment.