Network Administrator

The role

You will ensure the availability, performance, and security of internal corporate networks across global offices. This role involves managing LAN/WAN connectivity, Fortinet infrastructure, and enterprise Wi-Fi while applying AI and automation to network operations.

What you will do

• Administer, configure, and troubleshoot global Fortinet network environments.
• Maintain and optimize enterprise LAN/WAN infrastructure, routing, switching, and VPNs.
• Serve as a Tier 2/3 escalation point for complex network issues.
• Support network reliability initiatives like redundant connectivity and dual-ISP failover.
• Execute network changes and upgrades following change management procedures.
• Implement AI-driven and automation solutions to improve network operations.
• Develop and deploy AI-enabled workflows, scripts, and API integrations.
• Design, deploy, and optimize enterprise Wi-Fi 6/6E infrastructure.
• Lead network infrastructure delivery for office moves, expansions, and refresh projects.
• Maintain accurate network documentation including diagrams and runbooks.

Required qualifications

• 5+ years of hands-on experience administering enterprise office networks across a multi-site global environment.
• Proficiency managing Fortinet infrastructure (FortiGate, FortiSwitch, FortiAP, FortiManager).
• Strong enterprise Wi-Fi experience, including RF planning or surveys and certificate-based wireless authentication.
• Strong understanding of TCP/IP, VLANs, BGP/OSPF routing, DNS/DHCP, IPsec VPNs, STP/BPDU protection, and QoS.
• An AI-first approach to problem-solving.
• Enterprise experience in network authentication using PKI and digital certificates, including 802.1X/EAP-TLS, RADIUS, root and intermediate Certificate Authorities, certificate lifecycle management, a
• Experience with SD-WAN, hub-and-spoke network design, redundant tunnels, dual-ISP failover, or out-of-band management.
• Experience working directly with carriers, hardware resellers, and third-party managed service providers (MSPs).
• Ability to troubleshoot complex issues logically, perform RCA, and document technical playbooks.
• Hands-on experience deploying and administering Fortinet network solutions.
• Experience working alongside Project Managers and cross-functional partners to drive network implementations.

Nice to have

• Experience delivering an AI or agentic-AI project end to end.
• Experience building AI-assisted workflows or integrating AI tools with network telemetry, logs, configuration data, or operational systems.
• Experience delivering network automation projects using Python, Ansible, Terraform, APIs, Git, or configuration templates.
• Experience with enterprise Wi-Fi platforms with Fortinet Technologies.
• Fortinet certification (FCP or relevant FCSS specialization), CWNA, or practical training in Fortinet SD-WAN, FortiSASE, FortiAnalyzer, FortiMonitor, or network automation.

Benefits

• Flexible work environment
• Flexible paid time off and remote work policies
• Equity options
• Contributions to your pension plan
• Training opportunities
• Health and wellness credit
• Time off to volunteer
• Interest groups, employee led networks, social committees or sponsored sports teams
• Computer purchase program to get your personal Macbook
• Enhanced parental leave

Before you apply

• Only accepting candidates located in Montreal

About the company

Lightspeed is a cloud commerce solution that helps merchants innovate to simplify, scale, and provide exceptional customer experiences. Founded in Montréal in 2005, the company is dual-listed on the NYSE and TSX.