Senior Network Administrator

SSE Enterprise; Montreal; Hybrid; CAD 80,000 - 110,000; Full time

Job summary

A leading technology platform in Montreal seeks a Senior Network Administrator to oversee and optimize their hybrid network infrastructure. This full-time, hybrid-remote role involves day-to-day network support, security management, and collaboration on projects. The ideal candidate will have extensive experience with Cisco and VMware solutions, and a passion for proactive problem-solving.

Benefits

Extended health and dental benefits

Parental top up program

Generous Employee Discount

Access to telemedicine

Savings and retirement plan matching contributions

Gender Affirmation Coverage

Qualifications

• 5+ years in complex network environments with Cisco & VMware solutions.
• Hands-on with Cisco routing & switching, VLANs, VXLAN, WLCs and APs.

Responsibilities

• Monitor and troubleshoot LAN/WAN connectivity, switches, routers and wireless access points.
• Configure and manage Cisco Next-Generation Firewall policies and Cloudflare Access.

Skills

Network Troubleshooting

Security Solutions

Automation

Tools

Cisco Firepower

Ansible

Terraform

Wireshark

Job description

SSENSE is a global technology platform operating at the intersection of culture, community, and commerce. Headquartered in Montreal, it features a mix of established and emerging luxury brands across womenswear, menswear, kidswear, and Everything Else. SSENSE has garnered critical acclaim as both an e-commerce engine and a producer of cultural content, generating an average of 100 million monthly page views.

Job Description

About the Job:

SSENSE is looking for a Senior Network Administrator to build, oversee, and optimize our growing hybrid network infrastructure across office, Fulfillment Centre, retail, and cloud environments. Based in Montreal, Quebec, this is a full-time, hybrid-remote opportunity to join a team that values deep technical expertise, proactive problem-solving, and strategic impact.

What You’ll Do:

Day-to-day network support: Monitor and troubleshoot LAN/WAN connectivity, switches, routers and wireless access points (WLC).

Firewall, VPN & Access Control: Configure and manage Cisco Next-Generation Firewall (Firepower) policies, Cloudflare Access/WARP tunnels and Cisco ISE for network access control; perform user provisioning, certificate lifecycle management, 802.1X/RADIUS authentication and enforce Zero Trust access policies.

System monitoring: Use DataDog and Catalyst Center to track uptime, performance metrics and respond to alerts.

Ticket resolution: Collaborate with the IT helpdesk to resolve user-reported network or security issues.

Documentation: Maintain up-to-date network diagrams, IP address spreadsheets, SOPs and runbooks.

Collaborate on projects: Partner with senior engineers on network moves, configuration changes and security hardening tasks.

Qualifications

Experience: 5+ years in complex network environments with Cisco & VMware solutions.

Wired & Wireless Networking: Hands-on with Cisco routing & switching, VLANs, VXLAN, WLCs and APs.

Security Solutions: Expertise in Cisco Firepower (NGFW), Cisco ISE, IPS/IDS, PKI and 802.1X/Dot1x.

Protocols & Technologies: Deep knowledge of L3 (OSPF, BGP, MPLS) and L2 (STP, LACP, PAgP) technologies.

Automation & Provisioning: Experience with Ansible and Terraform for network provisioning and capacity planning.

Troubleshooting Tools: Proficient with Wireshark, tcpdump, NetFlow (or similar) for network and security analysis.

What Sets You apart:

CCIE certification is an asset.

Methodologies: Familiarity with Agile frameworks (Kanban and/or Scrum) is a plus.

Additional Information

Why Join Us:

Extended health and dental benefits, including comprehensive mental health programs and coverage

Parental top up program

Generous Employee Discount

Access to telemedicine and employee and family assistance program

Savings and retirement plan matching contributions

Gender Affirmation Coverage Opportunity to work with cutting edge technologies and an innovative team that’s pushing the boundaries of technology

SSENSE is an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. If you need special accommodations, let us know. We will do our best to accommodate you!