Role: Network Admin / Network Security Engineer
Location: Montreal, QC
Work Arrangement: Hybrid 3 Days Onsite
Fulltime FTE - Permanent
Experience: Senior-level Network Security Administration
Industry: Financial Services Preferred
Job Summary
We are seeking a Senior Network Administrator / Network Security Engineer to support enterprise network security infrastructure, cloud firewalls, secure IoT deployments, and L3 operational support. The ideal candidate will have strong hands-on experience with firewalls, network security, routing/switching, cloud networking, troubleshooting, automation, and incident management.
Key Responsibilities
Lead the onboarding, deployment, integration, and operational support of Secure IoT firewalls across enterprise environments.
Provide L3 network security support, troubleshooting complex incidents and collaborating with internal technology teams, senior management, and external vendors.
Administer and support network security platforms including Fortinet, Palo Alto, Juniper, GCP Cloud Native Firewalls, and related technologies.
Design, implement, and maintain firewalls, VPNs, NAT, packet filtering, stateful inspection, and host-based security controls.
Support cloud networking and security environments, including cloud-native firewall technologies and enterprise integrations.
Apply strong knowledge of networking fundamentals, OSI model, TCP/IP, routing, switching, VLANs, static routing, BGP, and network design.
Develop automation and integration solutions using Python, Shell Scripting, Ansible, GitHub, data pipelines, and third-party vendor APIs.
Implement monitoring and health checks to ensure secure, resilient, and highly available network infrastructure.
Develop and maintain operational runbooks, technical documentation, network designs, and support procedures.
Participate in Change Management, Incident Management, Incident Response, and operational on-call support as required.
Coordinate with global technology teams and vendors on design, deployment, troubleshooting, knowledge transfer, and technical training.
Provide technical support to business users and stakeholders while managing multiple priorities in a fast-paced enterprise environment.
Required Skills & Qualifications
Senior-level experience in Network Administration / Network Security Engineering.
Strong hands-on experience with enterprise firewalls and network security solutions.
Experience with Fortinet, Palo Alto, Juniper, or similar firewall platforms.
Strong understanding of VPN, NAT, packet filtering, stateful firewall inspection, and host security including iptables.
Strong networking fundamentals including TCP/IP, OSI, routing, switching, VLANs, static routing, BGP, and network architecture.
Experience working with cloud environments, preferably GCP or similar cloud platforms.
Scripting/automation experience with Python, Shell, Ansible, GitHub, or vendor APIs.
Experience with L3 troubleshooting, incident response, change management, monitoring, and production support.
Excellent written and verbal English communication skills with strong documentation and presentation abilities.
Bachelor's degree in Computer Science, Information Technology, or equivalent experience.
Financial Services / Banking experience is strongly preferred.
Network Admin / Network Security Engineer || Montreal, QC || Fulltime FTE • Montreal, QC, Canada
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