CareerPlan

Sr. Network Security Specialist

CAN, ON, Mississauga, CAFull-time$99k–$132k2026-10-30 → 2026-11-10

Core

Design and advance secure, resilient, and scalable network infrastructure across enterprise, hybrid-cloud, and on-premises environments.

Role type

Senior individual-contributor network security architect

Builds

Secure network architectures, firewall capabilities, and access solutions for enterprise and hybrid-cloud environments

Domain

Cybersecurity / Network Infrastructure

Required skills

Network architecture design, Zero Trust implementation, network segmentation, firewall policy design, routing and switching protocols, threat detection analysis, technical documentation, incident root cause analysis

Preferred skills

Palo Alto Networks, Zscaler, HPE Aruba EdgeConnect, IDS/IPS, ZTNA, VPN, NAC, cloud security architecture, automation (Ansible/Python), vendor assessments

Technologies

Palo Alto Networks, Zscaler, HPE Aruba EdgeConnect, TCP/IP, BGP, OSPF, MPLS, SD-WAN, Ansible, Python

Responsibilities

Design secure network architectures for hybrid-cloud and on-premises environments; Lead network security architecture reviews and risk assessments; Architect and optimize firewall and perimeter security capabilities; Design secure workforce and device access solutions; Strengthen threat detection through network traffic analysis; Evaluate technologies and vendor solutions for security roadmaps; Provide technical leadership during complex incidents

Seniority

Senior, hands-on IC