Top Network Engineer Jobs in Toronto

The Global Network Engineer will design, implement, and support network and cloud infrastructure, ensuring adherence to IT standards and security protocols across global locations.

The Network Engineer administers enterprise network infrastructure across offices, data centers, cloud environments, and construction job sites. Responsibilities include managing Palo Alto firewalls, Zscaler access, Cisco switching, wireless networks, Azure networking, Aruba ClearPass, monitoring, vulnerability remediation, incident response, site onboarding, and network transformation projects. The role also requires maintaining technical documentation and collaborating with systems, cloud, security, and service delivery teams.

Design, deploy, and operate enterprise network infrastructure across data centers and cloud (GCP, AWS, Azure). Manage VPCs, VPNs, BGP, F5 BIG-IP, hybrid connectivity, and observability. Build IaC and automation with Terraform, GitLab CI/CD, and Ansible. Maintain monitoring, documentation, and participate in on-call support for critical incidents.

Build and design proxy infrastructure from scratch, implement rotation systems, manage IP reputation, optimize for performance, and develop reverse proxy systems for various proxy types.

Design and architect front-end network fabrics for AI/ML and HPC clusters. Automate deployment of network infrastructure, debug networking issues, and lead technical projects across teams.

The Network Engineer will design cloud network architectures, lead transformation initiatives, ensure scalability and security, and integrate observability across multi-cloud environments.

Design, automate, and operate hybrid cloud and datacenter networks. Develop and maintain Ansible playbooks and automation, troubleshoot connectivity, implement security, monitor systems, and participate in 24/7 on-call escalation for highly available network architectures.

Perform L3 network troubleshooting and RCA on production enterprise networks, review telemetry/logs/configs, label and annotate network behaviors for ML training, and help define schemas and data pipelines to support AI-driven infrastructure.

Design, deploy, and tune L2/L3 enterprise and data-center networks; maintain high-capacity links and routing protocols; automate tasks with Python/Ansible/Terraform; respond to P1/P2 incidents on a 24×7 on-call rotation; collaborate with InfoSec to harden configs and maintain runbooks and diagrams.

The Global Network Engineer will design, implement and support network and cloud infrastructure, providing Level 3 support and ensuring security alignment with IKO's standards.

Design, engineer, and operate Netskope-based SASE/SWG infrastructure and enterprise traffic steering. Implement IPsec/GRE tunnels, SDWAN integrations, BGP routing, DLP and policy enforcement. Provide platform-level incident response, escalation support, optimization, and technical leadership for secure enterprise connectivity in a regulated financial environment.

Cygnus Professionals Inc. is hiring .NET Developers and other IT professionals to provide solutions and onsite services to customers.

Cygnus is seeking IT professionals for various roles including development, analysis, project management, and engineering to support their IT Solutions Division.

Architect and develop scalable, multi-tenant cloud-native networking and security solutions across public, private, and hybrid clouds. Build high-performance traffic management, security policy orchestration, telemetry, threat detection, observability, and cost-optimization systems. Develop production software in Go and PHP, optimize data-plane performance, integrate NGFW and SASE technologies, and guide teams through architecture and delivery.

Design, develop, and maintain Python-based automation and full-stack solutions to improve operational efficiency, automate security and infrastructure workflows, integrate with REST APIs, support CI/CD, and enhance SRE and security controls while collaborating with stakeholders.

Senior Network Engineer responsible for architecting, implementing, and supporting enterprise LAN/WAN and SD-WAN solutions. Duties include configuring routers, switches, firewalls, routing protocols (BGP/OSPF), QoS, automation with Ansible/Jenkins, ClearPass integration, cloud logging, and operational support in 24x7 mission-critical environments. Produce design docs, perform installs, troubleshoot, and support pilot and deployment phases.

Design, deploy, operate, and support enterprise-scale network infrastructure across cloud, on-prem, and hybrid environments. Manage LAN/WAN/WLAN/data center networks, internet circuits, routing, switching, firewalls, SASE/Zero Trust solutions, and Check Point Maestro. Lead advanced troubleshooting, participate in weekly on-call rotation, and develop automation using Python, Bash, APIs, and Ansible to improve operational efficiency.

The Senior Network Engineer will manage and optimize in-house and cloud-based networks, ensuring security and availability while troubleshooting complex network issues.

Provide Level 2/3 network support and engineering: configure and install network devices, perform maintenance and upgrades, monitor performance and capacity, troubleshoot issues, follow change management, implement security tools and policies, and liaise with vendors and IT staff. Contract role based in Mississauga requiring Juniper experience.

The Network Design Engineer is responsible for designing and implementing network solutions, managing WAN technologies, and ensuring security measures are in place. Requires proficiency in various network protocols and firewall technologies.

Design, deploy, and operate secure, automated cloud infrastructure (primarily AWS) and networking. Troubleshoot production issues, build IaC with Terraform/Azure DevOps, drive automation using AI tools, optimize performance and security, mentor junior engineers, participate in on-call rotation, and collaborate with cross-functional teams to deliver reliable cloud platform solutions.

Design, build, and operate firewall, segmentation, and zero-trust controls across data center, corporate, and cloud networks. Implement infrastructure-as-code for policy and CI/CD deployment, manage lifecycle and rule hygiene, build network detection capabilities, operate VPN/remote access patterns, and document architecture and runbooks while partnering with Network Engineering and Security Operations.

The Principal Hardware Engineer will lead the design of hardware systems for a satellite communications platform, focusing on power distribution, signal integrity, and PCB design, while ensuring high-reliability and fault tolerance in space environments.

Develop and commercialize firmware for neural network processing on ARM-based processors. Design embedded software for real-time processing, manage buffer interrupts, and optimize compilers.

Design, implement, and operate internal and edge networking infrastructure at global scale across multi-cloud regions. Build services, tools, and automation to expose network functionality, improve routing, failover, and scaling. Lead cross-team initiatives including code and design reviews, ensure operational robustness and security hygiene, and participate in on-call rotation.