network infrastructure engineer

AppTad Technologies Pvt Ltd; Toronto; Hybrid; CAD 100,000 - 125,000; Full time

Job summary

A leading technology company in Toronto is seeking a Senior Network Engineer to lead the network engineering of their enterprise infrastructure. The role involves diagnosing complex network issues, managing security protocols, and implementing SD-WAN solutions. Candidates should have 5-8 years of network experience, a CCNP certification, and proficiency in routing protocols. This position offers a hybrid work environment with benefits including dental care and life insurance.

Benefits

Dental care

Life insurance

Paid time off

Qualifications

• Minimum 5-8 years network engineering experience.
• Experience with Cloud platforms preferred.
• Hands-on knowledge of SD-WAN and firewall cloud services preferred.

Responsibilities

• Diagnose and resolve complex network issues.
• Configure and troubleshoot Cisco equipment.
• Implement and maintain SD-WAN and firewalls.

Skills

CCNP certification

Proficiency in routing protocols (EIGRP, OSPF, BGP)

LAN switching technologies

Strong troubleshooting skills

Excellent documentation skills

Education

BA or BS degree

Tools

Cisco equipment (ASA/ISE, WLC, Catalyst/Nexus)

SD-WAN (Silver Peak)

Cloud platforms (AWS, GCP, Azure)

Job description

Title

Senior Network Engineer

Location

Toronto, ON, Canada (hybrid – 3 days in office)

Employment Type

Full‑time, Long Term

Pay

$52.00 - $55.00 per hour

Job Summary

Lead network engineering of enterprise infrastructure, ensuring reliability, performance, and security across the organization’s core and edge network.

Responsibilities

• Diagnose and resolve complex network issues—including routing loops, asymmetric routing, STP, and QoS—to minimize downtime.
• Configure and troubleshoot Cisco and other vendor equipment (ASA/ISE, WLC, Catalyst/Nexus, IOS/NX‑OS).
• Implement and maintain SD‑WAN (Silver Peak) and next‑generation firewalls (Cisco Firepower, anycast).
• Manage security protocols (IPSec SSL VPN, 802.1X, TACACS+, RADIUS).
• Assist with project‑related operational changes, coordinating with project teams and offshore stakeholders.
• Analyze performance data from network tools, recommend capacity‑planning and optimization actions.
• Maintain documentation related to network topology, configurations, and incident resolutions.

Qualifications

• Minimum 5‑8 years network engineering experience; CCNP certification required.
• Proficiency in routing protocols (EIGRP, OSPF, BGP) and LAN switching technologies (VLAN, VTP, STP, EtherChannel).
• Experience with Cloud platforms: AWS, GCP, Azure (preferred).
• Hands‑on knowledge of SD‑WAN (Silver Peak), firewall cloud services (Zscaler), and data‑center ACI (preferred).
• Strong troubleshooting skills and ability to communicate with customers and offshore teams.
• Excellent documentation, presentation, and team‑collaboration skills.
• Self‑starter, quick learner, resourceful.
• BA or BS degree.

Benefits

• Dental care
• Life insurance
• Paid time off

Employment Details

• Location: Toronto, ON
• Work location: On site (hybrid)
• Start date: As soon as possible
• Vacancies: 1