Network Engineer (LAN)

Centrilogic; Greater Toronto Area; On-site; CAD 60,000 - 80,000; Full time

Job summary

An established industry player is seeking a skilled Network Engineer to join their dynamic team in the Greater Toronto Area. This role involves ensuring 24x7 service availability while supporting customers and internal users. You'll be responsible for managing LAN, WLAN, and firewall infrastructures, focusing on Aruba technologies and security best practices. The ideal candidate will have extensive experience in network engineering, a strong understanding of routing protocols, and a commitment to delivering high-quality service. Join a forward-thinking company that values innovation and teamwork, and make a significant impact in the IT services sector.

Qualifications

• 7+ years in network engineering for medium to large networks.
• Expertise in Aruba switching and wireless infrastructures.
• Solid background in firewall security and routing protocols.

Responsibilities

• Design and troubleshoot Aruba LAN and wireless environments.
• Manage firewall infrastructure and ensure security best practices.
• Participate in 24x7 on-call rotation for technical support.

Skills

Aruba Switching

Network Security

Routing Protocols (BGP, OSPF)

Packet Troubleshooting (Wireshark)

ClearPass Management

Firewall Management (Fortinet, Palo Alto)

Independent Work

Team Collaboration

Excellent Communication

Education

University degree in Networking

College diploma in Computer Science

Tools

Wireshark

Aruba Central

Cisco IOS

Juniper Junos

FortiGate

Palo Alto Firewalls

Job description

Direct message the job poster from Centrilogic

Talent Acquisition Manager - HR at Centrilogic

Network Engineer (LAN, Security & Wireless Infrastructure)

Purpose

The Network Engineer (NE) is a key member of Centrilogic’s international technology team, responsible for supporting both customers and internal users. The goal is to ensure 24x7 service availability by proactively preventing issues related to hardware, connectivity, or security vulnerabilities.

The NE supports, secures, troubleshoots, and optimizes LAN, WLAN, NAC, routing, switching, and firewall infrastructures across client and internal environments. Focus areas include Aruba LAN switching, Aruba wireless access points, Aruba Central cloud management, and ClearPass Policy Manager. The role also involves managing firewall security (Fortinet, Palo Alto, Cisco) and routing/switching infrastructure (Cisco, Juniper).

The NE handles escalated tickets, deployment projects, system upgrades, network design, documentation, and process improvements. Participation in a 24x7 on-call rotation for technical support is required.

This position reports to the Manager, Network Service Delivery, and supports Centrilogic’s Greater Toronto Area (GTA) locations as needed.

Duties and Responsibilities

1. Design, deploy, configure, and troubleshoot Aruba LAN switching and wireless environments, including Aruba Central cloud onboarding and management.
2. Administer and optimize ClearPass for network access control (RADIUS, TACACS+, profiling, guest onboarding).
3. Install, configure, and manage firewall infrastructure (FortiGate, Palo Alto NGFWs, Cisco ASA/Firepower).
4. Support and configure routing and switching environments using Cisco (IOS/IOS-XR/IOS-XE) and Juniper (Junos).
5. Perform proactive network monitoring, capacity planning, firmware management, and fault investigation.
6. Implement security best practices across switching, wireless, and perimeter firewall infrastructure.
7. Plan and coordinate network changes with customers, ensuring minimal disruption and compliance with Change Management procedures.
8. Provide detailed network documentation, diagrams, SOPs, and knowledge base articles.
9. Participate in the 24x7 on-call rotation supporting critical incidents, upgrades, and deployments.
10. Work outside regular hours as needed for critical incidents, upgrades, and maintenance.
11. Stay current with evolving technologies and recommend improvements for managed network services.

Required Experience and Skills

• University degree or College diploma in Networking, Telecommunications, Computer Science, or related field.
• 7+ years of hands-on experience in technical support or network engineering for medium to large networks.
• Expertise in Aruba switching, wireless infrastructures (CX/OS, Instant APs), and ClearPass.
• Experience with Aruba Central for cloud management.
• Solid background in firewall security (FortiGate, Palo Alto, Cisco).
• Knowledge of routing and switching protocols (BGP, OSPF, STP, VLANs, VRRP, HSRP).
• Experience with Cisco (IOS, IOS-XE, IOS-XR) and Juniper (Junos) platforms.
• Strong packet troubleshooting skills, using Wireshark or similar tools.
• Familiarity with ITSM/ITIL is an asset.
• Ability to work independently and in teams in a dynamic environment.
• Excellent communication skills.
• Willingness to participate in after-hours on-call rotations.

Preferred Certifications

• Aruba Certified Switching Associate (ACSA)
• Aruba Certified Switching Professional (ACSP)
• Aruba Certified Mobility Associate (ACMA)
• Aruba Certified ClearPass Associate (ACCA) or Professional (ACCP)

Additional Certifications in Security & Routing

• Fortinet NSE 4/5
• Palo Alto PCNSA or PCNSE
• Cisco CCNA/CCNP
• Juniper JNCIA/JNCIS

Seniority level

• Mid-Senior level

Employment type

• Full-time

Job function

• Information Technology

Industries

• IT Services and IT Consulting

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