Network & Data Center Engineer - Cisco ACI / Nexus // Montreal, QC (Onsite) - FTE

Role: Network & Data Center Engineer – Cisco ACI / Nexus

Location: Montreal, QC

Work Mode: Onsite

Job Summary

We are looking for an experienced Network & Data Center Engineer with strong expertise in Cisco ACI, Nexus switching, enterprise routing, and SD-WAN technologies. The ideal candidate will be responsible for providing L3 network support, managing complex network incidents, designing and implementing network solutions, and driving network optimization and transformation initiatives.

The candidate should have hands-on experience with Cisco and Aruba networking technologies, Aruba Silver Peak SD-WAN, and a good understanding of Zscaler solutions, including ZIA and ZPA.

Key Responsibilities

• Provide L3 network support for enterprise LAN/WAN, data center, and SD-WAN environments.
• Manage network Incident, Change, Service Request, and Problem Management activities.
• Support and troubleshoot Aruba Silver Peak SD-WAN environments.
• Configure, manage, and troubleshoot network policies using Aruba Orchestrator.
• Design, implement, and maintain enterprise network and data center solutions based on business requirements.
• Work with Cisco networking technologies, including Cisco ACI and Nexus switches.
• Perform routing and switching configuration, troubleshooting, and optimization.
• Lead network transformation, modernization, and service improvement initiatives.
• Develop and maintain High-Level Designs (HLD), Low-Level Designs (LLD), test plans, implementation plans, and technical reports.
• Participate in network service improvement discussions and coordinate with vendors and ISPs.
• Collaborate with infrastructure, security, and application teams to ensure network reliability, availability, and performance.

Required Technical Skills

• Strong hands-on experience with Cisco ACI and Nexus switching.
• Good knowledge of Cisco and Aruba networking technologies.
• Hands-on experience with Aruba Silver Peak SD-WAN and Aruba Orchestrator.
• Strong understanding of routing protocols:
• OSPF
• BGP
• MPLS
• QoS
• Strong knowledge of Layer 2 and Layer 3 switching.
• Solid understanding of enterprise LAN/WAN architectures, network design, and troubleshooting.
• Working knowledge of Zscaler technologies – ZIA (Zscaler Internet Access) and ZPA (Zscaler Private Access).
• Experience with network policy configuration, optimization, and transformation.
• Ability to create and review HLDs, LLDs, and network implementation documentation.

Preferred Skills

• Experience working in large-scale enterprise or data center network environments.
• Exposure to network security and cloud-based networking solutions.
• Experience coordinating with external vendors, service providers, and ISPs.
• Strong knowledge of ITIL-based Incident, Change, Request, and Problem Management processes.

Ideal Candidate Profile

A senior-level Network Engineer / Data Center Engineer with strong Cisco ACI and Nexus expertise, solid routing and switching fundamentals, and hands-on Aruba Silver Peak SD-WAN experience. The candidate should be capable of independently handling L3 escalations, network design, troubleshooting, and infrastructure transformation initiatives.