Senior Data Center Network Engineer
Experience: 5–7+ years
Industry: Financial Services / Enterprise / Technology
Location: Montreal Canada
Work Model: [Add Onsite/Hybrid]
Role Overview
We are looking for a Senior Data Center Network Engineer with strong hands-on experience designing, implementing, and troubleshooting large-scale enterprise data center networks. The candidate will work closely with Enterprise Computing, Security, and Infrastructure teams to deliver secure, scalable, and highly available network solutions.
Must-Have Skills
- 5–7+ years of experience in enterprise/data center network engineering
- Strong hands-on experience with Cisco Nexus 9000 data center switching
- Strong expertise in Layer 2/Layer 3 networking and routing
- BGP, OSPF, MP-BGP, TCP/IP
- VXLAN and Leaf-Spine architecture
- VPC, STP, 802.1Q, Multilayer Switching
- Multicast: PIM, IGMP, MSDP
- Strong experience with Cisco NX-OS
- Experience with Cisco IOS / IOS-XE / IOS-XR
- Strong understanding of network security concepts and multi-tier security architectures
- Ability to design network topologies, create HLD/LLD, Visio diagrams, BoMs, configuration templates, and migration plans
- Strong troubleshooting and production support experience
- Excellent communication and presentation skills
Preferred / Plus Skills
- Arista switching / EOS
- Network automation using Python / Ansible
- NETCONF
- Cisco DNA Center
- Infoblox, Wireshark, Splunk, SevOne
- SDN / SD-WAN / DMVPN
- Public Cloud networking
- Kubernetes / VMware / Storage over IP
- MPLS / SONET / SDH
- CCIE or equivalent
Key Responsibilities
- Design, engineer, implement, and troubleshoot enterprise-scale data center networks
- Develop network architectures, topologies, BoMs, HLD/LLDs, and implementation/migration plans
- Collaborate with Computing, Security, Application, and Project teams on end-to-end solutions
- Maintain network diagrams, standards, and configuration templates
- Participate in design reviews and provide technical recommendations
- Serve as a senior escalation point for complex network issues and outages
- Mentor team members and provide knowledge transfer
- Support planned weekend/after-hours network changes when required
