Network Engineer

6 days ago

Montreal, Canada Compunnel, Inc. Full time

We are seeking an experienced Network Engineer with deep expertise in designing, implementing, and maintaining large-scale, enterprise-grade network infrastructures. The ideal candidate has 15+ years of experience, preferably in financial services, technology vendors, or system integration environments. This role focuses on building secure, efficient networks with an emphasis on segmentation between production and non-production environments. The position demands strong technical leadership, risk management, and the ability to drive decisions and design discussions with senior stakeholders.

Key Responsibilities

- Design, implement, and maintain large-scale, highly available enterprise network architectures.
- Ensure clear segregation between production and non-production environments in line with security standards.
- Lead network architecture reviews and security segmentation efforts.
- Administer network hardware, routing, and virtualization across multiple environments.
- Develop detailed network implementation and migration plans.
- Collaborate cross-functionally and engage in Agile/Kanban project environments (JIRA usage required).
- Occasionally support weekend implementations (one Saturday per month).

Required Qualifications

- 15+ years of experience in network engineering with a focus on enterprise architecture.
- Expert knowledge in Ethernet technologies (STP, 802.1x, VPC, multilayer switching, Leaf-Spine IP fabric).
- Advanced understanding of IP Routing (RIP, OSPF, BGP, MP-BGP, TCP/IP) and Multicast routing (PIM, IGMP, MSDP).
- Strong expertise in VxLAN and segmentation of production/non-production networks.
- Hands-on experience with Cisco Nexus 9000 Series and Arista Switching platforms.
- Network segmentation, isolation, and security best practices.
- Familiarity with project/task tracking tools (JIRA).
- Excellent verbal and written communication skills with the ability to present to senior leadership.

Preferred Qualifications

- Familiarity with scripting and automation (Python, Ansible).
- Certifications such as CCIE, CISSP, or equivalent highly desirable.
- Working knowledge of UNIX/Linux systems.
- Experience with SDN, SD-WAN, DMVPN, and zero-trust architectures.
- Exposure to public cloud platforms, Kubernetes, storage over IP, and VMWare.
- Use of tools such as Wireshark, Infoblox, HPNA, Splunk, SevOne.
- Understanding of security frameworks including defense-in-depth and least privilege principles.
- Experience leading global, enterprise-level initiatives with cross-cultural teams.

Certifications (if any)

- Preferred: CISSP, additional security/network certifications

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