Network SME

ALLTECH CONSULTING SVC INC; Quebec; On-site; CAD 90,000 - 130,000; Full time

Job summary

An opportunity to join ALLTECH CONSULTING SVC INC as a Network Subject Matter Expert (SME) in Montreal, where you will design and secure large-scale network infrastructures. The ideal candidate is an expert with 10+ years in networking, particularly in high-security environments and complex technology stacks, using automation tools. Strong communication skills and a team-oriented mentality are essential, alongside the ability to work independently on large projects. You will work closely with business and technical teams to implement network designs that enhance operational security.

Qualifications

• 10+ years of networking experience, ideally in financial services or technology.
• Strong scripting and automation skills.
• Excellent communication and presentation skills.
• Comfortable working independently and on large scale projects.

Responsibilities

• Design, implement, and maintain large, secure network infrastructures.
• Lead efforts to separate and secure networks.
• Develop comprehensive network implementation plans.
• Build automation for repetitive tasks using tools like Python and Ansible.
• Perform scheduled network changes during weekends.

Skills

Ethernet technologies

IP routing protocols

Network security concepts

Wireshark

Automation with Python

Tools

Cisco ASR

Nexus Switches

JIRA

Job description

Job Description:

Are you passionate about building and securing large-scale networks. Join our team as a Network Subject Matter Expert (SME) in Montreal! We are looking for a highly experienced professional with a deep understanding of modern networking, especially in complex, high-security environments.

What You’ll Do:
– Design, implement, and maintain large, secure network infrastructures for both production and non-production environments.
– Lead efforts to separate and secure networks, helping ensure robust security and smooth business operations.
– Work closely with business and technical teams—to explain/socialize risks with larger teams and implement the network designs, .
– Develop and execute comprehensive network implementation plans, with security and stability in mind.
– Build automation for repetitive network tasks using tools like Python and Ansible.
– Perform scheduled network changes and migrations during weekends and outside normal business hours as required.

What We’re Looking For:
– 10+ years of networking experience — ideally in financial services, technology vendors, or systems integrators.
– Expertise with Ethernet technologies (STP, 802.1x, VPC, Multilayer Switching, Leaf-Spine IP Fabric).
– Deep knowledge of IP routing protocols (RIP, OSPF, BGP, MPBGP, TCP/IP) and multicast (PIM, IGMP, MSDP).
– Hands-on experience with Cisco ASR, Nexus, Catalyst and Arista switches, and network operating systems (Cisco IOS, IOS-XE, NXOS, IOS-XR, Arista EOS).
– Strong background in network security concepts, multi-tier security architectures, and best practices for segmenting production and non-production networks.
– Experience with network tools such as Wireshark, Infoblox, HPNA, Splunk, Sevone.
– Familiarity with project/task management tools like JIRA, especially Agile/Kanban methods.
– Strong scripting/automation skills is a must. Able to independently develop solutions for repetitive network tasks.
– Willing to work weekends.

Nice to Have:
– UNIX or Linux skills.
– CCIE or similar certifications.
– Knowledge of Wireless infra, SDN, SDWAN, DMVPN, public cloud is a plus.
– Strong grasp of security concepts (defense in depth, zero trust, least privilege, risk controls).
– Experience working on enterprise-level initiatives with senior stakeholders across multiple regions and cultures.
– Experience with Optical equipment like Adva/Ciena is a plus
– Experience with timing infra like the spectracom/meinberg is a plus.

Who You Are:
– A clear communicator with excellent presentation skills.
– A team player who can also work independently on large scale projects.
– Flexible, reliable, and dedicated to delivering results.
– Someone who takes ownership and accountability for your work.