Network Infrastructure Specialist

2 weeks ago


Montreal, Quebec, Canada CN Full time
Job Summary

The role of Network Infrastructure Specialist is a highly technical position that requires in-depth subject matter expertise. The successful candidate will be responsible for ensuring the overall availability, stability, performance, and integrity of CN's network and telecom infrastructure. This involves constantly working towards improving the monitoring, security, and performance of the environment.

CN is looking for a self-starter who can rapidly analyze situations and decisively take justifiable actions. Some travel may be required.

Main Responsibilities
  • Lead and execute installations/upgrades, configuration, and maintenance of the networking infrastructure.
  • Review and approve change controls.
  • Quality review of infrastructure changes and implementations.
  • Lead 'Life cycle projects' initiatives (analyze, test, deploy).
  • Lead problem investigation and follow-up on resolution.
  • Perform preventive maintenance tasks.
  • Monitor and maintain system availability and performance.
  • Works with other team members to develop and implement process improvement.
  • Takes ownership in defining key performance indicators (KPIs) related to capacity and performance, service/network, and compliance.
  • Create and maintain operational documentation.
  • Advanced troubleshooting, vulnerability, and bug corrections with vendors.
  • Ensure compliance with all appropriate CN IT standards.
  • Train and coach team on new capabilities and upcoming technology trends.
  • Automate and optimize support tasks.
  • Provide 3rd Level support to pager roster (24/7) rotation basis.
Delivery
  • Work with project team to deliver required infrastructure/solutions.
  • Participate in the project transition and support strategies (T2C).
  • Act as a Telecom lead on a set of assigned strategies and projects.
  • Create and maintain operational documentation.
  • Contribute to technical proposals, specifications, requirements, and design documents.
  • Coordinate with internal and external stakeholders and vendors as necessary.

The Network Infrastructure Specialist will play the role of a technical subject matter expert (SME) within the team and collaborate with various architecture, infrastructure, security, and application teams to provide guidance related to network and telecom technologies.

Requirements
  • Bachelor's degree in Engineering or equivalent. Telecommunications specialization preferred.
  • 5+ years in IT with a minimum of 3+ years of demonstrated experience in providing hands-on technical expertise within large corporate environments.
  • Expertise in LAN/WAN technologies, IPAM.
  • Expertise in Datacenter technologies (Leaf and spine technology).
  • Knowledge and troubleshooting skills in EIGRP, IS-IS, BGP, MP-BGP, MPLS, redistribution between different routing protocols.
  • Knowledge of TCP/IP stack, IPv4, TCP, UDP, ICMP, ARP, GRE, IPSEC, ESP, NAT, DHCP, DNS, FHRPs, QoS, SNMP, Tacacs, Radius.
  • Knowledge of Cisco Wi-Fi networks, including Cisco Prime, WLCs, APs, ISE, and all related technologies.
  • Experience/knowledge in SD-WAN solutions.
  • Knowledge in cloud solutions (Google, Azure).
  • Experience and knowledge in operations and optimization of IP networks.
  • Good understanding of communications media (fibre, copper, wireless) and structured cabling best practices.
  • Excellent oral, written, and presentation skills.
  • Cisco CCNP/CCIE Certification or equivalent knowledge.
Assets
  • Scripting skills (network automation).
  • Knowledge of Firewall (Juniper and Palo Alto).
  • Experience with cellular solutions, including APN, CDMA, GSM, HSPA, UMTS, GPRS/EDGE, LTE, and others.
  • Experience with Nokia 7750, 7705, and 7210 platforms.
  • Experience in building business cases and providing estimates.


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