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Systems Engineer Network Engineer

Senior Design Specialist to architect and validate core networking solutions using Cisco NSO, MPLS, SDN, and network

Job in Toronto, Ontario, M5A, Canada
Listing for: S.i. Systems
Contract position
Listed on 2026-10-09
Job specializations:
  • IT/Tech
    Systems Engineer, Network Engineer
Job Description & How to Apply Below

Our telecommunications client is seeking a Senior Design Specialist (10+ years) to architect and validate core networking solutions using Cisco NSO, MPLS, SDN, and network automation

Join a team delivering advanced network automation and orchestration initiatives within a large-scale telecommunications environment. This role focuses on designing and validating next-generation MPLS and cloud networking solutions while developing automation capabilities using Cisco NSO, Python, and service orchestration frameworks. The position supports large-scale Software-Defined WAN and Business Services infrastructure initiatives with a focus on reliability, scalability, and network virtualization.

Must Haves

  • 10+ years working with IP networks in a service provider environment
  • Expert-level expertise with BGP
    , OSPF
    , MPLS, ISIS, and IP/MPLS L3

    VPN services
  • Hands-on experience with Cisco NSO
    , Python
    , and network automation principles
  • Extensive background designing and implementing large-scale network solutions and network transformation initiatives
  • Bachelor Degree or Master of Engineering/Science in Network Engineering, Computer Science or Electrical Engineering

    • Nice to Have

  • CCIE or JNCIE certification
  • Experience with Open Stack and VMware cloud orchestration solutions
  • Working knowledge of Data Center automation, cloud technologies, and vNF management
  • Experience with Ixia or Spirent testing platforms
  • Knowledge of IPSec, PKI Architecture, and AAA security solutions

    • Responsibilities

  • Design and validate complex network architectures for automated solutions
  • Develop and maintain Network Element Drivers (NEDs) for network platforms
  • Implement routing and switching solutions using MPLS, BGP, and OSPF
  • Create technical specifications for automation initiatives
  • Architect end-to-end network solutions for business services infrastructure
  • Develop solutions supporting high-availability and geo-redundancy requirements
  • Support systems engineering, requirements, and user story development for operational automation capabilities
    • Position Requirements
    10+ Years work experience
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