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Added 1 day ago
LD
Intermediate Software Engineer
Leonardo DRS
Ottawa, ON · Kanata, ON
- Full-time
Reporting directly to the Manager, Software Engineering the lntermediate Software Engineer will be required to operate in both team and solo activities. Key activities will involve…
Added 1 day ago
CE
Staff Discipline Facilities Engineer (ICE)
Cenovus Energy
Calgary, AB
- Full-time
Reporting to the Senior Manager, Discipline Facilities Engineering, the Staff Discipline Facilities Engineer (ICE) provides specialized instrumentation, controls and electrical engineering…
Added 1 day ago
J
Onboarding Engineer
Jobgether
Canada
- Full-time
This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for an Onboarding Engineer based in Canada.
Added 1 day ago
Machine Learning Engineer, Associate Director
Fitch Group
Toronto, ON
Machine Learning Engineer, Associate Director – AI Innovation Teams
Added 1 day ago
GD
Software Engineer
General Dynamics Missions System International
Ottawa, ON
- $85,000 to $110,000 CAD / year
- Full-time
The LC4ISR ISTAR team is seeking a working level Software Engineer to support delivery of critical capabilities for the Canadian Army. You will be working with a multidisciplinary…
Added 1 day ago
P
Principal Software Engineer
Photon-IV
Canada
- Full-time
Principal Software Engineer, Satellite Systems
Added 1 day ago
Senior Software Engineer, International
Robinhood
Toronto, ON
As a Senior Full Stack Software Engineer, you will be a core technical driver for Robinhood’s global expansion initiatives. You will bridge high-performance frontend interfaces with…
Added 1 day ago
O
ASIC Engineer
O-HIVE.AI
Windsor, ON
- Full-time
The engineer will contribute to the complete ASIC development lifecycle, including architecture definition, RTL design, IP integration, verification, synthesis, timing closure, power…
Added 1 day ago
VR
Senior Specialist, Host Railway Management
VIA Rail Canada
Montreal, QC
- Full-time
…related to the host railways. Reporting to the Director, Project Integration Specialist, this individual will play a central strategic and operational role in advancing the project. They…
Added 1 day ago
ES
BI Platform Operations Engineer
EPAM Systems
Toronto, ON
- Full-time
We are looking for a hands-on BI Platform Operations Engineer to provide production operational support, administration, maintenance, and technical troubleshooting for our enterprise…
Added 1 day ago
SI
IT Architect, Infrastructure – IT/OT Integration
Saputo Inc.
Mississauga, ON
- Full-time
Saputo is seeking a IT Architect, Infrastructure – IT/OT Integration who is hands-on technical leader responsible for the design, implementation, and optimisation of enterprise network,…
Added 1 day ago
R
Electrical Engineer
Raise
Fort McMurray, AB
- Full-time
Raise is currently hiring an Electrical Engineer on behalf of our client. They’re expanding their team to meet growing needs, making this a unique opportunity to work with an industry…
Added 1 day ago
CE
Architecte Matériel Senior
CMC Electronics
Montreal, QC
- Full-time
CMC Electronics has an international reputation for innovation in cockpit systems integration, avionics, and display solutions for civil and military aviation. Founded in 1903 as Canadian…
Added 1 day ago
A
Ingenieur Automatisation / Automation Engineer
Actalent
Laval, QC
- $45 to $70 CAD / hour
- Contract
The electrical engineer in automation plays a key role in the design, programming, and optimization of complex automated systems. The person in this role manages all automation tasks,…
Added 1 day ago
J
Electrical Commissioning Engineer
Jule
Toronto, ON
- Full-time
The Electrical Commissioning Engineer plays a key role in commissioning, integrating, and maintaining advanced Energy Storage (BESS) and Electric Vehicle Fast Charging (EVFC) systems across…
Added 1 day ago
A
Software Development Engineer In Test
Actalent
Ottawa, ON
- $45 to $65 CAD / hour
- Contract
Job Title: Software Development Engineer in Test (Python)
Added 1 day ago
V
HPC (High-Performance Computing) Consultant
VySystems
Canada
- Full-time
…Depending on experience, candidates may be considered for Platform Engineer, Kubernetes Engineer, HPC Engineer, Cloud Infrastructure Engineer, DevOps Engineer, AI Infrastructure Engineer,…
Added 1 day ago
ED
Senior Network Delivery Engineer - EN 235
Export Development Canada | Exportation et développement Canada
Ottawa, ON
- $96,557 to $128,743 CAD / year
- Full-time
Added 1 day ago
SE
Senior AI Software Engineer
Stikeman Elliott LLP
Toronto, ON
- Full-time
Address complex integration requirements, including authentication, session persistence, certificate trust, pagination, rate limits, and idempotency.
Added 1 day ago
KB
AI Engineer
KidKare by MinuteMenu
Canada
- Full-time
…and products. To support these goals, we're looking for an AI Engineer to embed within one of our mature, deeply configurable platforms that has real functional and technical complexity…
Added 1 day ago
MI
Software Engineer
Mycionics Inc.
Kitchener, ON
- Full-time
We are seeking a highly collaborative C++ Software Engineer to build the high-level software architecture that glues our robotic systems together. While our firmware team handles the…
Added 1 day ago
SP
Software Engineering LMTS
Salesforce Partner Canada
Vancouver, BC
- Full-time
The software engineer role at Salesforce encompasses architecture, design, implementation, and testing to ensure we build products right and release them with high quality. Equally…
Added 1 day ago
AE
Lead Engineer MV/HV
AKA Energy Systems
Halifax, NS
- Full-time
Lead Electrical Engineer / Subject Matter ExpertMedium & High Voltage | Microgrids | Land-Based Power Systems
Added 1 day ago
GL
Vmware Engineer
Green Light Worldwide
Toronto, ON
- Contract
Deploy and maintain VMware Cloud Foundation (VCF) environments, ensuring integration with vSphere, NSX, and vSAN.
Added 1 day ago
AW
Mechanical Package Engineer
Agilus Work Solutions
Mississauga, ON
- Full-time
The Mechanical Package Engineer oversees the technical development, procurement, vendor management, and delivery of mechanical equipment packages for mining, metals, energy, and industrial…

Tata Consultancy Services

Senior L3 Network Engineer (Network SME and Automation Lead)

Toronto, ON, Canada

$100,000 to $120,000 CAD / year · Full-time

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Job details

Pay: $100,000 to $120,000 CAD / year
Job type: Full-time
Apply by: Nov 6, 2026
Posting language: English
Posted: Oct 7, 2026

Original job description

Inclusion without Exception

Tata Consultancy Services (TCS) is an equal opportunity employer, and embraces diversity in race, nationality, ethnicity, gender, age, physical ability, neurodiversity, and sexual orientation, to create a workforce that reflects the societies we operate in. Our continued commitment to Culture and Diversity is reflected in our people stories across our workforce and implemented through equitable workplace policies and processes.

TCS has been serving the Canadian marketplace for more than 35 years and today is the technology partner of choice for many of the country's leading organizations. As one of the largest IT services providers in Canada and globally, TCS is aiming to become the world's largest AI-led technology services company and is enabling its clients to transform themselves across the full AI stack, from infrastructure to intelligence.

Rooted in the heritage and values of the Tata Group, TCS is focused on creating long-term value for its clients, investors, employees, and the communities it serves. With a highly skilled workforce supporting customers from coast to coast, TCS has consistently been recognized as a Top Employer by the Top Employers Institute, including a recent top ranking at the country level.

TCS also sponsors 14 of the world's most prestigious marathons and endurance events, including the TCS Toronto Waterfront Marathon, reflecting its commitment to health, sustainability, and community empowerment.

Senior L3 Network Engineer (Network SME and Automation Lead)

Role Overview

The Senior L3 Network Engineer is the technical lead for the Switch Lifecycle Refresh Program, with responsibility for engineering design, migration planning, technical governance, advanced troubleshooting, automation development, and escalation management. This role independently leads complex refresh activities, owns annual automation initiatives, and drives continuous improvements in operational efficiency through scripting and process innovation.

Core Responsibilities

Network Refresh Engineering

Assess switch refresh candidates and confirm hardware lifecycle requirements.
Conduct technical discovery and deployment-readiness assessments.
Develop deployment strategies, methods of procedure (MOPs), and rollback plans.
Validate hardware, software, and feature compatibility.
Lead migration planning, implementation, and validation activities.
Review and improve engineering standards, templates, and implementation practices.

Advanced Troubleshooting and Escalation

Diagnose and resolve complex Layer 2 and Layer 3 network issues.
Perform root-cause analyses and assess service and business impacts.
Provide senior-level support during critical outages and maintenance windows.
Analyze packet captures, device logs, alarms, and telemetry.
Investigate routing, switching, convergence, and performance anomalies.

Automation and Innovation

Design, develop, test, and implement network automation solutions.
Automate configuration generation, validation, and deployment activities.
Develop reusable pre- and post-cutover validation scripts.
Implement configuration-compliance auditing and drift detection.
Build dashboards for deployment tracking, lifecycle status, and operational reporting.
Identify and deliver at least one measurable productivity or efficiency improvement each year.

Technical Leadership and Governance

Mentor L2 engineers and support their technical development.
Review change requests, implementation plans, MOPs, and rollback procedures.
Lead technical governance, design assurance, and readiness reviews.
Contribute to architecture, standards, and solution-design discussions.

Required Skills

Cisco Technologies

Cisco Catalyst 9200, 9300, 9400, 9500, and 9600 platforms
Cisco IOS XE
Cisco DNA Center

Arista Technologies

Arista EOS
Arista campus and data centre switching solutions

Routing and Switching

Routing protocols: BGP, OSPF, and EIGRP
High availability: HSRP and VRRP
Layer 2 technologies: VLANs, STP, MST, and EtherChannel
Network access and traffic management: 802.1X and QoS

Network Services

Core services: DHCP, DNS, and NTP
Authentication and access control: TACACS+ and RADIUS
Monitoring and logging: SNMP and Syslog

Automation

Programming and scripting: Python
Automation frameworks and libraries: Ansible, Nornir, and Netmiko
Version control and integration: Git and REST APIs

Tools

SolarWinds
ServiceNow
Wireshark
Cisco DNA Center

Salary Range - CA$ 100,000 - CA$ 120,000 Per Year

Tata Consultancy Services Canada Inc. is committed to meeting the accessibility needs of all individuals in accordance with the Accessibility for Ontarians with Disabilities Act (AODA) and the Ontario Human Rights Code (OHRC). Should you require accommodation during the recruitment and selection process, please inform Human Resources.

Thank you for your interest in TCS. Candidates that meet the qualifications for this position will be contacted within a 2-week period. We invite you to continue to apply for other opportunities that match your profile.

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More about this job

Responsibilities

Lead switch lifecycle refresh engineering, including technical discovery, design, migration planning, implementation, validation, and governance. Resolve complex network issues, develop automation and operational improvements, and mentor engineers while overseeing technical readiness and change quality.

Requirements

The role requires senior-level expertise with Cisco Catalyst and Arista switching platforms, IOS XE, routing and switching protocols, network services, and advanced troubleshooting. It also calls for Python-based automation using tools such as Ansible, Nornir, and Netmiko, along with technical leadership and experience guiding complex refresh activities.

Skills

Cisco Catalyst
Cisco IOS XE
Cisco DNA Center
Arista EOS
BGP
OSPF
EIGRP
HSRP
VRRP
VLANs
Spanning Tree Protocol
802.1X
Quality Of Service
Python
Ansible
Nornir

Visa sponsorship

Not detected in the job text

Keywords

Cisco Catalyst 9200
Cisco Catalyst 9300
Cisco Catalyst 9400
Cisco Catalyst 9500
Cisco Catalyst 9600
Cisco IOS XE
Cisco DNA Center
Arista EOS
BGP
OSPF
EIGRP
HSRP
VRRP
VLANs
STP
MST
EtherChannel
802.1X
QoS
DHCP
DNS
NTP
TACACS+
RADIUS
SNMP
Syslog
Python
Ansible
Nornir
Netmiko

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