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Added 17 hours ago
TA
Senior Software Engineer
Treasure AI
Vancouver, BC
- $132,500 to $171,000 CAD / year
- Full-time
As a Senior Software Engineer on the Realtime/Personalization team, you will be a core technical contributor building Treasure AI's AI-native Personalization Studio and RT2.0 engine.…
Added 1 day ago
AS
Senior Software Development Engineer in Test (SDET) – Digital Banking
Aequilibrium Software Inc.
Remote, Canada
- $100,000 to $120,000 CAD / year
- Full-time
- Remote
Senior QA Automation Engineer / SDET (Canada-only)
Added 1 day ago
AA
Architecte PLM Senior / Senior PLM Architect
Airbus Aircraft
Montreal, QC
- Full-time
Le programme d'avions commerciaux A220 recherche d’un.e Architecte PLM Senior pour rejoindre notre équipe de Stratégie Transverse Ingénierie basée à Mirabel (Québec, Canada), où vous…
Added 2 days ago
A
Senior Software Engineer, Behavior Planning
AeroVect
Remote, Canada
- $160,000 to $200,000 CAD / year
- Full-time
- Remote
We are looking for an experienced Senior Software Engineer who can design and build best-in-class behavior planning systems for autonomous driving in structured, low-speed environments.
Added 2 days ago
Senior OT Control Systems - Engineering Specialist
Mariner
Saint John, NB
We are seeking a Senior OT Control Systems Engineer to join a critical industrial operations environment in Saint John, New Brunswick. In this role, you will be responsible for the design,…
Added 2 days ago
L
Oracle Fusion Financial Engineer - Subscriptions, Billing & Revenue
Lime
Remote, Canada
- $102,000 to $143,000 CAD / year
- Full-time
- Remote
We are seeking a strong techno-functional Oracle Fusion engineer to support and enhance Lime’s OTC and revenue platforms. This person will independently deliver scoped configuration,…
Added 2 days ago
L
Senior Software Engineer – AI Agents
lululemon
Vancouver, BC
- Full-time
As a Senior Software Engineer – AI Agents, you will lead the design and implementation of complex software systems and features spanning multiple services and components, establishing…
Added 2 days ago
OG
Intermediate Software Engineer - Onni Capital
Onni Group of Companies
Vancouver, BC
- Full-time
There is an exciting opportunity for an Intermediate Software Engineer to join Onni Capital in Vancouver.
Added 2 days ago
W
Senior Salesforce Developer
Webflow
Remote, Canada
- Full-time
- Remote
We’re looking for a Senior Salesforce Developer to help Webflow scale our go-to-market systems with quality, scalability, and strong governance. You’ll design and build the Salesforce, CPQ,…
Added 2 days ago
MC
Technical Consultant III (35732)
Myticas Consulting
Toronto, ON
- Full-time
Technical Consultant III (Software Engineer, Senior/Lead)
Added 2 days ago
MC
Senior Cybersecurity Test Engineer (35651)
Myticas Consulting
Ottawa, ON
- Contract
We are seeking a Senior Cybersecurity Test Engineer to lead and execute security testing activities across applications, infrastructure, cloud environments, APIs, and system integrations.…
Added 2 days ago
MC
Senior QA Engineer III – Automation | Banking | API | Kafka | ETL (35729)
Myticas Consulting
Ottawa, ON
- Full-time
We are seeking a Senior QA Engineer III with strong hands-on test automation and banking/financial services experience to support complex enterprise applications and integration…
Added 2 days ago
MC
Data Analyst – Power BI Microsoft Fabric (35903)
Myticas Consulting
Ottawa, ON
- Full-time
Reporting to a senior technology leader and working closely with a Data Architect, you will design and maintain dashboards, reports, data models and analytical solutions using Microsoft…
Added 2 days ago
RI
Senior Full Stack Java Developer - Capital Markets
Rose International
Mississauga, ON
- Full-time
Seeking a Senior Forward Deployed Engineer with deep Java and Python expertise to work directly with Fintech clients in the Spread Products space. This is a hybrid engineering and…
Added 2 days ago
S
Product Manager - SOTI MobiControl
SOTI
Mississauga, ON
- $110,000 to $130,000 CAD / year
- Full-time
…most importantly, be part of a winning team. As the successful Senior Product Manager, you will be responsible for taking ownership of the product line life cycle from strategic planning to…
Added 2 days ago
M
Senior Software Engineer (Hybrid / Montreal)
Motion
Montreal, QC
- Full-time
…your team already works (Slack, Notion, Google Drive, your ad data) and turns a marketer's knowledge and instincts into cross-channel playbooks, automated workflows, and a system that gets…
Added 2 days ago
H
Cloud Architect
Hays
Toronto, ON
- Contract
…Generative AI, RAG, Agentic AI, Azure AI Search, and enterprise data…
Added 2 days ago
Senior Software Engineer, Agentic AI Products
Leo Berwick
Toronto, ON
We are hiring a Toronto-based Senior Software Engineer to join our founding in-house engineering team and build products from the ground up. This is a hands-on, individual contributor role…
Added 2 days ago
UC
Databricks Data Platform Engineer
Univedge Consulting LLC
Canada
- Contract
As a Senior Databricks Data Platform Engineer, you will own the engineering, automation, and day-to-day health of our enterprise Databricks Lakehouse platform. This is a platform-first…
Added 2 days ago
S
Senior Quality Assurance Engineer
StafinGo
Toronto, ON
- $60 to $75 CAD / hour
- Contract
StafinGo Is Hiring | Senior Quality Assurance Specialist – SQL & ETL Testing-Hybrid in Ontario
Added 2 days ago
C
Application Development Engineer (Java) - AVP
Citi
Mississauga, ON
- Full-time
The Applications Development Senior Programmer Analyst is an intermediate level position responsible for participation in the establishment and implementation of new or revised application…
Added 2 days ago
A
Architecte PLM Senior / Senior PLM Architect
Airbus
Mirabel, QC · Montreal, QC
- Full-time
Le programme d'avions commerciaux A220 recherche d’un.e Architecte PLM Senior pour rejoindre notre équipe de Stratégie Transverse Ingénierie basée à Mirabel (Québec, Canada), où vous…
Added 2 days ago
S
Product Manager - SOTI MobiControl
SOTI
Mississauga, ON
- $110,000 to $130,000 CAD / year
- Full-time
…most importantly, be part of a winning team. As the successful Senior Product Manager, you will be responsible for taking ownership of the product line life cycle from strategic planning to…
Added 2 days ago
S
Utilities Engineer – Interface Management (Senior)
SYSTRA
Toronto, ON
- Full-time
Oversee collection, validation, and integration of utility data (SUE QL-D to QL-A, GIS, legacy records)
Added 2 days ago
P
Graphics Specialist – Building Automation / EBO (GSBA004)
Potenco
Toronto, ON · Greater Toronto Area, Canada
- Full-time
Work closely with the Solution Architect / Lead EBO Engineer, Senior Systems Integrators, BAS Specialists, Controls Specialists, commissioning personnel, and project teams.

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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