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Added 1 min ago
AI
AI Security Engineer
Avanciers Inc.
Toronto, ON
- $100,000 to $110,000 CAD / year
- Full-time
Avanciers is a premier IT Staffing/Consulting organization and we are currently recruiting for a contract role for one of our premier client in Canada for AI Security Engineer.
Added 32 mins ago
Senior Security Engineer
Vectra
ON
Good understanding of Cloud Security and Network Architectures. Certifications such as AWS Certified Security Specialty (SCS-C01) is a plus.
Added 47 mins ago
XI
Analytics Engineer, Network Intelligence
Xplore Inc.
Canada
- Full-time
You will own the semantic layer, curated Gold-tier analytical datasets across both on-prem and cloud data platforms, and Databricks AI/BI dashboards that surface real-time and historical…
Added 48 mins ago
RV
Radical Ventures: AI Product Engineer
Radical Ventures
Toronto, ON
- Full-time
We are seeking an AI Product Engineer with a passion for building AI-native applications,
Added 1 hour ago
A
Security Research Engineer – AI & Emerging Cybersecurity / Toronto, ON (Hybrid) FTE
AceStack
Toronto, ON
- Full-time
Role: Security Research Engineer – AI & Emerging Cybersecurity
Added 1 hour ago
R
Lead Data Engineer
RBC
Toronto, ON
- Full-time
Are you a hands-on data platform engineer who thrives on building cloud-native, high-scale data platforms and enabling teams on top of them? Come join us!
Added 1 hour ago
SL
Sr. Analytics and Automation Engineer
Sun Life
Toronto, ON · Waterloo, ON · Sun Life Toronto One York
- Full-time
…working on several automation code development primarily for network services, with initial focus on micro/macro segmentation. This person will also play a major role in integrating a few…
Added 1 hour ago
Senior Software Engineer, Foundational Infrastructure & Networking
Lyft
Toronto, ON
…investigations into cross-stack incidents spanning kernel parameters, cloud VPC network layers, DNS, and distributed microservice…
Added 2 hours ago
H
Senior Network Engineer
Hays
Toronto, ON
- Contract
We are seeking a skilled Senior Network Engineer to design, implement, and manage secure and scalable network infrastructure across on-premises and cloud environments. The ideal candidate…
Added 2 hours ago
P
Senior Cloud Network Engineer
Pinnacle
Toronto, ON
- Full-time
We are seeking a highly skilled Senior Cloud Network Engineer to design, implement, and manage our worldwide cloud and on-prem network infrastructure. This is a hands-on technical role that…
Added 2 hours ago
KG
Security Engineer / Cybersecurity Engineer / Network Security
K&K Global Talent Solutions INC.
Montreal, QC
- Full-time
Role: Security Engineer / Cybersecurity Engineer / Network Security
Added 2 hours ago
1
Infrastructure Architect
123Dentist
Toronto, ON
- $150,000 to $175,000 CAD / year
- Full-time
The Infrastructure Architect is the senior technical engineer for 123Dentist’s server, identity, cloud, and network infrastructure, combining deep hands-on design and engineering with…
Added 3 hours ago
XI
Senior Data Engineer, Network Intelligence
Xplore Inc.
Canada
- Full-time
As a Senior Data Engineer on the Network Intelligence team, you will own the end-to-end data pipeline function that powers Xplore's network analytics, observability, and AI capabilities…
Added 3 hours ago
A
Mechanical Engineer, Data Centers
AECOM
Thornhill, ON
- $90,000 to $145,000 CAD / year
- Full-time
AECOM is seeking a Mechanical Engineer to join our growing Canadian Data Center practice. This role will support the design and delivery of hyperscale, colocation, and other…
Added 8 hours ago
A
Principal Network Engineer
Aviso
Vancouver, BC
- $135,000 to $145,000 CAD / year
- Full-time
Reporting to the Director, Infrastructure Operations, the Principal Network Engineer is responsible for designing, implementing, and providing technical leadership for modern network…
Added 15 hours ago
T(
Customer Success Solutions Specialist
Teltoo (Acquired by Haivision)
Success, SK
- Full-time
The Customer Success Engineer (CSE) combines strong technical expertise with a customer-focused approach to deliver an outstanding post-sale experience, from onboarding through day-to-day…
Added 21 hours ago
W
AI Solution Architect
Workana
Remote, Canada
- Contract
- Remote
Active certifications such as Microsoft Certified: Azure Solutions Architect Expert, Azure AI Engineer Associate, or Google Cloud Professional Machine Learning Engineer.
Added 21 hours ago
W
AI Solution Architect
Workana
Remote, Canada
- Contract
- Remote
Active certifications such as Microsoft Certified: Azure Solutions Architect Expert, Azure AI Engineer Associate, or Google Cloud Professional Machine Learning Engineer.
Added 21 hours ago
W
AI Solution Architect
Workana
Remote, Canada
- Contract
- Remote
Active certifications such as Microsoft Certified: Azure Solutions Architect Expert, Azure AI Engineer Associate, or Google Cloud Professional Machine Learning Engineer.
Added 21 hours ago
W
AI Solution Architect
Workana
Remote, Canada
- Contract
- Remote
Active certifications such as Microsoft Certified: Azure Solutions Architect Expert, Azure AI Engineer Associate, or Google Cloud Professional Machine Learning Engineer.
Added 21 hours ago
W
AI Solution Architect
Workana
Remote, Canada
- Contract
- Remote
Active certifications such as Microsoft Certified: Azure Solutions Architect Expert, Azure AI Engineer Associate, or Google Cloud Professional Machine Learning Engineer.
Added 23 hours ago
IG
Lead IAM Engineer
Innovate Global Solutions
Ottawa, ON
- Contract
Lead IAM Engineer- Identity Architecture & Design
Added 1 day ago
MT
Professional Services Consultant
Manx Telecom Enterprise
Permanent North American Gaeltacht, ON
- Full-time
The Professional Services Consultant delivers Microsoft cloud, infrastructure and platform projects for Synapse360 customers. The role is suited to an experienced Windows infrastructure…
Added 1 day ago
MO
Project Technician – Tier 3 Network & Infrastructure Specialist
MSP OPERATIONAL CORP
Guelph, ON · London, ON
- $90,000 to $100,000 CAD / year
As a Project Technician – Tier 3 Network & Infrastructure Specialist, you will play a senior hands-on role in the planning, design, and delivery of complex network and infrastructure…
Added 2 days ago
MD
Principal Information Security Engineer - ITS5
Minnesota Direct Care and Treatment
Saint-Paul, NB · St.-Paul, NB
- Full-time
The Principal Information Security Engineer (PISE) is a senior cybersecurity position responsible for designing, implementing, and maintaining enterprise-wide information security programs…

Lyft

Senior Software Engineer, Foundational Infrastructure & Networking

Toronto, ON, Canada

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Job details

Experience: 6+ Years of Production Systems Experience: Proven track record building and operating massive-scale cloud infrastructure and networking platforms.
Posting language: English
Posted: Oct 5, 2026

Original job description

At Lyft, our purpose is to serve and connect. Lyft’s Infrastructure organization builds the high-scale foundation that every engineer at Lyft relies on to ship safe, performant, and reliable services.

As a Senior Software Engineer on the Foundational Infrastructure & Networking team, you will own the core routing, service mesh, and control planes that power hundreds of microservices processing millions of rides daily. This is an IC role with massive engineering leverage: your technical architecture, systems design, and performance optimizations will directly amplify the velocity of every software engineer across Lyft while ensuring platform resiliency at scale.

Responsibilities

Architect & Scale Core Networking: Design, build, and optimize our service mesh, ingress/egress infrastructure, and edge routing capabilities using Envoy Proxy and custom control planes on AWS.
Optimize High-Throughput Control Planes: Enhance load-balancing algorithms, service discovery, and dynamic scaling mechanisms across high-concurrency data and control planes running on Kubernetes.
Drive Systems Reliability & Observability: Operationalize deep telemetry, metrics, and distributed tracing across our networking stack to drastically reduce mean-time-to-detect (MTTD) and resolution (MTTR).
Hands-on Production Debugging: Lead complex technical investigations into cross-stack incidents spanning kernel parameters, cloud VPC network layers, DNS, and distributed microservice protocols.
Technical Leadership & Mentorship: Elevate engineering rigor through RFC reviews, technical vision, incident response post-mortems, and mentoring engineers across the broader Infrastructure org.

Experience

6+ Years of Production Systems Experience: Proven track record building and operating massive-scale cloud infrastructure and networking platforms.
Expertise in Cloud Networking & Protocols: Deep understanding of Linux networking, TCP/IP, DNS, gRPC, HTTP/2, load balancing, and AWS networking architecture (VPCs, NLBs, subnets, transit gateways).
Service Mesh & Proxy Expertise: Hands-on experience building or operating large-scale proxy and mesh technologies (e.g., Envoy, Istio, Cilium, Nginx).
Cloud & Container Infrastructure: Strong experience managing production Kubernetes clusters running on public cloud providers (AWS/GCP) using Infrastructure-as-Code tools (Terraform).
Distributed Systems Troubleshooting: Demonstrated skill in isolating and debugging complex, multi-layered system failures under high throughput conditions.

Benefits:

Extended health and dental coverage options, along with life insurance and disability benefits
Mental health benefits
Family building benefits
Child care and pet benefits
Access to a Lyft funded Health Care Savings Account
RRSP plan with company match to help save for your future
In addition to provincial observed holidays, salaried team members are covered under Lyft's flexible paid time off policy. The policy allows team members to take off as much time as they need (with manager approval). Hourly team members get 15 days paid time off, with an additional day for each year of service
Lyft is proud to support new parents with 18 weeks of paid time off, designed as a top-up plan to complement provincial programs. Biological, adoptive, and foster parents are all eligible.
Subsidized commuter benefits and Lyft ride credits

Lyft is committed to creating an inclusive workforce that fosters belonging. Lyft believes that every person has a right to equal employment opportunities without discrimination because of race, ancestry, place of origin, colour, ethnic origin, citizenship, creed, sex, sexual orientation, gender identity, gender expression, age, marital status, family status, disability, pardoned record of offences, or any other basis protected by applicable law or by Company policy. Lyft also strives for a healthy and safe workplace and strictly prohibits harassment of any kind. Accommodation for persons with disabilities will be provided upon request in accordance with applicable law during the application and hiring process. Please contact your recruiter if you wish to make such a request.

Lyft highly values having employees working in-office to foster a collaborative work environment and company culture. This role will be in-office on a hybrid schedule - Team Members will be expected to work in the office at least 3 days per week, including on Mondays, Wednesdays, and Thursdays. Lyft considers working in the office at least 3 days per week to be an essential function of this hybrid role. Your recruiter can share more information about the various in-office perks Lyft offers. Additionally, hybrid roles have the flexibility to work from anywhere for up to 4 weeks per year. #Hybrid

The expected base pay range for this position in the Toronto area is CAD $136,000 - CAD $170,000, not inclusive of potential equity offering, bonus or benefits. Salary ranges are dependent on a variety of factors, including qualifications, experience and geographic location. Your recruiter can share more information about the salary range specific to your working location and other factors during the hiring process.

Lyft may use artificial intelligence to screen applicants, however, Lyft employees make the ultimate selection and hiring decisions.

This job fills an existing vacancy.

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More about this job

Responsibilities

You will architect and scale core networking infrastructure, including service mesh and edge routing, to support high-concurrency microservices. Additionally, you will drive systems reliability through deep observability and lead complex technical investigations into cross-stack incidents.

Requirements

Candidates must have 6+ years of production systems experience with a focus on cloud networking, Linux, and distributed systems. Proficiency in tools such as Envoy, Kubernetes, and Terraform is required to manage large-scale infrastructure.

Skills

Cloud infrastructure
Networking
Service mesh
Envoy Proxy
Kubernetes
AWS
Linux networking
TCP/IP
DNS
gRPC
HTTP/2
Load balancing
Terraform
Distributed systems
Systems design
Observability

Benefits

Health coverage
Dental coverage
Life insurance
Disability benefits
Mental health benefits
Family building benefits
Child care benefits
Pet benefits
Health Care Savings Account
RRSP plan with company match
Paid time off
Parental leave
Commuter benefits
Lyft ride credits

Visa sponsorship

Not detected in the job text

Keywords

Software Engineering
Infrastructure
Networking
Service Mesh
Envoy Proxy
AWS
Kubernetes
Linux
TCP/IP
DNS
gRPC
HTTP/2
Load Balancing
Terraform
Distributed Systems
Observability
Telemetry
Metrics
Distributed Tracing
VPC
NLB
Cloud Computing
Systems Design
Performance Optimization
Incident Response
RFC
Infrastructure-as-Code
Microservices
Control Planes
Data Planes

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