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Added 10 mins ago
Director, Water and Wastewater Infrastructure Management
Region of Waterloo
Kitchener, ON
Develops business plans and directs the completion of manager workplans to inform the development and control of capital and operating budgets ($134M+).
Added 1 hour ago
HR
Software Analyst
Hitachi Rail
Toronto, ON
- Full-time
…the railway signaling domain. Working under the guidance of a Senior Software Analyst or Technical Specialist, the incumbent develops expertise in one or more subsystem functional areas and…
Added 1 hour ago
HR
Software Analyst
Hitachi Rail
Toronto, ON
- Full-time
…the railway signaling domain. Working under the guidance of a Senior Software Analyst or Technical Specialist, the incumbent develops expertise in one or more subsystem functional areas and…
Added 2 hours ago
M
Senior Software Engineer - Card Network Integration
Marqeta
Remote, Canada
- Full-time
- Remote
Marqeta is seeking a skilled Senior Software Engineer to join the Network File Integration team. In this role, you will help design and deliver scalable software solutions for batch and…
Added 2 hours ago
HR
Technical Specialist, Senior - Vital Software
Hitachi Rail
Toronto, ON
- Full-time
The Senior Software Technical Specialist leads the design, development, integration, and testing of complex operationally critical and safety-critical software systems within the railway…
Added 2 hours ago
HR
Technical Safety Specialist
Hitachi Rail
Toronto, ON
- Full-time
Minimum 10 years of experience in a senior technical role in train control systems or automation in other industries such as aerospace, defense, automotive, medical or nuclear
Added 2 hours ago
HR
Technical Safety Specialist
Hitachi Rail
Burnaby, BC
- Full-time
Minimum 10 years of experience in a senior technical role in train control systems or automation in other industries such as aerospace, defense, automotive, medical or nuclear
Added 4 hours ago
GI
Program Manager - Civil Engineer
Global Infrastructure
Toronto, ON
- Full-time
Act as the primary liaison with internal departments, senior leadership, and external partners.
Added 4 hours ago
HR
Software Analyst
Hitachi Rail
Toronto, ON
- Full-time
…the railway signaling domain. Working under the guidance of a Senior Software Analyst or Technical Specialist, the incumbent develops expertise in one or more subsystem functional areas and…
Added 4 hours ago
AW
Software Dev Engineer III, S3 ShardStore Application
Amazon Web Services (AWS)
Vancouver, BC
- Full-time
…existing code, improve operational tooling, collaborate with senior engineers to design new components that shape the future of the system, and build expertise in specific areas of the…
Added 5 hours ago
WI
Lead Instrumentation & Control Engineer, Resources
WSP in Canada
Markham, ON
- Full-time
This is your opportunity to shape high-impact infrastructure, drive innovation in automation and process control, and collaborate with multidisciplinary teams delivering transformative…
Added 5 hours ago
AD
Process Development Engineer
Active Dynamics Group
Toronto, ON
- Full-time
…Active Dynamics is seeking an eager and enthusiastic experienced Process Development Engineer (NPI & Production Support) to join our successful Toronto team! We are looking for a talent…
Added 5 hours ago
A
Senior Project Engineer
ABB
Calgary, AB
- Full-time
ABB is seeking a Senior Lead Project Engineer to join our team. In this role, you will provide technical leadership and oversee the successful execution of multidisciplinary electrical…
Added 5 hours ago
AD
Process Development Engineer
Active Dynamics
Toronto, ON
- $62,000 to $72,000 CAD / year
- Full-time
…Active Dynamics is seeking an eager and enthusiastic experienced Process Development Engineer (NPI & Production Support) to join our successful Toronto team! We are looking for a talent…
Added 6 hours ago
Senior Instrumentation & Controls Engineer - Industrial Sector
Kiewit
Calgary, AB
…growth across North America, and we’re expanding our team with Senior Instrumentation & Controls Engineers who want to lead, innovate, and build systems that actually get constructed. This…
Added 6 hours ago
S
Senior Full-Stack Engineer, NimbleRx
Swoop
Toronto, ON
- Full-time
As a Senior Full-Stack Engineer, you will have a hand in architecting the technology and customer experience that are pivotal to multiple web products for patients, pharmacies, and other…
Added 6 hours ago
S
Senior Backend Engineer, NimbleRx
Swoop
Toronto, ON
- Full-time
As a Senior Backend Engineer, you will have a hand in architecting the technology and customer experience that are pivotal to multiple web products for patients, pharmacies, and other…
Added 6 hours ago
Senior Platform Engineer, AI & Fabrics
BMO
Toronto, ON · FCP
…AI safe, governed, and scalable. We are seeking experienced Senior Engineers to help build and operate the core infrastructure that governs how AI runs at BMO: the AI Gateway, Policy…
Added 7 hours ago
CE
Senior/Principal Electrical Engineer
Capital Engineering (Partnership)
AB · Edmonton, AB
- Full-time
Senior/Principal Electrical Engineer | Edmonton, AB
Added 7 hours ago
Senior Electrical Engineer
Cyclic Materials Inc.
Toronto, ON
We are seeking an experienced Senior Electrical Engineer to lead and support electrical engineering efforts for our recycling operations. Reporting to the SME Electrical Engineering, you…
Added 7 hours ago
A4
Senior QMS / Quality Engineer ( Medical Devices)
Avenue 45
Mississauga, ON
- $110,000 to $145,000 CAD / year
- Full-time
The Senior QMS Quality Engineer will lead quality system initiatives including CAPA, change control, document control, training, audits, supplier quality, management review, risk…
Added 7 hours ago
CM
Senior Electrical Engineer
Cyclic Materials
Toronto, ON
- Full-time
We are seeking an experienced Senior Electrical Engineer to lead and support electrical engineering efforts for our recycling operations. Reporting to the SME Electrical Engineering, you…
Added 7 hours ago
S
Senior DevOps Engineer – AI & Data Platform
Systematix
Canada
- Contract
We are Systematix and we are currently looking for a Senior DevOps Engineer – AI & Data Platform to help modernize and automate the engineering practices supporting a rapidly growing…
Added 7 hours ago
K
Senior AI Software Engineer, Agentic Systems & Data Fabric
Kinaxis
Ottawa, ON
- Full-time
…agentic AI safely reason about and act on enterprise data. As a Senior AI Software Engineer on the Data Fabric team, you will design and implement execution patterns, tool-calling…
Added 7 hours ago
B
Senior Platform Engineer, AI & Fabrics
BMO
Toronto, ON
- Part-time
…AI safe, governed, and scalable. We are seeking experienced Senior Engineers to help build and operate the core infrastructure that governs how AI runs at BMO: the AI Gateway, Policy…

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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