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UO
HR Administrator (Fixed Term - 2 Yrs) Full-Time or 0.8 FTE - Job Opportunities - University of Cambridge
University of Cambridge Museums
Cambridge, ON
- Full-time
To help support our staff to thrive both professionally and personally, we offer hybrid working, and the role holder will have the flexibility to work some days from home, subject to…
Added 1 min ago
YR
English as a Second Language (ESL)/LINC/Citizenship Instruction Instructor - Supply 2026/2027
York Region District School Board
Vaughan, ON
- Contract
Thank you for your interest in and application for English as a Second Language (ESL)/LINC/Citizenship Instruction Instructor - Supply .
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E1
Entry-Level English Teacher
English 1
Fort Erie, ON
- Full-time
…into international teaching. We will provide you with full support and…
Added 1 min ago
I
Supervisor - Warehouse
Integra
Harrow, ON
- Full-time
Investing in your growth – Education assistance and tuition support to help you build skills and advance your career.
Added 1 min ago
E1
Teach English Overseas (ESL Teacher) | Visa Sponsored
English 1
Châteauguay, QC
- Full-time
…into international teaching. We will provide you with full support and…
Added 1 min ago
DN
SAP Source to Pay AMS Support (Puerto Rico)
delaware North America
Canada
- Full-time
We are seeking an experienced SAP Source-to-Pay (S2P) AMS Consultant to provide Application Management Services (AMS) support for enterprise SAP procurement and sourcing solutions. The…
Added 1 min ago
DB
Heavy Equipment Operator, Multi-Skilled, Mine Operations - Fixed-Term Contract Fly In/Fly Out
De Beers Group
NT · Northwest Territories, Canada
- Contract
We are the world’s leading diamond company, powered by thousands of people around the world who are driven to support thriving local communities, protect the natural environment, and stand…
Added 1 min ago
UO
Technical Coordinator, Nickle Galleries, Libraries and Cultural Resources
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Calgary, AB
- Full-time
…policy and procedure development and teaching and learning support, we’d love to talk to…
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Y
Senior Windows Server Modernization Specialist
Yochana
Toronto, ON
- Full-time
Collaborate with application support teams, infrastructure operations, security, cloud engineering, and project stakeholders to ensure successful project delivery.
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B
VP, Engineering - Network Observability
BlueCat
Canada
- Full-time
Prior experience in a customer-facing technical role (e.g., sales engineering, professional services, support, product management)
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MU
NURSING LABORATORY INSTRUCTOR (GANDER) (BAND LEVEL 10)
Memorial University, Newfoundland and Labrador
St. John's, NL
- Full-time
…considerable knowledge of the areas of instruction, assessment, and support for student learning. Teaching experience in a post-secondary environment would be an…
Added 1 min ago
E1
English Second Language Teacher
English 1
Lethbridge, AB
- Full-time
Track student progress and provide meaningful feedback to support their growth.
Added 1 min ago
CO
Operations Financial Analyst (CPA)
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Red Deer, AB
- $51.72 to $54.44 CAD / hour
- Full-time
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Added 1 min ago
MU
FACILITIES SERVICES TECHNICIAN (BAND LEVEL 3)
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St. John's, NL
- Full-time
The personal information requested in your application is collected under the authority of the Memorial University Act (RSNL 1990 c M-7) for the purpose of identifying and recruiting…
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MU
SMALL VESSEL OPERATOR (RTP III)
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REFRIGERATION APPRENTICE (BAND LEVEL 6)
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Added 1 min ago
EO
Payroll Supervisor- Field
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Toronto, ON · North York, ON
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BC
Manager, School Operations
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- $100,739 to $138,516 CAD / year
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…collectively make recommendations to mitigate challenges and support BCIT’s financial…
Added 1 min ago
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- $17.95 CAD / hour
- Full-time
You treat feedback as a tool for success, proactively applying coaching to hit your targets and support the store’s success
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Academic Associate (Educational Developer)
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…Associate reflects the academic qualifications required to support pedagogical practices, as well to support other academic activities such as course development. The position combines…
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EI
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Ensuring the maintenance and application of the system of classification, inventory, indexing and conservation of data according to the procedures, policies and laws in force, and…
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Production Supervisor, Millwork
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· 5+ years’ production experience in millwork, door, assembly, paint application inspection, or labour.
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Manager Service Operations
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…University’s mission and goals. Reporting to the Director of Technical Support Services, the Manager of Service Operations leads the Support Desk and Endpoint Services teams, ensuring…
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Engineers in Regional-focused roles provide ongoing engineering support for the operation, maintenance, renewal, and expansion of the distribution system within an assigned geographic area.
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Lyft

Senior Software Engineer, Foundational Infrastructure & Networking

Toronto, ON, Canada

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Applications open in a new tab.

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.

Apply About employer

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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