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Added 7 mins ago
Senior Full Stack Developer .NET, C#, Angular, React
Rose International
AB · Edmonton, AB
Full-time
Must Have Skills/Attributes: .Net, C#, Django, JavaScript, NodeJs, Software Development, Testing
Added 7 mins ago
Digital Architect
Joblinxsapp
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Full-time
…leadership for large-scale enterprise projects involving data, software applications, system integrations, digital transformation, and modern data-driven…
Added 9 mins ago
Systems Administrator
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Full-time
…exciting, varied responsibilities as well as a wide range of development prospects. Because we believe that your career path should be as unique as you…
Added 9 mins ago
Quality Engineer
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Concord, ON
Full-time
…exciting, varied responsibilities as well as a wide range of development prospects. Because we believe that your career path should be as unique as you…
Added 9 mins ago
Senior Business Analyst
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Other
The purpose of this role is to lead functional analysis and business application stewardship for complex enterprise initiatives across Fountain Tire’s application portfolio, including…
Added 9 mins ago
Mental Health Therapist (Masters in Behavioural Science)
Vancouver Coastal Health
North Vancouver, BC
$44.85 to $56.02 CAD / hour
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Demonstrated listening and information seeking skills that promotes communication and lead to a co-operative approach to problem solving within a multidisciplinary setting.
Added 9 mins ago
Technical Lead
Method Integration Inc.
Remote, Canada
$120,000 to $144,000 CAD / year
Full-time · Remote
5–7+ years of software development experience, ideally on production applications.
Added 9 mins ago
Cost Control Lead
Turner & Townsend
Toronto, ON
Full-time
Strong proficiency with cost management software and MS Office suite.
Added 22 mins ago
Software Engineering LMTS
Salesforce
Vancouver, BC
Full-time
5+ years of backend software development experience
Added 22 mins ago
Library Resources and Access Manager
Mount Allison University
Sackville, NB
Full-time
Stay current on and pursue relevant professional development opportunities on best practices and trends in library services and technologies; makes recommendations to the Dean or other…
Added 22 mins ago
Data Science Developer
Transit
Montreal, QC
$90,000 to $125,000 CAD / year
Full-time
Mentor newer developers on software craft and statistical thinking
Added 22 mins ago
Manager, Business Development
Coveo
Montreal, QC
Full-time
What does it take to turn business development priorities into consistent execution and measurable pipeline? As Manager, Business Development, you’ll lead, coach and develop a team of Sales…
Added 22 mins ago
Senior Engineer, Project Model Validation
MatchBox Consulting Group
Calgary, AB
Full-time
The successful candidate will lead the technical review and validation of power-system models and Project Data Update Packages (PDUPs) used in interconnection studies. Acting as a…
Added 22 mins ago
Renewable Energy Operations Manager
Natural Forces
Halifax, NS
Full-time
…availability, and operational processes, working closely with development and construction teams and ensuring ongoing compliance with regulatory, permitting, and project…
Added 23 mins ago
Senior IT Consultant and Lead, Client Experience - Alberta or British Columbia
IX Solutions Ltd.
Remote, Canada
$90,000 to $115,000 CAD / year
Full-time · Remote
As a player-coach within the Client Experience team, the Senior IT Consultant and Lead, Client Experience drives successful outcomes for core clients while providing day-to-day leadership,…
Added 38 mins ago
IT Developer
Leons Furniture Limited
Toronto, ON
Full-time
5+ years of experience in software development or IT project environments
Added 38 mins ago
Finance Associate
Waabi
Toronto, ON
$100,000 to $125,000 USD / year
Full-time
Manage the Full Year Budget and Forecast: Support budget preparation and oversight, involving the development of annual operating budgets, forecasts, and financial plans. Regularly…
Added 38 mins ago
Design Manager
FCC Canada
Toronto, ON
…environmental services, end-to-end water management, and the development of concessions for large…
Added 38 mins ago
Quality Coordinator
FCC Canada
Toronto, ON · Vancouver, BC
$100,000 to $110,000 CAD / year
Support the development and revision of ITPs, checklists, and quality procedures specific to surface works.
Added 38 mins ago
Account Executive
Operto Guest Technologies
Vancouver, BC
$75,000 to $90,000 CAD / year
Full-time
Sell outcomes, not software: Help hotel operators understand the financial impact of OTA commissions and build a compelling ROI around increasing direct bookings through Operto ONE.
Added 52 mins ago
Event Coordinator
National Judicial Institute (NJI) - l'Institut national de la magistrature (INM), Canada
Ottawa, ON
Full-time
…they, under the supervision and guidance of their manager or Lead Program Officer, coordinate the process for effective planning, development, delivery, and evaluation of judicial education…
Added 52 mins ago
VP, SaaS
Sevens™
Canada
Other
We are seeking a visionary VP, SaaS to lead our go-to-market strategy and build a world-class revenue organization. This executive will play a critical role in driving recurring revenue,…
Added 52 mins ago
SAP BTP Consultant
Delta System & Software, Inc.
Calgary, AB
Contract
Support application development, workflow automation, process orchestration, event-driven integrations, and API management on SAP BTP.
Added 52 mins ago
Python Fullstack Developer
Genpact
Montreal, QC
$70,000 to $80,000 CAD / year
Full-time
4-8 years of software development experience.
Added 52 mins ago
Sales Development Representative (BDR)
PheedLoop
Toronto, ON
Full-time
…conferences and trade shows to hybrid and virtual experiences, our software powers high-impact events around the world. As one of Canada’s fastest-growing event technology companies, we…

Cerebras

Software Engineer - Host and Network IO

Toronto, ON, Canada

Job type: Full-time
Apply by: Oct 10, 2026
Experience: Master's/PhD in Computer Science or Electrical Engineering + 1 year industry experience, OR 3+ years industry experience.
Posting language: English
Posted: Sep 23, 2026

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Original job description

Cerebras Systems builds the world's largest AI chip, 56 times larger than GPUs. This architecture allows Cerebras to deliver industry-leading training and inference speeds; over 10 times faster than GPU-based hyperscale cloud inference services.

This order of magnitude increase in speed is transforming the user experience of AI applications, unlocking real-time iteration and increasing intelligence via additional agentic computation.

Cerebras works with the leading model labs, global enterprises, and cutting-edge AI-native startups. OpenAI recently announced a multi-year partnership with Cerebras, to deploy 750 megawatts of scale, transforming key workloads with ultra high-speed inference.

About The Role

The Host and Network IO Team develops the full IO path implementation between a distributed system of server nodes, through the cluster, down to the custom RoCE network stack implemented in Cerebras' system, and over the proprietary IOs onto the WSE. As a software developer on the team, you will interface between AI application-level IO teams, cluster architecture teams, and FPGA/ASIC teams to develop solutions that optimize bandwidth and latency while minimizing congestion, pauses, pause spreading, unfairness, etc. Strong skills in socket programming will enable you to deploy robust management operations, while deftness in RDMA Verbs will enable you to optimize CPU resources and shape network traffic to deliver real world impact on AI performance metrics, as well as developing tools for gaining insight and visibility into network behavior. Meticulous analysis and rigour are key tenants of this role, harnessing that together with a deeply-understood mental model of the server, NIC, protocol, switch, and custom hardware behavior will enable you to lead network debug, optimize traffic patterns, and prescribe architectural changes.

Responsibilities

Develop x86 & ARM software to expose next-generation hardware IO capabilities for AI/HPC application teams
Govern a generic IO API with multiple internal users.
Develop control and configuration subsystems directly interacting with Cerebras hardware
Drive network performance debug of large AI clusters
Gather and analyze network statistics and packet traces to root cause and alleviate bottlenecks and sub-optimalities.
Develop tools/telemetry for increasing visibility into the network and IO datapath.
Optimize cpu/mem utilization leveraging kernel bypass and zero-copy techniques
Integrate leading edge networking technologies and protocols
Lead cross-functional technical projects spanning multiple teams and integrating diverse software and hardware components to deliver an improved network IO solution.
Foster clear and effective communication across teams and stakeholders.

Skills & Qualifications

Master's/PhD in Computer Science or Electrical Engineering + 1 year industry experience, OR 3+ years industry experience.
Experience in large software environments.
Embedded systems, HW/SW co-design, and some driver development.
Network protocol familiarity (TCP, RoCE) and network debug tools such as Wireshark, or willingness to learn
Some network switch environment familiarity or willingness to learn (Arista, Juniper, etc.).
Detail-oriented but keen to learn the bigger picture and step out of comfort zone to embrace the unknown.

Why Join Cerebras

About

People who are serious about software make their own hardware. At Cerebras, we have built a breakthrough architecture that is unlocking new opportunities for the AI industry. With dozens of model releases and rapid growth, we’ve reached an inflection point in our business. Members of our team tell us there are five main reasons they joined Cerebras:

Build a breakthrough AI platform beyond the constraints of the GPU.
Publish and open source their cutting-edge AI research.
Work on one of the fastest AI supercomputers in the world.
Enjoy job stability with startup vitality.
Our simple, non-corporate work culture that respects individual beliefs.

Find out more about what it's like to work at Cerebras here!

Apply today and become part of the forefront of groundbreaking advancements in AI!

Cerebras Systems is committed to creating an equal and diverse environment and is proud to be an equal opportunity employer. We celebrate different backgrounds, perspectives, and skills. We believe inclusive teams build better products and companies. We try every day to build a work environment that empowers people to do their best work through continuous learning, growth and support of those around them.

This website or its third-party tools process personal data. For more details, click here to review our CCPA disclosure notice.

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More about this job

Responsibilities

Develop and maintain software and APIs that expose hardware I/O capabilities, configure Cerebras systems, and optimize network performance across large AI clusters. Analyze network statistics and packet traces, build visibility tools, and lead cross-functional efforts to improve network I/O solutions.

Requirements

Requires a master's or PhD in Computer Science or Electrical Engineering plus at least one year of industry experience, or at least three years of industry experience. Candidates should have experience in large software environments, embedded systems, hardware/software co-design, and some driver development, along with familiarity with TCP, RoCE, and network debugging tools or a willingness to learn.

Skills

Socket Programming
RDMA Verbs
TCP
RoCE
Network Debugging
Embedded Systems
Hardware/Software Co-Design
Driver Development
C/C++
Network Performance Optimization
Kernel Bypass
Zero-Copy Techniques
Packet Trace Analysis
Telemetry Development
Cross-Functional Project Leadership

Visa sponsorship

Not detected in the job text

Keywords

AI
High-Performance Computing
Host and Network I/O
Distributed Systems
x86
ARM
Socket Programming
RDMA Verbs
TCP
RoCE
Network Protocols
Network Switches
Arista
Juniper
Wireshark
Embedded Systems
Hardware/Software Co-Design
Driver Development
FPGA
ASIC
Kernel Bypass
Zero-Copy
Network Telemetry
Packet Traces
Bandwidth Optimization
Latency Optimization
CPU and Memory Optimization
Cerebras Wafer-Scale Engine
Cluster Networking

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