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Added 2 mins ago
Project Manager - Electrical
Smith + Andersen
Winnipeg, MB
Prepare and continually monitor a schedule of tasks required to complete the project including hours to perform tasks and critical data required for performance.
Added 2 mins ago
Associate – Electrical (Tenant)
Smith + Andersen
Toronto, ON
Prepare and continually monitor a schedule of tasks required to complete the project including hours to perform tasks and critical data required for performance.
Added 2 mins ago
Associate - Electrical
Smith + Andersen
Calgary, AB
Prepare and continually monitor a schedule of tasks required to complete the project including hours to perform tasks and critical data required for performance.
Added 2 mins ago
AI Engineer
RBC
Toronto, ON · Montreal, QC
Full-time
The AI & Digital Innovation team in RBC Capital Markets is seeking an AI Engineer with expertise in software engineering, applied AI, Generative AI, and quantitative computation to…
Added 2 mins ago
Senior Manager – Utilities Advisory
Accenture
Toronto, ON
Full-time
…structures, accountability, and working relationships that make owner-engineer-contractor partnerships function through complex…
Added 2 mins ago
Senior Software Development Engineer (Front End) - Evisort AI
Workday
Vancouver, BC · Canada, BC, Vancouver
Full-time
Evisort Engineering is growing! As a Software Engineer (Front End), you’ll join a collaborative, cross-functional team working to enhance and expand our AI-driven contract management…
Added 16 mins ago
Senior Conversational AI Engineer/Architect (P4)
Apex Systems
Mississauga, ON
$85 to $95 USD / hour
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Senior Conversational AI Engineer, EmployeeWorks Platform
Added 16 mins ago
Senior Mechanical Design Engineer
Engineered Arts
Montreal, QC
Full-time
We’re looking for a multi-talented Senior Mechanical Design Engineer to join our small, highly skilled team in building the future of human-robot interaction.
Added 16 mins ago
Data Engineer
Experis Canada
Montreal, QC
Contract
5 years of experience in Analytics Engineering Data Engineering Business Intelligence
Added 17 mins ago
DevOps Engineer
Proofpoint
Toronto, ON
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Proofpoint is a global leader in human- and agent-centric cybersecurity. We protect how people, data, and AI agents connect across email, cloud, and collaboration tools. Over 80 of the…
Added 17 mins ago
Tech Lead - Software Engineering
DataVisor
Remote, Canada
Full-time · Remote
…platform that supports easy consolidation and enrichment of any data, DataVisor's fraud and anti-money laundering (AML) solutions scale infinitely and enable organizations to act on…
Added 17 mins ago
Tech Lead - Software Engineering
DataVisor
Remote, Canada
Full-time · Remote
…platform that supports easy consolidation and enrichment of any data, DataVisor's fraud and anti-money laundering (AML) solutions scale infinitely and enable organizations to act on…
Added 17 mins ago
Tech Lead - Software Engineering
DataVisor
Remote, Canada
Full-time · Remote
…platform that supports easy consolidation and enrichment of any data, DataVisor's fraud and anti-money laundering (AML) solutions scale infinitely and enable organizations to act on…
Added 17 mins ago
Lead Data Platform Engineer 1
McKesson
Mississauga, ON
Full-time
McKesson is seeking a Lead Data Platform Engineer 1 to define and drive the future of our enterprise data ecosystem. In this highly visible technical leadership role, you will establish…
Added 17 mins ago
Cloud Site Reliability Engineer II
Barracuda Networks Inc.
Ottawa, ON
…protection against complex threats. Our platform protects email, data, applications, and networks with innovative solutions, and a managed XDR service, to strengthen cyber resilience.…
Added 32 mins ago
Senior Advanced Quality Engineer - Mechanical
Ecolab
Calgary, AB · CAN-Calgary Office Quarry Park
Full-time
Join CoolIT, an Ecolab Company, a global leader in Direct Liquid Cooling technology for data centers, supercomputers, and high-performance computing environments.
Added 32 mins ago
Full Stack Software Engineer
Remarcable, Inc.
Remote, Canada
$100,000 to $150,000 CAD / year
Full-time · Remote
…field operations, back offices, and suppliers through real time data sync, visual catalogs, side by side distributor pricing, AI discrepancy detection, and 180+ supplier and ERP…
Added 32 mins ago
Sr. Software Development Engineer , Customer Service Technologies
Amazon
Vancouver, BC
We are seeking a Sr. Software Development Engineer to lead the engineering team building the Network Control Center (NCC) - an AI-native system that will transform how Amazon detects,…
Added 44 mins ago
Senior Product Manager, PolicyCenter
Guidewire Software
Canada
Full-time
…technical fluency to be a credible partner on rating engines, data model, integrations, and cloud delivery…
Added 44 mins ago
Tech Lead - Software Engineering
DataVisor
Calgary, AB
$130,000 to $170,000 CAD / year
Full-time
…platform that supports easy consolidation and enrichment of any data, DataVisor's fraud and anti-money laundering (AML) solutions scale infinitely and enable organizations to act on…
Added 44 mins ago
Software Technical Leader
Cisco
Fredericton, NB
Full-time
Senior Software Engineer - Cloud Data Ingestion Platform
Added 44 mins ago
Software Technical Leader
Cisco
Halifax, NS
Full-time
Senior Software Engineer - Cloud Data Ingestion Platform
Added 46 mins ago
Tech Lead - Software Engineering
DataVisor
Vancouver, BC
$130,000 to $170,000 CAD / year
Full-time
…platform that supports easy consolidation and enrichment of any data, DataVisor's fraud and anti-money laundering (AML) solutions scale infinitely and enable organizations to act on…
Added 46 mins ago
Software Technical Leader
Cisco
Mississauga, ON
Full-time
Senior Software Engineer - Cloud Data Ingestion Platform
Added 46 mins ago
Tech Lead - Software Engineering
DataVisor
Toronto, ON
$130,000 to $170,000 CAD / year
Full-time
…platform that supports easy consolidation and enrichment of any data, DataVisor's fraud and anti-money laundering (AML) solutions scale infinitely and enable organizations to act on…

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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