Jobs in Canada

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Added 2 mins ago
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Senior Broker, Commercial Insurance
NFP, an Aon company (Canada)
Toronto, ON
- Full-time
Provincial P&C License required or obtained within 90 days of employment
Added 18 mins ago
GC
Développeur(euse) de logiciels sénior | Senior Software Developer
Game Companies
Montreal, QC
- Full-time
Added 18 mins ago
GC
Senior Software Engineer | Développeur(euse) de logiciels sénior
Game Companies
Montreal, QC
- Full-time
Added 18 mins ago
TS
RPN-Registered Practical Nurse
The Salvation Army in Canada
Toronto, ON
- Part-time
May act as shift lead when assigned by leadership, coordinating workflow, resource allocation, and care delivery.
Added 18 mins ago
I
Cluster Site Reliability Engineer
iFrame
Toronto, ON · Greater Toronto Area, Canada
- Full-time
03 Run capacity planning across seven regions: forecast demand, model power and thermal headroom, work with procurement on lead times.
Added 18 mins ago
T
LPN - Permanent 1.0 FTE
TownPost
Alexis Whitecourt 232, AB · Whitecourt, AB
- Full-time
Description: Reporting to the LPN Team Lead, is accountable for: Resident Health & Wellness, Quality Assurance and Health & Safety. This position entails a high level of interaction with…
Added 18 mins ago
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Sr. Finance Manager, Manufacturing & Inter-company
''
Toronto, ON
- Full-time
Lead the development and standardization of global manufacturing costing processes, including direct, indirect, and overhead cost structures.
Added 18 mins ago
Senior Product Recruiter
Brex
Vancouver, BC
Lead sourcing and outreach for Product roles, using recruiting platforms, product communities and social networks.
Added 32 mins ago
M
Front of House - Supervisor
Moxies
Calgary, AB
- Full-time
Actively lead shifts, in support of senior leadership team members while helping to manage budgetary goals
Added 32 mins ago
HT
Technical Trainer
Husky Technologies
Bolton, ON
- Full-time
Post-Secondary education or skilled trade certification required · Must have the right to work in the United States (citizenship or green card)
Added 32 mins ago
M
Back of House - Supervisor
Moxies
Langley (District), BC · City of Langley, BC
- Full-time
Actively lead shifts, in support of senior leadership team members while helping to manage budgetary goals
Added 32 mins ago
M
Front of House - Server
Moxies
Hamilton, ON
- Full-time
Strong ability to lead conversation in any setting
Added 47 mins ago
SJ
Primary Care Nurse - Post-Transplant Coords
St. Joseph's Healthcare Hamilton
Hamilton, ON · Charlton Campus
- Full-time
Current BCLS/HCP certification required
Added 1 hour ago
HT
Financial Manager - PLM (Product Line Mgmt)
Husky Technologies
Bolton, ON
- Full-time
…passion of our people around the world and their desire to lead change. At the same time, we are not afraid to expect a lot and strive for leadership in all of our key markets. We are a…
Added 1 hour ago
LH
Exercise Therapist
Lifemark Health Group
Mississauga, ON
- Full-time
Must have a full drivers license, reliable car and willingness to travel between sites throughout the region
Added 1 hour ago
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Research Assistant - Public Engagement
RI-MUHC | Research Institute of the MUHC | #rimuhc
Montreal, QC
- Full-time
Participate in the planning and coordination of in-person Network events, taking the lead in advocating for and ensuring the needs and perspectives of public partners and people with…
Added 1 hour ago
R|
Project Manager
RI-MUHC | Research Institute of the MUHC | #rimuhc
Montreal, QC
- Contract
Clinical supervision and quality assurance: Supervise and train clinical research staff and lead scoring reviews to support inter-rater reliability, consistency, and ongoing clinical…
Added 1 hour ago
R|
Postdoctoral Fellow - Surgical and Interventional Sciences
RI-MUHC | Research Institute of the MUHC | #rimuhc
Montreal, QC
- Full-time
The individual must have recently been awarded (within 2 years) a PhD or equivalent
Added 1 hour ago
VB
Senior Analyst, Sales Reporting
Vale Base Metals
Toronto, ON
- Full-time
Lead performance reporting for Copper and PGM sales activities.
Added 1 hour ago
CO
Bylaw Enforcement Coordinator
City of Winnipeg
Winnipeg, MB
- Full-time
…external compliance requirements. The Coordinator is expected to lead improvement and innovation in both business practices and customer service systems. The Coordinator provides strong…
Added 1 hour ago
TH
Registered Nurse | Part time | CVH | NICU
Trillium Health Partners
ON · ON, Canada
- Part-time
As a Registered Nurse working within Neonatal Intensive Care Unit, you will take the lead as you will:
Added 1 hour ago
TH
Registered Nurse | Temporary Part time | CVH | NICU
Trillium Health Partners
ON · ON, Canada
- Part-time
As a Registered Nurse working within Neonatal Intensive Care Unit, you will take the lead as you will:
Added 2 hours ago
TS
Resident Support Team Lead
The Salvation Army in Canada
Calgary, AB
- Part-time
Added 2 hours ago
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Every Child Outdoors (ECO) Program Facilitator
GoodWork.ca
Whitewater, MB
- Full-time
Independently lead environmental education programs and interpretive hikes for Kindergarten to Grade 12 school groups, community organizations and the general public.
Added 2 hours ago
G
Forest Gardens Farm Team
GoodWork.ca
Regina, SK · Greater Regina Metropolitan Area
- Internship
…resources that transform lives. In this role, you will develop and lead creative, strategic and heartfelt fundraising initiatives that connect donors to meaningful impact by cultivating…

iFrame

Cluster Site Reliability Engineer

Toronto, ON, Canada
Greater Toronto Area, Canada, Canada

$210,000 – $340,000 USD (US Cologix regions) / equivalent in CA. · Full-time

Apply on LinkedIn About employer

Applications open in a new tab.

Job details

Pay: $210,000 – $340,000 USD (US Cologix regions) / equivalent in CA.
Job type: Full-time
Apply by: Nov 13, 2026
Posting language: English
Posted: Nov 10, 2026

Original job description

Cluster & SRE

Cluster Site Reliability Engineer

Own the physical reality of the platform in one of our seven regions. You bring up new GPU racks, validate InfiniBand fabric end-to-end, and keep the cluster running at the SLA. This is a hands-on role; you will see the hardware.

Apply by email All open roles

Team Cluster & SRE

Location On-site

Cologix region of choice (Toronto, Montréal, Columbus, Vancouver, Ashburn)

Type Full-time

IC4–IC6

Stack LinuxInfiniBand (NDR / XDR)NCCL / RCCLKubernetes (host-level)TerraformPrometheus / GrafanaGo or Python

Apply by email

Hiring manager replies within 5 business days.

The team

About The Team

Cluster SRE is six engineers across the seven regions. Each region has a primary and a secondary; you will be one of those for your region. The team coordinates daily, deploys weekly, and rotates a global pager.

Reports to the head of cluster engineering. Primary on a single region; rotates secondary for one neighboring region.

The role

What you'll do

01 Bring up new B200 / B300 / MI300X racks: cabling, ToR config, NCCL/RCCL all-reduce validation, MFU baseline tests.
02 Drive InfiniBand fabric to spec - NDR / XDR depending on the rack - and chase residual bit-error budget down to zero.
03 Run capacity planning across seven regions: forecast demand, model power and thermal headroom, work with procurement on lead times.
04 Own the regional incident response. P1 incidents page within fifteen minutes; resolution target is four hours.
05 Build and maintain the bring-up runbook so the second hire after you can do their first rack solo.
06 Carry the global pager about one week per six, alongside runtime and customer engineering.

The bar

What we're looking for

Five-plus years operating large compute clusters - supercomputing centers, hyperscaler infra, or HPC at a national lab count.
Deep InfiniBand and Ethernet RoCE experience: subnet manager tuning, fabric debugging, lossless networking.
Strong Linux fundamentals: kernel parameters, NUMA topology, kernel cgroup limits.
Comfort writing Go or Python for tooling. We are not strict about which.
Calm under load. You will be the named person on a $50M-ARR account when something goes wrong.

Bonus

Nice to have, not required

DGX H100 / H200 / B200 bring-up history.
Experience with NVIDIA Bright / Base Command Manager.
Bare-metal provisioning systems: Tinkerbell, MAAS, Razor, or in-house equivalents.
Procurement / vendor management experience.

Compensation

In writing, like everything else

We publish bands. We meet them. The number you see on the offer is the same number your future peers got at the same level. We do not negotiate; we level.

Base

$210,000 – $340,000 USD (US Cologix regions) / equivalent in CA.

Equity

Meaningful early-stage equity, refreshed on tenure milestones.

Notes

On-site pay differential at Cologix regions outside SF / NYC / Bay Area is +5–10% to compensate for travel.

How to apply

One email is enough

Send a short note to careers@iframe.ai with the role title in the subject line. Include your CV or LinkedIn, one or two links to work you're proud of, and a sentence on why this role specifically. Hiring managers reply within five business days, regardless of outcome.

Application

A hiring manager reads every email. Reply within five business days.

Manager call

30–45 minutes. Scope, role, mutual fit. We share the comp band on this call.

Technical loop

3–4 sessions on the same day. Real problems, no homework, no whiteboard riddles.

Offer

Same-week offer at the published band for your level. Start dates are flexible.

Equal opportunity

We hire on the work. Race, gender, age, nationality, religion, sexual orientation, disability, and veteran status do not factor into our decisions. We sponsor visas for senior roles in the US, UK, and EU - bring it up on the manager call.

Need an accommodation for the interview process? Mention it in your application or write careers@iframe.ai.

Also open

Other roles you might consider

Runtime

Inference Acceleration Engineer

Ship the next 2× on the open-source model catalog. Triton, CUDA, ROCm. You will publish what you ship.

View role

Research lab

Distributed Training Researcher

Lead a paper / quarter on multi-thousand-GPU pre-training. Co-appointment with a partner university available.

View role

Customer engineering

Customer Cluster Engineer

Embedded with a small portfolio of reserved-tier accounts. Distributed training perf, NCCL, kernel tuning.

View role

All open roles

One last thing

If this role isn't quite right but you'd be a fit at iframe.ai, write anyway.

Senior engineers and researchers can apply outside the listed roles. The bar is the same. The reply window is the same.

Apply: Cluster Site Reliability Engineer General application

Apply on LinkedIn About employer

More about this job

Responsibilities

Bring up and validate GPU racks, maintain regional InfiniBand and Ethernet fabrics, and ensure cluster reliability against service-level targets. Plan capacity across regions, lead regional incident response, maintain bring-up documentation, and participate in the global on-call rotation.

Requirements

Requires at least five years operating large compute clusters, deep InfiniBand and Ethernet RoCE expertise, and strong Linux fundamentals including kernel parameters, NUMA, and cgroups. Candidates should be comfortable building tools in Go or Python and remain calm during high-impact incidents.

Skills

Linux
InfiniBand
Ethernet RoCE
NCCL
RCCL
Kubernetes
Terraform
Prometheus
Grafana
Go
Python
Cluster Operations
Capacity Planning
Incident Response
Bare-Metal Provisioning
Linux Kernel Tuning

Benefits

Equity

Visa sponsorship

Detected

Keywords

GPU Clusters
B200
B300
MI300X
InfiniBand
NDR
XDR
Ethernet RoCE
Subnet Manager Tuning
NCCL
RCCL
All-Reduce Validation
MFU Baseline Testing
Linux
NUMA
Kernel Parameters
Cgroups
Kubernetes
Terraform
Prometheus
Grafana
Go
Python
Capacity Planning
Power and Thermal Planning
Incident Response
Global On-Call
Bare-Metal Provisioning
NVIDIA Bright
Base Command Manager

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Work requirements

Jobs in Canada