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Added 27 mins ago
J
Machine Learning Engineer Intern
Jobright.ai
Canada
- Internship
…helps users reach better job outcomes. The Machine Learning Engineer Intern will develop and evaluate machine-learning features, support data pipelines and integrations, investigate model…
Added 42 mins ago
A
Manager, Software Engineering
AltaML
Toronto, ON
- Full-time
We overpay for the right people. We'd rather pay a premium for an engineer who embodies this and multiplies the team than save money on someone who doesn't.
Added 42 mins ago
RR
Hardware Test Engineer
Remote Robotic
Ottawa, ON · Kanata, ON
- $82,000 to $100,000 CAD / year
- Full-time
AirMetal is looking for a Test Engineer, FPV Electronics to develop the systems that validate the performance, reliability, and quality of our FPV and uncrewed-aircraft electronics.
Added 42 mins ago
SI
Forward Deployed Engineer
SPERTON India - Where Great People Meet
Canada
- Full-time
You’re shipping real systems into live operations and owning whether they actually improve the business.
Added 57 mins ago
PB
Shift Engineer Pitampura
Pacific Business Park Sahibabad
AB · Wood Buffalo, AB
- Full-time
O&M of HVAC systems, DG sets, chillers, plumbing systems, fire & safety, civil repair & maintenance, elevators & escalators, solar systems, etc.
Added 57 mins ago
AN
Senior/Lead Software Engineer (Packet Forwarding Engines)
Arista Networks
Vancouver, BC
- Full-time
Work with the hardware team and hardware component vendors to bring up initial versions of new systems using packet forwarding engines and system software.
Added 57 mins ago
AN
Senior/Lead Software Engineer
Arista Networks
Vancouver, BC
- Full-time
Infrastructure functions related to distributed systems such as messaging, signalling, databases, and command line interface techniques.
Added 57 mins ago
AN
BIOS Senior/Lead Software Engineer
Arista Networks
Vancouver, BC
- Full-time
Added 57 mins ago
AN
Senior/Lead Software Engineer, Layer1
Arista Networks
Vancouver, BC
- Full-time
As a Layer1 software engineer, you will get to work on software that manages the physical layer, where packets meet the outside world. Stable and reliable physical connectivity is critical…
Added 1 hour ago
E
Principal Product Manager - Identity Threat Detection and Response
Elastic
Canada
- Full-time
…behavioral analytics, anomaly detection, LLMs, and agentic systems. You are comfortable working closely with data scientists and engineers, and you treat AI agents both as a subject to be…
Added 1 hour ago
VT
Warranty Engineer
Veridian Tech Solutions, Inc.
Markham, ON
- Contract
The Warranty Engineer is responsible for overseeing the day-to-day warranty tickets, preparing reports, driving parts and cost related analysis.
Added 1 hour ago
M
Security Engineer II - Identity and Access Management
Marqeta
Remote, Canada
- Full-time
- Remote
We’re seeking an experienced Security Engineer II with a strong passion for Identity and Access Management (IAM) and expertise in cloud-native environments, particularly AWS. You'll build,…
Added 2 hours ago
Director, Water and Wastewater Infrastructure Management
Region of Waterloo
Kitchener, ON
Directs the creation of operational and performance reporting policies, systems, and procedures, and compliance, particularly in source water protection and the Clean Water Act. Develops…
Added 2 hours ago
T
Quality Engineer II (VMS)
TD
Toronto, ON
- Full-time
Effectively engineer and leverage tools and Engineering practices (DevOps tools and processes, source code management, Service Virtualization, monitoring tools, etc.)
Added 3 hours ago
KG
DevOps Engineer
Kongsberg Geospatial Ltd
Ottawa, ON
- Full-time
…applications including air defense, search and rescue, drone delivery systems, and autonomous vehicle tracking. Our team members make a real impact in people's…
Added 3 hours ago
GC
Technician, MiningNew
Glencore Canada
Elkford, BC
- $96,000 to $113,000 CAD / year
- Full-time
Reporting to the Senior Engineer Supervisor, Geotech the Mine technician will participate in a variety of tasks, such as: Drone photogrammetric surveys, field layout and interaction with…
Added 3 hours ago
GC
Senior Engineer, MaintenanceNew
Glencore Canada
Elkford, BC
- $123,000 to $145,000 CAD / year
- Full-time
Reporting to the Senior Supervisor, Engineer the Senior Engineer, Maintenance is responsible
Added 3 hours ago
HR
Software Analyst
Hitachi Rail
Toronto, ON
- Full-time
…medium-complexity operationally critical and safety-critical software systems within the railway signaling domain. Working under the guidance of a Senior Software Analyst or Technical…
Added 3 hours ago
HR
Software Analyst
Hitachi Rail
Toronto, ON
- Full-time
…medium-complexity operationally critical and safety-critical software systems within the railway signaling domain. Working under the guidance of a Senior Software Analyst or Technical…
Added 3 hours ago
GS
Senior Structural Engineer - Buildings & Infrastructure
Grade Separation Systems
Kingston, ON
- Full-time
Art Engineering Inc. (AEI) is currently seeking a Senior Structural Engineer to join our growing team in Kingston, Ontario. AEI strongly encourages the applications of potential candidates…
Added 3 hours ago
JA
Senior Civil Engineer or Technologist - Water and Sewage Systems - Campbell River
JE Anderson & Associates
Campbell River, BC
- Full-time
To qualify, you will need to be a Professional Civil Engineer or Technologist in good standing with, or eligible for registration with, Engineers and Geoscientists BC (EGBC) or Applied…
Added 3 hours ago
BE
Engineer- New Product Development
Bhoruka Extrusions (A YKK AP Company) Pvt Ltd
Field, BC
- Full-time
Experience: Minimum 5 years experience in an Architectural Products / Aluminium Façade systems.
Added 3 hours ago
C
Building Operator
CBRE
Vancouver, BC
- Full-time
As a CBRE Building Operator, you will be responsible for maintaining small to medium-sized buildings, building systems, and equipment. This job is part of the Engineering and Technical…
Added 3 hours ago
B&
Lead, AI Engineering
Bain & Company
Zurich, ON
- Full-time
The Lead AI Engineer will design, build, and ship generative AI systems and agentic solutions for Bain’s clients. You will contribute across the full development lifecycle - from early…
Added 4 hours ago
M
Dynamics 365 CRM Solution Engineer
Microsoft
Toronto, ON · Ottawa, ON · Vancouver, BC · Edmonton, AB · Calgary, AB
- Full-time
As a Dynamics 365 CRM Solution Engineer, you will collaborate with Systems Integrator (SI) partners early in the sales cycle to scale technical engagements such as demonstrations,…

Encore Technical Solutions Inc.

Senior LLM Research Engineer

Toronto, ON, Canada

Full-time

Apply About employer

Applications open in a new tab.

Job details

Job type: Full-time
Apply by: Nov 4, 2026
Posting language: English
Posted: Oct 5, 2026

Original job description

Senior LLM Research Engineer

Full-Time Permanent

Enterprise Client - Downtown Toronto

Hybrid/Remote

We're looking for a Senior LLM Research Engineer to help build and optimize advanced language models for complex, real-world applications. This role spans the full lifecycle of model development, from dataset creation and post-training through inference optimization, evaluation, and continuous improvement.

You'll work on challenging domains where high-quality training data and ground truth are often unavailable, requiring creative approaches to data generation, labeling, evaluation, and model alignment. Success in this role comes from combining strong research capabilities with practical engineering execution.

What You'll Do

Lead post-training workflows, including SFT, RL-based training, distillation, and model alignment
Design and implement robust evaluation frameworks, benchmarks, and regression testing suites
Build high-quality training and evaluation datasets from large, unstructured corpora, including synthetic data generation
Train and optimize models on distributed GPU infrastructure, troubleshooting performance and scalability challenges
Improve inference efficiency through quantization, parallelization, decoding optimizations, and serving performance tuning
Analyze results and translate experiments into data-driven model improvement decisions

What You'll Bring

Strong Python expertise and experience with modern LLM frameworks such as PyTorch, Hugging Face Transformers, TRL, DeepSpeed, vLLM, or similar tools
Hands-on experience fine-tuning and aligning large language models using supervised and reinforcement learning approaches
Deep understanding of distributed training, model scaling, and GPU optimization
A rigorous approach to evaluation, experimentation, and measurement
Ability to bridge research and engineering, delivering production-ready solutions with strong software development practices

Preferred Experience

Creating labeled datasets from unstructured data, including synthetic data generation at scale
Designing LLM evaluation methodologies, rubrics, and LLM-as-judge systems
Inference optimization, including quantization, speculative decoding, and performance tuning
Building AI solutions for complex, domain-specific tasks where answers require nuance, reasoning, and judgment

Apply About employer

More about this job

Responsibilities

Lead post-training workflows, including supervised fine-tuning, reinforcement learning, distillation, and model alignment, while building datasets and evaluation frameworks. Train and optimize models on distributed GPU infrastructure, improve inference performance, and use experimental results to guide model improvements.

Requirements

Requires strong Python expertise and hands-on experience fine-tuning and aligning large language models with supervised and reinforcement learning methods. Candidates should understand distributed training and GPU optimization, apply rigorous evaluation practices, and be able to deliver production-ready solutions using modern LLM frameworks.

Skills

Python
Large Language Models
PyTorch
Hugging Face Transformers
Supervised Fine-Tuning
Reinforcement Learning
Model Alignment
Distributed Training
GPU Optimization
Dataset Creation
Synthetic Data Generation
Model Evaluation
Inference Optimization
Quantization
DeepSpeed
vLLM

Visa sponsorship

Not detected in the job text

Keywords

Python
Large Language Models
PyTorch
Hugging Face Transformers
TRL
DeepSpeed
vLLM
Supervised Fine-Tuning
Reinforcement Learning
Distillation
Model Alignment
Distributed Training
GPU Infrastructure
GPU Optimization
Synthetic Data Generation
Dataset Labeling
Evaluation Frameworks
Benchmarks
Regression Testing
Inference Optimization
Quantization
Speculative Decoding
Parallelization
LLM-as-Judge
Model Scaling
Data-Driven Experimentation
Production Engineering

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