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Added 1 min ago
FS
Signal Integrity and Power Integrity Designer
Fidus Systems
Canada
- Full-time
…and deliver next-generation products for clients in emerging technology…
Added 1 min ago
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Project Manager, Capture and Optimization of Research Data (CORD) Platform
RI-MUHC | Research Institute of the MUHC | #rimuhc
Montreal, QC
- Full-time
Lead pre-deployment testing and quality control of data collection procedures.
Added 1 min ago
A
Team Lead, Dayforce Support
AccorCorpo
Toronto, ON
- Full-time
The Dayforce Support Team Lead provides operational guidance and coordination for the analyst team while ensuring efficient ticket resolution and adherence to support standards. This role…
Added 30 mins ago
J
2627-197 - Learning Commons Assistant – Test Centre Administrator (TS8) - Strait Area Campus
Jobbe
Port Hawkesbury, NS
- Full-time
Supporting accessibility by providing accommodated testing and providing support for assistive technology.
Added 30 mins ago
J
Manager, Corporate Strategic Project Delivery
Jobbe
St. John's, NL · Greater St. John's Metropolitan Area
- Full-time
As a key member of the NL Liquor Corporation, reporting to the Director of IT, you will be the Technology Lead responsible for the successful planning, execution, management, change control…
Added 31 mins ago
BA
Associate, Infrastructure AI
Brookfield Asset Management
Toronto, ON · Brookfield Place
- Full-time
Lead or support due diligence processes, including financial, operational, legal, and tax workstreams, ensuring alignment with the investment thesis and business case.
Added 46 mins ago
CI
Conference Assistant
Connectively Inc.
Vancouver, BC
- Contract
Capture lead details (name, organization, what they're looking for) so we can follow up after the event
Added 1 hour ago
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Chexy Multiple Roles
Chexy
Toronto, ON · Greater Toronto Area, Canada
- Full-time
The payments engineering team that I lead is also hiring backend and full-stack software engineers of all levels! 💰
Added 2 hours ago
EC
Account Manager, Defence
Esri Canada
Ottawa, ON
- Full-time
Lead the execution of account management and solution engagement for an assigned portfolio of Department of National Defence customer accounts.
Added 2 hours ago
EF
Project Manager, Construction/Design – Kitchener
Entrepot Frigorifique Conestoga (Quebec Ltee)
Kitchener, ON
- Full-time
…for twenty consecutive years, we take pride not only in our technology but in our…
Added 2 hours ago
MI
Senior .NET Developer (VB.NET / C#)
Maarut Inc
Levis, QC
- Contract
Architect or Tech Lead profile with no demonstrated hands-on coding in recent engagements.
Added 2 hours ago
CG
Senior V&V Test Engineer - Autonomous Vehicles
CS GROUP
Montreal, QC
- Full-time
Ability to work independently, lead technical discussions and interface directly with the customer and multidisciplinary engineering teams.
Added 2 hours ago
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Industrial Technical Representative
Eaton Corporation
Delta, BC · Kamloops, BC · Kelowna, BC
- Full-time
…trade shows and training. You will also have an opportunity to lead professional presentations to promote Eaton products and Engineering Services to resolve customer’s…
Added 2 hours ago
AG
Senior Operations Technology Specialist
Artemis Gold - Blackwater Project
BC
- Other
Reporting to the Superintendent – Operations Technology, the Senior Operations Technology Specialist connects frontline operations, data, and technology to improve safety, reliability,…
Added 4 hours ago
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Transaction Services Manager - Financial Services (Bilingual FR/EN)
PwC Canada
Toronto, ON
- Full-time
Teamwork: Key team member on large complex assignments and lead work streams on smaller and medium size engagements
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Deals Real Assets, Data Engineering & Digital Solutions, Senior Associate
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Vancouver, BC
- Full-time
Lead the development, build, and maintenance of internal tools and applications using Python, including Generative AI modules, automation scripts, and data processing pipelines to enhance…
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Independent Living Services Simcoe County
Barrie, ON
- $26.28 CAD / hour
- Part-time
…with permanent physical disabilities and seniors aging at home lead independent, dignified, and productive…
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PSW / Attendant
Independent Living Services Simcoe County
Barrie, ON
- $26.28 CAD / hour
- Part-time
…with permanent physical disabilities and seniors aging at home lead independent, dignified, and productive…
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IL
PSW / Attendant
Independent Living Services Simcoe County
Barrie, ON
- $26.28 CAD / hour
- Part-time
…with permanent physical disabilities and seniors aging at home lead independent, dignified, and productive…
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PSW / Attendant
Independent Living Services Simcoe County
Orillia, ON
- $26.28 CAD / hour
- Part-time
…with permanent physical disabilities and seniors aging at home lead independent, dignified, and productive…
Added 5 hours ago
IL
PSW / Attendant
Independent Living Services Simcoe County
Barrie, ON
- $26.28 CAD / hour
- Part-time
…with permanent physical disabilities and seniors aging at home lead independent, dignified, and productive…
Added 5 hours ago
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FX Supervisor, CG (Feature)
WildBrain
Vancouver, BC
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Added 5 hours ago
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Character Rigger 4 [AQ-20646]
Aquent
Vancouver, BC
- $58 to $63 CAD / hour
- Contract
Collaborate closely with the Rigging Lead to develop and implement rigged assets that adhere to technical guidelines, ensuring seamless integration and optimal performance within the game…
Added 5 hours ago
A
Digital Product Designer [AQ-20654]
Aquent
Toronto, ON
- Contract
…set new benchmarks for the industry. This is your chance to lead with design, transform complex financial processes into elegant solutions, and significantly contribute to a platform that…
Added 5 hours ago
A
Senior Interaction Designer [AQ-20653]
Aquent
Toronto, ON
- Contract
…impactful digital experiences that resonate deeply. You will lead design initiatives from strategy to execution, ensuring every interaction is intuitive, inclusive, and highly effective,…

Amazon Science

Sr. Applied Scientist - AWS Catalog, AWS Catalog

Vancouver, BC, Canada

Full-time

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Job details

Job type: Full-time
Apply by: Nov 2, 2026
Posting language: English
Posted: Oct 3, 2026

Original job description

Description

This is a chance to work at the front of data security and governance with Amazon scale impact on customers. As a Sr. Applied Scientist III, you bring your education, experience, and expertise in formal methods, programming languages, and automated reasoning to the permissions model behind AWS's data catalog, so that customers can state precisely who may see which data and trust that the answer holds wherever that data is read. Experience with LLMs, multi-agent workflows, and structured guardrails that raise determinism in LLM output is a plus. In this role you join a strong group of applied scientists in a highly supportive environment with real cognitive safety and room to grow.

Key job responsibilities

You combine deep expertise in programming languages and automated reasoning to design the language and the formal semantics customers use to express permissions over catalog resources, down to the level of individual columns and rows. The model has to stay correct, compact, expressive enough for real customer intent, explainable when it denies a request, and exhaustively testable. Much of the difficulty is navigating ambiguity to balance those properties against each other. You write clear narratives and documentation that enumerate the design choices and build consensus quickly.

You lead design and delivery of scientifically complex components that are rarely revisited once shipped and that deliver measurable customer benefit. The problems are concrete: proving that a change to a policy cannot expand access beyond what the author intended, deciding whether two policies written in different models grant the same thing, showing that a fast evaluation path on the request hot path agrees with the reference semantics, and keeping permissions faithful to intent as schemas and data evolve underneath them. You maintain detailed knowledge of your team's systems and proactively drive improvements in efficiency and consistency across team boundaries.

You influence your team's science and business strategy, collaborating with Applied Scientists, Engineers, and Product Managers across identity, storage, analytics, and machine learning teams, and contributing to roadmaps, goals, and priorities. You harmonize discordant views and build consensus through thoughtful feedback. Beyond your team, you apply advanced techniques to bottleneck problems and are regarded as a reliable, creative problem solver. You further AWS's academic influence through publications, talks, and advancing the state of the art in data security, governance, programming languages, and automated reasoning.

About The Team

The team owns the permissions layer of AWS's data catalog. That covers 1/ the model and formal semantics customers use to author permissions across catalogs, databases, tables, columns, and rows, 2/ the evaluation path that turns those permissions into an authorization decision on every request, under latency budgets that leave no room for a slow answer, 3/ the detection and resolution of divergence between what a customer intended and what is actually enforced as resources change over time, and 4/ converging existing permission models onto one, including the reasoning needed to show that a migration preserves a customer's access boundaries. The team works closely with identity, storage, and analytics teams across AWS.

Basic Qualifications

6+ years of building machine learning models for business application experience
PhD, or Master's degree and 6+ years of applied research experience
Experience programming in Java, C++, Python or related language
Experience with neural deep learning methods and machine learning

Preferred Qualifications

Experience with modeling tools such as R, scikit-learn, Spark MLLib, MxNet, Tensorflow, numpy, scipy etc.
Experience with large scale distributed systems such as Hadoop, Spark etc.

Amazon is an equal opportunity employer and does not discriminate on the basis of protected veteran status, disability, or other legally protected status.

Our inclusive culture empowers Amazonians to deliver the best results for our customers. If you have a disability and need a workplace accommodation or adjustment during the application and hiring process, including support for the interview or onboarding process, please visit https://amazon.jobs/content/en/how-we-hire/accommodations for more information. If the country/region you’re applying in isn’t listed, please contact your Recruiting Partner.

The base salary range for this position is listed below. As a total compensation company, Amazon's package may include other elements such as sign-on payments and restricted stock units (RSUs). Final compensation will be determined based on factors including experience, qualifications, and location. Amazon offers comprehensive benefits including health insurance (medical, dental, vision, prescription, basic life & AD&D insurance), Registered Retirement Savings Plan (RRSP), Deferred Profit Sharing Plan (DPSP), paid time off, and other resources to improve health and well-being. We thank all applicants for their interest, however only those interviewed will be advised as to hiring status.

CAN, BC, Vancouver - 195,900.00 - 327,200.00 CAD annually

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More about this job

Responsibilities

Design and formally specify expressive, explainable, and testable permissions models for AWS's data catalog, and ensure authorization decisions remain correct, efficient, and aligned with customer intent as policies and resources change. Lead complex scientific components, build cross-team consensus, influence strategy, and advance research in data security, governance, programming languages, and automated reasoning.

Requirements

Requires a PhD, or a master's degree plus at least six years of applied research experience, along with at least six years of experience building machine-learning models for business applications. Candidates must have programming experience in Java, C++, Python, or a related language, and experience with neural deep-learning methods and machine learning; experience with modeling tools and large-scale distributed systems is preferred.

Skills

Formal Methods
Programming Languages
Automated Reasoning
Data Security
Data Governance
Permissions Modeling
Formal Semantics
Policy Evaluation
Machine Learning
Deep Learning
Large Language Models
Multi-Agent Workflows
Java
C++
Python
Distributed Systems

Benefits

Health Insurance
Dental Insurance
Vision Insurance
Prescription Insurance
Basic Life Insurance
Accidental Death And Dismemberment Insurance
Deferred Profit Sharing Plan
Paid Time Off
Sign-On Payments
Restricted Stock Units

Visa sponsorship

Not detected in the job text

Keywords

AWS Data Catalog
Formal Methods
Programming Languages
Automated Reasoning
Data Security
Data Governance
Permissions Models
Formal Semantics
Authorization
Policy Evaluation
Access Control
Machine Learning
Neural Deep Learning
Large Language Models
Multi-Agent Workflows
Structured Guardrails
Java
C++
Python
R
Scikit-Learn
Spark MLLib
MXNet
TensorFlow
NumPy
SciPy
Hadoop
Spark
Distributed Systems
Policy Migration

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