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Added 11 mins ago
Database Platform Engineer
AppDirect
Montreal, QC
The Data Platform team supports 80+ data stores across the organization and operates against four quality pillars: resiliency and capacity, security, operational excellence, and performance…
Added 26 mins ago
HC
Clinical Research Site Manager - Toronto
Health Careers Canada
Mississauga, ON
- Full-time
The Clinical Operations Asset Lead is the single point of accountability for clinical operations delivery across the full asset lifecycle. Representing Global Clinical Operations at the…
Added 26 mins ago
Solution Engineer
Diligent Corporation
Vancouver, BC
Diligent created the modern governance movement. Our world-changing idea is to empower leaders with the technology, insights and connections they need to drive greater impact and…
Added 1 hour ago
R
ASPIRE Sustain Product Development Lead
Roche
Mississauga, ON
- Full-time
We are seeking an ASPIRE Product Development Lead (Product Area Manager) to serve as the senior content authority for the Product Area. Working as part of the Product Area Troika alongside…
Added 2 hours ago
CO
Manager, Digital Solutions
City of Saint John
Saint John, NB
- Full-time
…the City’s enterprise applications, digital solutions, and data and information management functions. This role ensures that corporate systems - including major enterprise systems and other…
Added 2 hours ago
CO
Application & Integration Technical Analyst
City of Saint John
Saint John, NB
- Full-time
Under the direction of the designated IT Manager, the Application and Integration Technical Analyst is a technical lead responsible for system architecture, data strategy, and integration…
Added 2 hours ago
CO
Director, Health, Safety, & Organizational Resilience
City of Saint John
Saint John, NB
- Full-time
The Director will lead organizational change and influence leaders at all levels of the organization to embed safety, risk management, prevention, and employee well-being into strategic and…
Added 2 hours ago
ES
Lead AI Engineer - TCO Agent Platform
EPAM Systems
Canada
- Full-time
As the Lead AI Engineer for our next-generation TCO Agent Platform, you will serve as the technical lead and multi-agent system architect for a greenfield, proactive FinOps AI platform. You…
Added 3 hours ago
ES
Senior AI/ML Delivery Manager
EPAM Systems
Toronto, ON
- Full-time
Drive AI Transformation: Advise on AI adoption strategy and lead the AI SDLC operating model design, covering tooling, governance, and developer workflow transformation for a regulated…
Added 3 hours ago
S1
Technical Deployment Manager
Signal 1
Toronto, ON
- Full-time
Working technical fluency: comfortable in conversations about integrations, data flows, and governance/vetting workflows, without needing to write code
Added 3 hours ago
L
Senior Technology Manager - Security Engineering and Architecture
lululemon
Vancouver, BC
- Full-time
…technology solutions across a rapidly evolving enterprise. You will lead a multidisciplinary team of security architects and engineers responsible for Security Architecture, Endpoint…
Added 3 hours ago
MC
Senior Product Manager
MatchBox Consulting Group
Vancouver, BC
- Contract
Define and lead the product vision, strategy, roadmap, and evolution of the Content Ecosystem, including content operations, creative workflows, digital asset management, product content,…
Added 3 hours ago
SM
GOAPRDJP000001045 – Project Manager (IT) – Senior
S M Software Solutions Inc
AB · Edmonton, AB
- Internship
Lead training, adoption, and change management in coordination with ministry stakeholders and AI champions.
Added 3 hours ago
Regulatory Policy Advisor
Hydro One Networks Inc
Toronto, ON
…regulatory policy developments in Ontario- Supporting overall governance of Strategic Policy Committee (SPC) work, including Monitoring and reporting on internal policy development…
Added 6 hours ago
SM
GOAPRDJP000001045 – Project Manager (IT) – Senior
S M Software Solutions Inc
AB · Edmonton, AB
- Internship
Lead training, adoption, and change management in coordination with ministry stakeholders and AI champions.
Added 6 hours ago
C
Expert Integrated Talent Management (12 Month Contract)
CN
Montreal, QC · Greater Montreal Metropolitan Area
- Contract
Maintain data integrity and governance within talent management systems and processes
Added 6 hours ago
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Human Resources Manager
JDass Corp
Maple, ON
- Full-time
Lead requirements gathering, system configuration, data migration, testing, user training, and rollout.
Added 8 hours ago
GT
Project Coordinator - Financials
Global Technical Talent, an Inc. 5000 Company
Toronto, ON
- $55 CAD / hour
- Contract
We are seeking a highly organized, proactive, and detail-oriented professional to support project financial governance, operational governance, coordination, lead process development and…
Added 8 hours ago
CO
Director, Health, Safety, & Organizational Resilience
City of Saint John
Saint John, NB
- Full-time
The Director will lead organizational change and influence leaders at all levels of the organization to embed safety, risk management, prevention, and employee well-being into strategic and…
Added 8 hours ago
UO
Assistant Registrar
University of Niagara Falls Canada
Niagara Falls, ON
- $90,000 to $120,000 CAD / year
- Full-time
Implement and monitor service standards and quality checks for schedule accuracy, data integrity between the student information system and scheduling/curriculum platforms, and…
Added 8 hours ago
HT
Trade Compliance Program Manager
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 8 hours ago
HT
Master Data Mgmt Analyst
Husky Technologies
Bolton, ON
- Full-time
Process master data requests in accordance with data governance policies and guidelines, within the defined service level agreements
Added 8 hours ago
C
Analyst, Corporate Strategy-EN
CAE
Montreal, QC · Greater Montreal Metropolitan Area
- Full-time
…essential. Our enterprise functions don’t just support; they lead, playing a critical role in shaping the company’s path forward and ensuring both clients and employees are ready for the…
Added 8 hours ago
RT
Information Technology Product Manager
Rang Technologies Inc
Toronto, ON
- $95 to $100 CAD / hour
- Contract
Lead application design efforts with a focus on usability and operational simplicity.
Added 8 hours ago
M
Information Technology Product Manager
Mindlance
Toronto, ON
- $80 to $85 CAD / hour
- Contract
Lead application design efforts with a focus on usability and operational simplicity.

Amazon Science

Sr. Applied Scientist - AWS Catalog, AWS Catalog

Vancouver, BC, Canada

Full-time

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Applications open in a new tab.

Job details

Job type: Full-time
Apply by: Nov 2, 2026
Posting language: English
Posted: Oct 11, 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 deliver the permissions language, formal semantics, and authorization systems for AWS's data catalog, ensuring policies are correct, explainable, efficient, and preserve customer access boundaries as data and schemas evolve. Lead complex scientific work, build cross-team consensus, improve system efficiency and consistency, and advance research through publications and talks.

Requirements

Requires a PhD, or a master's degree with at least six years of applied research experience, plus 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 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 Analysis
Machine Learning
Neural Deep Learning
Large Language Models
Multi-Agent Workflows
Java
C++
Python
Distributed Systems

Benefits

Health Insurance
Dental Insurance
Vision Insurance
Prescription Coverage
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 Model
Formal Semantics
Authorization
Policy Evaluation
Policy Migration
Access Control
Column-Level Permissions
Row-Level Permissions
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

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