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Added 13 mins ago
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Associate - Economic Substance
Waystone
Waterloo, ON
- Full-time
…With over 25 years’ experience and a comprehensive range of specialist services to its name, Waystone helps our clients structure, operate and grow through our expertise, innovation and…
Added 57 mins ago
NA
Business Support Assistant - CAMHS
NHS Ayrshire & Arran
Saskatoon, SK
- Full-time
NHS Greater Glasgow and Clyde (NHSGGC) is one of the largest healthcare systems in the United Kingdom, employing approximately 40,000 staff across a wide range of clinical and non-clinical…
Added 57 mins ago
NS
Business Support Assistant - CAMHS
NHS Scotland
Saskatoon, SK
- Full-time
NHS Greater Glasgow and Clyde (NHSGGC) is one of the largest healthcare systems in the United Kingdom, employing approximately 40,000 staff across a wide range of clinical and non-clinical…
Added 1 hour ago
AD
Specimen Processor (Overnight- Part-time) (Mississauga, Ontario)
Antech Diagnostics
ON · Mississauga, Ontario
- Part-time
Proficiency in the English language which allows for participation in team meetings, accurate entry of data into company systems and understanding of written directions
Added 1 hour ago
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Mechanical Prototyping Specialist
Veralto Global
London, ON
- $70,000 to $95,000 CAD / year
- Full-time
Reporting to the Manager, Technology Development, the Mechanical Prototyping Specialist supports cross-functional technology-development projects focused on evaluating and integrating UVC…
Added 3 hours ago
AA
Spécialiste des Systèmes d'Atterrissage / Landing Systems Specialist
Airbus Aircraft
Montreal, QC
- Full-time
Added 3 hours ago
NC
Fund and Community Relationship Specialist
Native Child and Family Services of Toronto
Toronto, ON
- $63,275 to $82,559 CAD / year
- Full-time
The Fund and Community Relationship Specialist develops and maintains strong relationships with government, foundation, corporate, and other funders; researches and pursues funding…
Added 3 hours ago
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Senior Electrification Manager - Construction
SYSTRA
Toronto, ON
- Full-time
…railway electrification programmes, including Overhead Contact Systems (OCS/OLE), traction power, substations, distribution systems, interfaces and associated civil and railway…
Added 3 hours ago
RV
Component Engineering Specialist
Ross Video
Ottawa, ON · Nepean, ON
- Full-time
Maintain component libraries, approved vendor lists (AVLs), and documentation within PLM systems
Added 3 hours ago
Energy Specialist
MCW Group of Companies
Toronto, ON
…Management Services, and Engineering Development Services. The systems designed by the MCW Group of Companies are built to deliver energy effectively in the form of lighting, heating and…
Added 4 hours ago
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Marketing & Communications Specialist
CGT
Kelowna, BC
- $65,000 to $75,000 CAD / year
- Full-time
…Tufdek, one of North America’s leading waterproof vinyl decking systems. As a Canadian‑owned company with decades of innovation, Tuff has built a reputation for quality, reliability, and…
Added 4 hours ago
GS
Staff Site Reliability Engineer, Application
Guidewire Software
Toronto, ON
- Full-time
…Staff Site Reliability Engineer, you aren't just maintaining systems; you are defining the technical vision for how we operate at scale, setting the policies, practices, and principles that…
Added 4 hours ago
Civil Engineer
Rogers Communications
Vancouver, BC
…help us deliver on our commitments. As a Civil Engineering Specialist, you bring experience across a wide variety of projects in the telecommunications industry and have a passion for…
Added 4 hours ago
GD
Computer Modeling & Simulation Staff Specialist/Engineer
General Dynamics Land Systems–Canada
London, ON
- Full-time
Computer Modeling & Simulation Staff Specialist/Engineer P55
Added 5 hours ago
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Senior Quality Assurance Specialist - Consultant
Jobgether
Canada
- Full-time
As a Senior Quality Assurance Specialist, you will support quality assurance and regulatory compliance activities for pharmaceutical, medical device, natural health product, and clinical…
Added 5 hours ago
I
Unit Facilities Specialist
IKEA
Richmond, BC
- Full-time
You have technical knowledge, and a minimum of 3 years practical experience, in facility systems; including electrical and lighting, mechanical and HVAC, structural, site, building…
Added 5 hours ago
BT
Cloud Accounting Specialist
Baker Tilly Canada
Guelph, ON
- Full-time
The Cloud Accounting Specialist supports clients through cloud‑based bookkeeping, reporting, and advisory services. The role focuses on accurate financial data, efficient processes, and…
Added 5 hours ago
SC
Senior User Experience Design Specialist
SAP Careers
Montreal, QC
- $108,100 to $222,800 CAD / year
- Full-time
You independently lead end-to-end product design from discovery through delivery, with deep expertise in artificial intelligence (AI) design, interaction systems, and product thinking.
Added 5 hours ago
BC
People & Culture Specialist, Learning & Talent Acquisition
Bissell Centre
AB · Edmonton, AB
- Full-time
Currently, Bissell Centre is looking for a People & Culture Specialist, Learning & Talent Acquisition to join our dedicated People & Culture team as we journey with the Community towards an…
Added 6 hours ago
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Senior Cost Analyst
Worley
Markham, ON
- Full-time
We are currently recruiting for a Project Controls Specialist – Power BI & Cost Control. Our team includes world class experts and dynamic go-getters. This is a full-time position based in…
Added 6 hours ago
DR
Technology Specialist, Networking
Durham Region (The Regional Municipality of Durham)
Whitby, ON
- Temporary
Integrate new systems and technologies into the existing network architecture
Added 6 hours ago
HT
Operations Support Specialist
Hirematic Talent Solutions
Toronto, ON
- $40 to $45 CAD / hour
- Full-time
Systems Administrator / Operations Support Specialist Senior
Added 6 hours ago
FOIRE D’EMPLOI UNIQLO À MONT-ROYAL (le 11 novembre 2026) MONT-ROYAL JOB FAIR
Uniqlo Canada
Montreal, QC
The Store Associate is the customer service specialist of the store. They are responsible for exceeding customer expectations by listening to customer needs, finding products that meet…
Added 6 hours ago
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Specialist I, IT Enterprise GIS Technical Specialist
Enbridge
Calgary, AB · Edmonton, AB · Toronto, ON · North York
- Full-time
…excellence, innovation, and sustainable growth. We are looking for a Specialist I, IT Enterprise GIS Technical Specialist to join our team and provide senior technical leadership for our…
Added 6 hours ago
A
Rental Home Specialist - Leasing & Sales
Avana
Regina, SK
- Full-time
At Avana, leasing is sales. The Rental Home Specialist is responsible for driving occupancy, converting leads into signed leases, and delivering strong leasing performance within a…

Tek Leaders Inc

Ontology/Context Specialist

Toronto, ON, Canada

Contract

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Job details

Job type: Contract
Apply by: Dec 4, 2026
Posting language: English
Posted: Nov 4, 2026

Original job description

Hello,

Please find below JD and let me know your interest with an updated resume here.

Ontology/Context Specialist

TORONTO, Canada- Work from Virtusa Office

6-12 Months Contract

Canada

Note: Client looking Snowflakes Pro Advance

Skill Cluster : Data-Oracle ODI with Python/Scala/Java/.NET, ANSI SQL compliant, Traditional Or Cloud DB, Pipeline orchestration.

Primary Skill : Graphs API, Context Engineering, Business Modelling

Experience : 10 years

Job Description :

Job Requirements p1c3tsts Partner with business subject matter experts to understand data domains and capture key concepts, relationships, and definitions.
Design, maintain, and evolve ontologies, taxonomies, and semantic models aligned to real-world business processes.
Build and manage knowledge graphs that standardize meaning across datasets and systems.• Develop and maintain RDF-based representations and semantic relationships using established semantic web standards.
Ensure semantic models remain consistent, extensible, and understandable as business needs evolve.• Collaborate with data and platform teams to integrate semantic models into data platforms, while publishing and documenting reusable semantic artifacts and best practices What you'll bring to the role:
At least 6 years of professional experience with hands-on work in semantic modelling, knowledge graphs, or ontology development and a Bachelor’s degree or equivalent practical experience
Practical experience designing and applying ontologies or semantic models inreal-world data environments.
Working knowledge of semantic web technologies (e.g., RDF, RDFS, OWL) and modeling complex data relationships. Experience with Knowledge Graph platforms and tooling (e.g., Neo4j) and modern graph-enabled AI approaches such as GraphRAG is a strong plus.
Ability to translate business concepts into structured semantic representations.
Familiarity with Python for data work, automation, or supporting semantic work flows and AI
Strong communication skills, comfort collaborating with technical and non-technical partners
Exposure to one or more of the following areas is a plus: Collibra or other AI/MLDQ solutions
Data Stewardship, metadata management, data lineage, and master data management
Business intelligence tools and automation platforms Semantic models Ontology Knowledge graph Work Experience 7-10Years

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More about this job

Responsibilities

Partner with business experts to define data concepts and relationships, and design and maintain ontologies, taxonomies, semantic models, and knowledge graphs. Integrate semantic models with data platforms and publish reusable semantic artifacts and best practices.

Requirements

Requires hands-on experience in ontology development, semantic modeling, or knowledge graphs, with practical knowledge of RDF, RDFS, OWL, and complex data relationships. A bachelor's degree or equivalent practical experience is specified; Python experience and strong collaboration and communication skills are expected, while Neo4j, GraphRAG, and data governance tools are advantageous.

Skills

Ontology Development
Semantic Modeling
Knowledge Graphs
RDF
RDFS
OWL
Graph APIs
Context Engineering
Business Modeling
Python
GraphRAG
Neo4j
Data Stewardship
Metadata Management
Data Lineage
Master Data Management

Visa sponsorship

Not detected in the job text

Keywords

Ontology
Context Engineering
Business Modeling
Semantic Modeling
Knowledge Graphs
Graph APIs
RDF
RDFS
OWL
GraphRAG
Neo4j
Python
Scala
Java
.NET
ANSI SQL
Oracle Data Integrator
Snowflake
Data Pipelines
Pipeline Orchestration
Data Stewardship
Metadata Management
Data Lineage
Master Data Management
Collibra
AI/ML Data Quality
Business Intelligence
Taxonomies
Semantic Web
Data Platforms

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