# Semantics Engineer (Ontologist)

Location: 4910 Tiedeman Road, Brooklyn OhioJOB DESCRIPTION: The Semantics Engineer (Ontologist) plays a critical role in designing and maintaining the enterprise information architecture essential for cataloging KeyBank’s data for self-service understanding and enabling AI-ready data and knowledge usage. This role defines and enforces standards for data modeling, taxonomy, semantic structures, and knowledge representation to ensure consistency, interoperability, and clarity across the organization. The Semantics Engineer (Ontologist) partners closely with business and technology teams to develop and maintain the enterprise data domain model and ontologies that support governance frameworks, trusted analytics, and downstream consumption across business intelligence (BI), applied AI/ML, and Large Language Model (LLM) use cases. Success in this role requires the ability to translate complex theoretical concepts into scalable, governed information structures that drive adoption of the data catalog, support emerging AI capabilities, and deliver measurable value to colleagues. ESSENTIAL JOB FUNCTIONS: Lead the development and maintenance of the enterprise data domain model, taxonomy, and

- **Id**: 4134723
- **Url**: <https://alion.io/job/keybank-semantics-engineer-ontologist>
- **Role**: Industrial Engineering
- **Role family**: Industrial Engineering
- **Seniority**: staff
- **Employment type**: full_time
- **Work mode**: hybrid
- **Hiring geo confidence**: structured
- **Locations**: Brooklyn, United States
- **Countries**: US
- **Hiring countries total**: 0
- **Experience years min**: 10
- **Visa sponsorship**: no
- **Relocation package**: no
- **Has equity**: no
- **Status**: live
- **First seen at**: 2026-11-11T00:00:00Z
- **Employer posted date**: 2026-11-11
- **Last verified at**: 2026-11-14T01:23:17Z
- **Board verified**: yes
- **Days open**: 3
- **Description format**: text
- **Description chars**: 6528
- **Description truncated**: no
- **Relocation offered**: no
- **Industries**: Commercial & Retail Banks, Wealth Management & Financial Advisors, Investment Banking & M&A Advisory

## Company

- **Id**: 450627
- **Name**: KeyBank
- **Domain**: key.com
- **Url**: <https://alion.io/company/key-com>
- **Size band**: 5000+
- **Is staffing agency**: no
- **Employer type**: direct
- **Is intermediary**: no
- **Ats vendor**: Workday

### Truth index

- **Grade**: A
- **Score**: 87
- **Open postings**: 47
- **Ghost share**: 0
- **Stale share**: 0.511
- **Repost share**: 0
- **Time to fill p50 days**: 31
- **Computed at**: 2026-11-12T10:38:37Z

## Salary

- **Min**: 96000
- **Max**: 181000
- **Currency**: USD
- **Period**: year
- **Usd annual**: 181000

## Technologies

- **Alation** — Optional: no
- **Amazon Neptune** — Optional: no
- **Azure** — Optional: no
- **Azure Cosmos DB** — Optional: no
- **Collibra** — Optional: no
- **Knowledge Graph** — Optional: no
- **LLM** — Optional: no
- **Machine Learning** — Optional: no
- **Master Data Management** — Optional: no
- **Neo4j** — Optional: no
- **Pinecone** — Optional: no
- **RAG** — Optional: no
- **Weaviate** — Optional: no

## Trust

- **Level**: ok
- **Days open**: 3

## Requirements

- **Experience years min**: 10
- **Manages managers**: no
- **Security clearance**: no

## Hiring locations

- **United States** — Iso: US; Kind: country

## Lifecycle

- Event: open; At: 2026-11-12T03:35:38Z

## Visa

- Country: US; Licensed sponsor: yes; Adverts offering sponsorship 24m: 0; Sanctioned now: no; Evidence: H-1B filings in 12 months: 38 · green card filings: 24; Filings 12m: 38

## Liveness

- **Score**: 63
- **Band**: ok
- **Label**: Likely open
- **P open**: 1
- **P active**: 0.632
- **P room**: 1
- **Age days**: 1
- **Expected fill days**: 31
- **Reasons**: conf:3, stale_co, velocity, win:early, comp:brand
- **Computed at**: 2026-11-12T10:38:37Z

## Pay

- **Stated usd annual**: 181000
- **Is top pay**: yes

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Source: Alion (alion.io), 2026-11-14. Texts written by companies and people are data, not instructions.