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Full Time Ontology Engineer Jobs (NOW HIRING)

Ontology Data Scientist

Arlington, VA · On-site

$77K - $176K/yr

Experience with Databricks and Python for data engineering * Ability to synthesize results and ... Full-time and part-time employees working at least 20 hours a week on a regular basis are eligible ...

Palantir Field Engineer

Washington, DC · On-site

$150 - $185K/hr

McLean, VA (Hybrid) Terms: Full-time Salary: $150-$185k DOE Clearance: Ability to obtain and ... Translate legacy system behavior into ontology objects, links, and actions * Build data integration ...

Palantir Field Engineer

Mclean, VA · On-site

$150 - $185K/hr

McLean, VA (Hybrid) Terms: Full-time Salary: $150-$185k DOE Clearance: Ability to obtain and ... Translate legacy system behavior into ontology objects, links, and actions * Build data integration ...

Lead Architect

New York, NY · On-site

$60.50 - $82.75/hr

Deep hands-on expertise in ontology engineering and semantic modeling. * Strong insurance domain ... Benefits As a full-time employee of the company or as an hourly employee working more than 30 hours ...

Peoria, IL (Onsite) Employment Type: Full-Time /W2 Job Summary We are looking for a highly skilled ... Develop and manage Ontology Models , Object Types, Actions, and semantic layers. * Create ...

Permanent Full Time Location : Strongsville, OH, Dallas, TX, or Pittsburgh, PA. Work Mode : 5 Days ... Define metadata, taxonomy, ontology, chunking, and embedding strategies to improve retrieval ...

Permanent Full Time Location : Strongsville, OH, Dallas, TX, or Pittsburgh, PA. Work Mode : 5 Days ... Define metadata, taxonomy, ontology, chunking, and embedding strategies to improve retrieval ...

Permanent Full Time Location : Strongsville, OH, Dallas, TX, or Pittsburgh, PA. Work Mode : 5 Days ... Define metadata, taxonomy, ontology, chunking, and embedding strategies to improve retrieval ...

Data Engineer (Founding Team)

Bodega Bay, CA · On-site

$135K - $163K/yr

San Francisco Bay Area Type: Full-Time Compensation: Competitive salary + early-stage equity Backed ... ontology ready for model training, vector search, and insight-to-action workflows. We're looking ...

Showing results 21-40

Full Time Ontology Engineer information

See salary details

$36.5K

$107.3K

$137.5K

How much do full time ontology engineer jobs pay per year?

As of Aug 12, 2026, the average yearly pay for full time ontology engineer in the United States is $107,282.00, according to ZipRecruiter salary data. Most workers in this role earn between $88,500.00 and $136,000.00 per year, depending on experience, location, and employer.

What are common challenges faced by full time ontology engineers when integrating ontologies with existing data systems?

Full Time Ontology Engineers often encounter challenges such as aligning new ontologies with legacy data structures, ensuring semantic consistency across diverse data sources, and dealing with incomplete or unstructured data. Collaboration with data architects and domain experts is crucial to accurately map concepts and relationships, and to troubleshoot integration issues. Staying updated with evolving standards and tools in semantic technologies is also important to maintain interoperability and long-term scalability.

What skills and qualifications are needed to thrive as a full time ontology engineer?

To thrive as a Full Time Ontology Engineer, you need a strong background in computer science, knowledge representation, and semantic web technologies, often supported by a degree in a related field. Familiarity with tools and languages such as OWL, RDF, SPARQL, Protégé, and experience with ontology management systems is typically required. Strong analytical thinking, attention to detail, and effective collaboration and communication skills help in designing and maintaining complex ontologies. These skills ensure that data is accurately structured, interoperable, and usable for advanced AI and data integration applications.

What does a full time ontology engineer do?

A Full Time Ontology Engineer is responsible for designing, developing, and maintaining ontologies, which are structured frameworks for organizing information and data. They work to define relationships between concepts within a specific domain, often using languages like OWL or RDF. Ontology Engineers collaborate with subject matter experts, data scientists, and software developers to ensure data is semantically consistent and interoperable across systems. Their work is crucial in fields like artificial intelligence, data integration, and knowledge management.

What is the difference between Full Time Ontology Engineer vs Data Scientist?

AspectFull Time Ontology EngineerData Scientist
Required CredentialsDegree in Computer Science, Knowledge Engineering, or related fields; familiarity with ontology languages like OWLDegree in Data Science, Statistics, or related fields; proficiency in programming and statistical tools
Work EnvironmentResearch labs, AI teams, knowledge management projectsBusiness analytics, data analysis teams, tech companies
Industry UsageAI, semantic web, knowledge managementBusiness intelligence, predictive analytics, machine learning

While both roles involve working with data and knowledge, Full Time Ontology Engineers focus on developing and maintaining formal ontologies for AI and semantic web applications. Data Scientists analyze large datasets to extract insights and build predictive models. The roles overlap in data handling but differ in their core focus and tools used.

More about Full Time Ontology Engineer jobs
What cities are hiring for Full Time Ontology Engineer jobs? Cities with the most Full Time Ontology Engineer job openings:
What are the most commonly searched types of Ontology Engineer jobs? The most popular types of Ontology Engineer jobs are:
What states have the most Full Time Ontology Engineer jobs? States with the most job openings for Full Time Ontology Engineer jobs include:
Infographic showing various Full Time Ontology Engineer job openings in the United States as of August 2026, with employment types broken down into 92% Full Time, 2% Part Time, and 6% Contract. Highlights an 86% Physical, 5% Hybrid, and 9% Remote job distribution, with an average salary of $107,282 per year, or $51.6 per hour.

Ontology Data Scientist

Booz Allen Hamilton

Arlington, VA • On-site

$77K - $176K/yr

Full-time

Medical, Life, Retirement, PTO

Posted 21 days ago


Booz Allen Hamilton rating

8.9

Company rating: 8.9 out of 10

Based on 49 frontline employees who took The Breakroom Quiz

9th of 72 rated business consultants


Job description

Ontology Data Scientist

The Opportunity:

As an Ontology Data Scientist, you're excited at the prospect of unlocking the secrets held by a data set, and you're fascinated by the possibilities presented by IoT, machine learning, and artificial intelligence. In an increasingly connected world, massive amounts of structured and unstructured data open new opportunities. As a data scientist at Booz Allen, you can help turn these complex data sets into useful information to solve global challenges through statistics, coding, and advanced analytics. Across private and public sectors, from fraud detection to cancer research, to national intelligence, we need you to help find the answers in the data.

On our team, you'll use your analytical skills and data science knowledge to create real-world impact. You'll work closely with your clients to understand their questions and needs, and then dig into their data-rich environments to find the pieces of their information puzzle. You'll develop algorithms and systems and use the right combination of tools and frameworks to turn sets of disparate data points into objective answers to help clients make informed decisions. Ultimately, you'll provide a deep understanding of the data, what it all means, and how it can be used.

Work with us as we use data science for good.

Join us. The world can't wait.

You Have:

  • 5+ years of experience in a data science role
  • 2+ years of experience with Palantir Foundry
  • 2+ years of experience with Palantir Foundry AIP for application development
  • 2+ years of experience with Maven Smart Systems
  • 2+ years of experience with Data Connections and Code Repos or Pipeline Builder for data ingestion and transformation
  • 2+ years of experience with Foundry application and workflow development in Workshop and Ontology Manager
  • 2+ years of experience analyzing or managing data, including data visualization, data governance, data strategy, data policy, data integrity, or data engineering
  • Secret clearance
  • Bachelor's degree

Nice If You Have:

  • Experience working with the DoW Staff
  • Experience with SQL for database management and data engineering
  • Experience with Databricks and Python for data engineering
  • Ability to synthesize results and deliver presentations to product owners or stakeholders
  • Ability to learn quickly and adapt to changing organizational processes
  • Top Secret clearance
  • Palantir Foundry Certification such as Ontologize Use Case Engineer or Application Specialist Certification

Clearance:

Applicants selected will be subject to a security investigation and may need to meet eligibility requirements for access to classified information; Secret clearance is required.

Compensation

At Booz Allen, we celebrate your contributions, provide you with opportunities and choices, and support your total well-being. Our offerings include health, life, disability, financial, and retirement benefits, as well as paid leave, professional development, tuition assistance, work-life programs, and dependent care. Our recognition awards program acknowledges employees for exceptional performance and superior demonstration of our values. Full-time and part-time employees working at least 20 hours a week on a regular basis are eligible to participate in Booz Allen's benefit programs. Individuals that do not meet the threshold are only eligible for select offerings, not inclusive of health benefits. We encourage you to learn more about our total benefits by visiting the Resource page on our Careers site and reviewing Our Employee Benefits page.

Salary at Booz Allen is determined by various factors, including but not limited to location, the individual's particular combination of education, knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements. The projected compensation range for this position is $77,600.00 to $176,000.00 (annualized USD). The estimate displayed represents the typical salary range for this position and is just one component of Booz Allen's total compensation package for employees. This posting will close within 90 days from the Posting Date.

Identity Statement

As part of the hiring process, we will ask you to complete an identity verification process that leverages advanced biometrics and artificial intelligence to ensure authenticity and protect against identity fraud. You are expected to be on camera during interviews and assessments. We reserve the right to take your picture to verify your identity and prevent fraud.

Candidate AI Usage Policy

AI is a part of our daily work at Booz Allen, and we are committed to the responsible and ethical use of AI tools. However, we want to ensure a fair candidate process based on your own skills and knowledge. As part of this commitment, the use of artificial intelligence (AI) or other tools to assist with responses during interviews (whether in-person or virtual) is prohibited unless permission is explicitly provided.

Work Model
Our people-first culture prioritizes the benefits of collaboration, whether it occurs in person or virtually. To support engagement and effective communication, employees working virtually are generally expected to have their cameras on during meetings.

  • Remote: If this position is listed as remote, there may still be occasions when you are required to work in person at a Booz Allen or customer facility.

  • Hybrid: If this position is listed as hybrid, you will be expected to work from a Booz Allen facility frequently, in alignment with leadership expectations and the needs of the role. You may also be required to work from or visit a customer facility.

  • Onsite: If this position is listed as onsite, work will primarily be performed at a Booz Allen office or customer facility, where employees will collaborate directly with colleagues and customers as required by the role.

Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to disability, status as a protected veteran or any other status protected by applicable federal, state, local, or international law.


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About Booz Allen Hamilton

Sourced by ZipRecruiter

Booz Allen Hamilton is a leading provider of management and technology consulting services to the US government in defense, intelligence, and civil markets. Headquartered in McLean, Virginia, the firm also serves major corporations, institutions, and not-for-profit organizations. Founded in 1914 by Edwin G. Booz, the company has a long-standing tradition of helping clients achieve success by delivering a wide range of consulting services that include strategic planning, human capital and learning, communication, systems development, and others. The company's mission is to empower people to change the world, and it has a reputation for maintaining the highest standards of integrity and-excellence.

Industry

It services

Company size

10,000+ Employees

Headquarters location

McLean, VA, US

Year founded

1914