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Contract Knowledge Graph Software Engineer Jobs in Washington

Geico

Staff Software Engineer (HYBRID)

Bethesda, MD · On-site

GEICO is seeking an experienced Staff Software Engineer to join our Knowledge Graph and Content Generation engineering group. This is a high-impact team focused on scaling GEICO's intelligent content ...

GEICO

Staff Software Engineer (HYBRID)

Bethesda, MD · On-site

GEICO is seeking an experienced Staff Software Engineer to join our Knowledge Graph and Content Generation engineering group. This is a high-impact team focused on scaling GEICO's intelligent content ...

Peraton

Senior Data Engineer - Knowledge Graphs

Herndon, VA

$117.70K - $141.40K/yr

Partner with AI/ML, platform, and software engineering teams to ensure graph and semantic data ... and contract considerations. Depending on the position, employees may be eligible for overtime ...

Peraton

Senior Data Engineer - Knowledge Graphs

Herndon, VA

$117.70K - $141.40K/yr

Partner with AI/ML, platform, and software engineering teams to ensure graph and semantic data ... and contract considerations. Depending on the position, employees may be eligible for overtime ...

Peraton

Senior Data Engineer - Knowledge Graphs

Reston, VA

$119.10K - $143K/yr

Partner with AI/ML, platform, and software engineering teams to ensure graph and semantic data ... and contract considerations. Depending on the position, employees may be eligible for overtime ...

Peraton

Senior Data Engineer - Knowledge Graphs

Reston, VA · On-site

$119.10K - $143K/yr

Partner with AI/ML, platform, and software engineering teams to ensure graph and semantic data ... and contract considerations. Depending on the position, employees may be eligible for overtime ...

Peraton

Senior Data Engineer - Knowledge Graphs

Reston, VA · On-site

$110.30K - $149.80K/yr

Partner with AI/ML, platform, and software engineering teams to ensure graph and semantic data ... and contract considerations. Depending on the position, employees may be eligible for overtime ...

Peraton

Senior Data Engineer - Knowledge Graphs

Herndon, VA

$109K - $148.10K/yr

Partner with AI/ML, platform, and software engineering teams to ensure graph and semantic data ... and contract considerations. Depending on the position, employees may be eligible for overtime ...

Peraton

Knowledge Base Engineer

Annapolis Junction, MD · On-site

$104K - $166K/yr

Collaborate with Knowledge Graph Engineers on knowledge base-to-knowledge graph integration ... and contract considerations. Depending on the position, employees may be eligible for overtime ...

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Contract Knowledge Graph Software Engineer information

What are the key skills and qualifications needed to thrive as a Contract Knowledge Graph Software Engineer, and why are they important?

To thrive as a Contract Knowledge Graph Software Engineer, you need a strong background in computer science, proficiency in graph databases (such as Neo4j or Amazon Neptune), and experience with knowledge representation and data modeling. Familiarity with programming languages like Python or Java, as well as tools for semantic web technologies (RDF, SPARQL), is typically required. Strong problem-solving skills, adaptability, and effective collaboration are essential soft skills in this role. These competencies ensure efficient design and implementation of complex knowledge graphs, enabling organizations to unlock valuable insights from their data.

How does a Contract Knowledge Graph Software Engineer typically collaborate with data scientists and domain experts during a project?

As a Contract Knowledge Graph Software Engineer, you’ll often work closely with data scientists and domain experts to ensure that the knowledge graph accurately represents the underlying data and business logic. Collaboration usually involves regular meetings to clarify requirements, discuss data models, and review results. You may be tasked with translating complex domain concepts into graph structures, while also providing feedback on data quality and integration challenges. This cross-functional teamwork ensures that the final product meets both technical standards and business needs.

What is a Contract Knowledge Graph Software Engineer?

A Contract Knowledge Graph Software Engineer is a professional who specializes in designing, developing, and maintaining knowledge graphs on a contract basis. Knowledge graphs are data structures that represent relationships between entities, enabling more effective data integration and semantic search. These engineers often work with graph databases, semantic web technologies, and ontologies to help organizations manage and leverage complex data. Their contract role means they are typically hired for specific projects or fixed periods rather than as permanent employees.

What is the difference between Contract Knowledge Graph Software Engineer vs Contract Data Engineer?

AspectContract Knowledge Graph Software EngineerContract Data Engineer
Required CredentialsBachelor's in CS or related, knowledge of graph databases, programming skillsBachelor's in CS, experience with data pipelines, SQL, and cloud platforms
Work EnvironmentTech companies, consulting firms, project-based rolesData-focused teams, cloud environments, analytics projects
Industry UsageAI, semantic web, knowledge managementData warehousing, big data, analytics

The Contract Knowledge Graph Software Engineer primarily focuses on developing and maintaining knowledge graphs using graph databases and semantic technologies, while the Contract Data Engineer concentrates on building data pipelines, managing large datasets, and supporting analytics. Both roles require strong programming skills and are often found in tech-driven industries, but they serve different core functions within data and knowledge management ecosystems.

What are the most commonly searched types of Knowledge Graph Software Engineer jobs in Washington? The most popular types of Knowledge Graph Software Engineer jobs in Washington are:
What cities in Washington are hiring for Contract Knowledge Graph Software Engineer jobs? Cities in Washington with the most Contract Knowledge Graph Software Engineer job openings:
Contract Knowledge Graph Software Engineer jobs near you
Knowledge Graph/Ontology Engineer

Knowledge Graph/Ontology Engineer

Peraton

Annapolis Junction, MD

$104K - $166K/yr

Other

Posted 13 days ago

Peraton rating

8.3

Company rating: 8.3 out of 10

Based on 52 frontline employees who took The Breakroom Quiz

37th of 203 rated it services

Job description


Knowledge Graph/Ontology Engineer
Job Locations
US-MD-Annapolis Junction | US-NJ-Basking Ridge
Requisition ID
2026-166757
Position Category
Information Technology
Clearance
Secret
Responsibilities

Peraton Labs is seeking a knowledge graph engineer to extend and maintain the knowledge graph that underpins a generative AI-powered analytical platform. This role models entities and their relationships, enabling cross-portfolio queries, entity linking, and relationship-based analytics that connect elements into a navigable knowledge structure.

Key Responsibilities

    Design and implement ontologies for various entities
  • Extend the knowledge graph with entity types and relationship models
  • Build entity extraction and linking pipelines that populate the knowledge graph from both structured and unstructured sources
  • Enable cross-portfolio queries
  • Develop SPARQL query templates and APIs for common analytical patterns
  • Implement knowledge graph quality assurance: consistency checks, completeness monitoring, and conflict resolution
  • Design the knowledge graph update pipeline for incremental data ingestion
  • Collaborate with NLP Engineers on entity resolution and with Data Fusion Engineers on relationship validation

Qualifications

Required Qualifications

  • Minimum of 8+ years of experience with a Bachelor's degree, 6+ years with a Master's degree, or 3+ years with a PhD in Computer Science, Information Science, or related field
  • 3+ years of experience with knowledge representation, ontology engineering, or graph databases
  • Proficiency with RDF, OWL, SPARQL, and semantic web technologies
  • Experience with graph databases (Oxigraph, Blazegraph, Neo4j, or similar)
  • Strong Python proficiency; experience with RDF libraries (rdflib, or similar)
  • Understanding of ontology design patterns and best practices
  • Experience with entity resolution and knowledge base population
  • Familiarity with linked data principles and standards
  • US Citizenship with the ability to obtain/maintain a Secret clearance

Preferred Qualifications

  • Experience with defense or government ontologies (DoD Architecture Framework, NIEM)
  • Experience with knowledge graph embedding and graph neural networks
  • Knowledge of provenance tracking and data lineage in knowledge graphs

Peraton Overview

Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world's leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Peraton operates at the critical nexus between traditional and nontraditional threats across all domains: land, sea, space, air, and cyberspace. The company serves as a valued partner to essential government agencies and supports every branch of the U.S. armed forces. Each day, our employees do the can't be done by solving the most daunting challenges facing our customers. Visit peraton.com to learn how we're keeping people around the world safe and secure.

Target Salary Range
$104,000 - $166,000. This represents the typical salary range for this position. Salary is determined by various factors, including but not limited to, the scope and responsibilities of the position, the individual's experience, education, knowledge, skills, and competencies, as well as geographic location and business and contract considerations. Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay.
EEO
EEO: Equal opportunity employer, including disability and protected veterans, or other characteristics protected by law.

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About Peraton

Sourced by ZipRecruiter

At Peraton, we re at the forefront of delivering the next big thing every day. We re the partner of choice to help solve some of the world s most daunting challenges, delivering bold, new solutions to keep people around the world safer and more secure.

Industry

It services

Company size

10,000+ Employees

Headquarters location

Herndon, VA, US

Year founded

2017

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