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2,938 knowledge engineer jobs at 1,030 companies in Washington, DC

3mo
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Knowledge Engineer
Columbia, Maryland, United States
$80k-$165k/yr RemoteFull Time
Crown Point Technologies
Crown Point Technologies: Provides data engineering and software development for government and commercial clients.
3+ YOEUS work authorization without sponsorship; BS or MS in CS/Data; 3-7 years semantic tech; ontology tools/graph DB; pharma/life sciences or regulated env a plus; Python a plus.
Protégé, Graph Studio, Neo4j, Stardog, RDF, OWL, SPARQL, Python
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Knowledge Engineer Specialist
Houston or Milwaukee or Dallas or Columbus or Cincinnati or New York or Cleveland or Austin or Albany or Chicago or St. Petersburg or Hartford or Pittsburgh or St. Louis or Miami or Sacramento or Raleigh or Minneapolis or Mountain View or Scottsdale or Morristown or San Francisco or Boston or Denver or Philadelphia or Overland Park or Los Angeles or Charlotte or Seattle or Carmel or Arlington or Atlanta or Beaverton or Nashville or Detroit or San Diego
$54k-$206k/yr HybridFull Time
Accenture
AccentureNYSE: ACN: Global provider of management consulting and technology services.
2+ YOEBachelor's degree or equivalent experience; minimum 2 years experience in knowledge graph technologies, schema/ontology design, or graph-based solutions; experience with data pipelines and databases; ability to lead teams and work with clients.
RDF, SPARQL, LPG, SHACL, Stardog, Neo4J, Amazon Neptune, AWS, Azure, GCP, Python, Tensorflow, PyTorch, Apache NiFi, Airflow, LLM
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Knowledge Engineer -Generative AI Platform and Cortex
Herndon, Virginia, United States
$135k-$216k/yr OnsiteFull Time
Peraton
Peraton: Provides advanced technology and mission support for government agencies.
8+ YOEBachelor's in related field (Master's preferred), 8+ years in knowledge engineering/ontology/taxonomy/knowledge-graph curation, data stewardship, SQL and Python proficiency, governance experience, and ability to obtain required US security clearances.
SQL, Python, RDF, OWL, SKOS, SHACL, property graphs, Cypher, Gremlin, SPARQL, Neo4j, Kuzu, Amazon Neptune, TigerGraph, Collibra, Alation, Atlan, DataHub, Apache Atlas, large language models (LLMs), retrieval-augmented generation (RAG)
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Knowledge Engineer -Generative AI Platform and Cortex
Herndon, Virginia, United States
$135k-$216k/yr OnsiteFull Time
Peraton
Peraton: National security and mission-critical government technology services provider.
8+ YOEBachelor's in a relevant field (Master's preferred), 8+ years knowledge-engineering experience, ontology/taxonomy and knowledge-graph curation, data governance, SQL and Python proficiency, strong communication, and US citizenship with ability to obtain security clearances.
SQL, Python, RDF, OWL, SKOS, SHACL, property graphs, Cypher, Gremlin, SPARQL, Neo4j, Kuzu, Amazon Neptune, TigerGraph, Collibra, Alation, Atlan, DataHub, Apache Atlas, Retrieval-Augmented Generation (RAG), large language models
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Knowledge Management Development Engineer
Arlington, Virginia, United States
OnsiteFull Time
Goldbelt Taku Health Services
Goldbelt Taku Health Services: Provides medical staffing and health operational support for government agencies.
5+ YOE5–10+ years in knowledge management or information management; bachelor’s (master’s preferred); SECRET clearance; experience with Army 365; dashboards/data visualizations.
SharePoint, Teams, Power BI
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Knowledge Management Development Engineer
Arlington, Virginia, United States
OnsiteFull Time
Goldbelt
Goldbelt: Alaska Native providing government contracting and technology solutions.
5+ YOEBachelor's degree (Master's preferred) in Knowledge Management, Information Systems, Business, or related field; 5–10+ years KM experience; Army 365 tools experience; dashboards and data visualization; SECRET clearance
Army 365 tools, SharePoint, Teams, Power BI
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Knowledge Management Development Engineer
Arlington, Virginia, United States
OnsiteFull Time
Goldbelt
Goldbelt: Provides government contracting, tourism operations, and marine transportation services.
5+ YOEBachelor’s degree (Master’s preferred) in KM, Information Systems, Business, or related field; 5–10+ years in knowledge management or data integration; Army 365 tools experience; dashboards/data visualization; SECRET clearance.
SharePoint, Teams, Power BI, Army 365
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Lead Knowledge Graph Engineer (All levels Software Engineer)
Chantilly, Virginia, United States
OnsiteFull Time
Redwire
RedwireNYSE: RDW: Manufactures infrastructure and hardware components for diverse space missions.
1+ YOEDesign and scale knowledge‑graph infrastructure; build high‑throughput backend services in Python/C++/Rust; API design (REST/GraphQL/gRPC); PostgreSQL and Neo4j experience; security eligibility for U.S. government clearances.
Python, C++, Rust, REST, GraphQL, gRPC, PostgreSQL, Neo4j, SOAP
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2w
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Knowledge Graph Software Engineer - Clearance Required
Herndon, Virginia, United States
$126k-$248k/yr OnsiteFull Time
BTI360
BTI360: Develops software and AI solutions for national security customers.
Active Secret (or higher) clearance or ability to obtain; experience with graph databases (Amazon Neptune, Neo4j), Java/Spring Boot, CI/CD (AWS CodeBuild, Jenkins, GitLab CI, GitHub Actions), Git, AWS cloud, testing (JUnit, Mockito), REST/HTTP; must reside within 2-hour drive of Herndon, VA.
Amazon Neptune, Neo4j, Git, AWS CodeBuild, Jenkins, GitLab CI, GitHub Actions, AWS, Java, Spring, Spring Boot, JUnit, Mockito, REST, HTTP, Prometheus, Grafana, CloudWatch, ELK, EFK, OpenSearch, Elasticsearch, Solr, SNS, SQS, Kafka, Kinesis, AWS Step Functions, Event Bridge, Terraform, Python, Node.js, C#, Bash, PowerShell, OpenTelemetry, Splunk
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Knowledge Management Specialist
Washington, District of Columbia, United States
OnsiteFull Time
J5 Consulting
J5 Consulting: Provides specialized cybersecurity and technical services to government and commercial clients.
Experience in cyber security engineering, knowledge management, and tool development for data collection and analysis. Ability to design and maintain information systems and metadata for taxonomies and search.
Cybersecurity tools, Information systems, Metadata and taxonomy tools, Search tools, Threat detection tools, AWS (Desirable)
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Principal Knowledge & Data Architect
Chevy Chase, Maryland, United States
$175k-$284k/yr HybridFull Time
Howard Hughes Medical Institute
Howard Hughes Medical Institute: Conducts biomedical research and funds scientific education and discovery.
8+ YOEBachelor's degree or equivalent, 8+ years in data engineering/IR/applied ML with 3+ years in production knowledge management; production RAG, knowledge graphs, entity resolution, Python, SQL, vector DBs, and data modeling experience.
Python, SQL, Postgres, pgvector, Pinecone, Weaviate, Qdrant, Neo4j, AWS Neptune, JanusGraph, TigerGraph, Stardog, Cypher, SPARQL, Gremlin, Databricks, dbt, RDFS, OWL, SKOS
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2w
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Associate Director of Artificial Intelligence – Knowledge Transformation
New York or Washington or Boston or Los Angeles or San Francisco
$300k-$400k/yr HybridFull Time
Latham & Watkins
Latham & Watkins: Global law firm providing legal counsel to businesses.
10+ YOE10+ years in knowledge management, legal technology, or legal practice; management experience; expertise in taxonomy, metadata, and knowledge engineering; transactional legal practice experience preferred; bachelor’s (preferred) and JD (preferred).
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Junior Engineer
Indian Head, Maryland, United States
$100k-$120k/yr OnsiteFull Time
Altus Technology Solutions
Altus Technology Solutions: Providing technical engineering and IT services to government agencies.
1+ YOEBachelor's in engineering, active DoD SECRET clearance, minimum 1 year engineering experience, knowledge of engineering principles, strong analytical and communication skills.
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Associate Director of Artificial Intelligence – Knowledge Transformation
New York City or Boston or Washington, D.C. or San Francisco or Redwood City or Los Angeles
$300k-$400k/yr HybridFull Time
Latham & Watkins
Latham & Watkins: Global law firm providing comprehensive legal and advisory services.
10+ YOE10+ years in knowledge management, legal technology, or legal practice with management experience; expertise in taxonomy and knowledge engineering; transactional legal practice experience; bachelor\u000fs preferred and JD preferred.
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ENGINEER - MID LEVEL
Washington, District of Columbia, United States
OnsiteFull Time
Engineering Services Network
Engineering Services Network: Defense contractor specializing in naval combat systems engineering.
Mid-to-senior engineer with Navy combat systems experience and DoD/system engineering knowledge.
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2mo
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Sr Engineer
Kennett Square or Oakbrook Terrace or Washington or Philadelphia or Newark or Baltimore
$103k-$155k/yr HybridFull Time
ComEd
ComEdNASDAQ: EXC: Distributes electricity to customers across northern Illinois.
7+ YOEBachelor's in Engineering or PE license; 7+ years engineering experience; advanced knowledge of electrical/mechanical systems, codes, and problem-solving; mentoring and project leadership experience.
CYMDIST, PSS\\E, Python, PLS-CAD, Pole Foreman, Power BI, TARA, PSSE Tools
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Engineer II
Williamsburg or Alexandria
$85k-$95k/yr OnsiteFull Time
PCCI
PCCI: Providing specialized engineering and environmental solutions for maritime operations.
2+ YOEBachelor's in Mechanical or Marine Engineering, 2+ years engineering experience, proficiency with SolidEdge or SolidWorks, knowledge of structural analysis, experience with load-carrying devices and hydraulic systems; FE desired.
SolidEdge, SolidWorks
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Industrial Engineer
North Baltimore, Maryland, United States
OnsiteFull Time
CSP
CSP: Manufacturer of lightweight composite components for the transportation industry.
Bachelor’s in Engineering or related field; internship or experience in manufacturing; knowledge of industrial engineering techniques; proficient with MS Office.
Microsoft Excel, Microsoft Access, Microsoft Project, Microsoft Word, Microsoft PowerPoint
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Engineer II
Washington, District of Columbia, United States
$115k-$150k/yr HybridFull Time
VISTA Technology Services
VISTA Technology Services: Provides technical services for government and defense agencies.
5+ YOEBachelor's in engineering or scientific discipline,5+ years naval systems engineering experience,active DoD Secret clearance,experience with robotics/autonomy and software baselines,advanced Microsoft Excel,knowledge of Navy acquisition.
Microsoft Excel
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2w
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Sr Engineer
Kennett Square or Oakbrook Terrace or Washington or Philadelphia or Newark or Baltimore
$103k-$142k/yr HybridFull Time
Exelon
ExelonNASDAQ: EXC: Electric utility holding delivering energy to customers.
7+ YOEBS in Engineering or PE license, 7+ years engineering experience, advanced problem-solving, knowledge of electrical/gas utility systems, ability to lead projects and mentor staff; master's/PE/EIT/PM certification preferred.
CYMDIST, PSS\\E, PSSE, Python, PLS-CAD, Pole Foreman, Power BI, TARA, PSSE Tools
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