This site uses cookies. To find out more, see our Cookies Policy

Database/Semantic Engineer in Falls Church, VA at NOK-KaiHonua

Date Posted: 11/5/2018

Job Snapshot

Job Description

Database/Semantic Engineer

Location:  Falls Church, VA

Job Summary:

KaiHonua, LLC has an immediate opening for a Database/Semantic Engineer to join our rapidly growing team. The Database/Semantic Engineer is responsible for performing database modeling and development, ontology model development and maintenance, as well as conducting analysis and providing recommendations on tools to implement a technical semantic solution.

Essential Duties and Responsibilities: (Not listed in order of importance; other duties may be assigned) and must be able to perform the following with minimal guidance:

  • Understanding and experience in a broad range of database competencies
  • Ideal candidate would have experience developing SQL and SPARQL queries
  • Experience with Microsoft SQL Server highly desired
  • Experience in Semantic Web Stack development highly desired
  • Data modeling to visualize database structure
  • Working with application developers to create optimized queries
  • Develop and maintain the Semantic Data Dictionary or Semantic Model as it relates to the established Data Model
  • Develop and maintain the Data Classification Rules that supports the Semantic Model
  • Analyzes existing data sets, applications, and services for relevancy
  • Develop semantic user interfaces that enable semantic data discovery and reporting; as well as classify, convert, transform, tag, integrate, and aggregate data sets using a semantic approach
  • Work with the Data Architect/Database Administrator to ensure updates to the Data Model are accounted for and integrated in the Semantic Model
  • Provide guidance on proper testing and validation methodology that is in accordance with the technical implementation of an ontology across environments to include testing and validating the semantic model, establishing a versioning strategy in accordance with existing configuration management plan(s), and automating the identification of mapping gaps that may arise as external ontologies are versioned
  • Ability to prioritize and meet deadlines
  • Excellent critical thinking skills

Job Requirements


To perform this job successfully, an individual must be able to perform each essential duty satisfactorily.  The requirements listed below are representative of the knowledge, skill and ability required.  Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions.

  • 3+ years of practical experience minimum
  • Must have an active government security clearance
  • Must possess or be able to obtain discipline specific certifications as required by the contract
  • Understanding and experience in a broad range of database competencies
  • Experience in Semantic Web Stack development a plus
  • Experience assessing impacts of legacy systems and addressing data related problems of system integration and compatibility
  • Experience with utilizing various semantic tools and capabilities and integrating them in to a technical solution is a plus
  • Ability to prioritize and meet deadlines
  • Strong critical thinking skills
  • Self-starter requiring minimal supervision
  • Proficient problem-solving skills
  • Strong verbal communication to effectively express concepts, plans, and proposals
  • Works well in a team environment
  • Enjoys the challenges of dynamic research and development project
  • Must be a US Citizen


Security Clearance:

No Clearance Required



KaiHonua LLC reserves the right to change or modify job duties and assignments at any time.  The above job description is not all encompassing.  Positions functions and qualifications may vary depending on business needs.
KaiHonua LLC is an equal opportunity employer and does not discriminate against applicants based on race, color, creed, religion, medical condition, legally protected genetic information, national origin, sex (including pregnancy, childbirth or related medical condition), sexual orientation, gender identity and expression, age, disability, or Vietnam era, or other eligible veteran status or legally protected characteristics.