Returning Candidate?

Data Modeler- Data Science Librarian

Data Modeler- Data Science Librarian

Job Location 

More information about this job


BLUEHAWK is looking for a Data Science Librarian/ Data Modeler for our contract in Herndon, VA.


Data Modeler will be responsible for development and optimization of the geospatial Metadata Application Profile (MAP) to form the core metadata for content ingest, query and retrieval for a large, complex enterprise search system.  This candidate will be working with the Data Architect to lead the efforts of translating business requirements into conceptual, logical and physical data models using various established metadata standards (NMF, DDMS, Dublin-core, etc.)  Development tasks will include:

  • Creating system logical and physical data models to meet requirements.
  • Applying the Data Modeling Standards, logical and physical Data Naming Conventions appropriate for specific back-end databases.
  • Modifying and enhancing existing system data model with appropriate data types and sizes of data fields.
  • Documenting definitions for all new data model constructs as well as data model enhancements in a standard document.
  • Creating a mapping matrix describing the correlation between the data elements in the two system data models
  • Developing data mappings for reports, to correlate data elements on reports to tables/fields in the underlying physical data model
  • Performing analysis of system data to identify patterns, exceptions and erroneous data
  • Creating high-level process models (activity hierarchy diagrams, data flow diagrams, workflow diagrams, system interface diagrams) to represent business processes for the area under analysis
  • Conducting/attending requirements definition meetings with end users and document system/business requirements
  • Researching and adapting modeling methods from case studies or other proven approaches to integrate new data stores.

In this position, the individual will need to be a self-starter with ability to solve complex problems under minimal supervision; proficient in performing review, design, analysis, new development and modification of logical data models; has the ability to develop an in-depth understanding of the business processes and data at the customer site



Bachelor's degree in Engineering, Computer Science, Library Sciences or appropriate discipline and related technical experience utilizing the required skills listed below:

  • 5+ years of experience with hands-on data modeling expertise with relational databases - both logical and physical data models - including detailed knowledge of normalization techniques, forward-engineering and reverse-engineering techniques
  • Experience in modeling large-scale (100+ entities) relational data models
  • Familiarity with various process modeling techniques (activity hierarchy diagrams, data flow diagrams, sequence diagrams, workflow diagrams, system interface diagrams)
  • Experience with working with technical staff to understand problems with databases and develops specifications to resolve them.
  • Experience performing data analysis of existing metadata profiles and identifying remediation required to conform to standards
  • Experience with troubleshooting techniques to correct database problems and to proactively maintain the health of database systems
  • Advanced knowledge in database design to produce sound logical and physical data models.
  • Advanced knowledge of SQL and noSQL coding techniques to code stored procedures, functions, and views
  • Clearance Level: TS/SCI



Preferred additional skills:

  • Experience with NMF, DDMS, PUBS, Dublin-core, IC, ISM, NTK, data standards
  • Experience performing cross walks between data standards and existing/proposed data models
  • Experience with CSW, WMS, WFS and WCF OGC Services and Open Search Standards
  • Experience with Geoserver and PostgreSQL
  • Experience with No-SQL databases such as SOLR, Elastic Search, IDOL
  • Experience with various Imagery, Raster and Vector Geospatial data formats like CIB, DTED, SRTM, shapefile and Geodatabase
  • Experience with CSW, WMS, WFS and WCF OGC Services and Open Search Standards
  • Experience with Geoserver and PostgreSQL
  • Hands-on experience with NGA geospatial data specifications.
  • Cloud-based systems integration. Including experience deploying applications and services into an Amazon Web Service (AWS) environment.
  • Strong written and oral communication skills.
  • Ability to understand and explain complex information simply and accurately

/Bluehawk, LLC. is an Equal Opportunity/Affirmative Action Employer/


/EOE Minority/Female/Disabled/Veteran/Sexual Orientation/Gender Identity/


Connect With Us!

Not ready to apply? Connect with us for general consideration.