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Experienced Data Scientist - Semantic Web

CACI International

CACI International

Data Science
USD 98,500-206,800 / year
Posted on Sep 18, 2025
Experienced Data Scientist – Semantic WebJob Category: ScienceTime Type: Full timeMinimum Clearance Required to Start: NoneEmployee Type: RegularPercentage of Travel Required: Up to 10%Type of Travel: Continental US* * *

The Opportunity:
CACI helps the Air Force Research Laboratory explore, prototype, and demonstrate new technologies, enabling the Air Force to maintain its technological advantage. We are seeking an experienced Semantic Web Data Scientist to help us research and develop advanced semantic data management techniques.

Responsibilities:
As an experienced Data Scientist, you will:

  • Serve as a recognized technical subject matter expert
  • Work closely with our customers to design, model, and prototype software supporting semantic data management
  • Develop software in Python, Java and Bash Script
  • Participate in research, design, and implementation of software to catalog data products, curate data models, and lift data into knowledge graphs
  • Lead the analysis and cataloging of data products, perform data discovery, analysis, and alignment of data into knowledge graphs, and help curate models and queries
  • Write software unit tests and user interface tests as applicable
  • Write technical documentation


Technologies you will use include:

  • Java, Python and Bash Script
  • Structured Query Language (SQL) and SPARQL
  • Data representations, including Resource Description Framework (RDF), and semantic data stores like Virtuoso, GraphDB and Stardog
  • Automated testing tools like Mocha, Ava, JUnit, Selenium, or others
  • Automated build tools like Maven and Gradle
  • SCM and issue tracking tools like Git, GitLab, Jira, etc.



Qualifications:

Required:

  • Ability to obtain and maintain Department of Defense SECRET Security Clearance
  • Ability to work in an office environment, including using computers for long periods of time and communicating with others face-to-face, by telephone, email, or instant messaging
  • Bachelor’s degree in the field of mathematics, computer science, computer engineering, electrical engineering, video game development, related field, or equivalent experience
  • 7 or more years of professional experience as a data scientist or software engineer, or have equivalent education


Desired:

  • Experience with writing data queries in Structured Query Language (SQL) or SPARQL
  • Experience with data representations, such as Resource Description Framework (RDF)
  • Experience with graph data/semantic data stores, such as MarkLogic, Virtuoso, Apache Jena, GraphDB, Amazon Neptune, Stardog, AllegroGraph, or Blazegraph
  • Experience with automated testing tools like Mocha, Ava, JUnit, Selenium, or others
  • Experience with Git / GitLab source code management tools
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What You Can Expect:

A culture of integrity.

At CACI, we place character and innovation at the center of everything we do. As a valued team member, you’ll be part of a high-performing group dedicated to our customer’s missions and driven by a higher purpose – to ensure the safety of our nation.

An environment of trust.

CACI values the unique contributions that every employee brings to our company and our customers - every day. You’ll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality.

A focus on continuous growth.

Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground — in your career and in our legacy.

Your potential is limitless. So is ours.

Learn more about CACI here.

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Pay Range: There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits. Learn more here.

Since this position can be worked in more than one location, the range shown is the national average for the position.

The proposed salary range for this position is:

$98,500-$206,800

CACI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic.