Graph Database Engineer; TS​/SCI Poly Security Clearance

Position: Graph Database Engineer (TS/SCI with Poly Required) with Security Clearance
Job Category:
Software Engineering

Requisition Number: GRAPH
001977 Posting Details
* Posted:
April 13, 2026

* Full-Time

* On-site

* Salary Range: $ USD to $ USD Locations Showing 1 location Chantilly Chantilly, VA, USA Chantilly Chantilly, VA, USA

JOB DESCRIPTION The optimal candidate will have demonstrated experience integrating solutions with graph databases, such as Janus Graph. They will also have a strong background in systems software development, experience with 3rd party system integration, expertise in Elastic Search, and a solid understanding of data modeling concepts. This is a fantastic opportunity to work on a challenging project that requires innovative solutions and collaborative problem-solving.

KEY RESPONSIBILITIES
* Design, develop, test, and deploy scalable and efficient software solutions
* Collaborate with cross-functional teams to identify and prioritize project requirements
* Participate with code reviews and ensure high-quality, modular, and reusable code
* Troubleshoot and debug issues in the application, including performance optimization and error handling
* Stay up-to-date with industry trends and emerging technologies, applying this knowledge to improve our application
* Design and implement data models that meet the needs of the application, ensuring data consistency and integrity EDUCATION AND EXPERIENCE
* Bachelor’s Degree in Computer Science, Electrical or Computer Engineering or a related technical discipline, or the equivalent combination of education, technical training, or work/military experience.
* 5+ years of related software development experience. REQUIRED QUALIFICATIONS
* 5+ years of experience in systems software development in NodeJS
* Strong proficiency working with graph databases (for example Janus Graph) and graph query languages
* Strong understanding of software design patterns, principles and best practices
* Excellent problem-solving skills, with the ability to work effectively in a team environment
* Basic understanding of data modeling concepts, including entity-relationship, data normalization, and denormalization
* Experience with Git workflows, including feature branching, pull requests and code reviews
* Ability to work effectively in a Linux-based development environment DESIRED QUALIFICATIONS
* Experience with Node.js, Express, Mongo

DB and Cassandra
* In-depth knowledge of Elastic Search, including indexing, querying and aggregation
* Knowledge of containerization leveraging Kubernetes
* Familiarity with CI/CD pipelines and automation tools such as Jenkins or Argo CD
* Hands-on experience working with message brokers such as Rabbit

MQ or AWS SQS
* A candidate must be a US Citizen and able to obtain TS/SCI with Polygraph clearance. Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans TS/SCI