Graph Database Engineer

M9 Solutions is seeking aGraph Database Engineer to work hybrid remote/on-site on a government contract for a client located inWashington, DC. An active TS/SCI clearance is required.

Responsibilities

• Design and implement graph data models based on domain requirements.
• Develop efficient graph queries and algorithms to extract insights from connected data.
• Build applications that leverage graph database capabilities for relationship analysis.
• Optimize graph database performance and scalability.
• Collaborate with data engineers to integrate graph databases with other data sources.
• Participate in architectural design discussions for graph-based systems.
• Evaluate and recommend graph technologies based on project requirements.
• Document graph schemas, queries, and application architectures.
• Provide guidance on best practices for graph data modeling and querying.
• Consider performance trade-offs of various graph modeling approaches and contribute to technical decision-making.

Required Skills and Qualifications

• Active Top Secret/SCI security clearance.
• Bachelor's degree and 6+ years of experience or Master's Degree and 4+ years of experience.
• Strong understanding of graph theory concepts including nodes, edges, properties, traversals, and relationship patterns essential for effective graph database design.
• Demonstrated expertise in one or more graph query languages such as Cypher (Neo4j), Gremlin (Apache TinkerPop), SPARQL, or GraphQL for complex data retrieval and manipulation.
• Experience translating business requirements into optimized graph schemas, including property graphs, RDF triples, or knowledge graph ontologies.
• Practical experience applying graph algorithms (e.g., path finding, centrality measures, community detection, similarity calculations) to solve complex analytical problems.
• Experience designing, deploying, and administering production graph database systems with consideration for scalability, availability, and security requirements.
• Understanding of transaction principles in graph databases, including consistency models, isolation levels, and techniques for maintaining data integrity in concurrent environments.
• Experience implementing interactive graph visualization solutions using tools such as D3.js, Gephi, KeyLines, or similar technologies to communicate complex relationships effectively.
• Demonstrated ability to tune graph queries, optimize indexes, leverage caching strategies, and implement database-specific best practices to improve query performance.
• Experience integrating graph databases with other data systems and applications through APIs, ETL pipelines, event streaming, or microservices architectures.
• Proficiency in designing and implementing processes for importing, transforming, and exporting data between various formats and graph database environments, including handling large-scale data sets.

Preferred Qualifications

• Familiarity and experience with the Intelligence Community (IC), and the intel cycle.
• Ability to be on-site 60% of the time at a client SCIF located in Washington, D.C.
• Strong verbal and non-verbal communication skills.
• Strong interpersonal skills, with the ability to work effectively in a team environment and build strong relationships with team members.