Graph Database Engineer

M9 Solutions is dedicated to providing IT services and solutions to the Federal Government by mobilizing the right people, skills, clearance levels, and technologies to help organizations who desire improved performance and modern, sustainable change. M9 has provided quality IT services and support to more than 30 Federal Agencies and multiple commercial customers nationwide. Our capabilities include digital transformation, software development, cloud migration, applications & infrastructure, cybersecurity, data delivery & analytics, and IT talent solutions.

M9 Solutions is seeking a Graph Database Engineer to work hybrid remote/on-site on a government contract for a client located in Washington, 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.

Full-Time Employee Compensation

• M9 Solutions' pay range for this position is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include, but are not limited to, responsibilities of the position, education, experience, knowledge, skills, abilities, as well as internal equity, location, alignment with market data, applicable bargaining agreement (if any), or other law.
• M9 Benefits -

Salary Range

$60,000 - $180,000 USD

M9 Solutions, LLC (M9) is a Federal contractor and we comply with all applicable federal laws prohibiting discrimination in employment, including Title VII of the Civil Rights Act of 1964. We also adhere to the affirmative action requirements of the Vietnam Era Veterans' Readjustment Assistance Act (VEVRAA) and Section 503 of the Rehabilitation Act, ensuring equal opportunity for veterans and individuals with disabilities. Please click here to complete M9's Voluntary Self-Identification Form and then email it to . If you need accommodation during the application process or encounter difficulties using our website, please contact our Human Resources Department at or .

With 14+ years of proven delivery and steady growth, M9 Solutions is a unique small business with credible past performance and key capabilities offering project management services, solution architects, business analysts, program managers, technical architects, and technical consultants. M9 was recognized as an Inc. 5000 Fastest-Growing Private Companies in 2021, 2020, 2019, 2018, 2017, 2016, and 2012. M9 Solutions believes that work should be fun, rewarding, and something everyone can be excited about. We offer a competitive compensation package and value diversity in driving the vision of the company.

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