Data Engineer

The Josef Group; Maryland; On-site; USD 120,000 - 180,000; Full time

Job summary

The Josef Group in Visionist HQ is seeking an experienced Database Architect to own multi-database schema design and governance. You will model data across graph (Neo4j), document (Elastic), and relational (Postgres) platforms to support critical infrastructure queries.

You will collaborate with analytics engineers to optimize performance, ensure data quality, and translate business questions into robust data designs.

Qualifications

• Experience designing schemas for graph, document, and relational databases.
• Strong focus on query optimization and scalable data structures.
• Ability to translate analytical questions into database designs.

Responsibilities

• Design schemas and models in graph (Neo4j), document (Elastic), and relational (Postgres) databases.
• Optimize queries and data structures for performance and scalability.
• Work with analytics engineers to shape how data supports customer missions.
• Implement governance rules to ensure data quality and compliance.

Skills

Graph DB

Document DB

Relational DBs

Schema design

Query optimization

Analytics support

Education

Bachelor's degree or higher

Tools

Neo4j

Elasticsearch

PostgreSQL

Job description

Description: This is a brand new, high-priority project. This team will be responsible for aggregating data sources to create a clear picture of what infrastructure was requested, what infrastructure was deployed, and proactively alert on any discrepancies. The team's application will then be used by subject matter experts to investigate, create, and iterate on best practices and deployment rules. Then, the team will proactively identify and alert when requested or provisioned infrastructure breaks those best practices and rules. This team must interact with many stakeholders from across the organization and iterate as frequently as possible. This role focuses on designing, implementing, and supporting schemas across multiple database technologies to answer specific customer questions about infrastructure.
Responsibilities:

• Design schemas and models in graph (Neo4j), document (Elastic), and relational (Postgres) databases.
• Optimize queries and data structures for performance and scalability.
• Work with analytics engineers to shape how data supports customer missions.
• Implement governance rules to ensure data quality and compliance.

Skills Requirements:

• Proven experience with graph, document, and relational databases.
• Strong background in schema design, query optimization, and analytics support.
• Ability to translate analytical questions into database design solutions.

Nice to Haves:

• Experience analyzing cyber security-related data sets (network traffic, OS events).
• Knowledge of end-to-end SIGINT collection and analysis systems.
• Experience with production CNO capabilities and operations.
• General software engineering skills (devops, web applications, ETL, etc.)
• Familiarity with Git and GitLab.
• Atlassian Tools (Jira, Confluence).

YOE Requirement: 12 yrs, B.S. or 4 additional yrs in place of B.S.
Location: Visionist HQ