Data Engineer - SWE3
Link, LLC
Apply to this job Columbia, MD on site Until 8/21/2026 First posted February 18, 2026 Last posted February 18, 2026
Job description
Responsibilities:
· Design schemas and models in OLAP, graph (Neo4j), and document (Elastic) 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 OLAP, graph, and document 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).
12 yrs, B.S. or 4 additional yrs in place of B.S.
About this role
Summary
Design and optimize database schemas, support analytics, ensure data quality and compliance.
Job title
Data Engineer - SWE3
Experience level
12 yrs, B.S. or 4 additional yrs in place of B.S.
Industry
software
Location requirements
Columbia, MD, on-site; remote not specified
Salary
Not specified
Management role
No
Skills & keywords
Required skills
OLAPgraph databasesElasticschema designquery optimization
Preferred skills
cyber security dataSIGINT systemsCNO capabilitiessoftware engineeringgitgitlabjiraconfluence
Specializations
OLAPgraph databasesElasticschema designquery optimization
Locations
Structured locations inferred from the posting.
Columbia, MD, USA
On-site City