Senior Data Systems Engineer: OLAP/Graph/Doc DB

Belay Technologies; Columbia (MD); On-site; USD 168,000 - 240,000; Full time

Benefits offered by this job

Paid leave

401(k) match

Training stipend

Life insurance

Health coverage

HSA

Dental coverage

Job summary

Belay Technologies is seeking a Senior Systems Engineer on a new, high-priority intel project in the Columbia, Maryland area. You will design schemas across OLAP, graph, and document databases, optimize data structures for performance, and collaborate with analytics engineers to support customer missions.

The role focuses on governance, data quality, and cross-team interaction with stakeholders while translating analytical questions into robust database designs.

Qualifications

• 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
• TS/SCI Clearance with polygraph
• 12 yrs, B.S. or 4 additional yrs in place of B.S

Responsibilities

• Design schemas and models in OLAP (Clickhouse), 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

OLAP DBs

Graph DBs

Document DBs

Schema design

Query optimization

Analytics support

CNO capabilities

Education

BS or 4 years in lieu

TS/SCI clearance with polygraph

Tools

Git

GitLab

Jira

Confluence

Job description

Belay Technologies is seeking a Senior Systems Engineer on a new, high-priority intel project in the Columbia, Maryland area. You will design schemas across OLAP, graph, and document databases, optimize data structures for performance, and collaborate with analytics engineers to support customer missions.

The role focuses on governance, data quality, and cross-team interaction with stakeholders while translating analytical questions into robust database designs.