Senior Data Systems Engineer - OLAP/Graph DB Architect

Belay Technologies, Inc.; Columbia (MD); Hybrid; USD 168,000 - 240,000; Full time

Benefits offered by this job

8 weeks paid leave

401(k) matching

Tuition reimbursement

Student loan repayment

Company-funded HSA

Premium medical coverage

Job summary

Belay Technologies, Inc. is seeking a Senior Systems Engineer to join our intel team on a new high-priority project in Columbia, Maryland. You will design schemas across OLAP, graph, and document databases, optimize data architectures, and collaborate with analytics engineers to support DoD customer missions.

The role emphasizes governance, data quality, and scalable solutions, with exposure to diverse data sources and proactive discrepancy detection. TS/SCI clearance is required.

Qualifications

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

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 databases

Graph databases

Document databases

Schema design

Query optimization

Analytics support

Cyber security data analysis

Education

B.S. degree or 12 years of experience

Tools

Git

GitLab

Jira

Confluence

Job description

Belay Technologies, Inc. is seeking a Senior Systems Engineer to join our intel team on a new high-priority project in Columbia, Maryland. You will design schemas across OLAP, graph, and document databases, optimize data architectures, and collaborate with analytics engineers to support DoD customer missions.

The role emphasizes governance, data quality, and scalable solutions, with exposure to diverse data sources and proactive discrepancy detection. TS/SCI clearance is required.