> Markdown version of [/jobs/ext/4543537-senior-system-engineer](https://www.wearedevelopers.com/jobs/ext/4543537-senior-system-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior System Engineer - **Company:** Belay Technologies, Inc - **Location:** Columbia, MD, United States - **Experience:** Expert - **Salary:** $168,000.0 - $240,000.0 - **Contract:** Permanent contract - **Skills:** Systems Engineering, Confluence, JIRA, Signals Intelligence, Cyber Security, Computer Networks, Databases, Data Files, Extract Transform Load (ETL), Data Structures, Database Design, DevOps, Systems Analysis, Online Analytical Processing, Neo4j, Query Optimization, Software Engineering, Web Applications, Gitlab, Git, Atlassian Tools, Vertica - **Published:** November 3, 2026 - **Apply:** https://www.careerbuilder.com/job-details/senior-system-engineer-columbia-md--b07e434e-950b-4429-b19c-f4bfe55a2e2b ## About the Role Systems Engineering, Systems Engineering, Best Practices, Data Collection, Database Technology, Intel Product Family, Resolve Customer Issues, OLAP (OnLine Analytical Processing), Database Design, Neo4j, * 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. Candidates should have the following 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. Candidates are desired to have the following skills: * 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). ## Description Belay Technologies has been voted Baltimore Business Journal's (BBJ) Best Places to Work 2019, runner up in 2020 and a finalist in 2021!Belay Technologies is seeking a Senior Systems Engineer to join our intel team. 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 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.