> Markdown version of [/jobs/ext/659868-principal-senior-principal-database-engineer-ts-sci-clearance](https://www.wearedevelopers.com/jobs/ext/659868-principal-senior-principal-database-engineer-ts-sci-clearance). 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). --- # Principal/Senior Principal Database Engineer (TS/SCI Clearance) - **Company:** SHLD, Inc. - **Location:** Herndon, VA, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Abstraction Layers, Agile Methodology, Amazon Web Services, Software Applications, Big Data, Databases, Relational Databases, Linux, Elasticsearch, Graph Database, Apache Hadoop, PostgreSQL, NoSQL, Performance Tuning, SQL Databases, Database Optimization, Indexer, Data Management - **Published:** June 26, 2026 - **Apply:** https://www.clearancejobs.com/jobs/8997204/principalsenior-principal-database-engineer-tssci-clearance ## About the Role **\*\*\*\*\*MUST HAVE TS/SCI WITH ABILITY TO OBTAIN A CI POLY CLEARANCE\*\*\*\*\*** For Principal Level: Bachelor's degree with 5+ years of relevant experience OR a Master's degree with 3+ years of relevant experience OR A PhD with no experience; an additional 4 years of experience maybe considered in lieu of a degree requirement. For Senior Principal Level: Bachelor's degree with 9+ years of relevant experience OR a Master's degree with 7+ years of relevant experience OR A PhD with 41+ years of relevant experience; an additional 4 years of experience maybe considered in lieu of a degree requirement. The selected candidate will work within a Production Operations team supporting data management processes, database engineering and management, deploying, maintaining, tuning, and enhancing database systems Job Duties: \* Database engineering and management activities associated with high volume, multi-format data management services \* Maintains large-scale data management solutions including developing efficient storage, indexing, and access approaches \* Updates data enterprise architecture models (if needed) and data abstraction layer to enable access to new data sources \* Designs and implements indexing strategies for ingested data. \* Developing a strategy for continuous performance tuning of databases Basic Qualifications: \* Experience with Postgres, SQL, and database performance tuning \* Experience installing application software in an operational environment \* Experience with Agile, AWS, RDBMS technology, Elasticsearch, Linux \* DoD IAT Level II certification \* Active TS/SCI with ability to obtain a poly Preferred Qualifications: \* Familiarity with NoSQL technology (Hadoop and/or EMR) \* Familiarity with Graph database technology \* Data modeling experience Shld, Inc. is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or veteran status, or any other protected class. ## Related Videos - [Leveraging Real time data in FSIs](https://www.wearedevelopers.com/videos/806-leveraging-real-time-data-in-fsis) - [Optimizing Discovery: PostgreSQL's Role in Transforming GetYourGuide's Search](https://www.wearedevelopers.com/videos/1647-optimizing-discovery-postgresql-s-role-in-transforming-getyourguide-s-search) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [How building an industry DBMS differs from building a research one](https://www.wearedevelopers.com/videos/768-how-building-an-industry-dbms-differs-from-building-a-research-one) - [Tomorrow's cloud data platforms - fully managed database-as-a-service (DBaaS)](https://www.wearedevelopers.com/videos/254-tomorrow-s-cloud-data-platforms-fully-managed-database-as-a-service-dbaas) - [NoSQL Data Modeling for Front-end Developers](https://www.wearedevelopers.com/videos/297-nosql-data-modeling-for-front-end-developers) ## Related Articles - [Making Data Warehouses Fast: A Developer’s Story](https://www.wearedevelopers.com/magazine/107-making-data-warehouses-fast-a-developer-s-story) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Data Engineer Salary UK](https://www.wearedevelopers.com/magazine/253-data-engineer-salary-uk) - [Data Analyst Salary in the UK](https://www.wearedevelopers.com/magazine/278-data-analyst-salary-in-the-uk) - [Top Big Data Technologies That You Need to Know](https://www.wearedevelopers.com/magazine/108-top-big-data-technologies-that-you-need-to-know) - [Résumé-Driven Development: How IT trends affect the job market for software developers](https://www.wearedevelopers.com/magazine/59-resume-driven-development-how-it-trends-affect-the-job-market-for-software-developers)