> Markdown version of [/jobs/ext/4284344-principal-database-engineer](https://www.wearedevelopers.com/jobs/ext/4284344-principal-database-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). --- # Principal Database Engineer - **Company:** Envision-Innovative Solutions - **Location:** Annapolis Junction, MD, United States - **Experience:** Expert - **Salary:** $8,000.0 - $16,000.0 - **Contract:** Permanent contract - **Skills:** Domain Controllers, Cloud Computing, Databases, Database Design, Database Schema, Database Storage Structures, Computer Data Storage, Open Database Connectivity, Data Streaming - **Published:** October 31, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9266984/principal-database-engineer ## About the Role * Ten (10) years experience as a DBE in programs and contracts of similar scope, type, and complexity is required. Bachelors degree in a technical discipline from an accredited college or university is required. Five (5) years of additional experience may be substituted for a bachelors degree. * DoD 8570.01 (IAT) Level II certification Security Clearance Requirement: * Current/Active TS/SCI with Polygraph. ## Description * Support the database design, development, implementation, information storage and retrieval, data flow and analysis activities * Support the analysis and evaluation of system improvements, optimization, development and/or maintenance efforts * Assist in developing databases, database parser software, and database loading software Translate a set of requirements and data into a usable database schema by creating or recreating ad hoc queries, scripts and macros, updates existing queries, creates new ones to manipulate data into a master file * Assist in developing database structures that fit into the overall architecture of the system under development * Lead development of databases, database parser software, and database loading software Develop requirement recommendations from a projects inception to its conclusion for a particular Business and IT subject matter area (i.e. simple to complex systems) * Develop a database structure that fits into the overall architecture of the system under development and has to make trades among data volumes, number of users, logical and physical distribution, response times, retention rules, security and domain controls * Direct fulfillment of requirements from a projects inception to it conclusion * Direct organization of requirements and data into a usable database schema by directing development of ad hoc queries, scripts, macros, updates to existing queries * Direct the overall database structure that fits into the overall architecture of the system under development and has to make trades among data volumes, number of users, logical and physical distribution, response times, retention rules, security and domain control * Direct the development of complex systems using queries, tables, Open Database Connectivity and database storage and retrieval using Cloud methodologies