> Markdown version of [/jobs/ext/3864931-database-engineers-administrators-multiple-levels-fully-cleared-with-polygraph-required](https://www.wearedevelopers.com/jobs/ext/3864931-database-engineers-administrators-multiple-levels-fully-cleared-with-polygraph-required). 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). --- # Database Engineers / Administrators - multiple levels - FULLY CLEARED with POLYGRAPH REQUIRED - **Company:** Constellation Technologies, Inc. - **Location:** Annapolis Junction, MD, United States - **Salary:** $105,000.0 - $240,000.0 - **Contract:** Permanent contract - **Skills:** Agile Methodology, Databases, System Configuration, Relational Databases, Oracle Data Guard, Linux, MongoDB, MySQL, Oracle Databases, Oracle (Applications), Oracle Warehouse Builder, Scaled Agile Framework, PL-SQL, SQL Databases, Apache Cassandra, Database Optimization, Sybase, Cassandra, Oracle Golden Gate, Database Replication - **Published:** October 22, 2026 - **Apply:** https://jobs.lever.co/cti-md/cfc94c60-7dde-4def-9658-aee57700eb62 ## About the Role Database Programming, Database Administration, Agile Programming Methodologies, Apache Cassandra, Oracle PL-SQL, MySQL, Oracle Database, Top Secret Clearance, Sensitive Compartmented Information (SCI), United States Citizen, * Must have TS/SCI clearance w/ active polygraph * Must be a US Citizen * This position is open to multiple levels of years of experience; two (02) years within the last five (05) years must be directly related to Database Engineering / Administration: o Level 04 requires a minimum fifteen (15) years of experience o Level 03 requires a minimum twelve (12) years of experience o Level 02 requires a minimum nine (09) years of experience o Level 01 requires a minimum six (06) years of experience * Minimum of High School Diploma * Experience with Oracle Database Administration experience to include experience with Oracle data replication technologies. * Experience implementing and maintaining database security. * Experience conducting database performance tuning and monitoring. * Experience troubleshooting and resolving database problems/issues. * Experience installing, configuring, and upgrading RDBMS software. * Experience with procedural languages, for example: PL/SQL., * Experience with Oracle Grid/RAC in a Linux environment. * Experience with Mongo. * Experience with real time highly available data replication technologies such as Oracle Data Guard, Oracle Streams, Oracle Golden Gate, Sybase Replication Server. * Experience with MySQL. * Experience with Cassandra. ## Description Scaled Agile Framework (SAFe) methodology, IAVA, Oracle, RDBMS, PL/SQL, MySQL, Mongo, Cassandra Due to federal contract requirements, United States citizenship and an active TS/SCI security clearance and polygraph are required for the position., * Perform daily database administration, monitoring, and troubleshooting of system database and Oracle Streams replication issues. * Modify existing database scripts to enhance systems support and create new database scripts for recurring database issues. * Develop and execute SQL queries for routine and ad hoc requests. * Perform system updates and Information Assurance Vulnerability Alert (IAVA) patching. * Recommend design and implementation practices that optimize the performance of GOTS/COTS databases and applications.