> Markdown version of [/jobs/ext/578807-database-engineers-administrators-multiple-levels-fully-cl](https://www.wearedevelopers.com/jobs/ext/578807-database-engineers-administrators-multiple-levels-fully-cl). 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 CL - **Company:** Constellation Technologies, Inc. - **Location:** Columbia, MD, United States - **Salary:** $105,000.0 - $240,000.0 - **Contract:** Permanent contract - **Skills:** Databases, System Configuration, Relational Databases, Oracle Data Guard, Linux, MongoDB, MySQL, Oracle Databases, Oracle (Applications), Oracle Warehouse Builder, PL-SQL, SQL Databases, Database Optimization, Sybase, Cassandra, Oracle Golden Gate, Database Replication - **Published:** June 18, 2026 - **Apply:** https://www.clearancejobs.com/jobs/8983157/database-engineers-administrators-multiple-levels-fully-cl ## About the Role * 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. * 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. These Qualifications Would be Nice to Have: * 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. ## Related Videos - [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) - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [MySQL Protocol Features You Should Be Aware Of](https://www.wearedevelopers.com/videos/100267-mysql-protocol-features-you-should-be-aware-of) - [Branch your database like your code: How schema changes and pull requests go hand in hand](https://www.wearedevelopers.com/videos/350-branch-your-database-like-your-code-how-schema-changes-and-pull-requests-go-hand-in-hand) - [Docker exec without Docker](https://www.wearedevelopers.com/videos/1094-docker-exec-without-docker) - [Coding for Good: Achieving social change with an app](https://www.wearedevelopers.com/videos/1645-coding-for-good-achieving-social-change-with-an-app) ## Related Articles - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer) - [Making Data Warehouses Fast: A Developer’s Story](https://www.wearedevelopers.com/magazine/107-making-data-warehouses-fast-a-developer-s-story) - [Data Engineer Salary UK](https://www.wearedevelopers.com/magazine/253-data-engineer-salary-uk) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [Top Big Data Technologies That You Need to Know](https://www.wearedevelopers.com/magazine/108-top-big-data-technologies-that-you-need-to-know)