> Markdown version of [/jobs/ext/2674542-database-engineers-administrators](https://www.wearedevelopers.com/jobs/ext/2674542-database-engineers-administrators). 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 - **Company:** Constellation Technologies, Inc. - **Location:** Annapolis Junction, MD, United States - **Salary:** $105,000.0 - $240,000.0 - **Contract:** Permanent contract - **Skills:** Agile Methodology, Amazon Web Services, Cyber Security, Databases, Computer Telephony Integration, System Configuration, Data Security, Relational Databases, Oracle Data Guard, Linux, MongoDB, MySQL, NetApp Applications, Oracle Databases, Oracle (Applications), Oracle Rac, Oracle Warehouse Builder, Performance Tuning, Red Hat Enterprise Linux, Service Pack, PL-SQL, SQL Databases, Scripting, Apache Cassandra, System Availability, Database Optimization, Sybase, Procedural Programming, Cassandra, Oracle Golden Gate, Database Replication - **Published:** August 31, 2026 - **Apply:** https://www.careerbuilder.com/job-details/database-engineers-administrators-multiple-levels-fully-cleared-with-polygraph-required-annapolis-junction-md--0adf7dba-b5b3-4566-bfc9-8ab4be96895d ## 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., Agile Programming Methodologies, Amazon Web Services (AWS), Apache Cassandra, Commercial Off-the-Shelf (COTS), Computer Telephony Integration (CTI), Database Administration, Database Programming, Database Replication, Dental Insurance, Government Off-the Shelf (GOTS), Healthcare, High Availability, High School Diploma, Identify Issues, Information/Data Security (InfoSec), Leadership, Legal, Life Insurance, Linux Operating System, Mentoring, MySQL, NetApp Storage Systems, Oracle, Oracle Database, Oracle PL-SQL, Oracle RAC (Real Application Clusters), Performance Analysis, Performance Tuning/Optimization, Printers, Problem Solving Skills, Procedural Programming Languages, Red Hat Linux Operating System, Reimbursement, Relational Databases (RDBMS), Replication and Remote Mirroring, SQL (Structured Query Language), Scripting (Scripting Languages), Sensitive Compartmented Information (SCI), Software Patches, Software Upgrades, Sybase Product Family, Systems Administration/Management, Systems Maintenance, Top Secret Clearance, United States Citizen ## 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) - [Fault Tolerance and Consistency at Scale: Harnessing the Power of Distributed SQL Databases](https://www.wearedevelopers.com/videos/1520-fault-tolerance-and-consistency-at-scale-harnessing-the-power-of-distributed-sql-databases) - [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 - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Making Data Warehouses Fast: A Developer’s Story](https://www.wearedevelopers.com/magazine/107-making-data-warehouses-fast-a-developer-s-story) - [Best Paying Jobs in Technology](https://www.wearedevelopers.com/magazine/256-best-paying-jobs-in-technology) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Data Engineer Salary UK](https://www.wearedevelopers.com/magazine/253-data-engineer-salary-uk)