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Infographic showing various Systems Administrator job openings at Constellation Technologies in the United States as of August 2026, with employment types broken down into 58% Full Time, and 42% Contract. Highlights an 100% Physical job distribution.

Database Engineers / Administrators - multiple levels - CLEARANCE and POLYGRAPH REQUIRED

Constellation Technologies, Inc

Laurel, MD • On-site

Full-time

Re-posted 2 days ago

Job description

Job Summary:
Constellation Technologies, Inc is seeking Database Engineers / Administrators at multiple levels to support federal contracts requiring TS/SCI security clearance and polygraph. The role involves database administration, performance tuning, security implementation, and troubleshooting, ensuring optimal database performance and reliability.
Responsibilities:
• Must have TS/SCI clearance w/ active polygraph
• Must be a US Citizen
• 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.
Qualifications:
Required:
• 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
• Level 04 requires a minimum fifteen (15) years of experience
• Level 03 requires a minimum twelve (12) years of experience
• Level 02 requires a minimum nine (09) years of experience
• 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
Preferred:
• 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
Company:
Constellation Technologies, Inc. Founded in 2008, the company is headquartered in Columbia, USA, with a team of 51-200 employees. The company is currently Growth Stage.

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