The Leidos Cyber & Analytic Business Area in Annapolis Junction, Maryland is seeking a Database Administrator (DBA) to support a large, complex, fast-paced, operational program! An active TS/SCI Polygraph is required up front. The selected candidate will maintain the integrity, security, and availability of multiple databases. Duties include disaster recovery, performance analysis and tuning, index maintenance, and monitoring of data, as well as administering, maintaining, developing, and implementing policies and procedures for ensuring the security and integrity of the database. The selected candidate will evaluate and recommend available database management system products; perform database and software lifecycle activities to ensure the highest level of system performance, availability, and compliance with business requirements; and organize and format data for efficient query and storage processes. Primary Responsibilities: Perform daily database administration, monitoring, and troubleshooting of system database and replication issues. Monitor database performance and memory allocations using standard tools. Perform system updates and Information Assurance Vulnerability Alert (IAVA) patching. Troubleshoot and resolve database problems. Perform database recovery actions. 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. Transition/ingest legacy data. Translate requirements and data into usable database schemas by creating or recreating ad hoc queries, scripts and macros, making updates to existing queries, and creating new queries to manipulate data into a master file. Recommend design and implementation practices that optimize the performance of GOTS/COTS databases and applications. Assist in the development of database structures that fit into the overall architecture of the system under development. Assist in developing databases, database parser software, and database loading software. Security Clearance Requirement: Candidates must possess an active TS/SCI with polygraph to be considered for this role. Basic Qualifications: Requires BS degree and 12 – 15 years of prior relevant experience or Masters with 10 – 13 years of prior relevant experience. Additional experience may be substituted for a degree. Must have at least three (3) years of demonstrated experience as a database administrator. Must have at least three (3) years of Oracle Database Administration experience. Must have experience implementing and maintaining database security. Must have experience conducting database performance tuning and monitoring. Must have experience troubleshooting and resolving database problems/issues. Must have experience installing, configuring, and upgrading RDBMS software. Must have experience with procedural languages such as PL/SQL. Preferred Qualifications: Experience with real time highly available data replication technologies such as Oracle Data Guard, Oracle Streams, Oracle Golden Gate, Sybase Replication Server. Experience with the Scaled Agile Framework (SAFe) methodology and/or as a member of an Agile team. Extensive experience with database design and development Extensive, in-depth understanding of databases, primarily Oracle and/or other relational and non-relational/NoSQL databases such as PostgreSQL and MongoDB. Experience using Oracle SQL/PLSQL, and SQL in general. Experience with Mongo and/or Cassandra.
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