Description Leidos is seeking an Oracle Database Administrator to be responsible for the upkeep, configuration, and reliable operation of computer systems in support of the Compartmented Enterprise Services Office (CESO).  The Oracle Database Administrator will administer patches, sustain, and manage the databases. These systems are highly sensitive and configurations have impacts on national security.  With the CESO program, the Defense Information System Agency (DISA) is looking to transform the existing Secure Web Services (SWS) environment, which provides secure information sharing to the community, into a more mature service offering to meet the DoD and intelligence communities.  As part of this task order, Leidos will manage the commercial cloud migration and disestablishment of legacy systems, fully automate the continuous development & continuous integration environment, fourth estate consolidation, professionalize services – ITIL/DevSecOps based processes, improve the customer experience 1st call resolution, and achieve development of a service catalog for Defense Working Capital Fund (DWCF) Model.This position is 100% on-site based on Arlington, VA.Primary ResponsibilitiesMaintain responsibility network policiesMonitor new complex systemsSustain and maintain a production database environment, a replica test database environment, and an unclassified but similar database environmentCoordinate and assist with deployment and support activitiesDevelop data migration plans and scriptsUpdate, patch, and improve the application and database as requiredConfigure and install systems hardware or software and maintain server and domain security requirements.Plan and schedule the installation of new or modified hardware, operating systems and applications softwareMaintain systems configuration and manage the installation and integration of system fixes, upgrades and enhancements.Basic QualificationsBA/BS or equivalent experience and 4+ years of prior relevant experience or Masters with 2+ years of prior relevant experience. Add'l experience may be considered in lieu of degree.Candidate must possess an active DOD TS/SCI security clearance and be able to obtain and maintain a CI Poly.Must have experience as a Database Administrator to include tasks such as data migration, data replication, user administration, backup and recovery, performance tuning, issue investigation, issue resolution, and general administration.Must have experience using Oracle SQL/PLSQL, and SQL in general.Experience developing database structures that fit into overall architecture of the system under development.Skilled, thoughtful, and detail-oriented professional.Ability to work in a 24/7 operation. IAT Level II Baseline Certification (e.g. CCNA Security, CySA+, GICSP, GSEC, Security+ CE, CND, SSCP.)Have skills in the following areas:Experience managing Oracle Databases in both Windows and Linux environmentsExperience working with and managing Oracle Identity and Access Manager suite.Managing all aspects of an Oracle database including installation, configuration, and data migration.Performance monitoring, troubleshooting, security, backups, and data recovery.Installing, patching, maintaining, and monitoring Oracle databasesCreate and maintain SQL and PL/SQL queries and shell scriptsProviding maintenance support for database systems.Data Extraction, transformation, and loadingPerform routine security and authentication measuresPreferred QualificationsPrior experienced with DISA and DISA’s support to mission partnersTS/SCI w/CI Poly PreferredExperience with one or more of the following: Solarwinds, Atlassian, ACAS, Ansiblie Tower, Spacewalk, WSUS, Microsoft, Lumension, Adbe, CITRIX, HP, CISCO, VMWare, NETAPP, APACHE, Splunk, RHEL, IBM Tivoligsmo#tn15Original Posting:March 24, 2025For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.Pay Range:Pay Range $85,150.00 - $153,925.00The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.