Sr. Oracle DBA with TS/SCI Polygraph

Sr. Database Administrator Leidos has a new and exciting opportunity for a Sr. Database Administrator in our Intel Sector's Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more. Join us and make a difference in National Security! A Sr. Database Administrator is needed to support a large, complex, fast-paced, operational program. The selected individual 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 individual 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 will 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.

Basic Qualifications

• Requires a Bachelor's with 20 years of experience or Masters with 15 – 20 years of prior relevant experience or Doctorate with 13 – 16 years of prior relevant experience.
• Additional experience may be substituted for a degree.
• Must have at least ten (10) years of demonstrated experience as a database administrator.
• Must have at least ten (10) years of Oracle Database Administration experience.
• Must have in-depth experience implementing and maintaining database security.
• Must have in-depth experience conducting database performance tuning and monitoring.
• Must have in-depth 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.

Clearance Required

Must have TS/SCI with Polygraph on Day One (this is firm).

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, in-depth 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.

Original Posting: April 1, 2026

For 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 $154,050.00 - $278,475.00 The 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.

Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $17.2 billion for the fiscal year ended January 2, 2026. For more information, visit

Pay and Benefits

Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers.

• competitive compensation
• Health and Wellness programs
• Income Protection
• Paid Leave
• Retirement

Commitment and Diversity

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.