Oracle Database Administrator

Leidos; Virginia (MN); On-site; USD 87,000 - 157,000; Full time

Job summary

Leidos in Arlington, VA seeks an experienced Oracle Database Administrator to design, implement, and support scalable, real-time data persistence for mission-critical applications. You will drive database schemas, performance tuning, and security while collaborating with developers to optimize queries and ensure high availability.

The role requires at least 5 years of hands-on Oracle DBA experience and a strong security mindset in a highly automated, secure cloud migration effort.

Qualifications

• Active DOD TS/SCI security clearance required.
• Bachelor's degree in a technical discipline with at least eight years of relevant experience.
• Five+ years of hands-on Oracle Database Administration experience (12c/19c+).
• Experience implementing and maintaining database security and performance tuning.
• Strong PL/SQL development and optimization skills.

Responsibilities

• Monitors database health, optimizes SQL code, and resolves performance bottlenecks.
• Designs and implements database schemas per project requirements.
• Performs daily DB administration, monitoring, and troubleshooting incl. replication.
• Ensures data protection policies and user permissions are properly enforced.
• Collaborates with developers to optimize queries and DB design.

Skills

Oracle DBA

PL/SQL

SQL tuning

Database security

On-call readiness

Education

Bachelor's degree in technical discipline

Tools

Oracle Data Guard

AWR/ADDM

Job description

Seeking a career with a sense of purpose, work life balance, and growth opportunities? There's a place for you at Leidos! We are currently seeking an Oracle Database Administrator to join the Compartmented Enterprise Services Office (CESO) effort. This program is establishing a modern secure web service (SWS) operation as part of a state-of-the-art, highly automated platform capable of supporting a rapidly expanding customer population. Apply today to become part of the Leidos team that is assisting CESO as they migrate to a high security cloud environment by providing network and communication services, monitoring services, and system administration.

The Oracle Database Administrator will join a high-impact program, focused on designing, building, delivering, and supporting highly available, scalable, real-time data persistence for mission-critical applications. In this role, you will be responsible for designing and implementing database schemas and structures according to project requirements. This person should be a seasoned, self-motivated, professional with at least 5 years of hands‑on database admin experience.

This position is 100% on‑site based in Arlington, VA.

Primary Responsibilities

• Performs technical planning, system integration, verification and validation, cost and risk, and support ability and effectiveness analysis.
• Proactively monitors database health, optimizes SQL code, and addresses performance bottlenecks.
• Designs and implements database schemas and structures according to project requirements.
• Perform daily database administration, monitoring, and troubleshooting of system database and replication issues.
• Monitor database performance and memory allocations using standard tools.
• Develops and maintains documentation for database environments, including data standards and procedures.
• Develop and execute SQL queries for routine and ad hoc requests.
• Modify existing database scripts to enhance systems support and create new database scripts for recurring database issues.
• Implements security measures, sets up user permissions, and ensures compliance with data protection policies.
• 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.
• Plans for storage requirements and database growth, and scale infrastructure as needed.
• Maintains data accuracy and ensures maximum uptime and may require some on‑call support.
• Troubleshoot and resolve database problems.
• Collaborates with developers to optimize queries, stored procedures, and database design for applications.
• Must be a self‑starter, strong leader, and the ability to work independently with little supervision.

Basic Qualifications

• Candidate must possess an active DOD TS/SCI. May be asked to obtain CI Poly.
• Bachelor's degree in a technical discipline and at least eight (8) years of relevant experience. Additional experience may be substituted for a degree.
• Must have at least five (5) years of demonstrated experience as a database administrator.
• Must have at least five (5) years of Oracle Database Administration experience, specifically with Oracle 12c, 19c, or later.
• 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 with procedural languages such as PL/SQL and proficiency in PL/SQL development and optimization.
• Excellent written and verbal communication skills
• Demonstrated experience communicating effectively across internal and external organizations
• Preferred prior experience with DISA and DISA’s support to mission partners

Preferred Qualifications:

• Experience with real time highly available data replication technologies such as Oracle Data Guard (configuration, monitoring, failover/switchover).
• Experience with SQL tuning and diagnostic skills including performance tuning (AWR ADDM).
• Experience with the Scaled Agile Framework (SAFe) methodology and/or as a member of an Agile team.
• 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.
• Experience using Oracle SQL/PLSQL, and SQL in general.

If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo - because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 - and moving faster than anyone else dares.

Original Posting:

July 2, 2026

Pay Range:

Pay Range $87,100.00 - $157,450.00

The Leidos pay range for this job level is a general guideline onlyand 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.

An industry & technology leader serving government & commercial customers with smarter, more efficient innovations

Leidos is a Fortune 500 company focused on innovative solutions in national security and health, with a commitment to diversity and employee engagement.