Database Admin/Engineer Data Librarian

Quest Oracle Community; St. Louis (MO); On-site; USD 108,000 - 195,000; Full time

Job summary

Leidos is seeking a Lead Database Administrator/Engineer to act as the senior technical authority for the on-prem Oracle database environment supporting GEOINT product dissemination. You will lead architecture, administration, security, performance, and lifecycle management of mission-critical Oracle databases.

The role requires collaboration across offices and security domains, mentoring staff, and delivering customer-facing briefings on database strategy and risk.

Qualifications

• 10+ years of Oracle database administration and engineering experience.
• Active TS/SCI clearance with ability to obtain a polygraph post hire.
• Proficiency with Oracle RAC, Data Guard, ASM and Grid Infrastructure.
• Strong SQL skills and experience with Linux/Unix at the host level.
• Experience implementing DISA STIGs and database auditing in secure env.
• Ability to lead a technical team and engage leadership and customers.

Responsibilities

• Serve as lead administrator for on-prem Oracle DB environments across prod/test/dev.
• Design, build, configure, and maintain Oracle DB platforms.
• Manage Oracle Spatial and geodatabase integration for GEOINT data.
• Plan upgrades, migrations, and capacity planning.
• Apply quarterly patches and enforce security baselines.
• Develop automation for routine DB tasks using shell/SQL/Python/Ansible.
• Provide presentations and briefings to leadership and customers.

Skills

Lead database administration

Public speaking

Cross-domain collaboration

Oracle database engineering

Performance tuning

Automation

Mentorship

Education

Bachelor's degree in Computer Science or related field

Tools

Oracle RAC

Data Guard

ASM

Grid Infrastructure

Linux administration

ArcSDE/Geodatabase

SQL scripting

Ansible

Job description

Leidos is seeking a Lead Database Administrator/Engineer to serve as the senior technical authority for the on-premises Oracle database environment supporting (GEOINT product dissemination and expurgation processing.) This role will lead the architecture, administration, security, performance, availability, and lifecycle management of mission-critical Oracle databases. That includes spatial data stores that enable accurate, timely dissemination of product packages to internal and foreign partners. The ideal candidate will have deep expertise in Oracle Database engineering, high availability and disaster recovery, patching and upgrades, database security hardening, and automation. They must also have the leadership ability to guide a team of database and software professionals.

This position requires a highly collaborative leader who can engage across multiple offices, set database standards and best practices, mentor junior and mid-level staff, and ensure the database environment meets operational, security, and compliance requirements. Experience operating across multiple security domains is highly desirable. The role also requires a strong public-speaking presence: delivering briefings, advising leadership on database strategy and risk, and acting as the face to the customer for database-related technical discussions and stakeholder engagements.

Primary Responsibilities

1. Database Administration & Engineering

• Serve as the lead administrator and subject matter expert for the on-premises Oracle database environment, including production, test, and development instances.
• Design, build, configure, and maintain Oracle Database environments.
• Administer and optimize spatial data stores, including Oracle Spatial and SDO_GEOMETRY objects, and ArcSDE / enterprise geodatabase integration, to support GEOINT content accuracy and dissemination.
• Plan and execute database upgrades, migrations, consolidations, and capacity expansion.
• Understand Linux/Unix operating systems (Oracle Linux / RHEL) at the database-host level, including file systems, kernel parameters, storage, permissions, and cron scheduling.

2. Patching, Security & Compliance

• Plan, test, and apply quarterly Oracle Release Updates (RUs) and Critical Patch Updates (CPUs) for the database, Grid Infrastructure, and related components.
• Develop implementation, validation, and rollback plans and execute them through formal change-management processes during scheduled maintenance windows.
• Implement and maintain the DISA Oracle Database STIG and organizational security baselines.
• Configure and manage Unified Auditing, Transparent Data Encryption (TDE), role-based access, and least-privilege models. Manage privileged database accounts in line with separation-of-duties requirements.
• Remediate vulnerability scan findings and support RMF/ATO assessments, continuous monitoring, and audit activities.
• Stage and apply patches in restricted or air-gapped environments following approved data transfer procedures.

3. Automation, Performance & Operations

• Perform advanced performance tuning and diagnostics.
• Monitor database health, capacity, and availability.
• Develop and maintain automation for routine database tasks, including health checks, patch verification, backup validation, and account management. Use shell scripting, SQL, Python, and/or Ansible.
• Support and optimize database constructs, schemas, stored procedures, and ingest/validation processes that feed automated expurgation and dissemination workflows.
• Lead root-cause analysis for database incidents and outages, and implement corrective and preventive actions.

4. Collaboration & Cross-Domain Support

• Work across multiple offices and security domains (NIPRNet, SIPRNet, JWICS) to ensure consistent database configurations, secure data movement, and reliable dissemination.
• Partner with systems administrators, software engineers, network, security, and application teams on integration, change coordination, and troubleshooting.
• Engage with stakeholders, product owners, and data users to optimize data structures, performance, and availability.
• Develop and maintain database standards, SOPs, runbooks, architecture diagrams, and configuration documentation.

5. Technical Leadership & Customer Engagement

• Provide technical direction, task assignment, and mentorship to junior and mid-level database administrators and engineers.
• Advise government and program leadership on database strategy, roadmap, lifecycle and end-of-support planning, capacity, and risk.
• Develop and deliver presentations, briefings, and reports to customers, stakeholders, and senior leadership.
• Serve as the primary point of contact for database-related customer briefings and technical discussions, ensuring technical concepts are communicated clearly.
• Facilitate knowledge-sharing sessions and training for internal and external stakeholders.

Basic Qualifications

• 10+ years of Oracle database administration and engineering experience, including 3+ years in a lead or senior technical role
• Bachelor's degree in Computer Science, Information Technology, or a related field; additional years of relevant experience may be considered in lieu of a degree.
• Active TS/SCI clearance with ability to obtain a Polygraph post hire
• Sec+ certification (or DoD 8140-compliant equivalent for the assigned work role)
• Extensive hands-on experience administering on-premises Oracle Database.
• Strong experience with Oracle RAC, Data Guard, ASM, and Grid Infrastructure.
• Advanced SQL skills, including schemas, stored procedures, and database constructs.
• Demonstrated performance tuning experience.
• Experience implementing DISA STIGs, database auditing, encryption, and privileged access controls in a secure environment.
• Proficiency in Linux/Unix administration and shell scripting (Bash/ksh) at the database-host level.
• Understanding of cross-domain data management and security protocols (NIPRNet, SIPRNet, JWICS).
• Strong public-speaking skills and experience delivering briefings and presenting technical concepts to leadership and customers.

Soft Skills & Collaboration:

• Ability to lead and mentor technical staff and to provide clear direction and prioritization.
• Ability to engage across multiple offices, ensuring database alignment with mission and product requirements.
• Strong problem-solving skills and the ability to troubleshoot complex database, performance, and integration issues under operational pressure.
• Excellent communication and collaboration skills, with experience working in cross-functional teams.
• Comfortable speaking in front of customers and stakeholders, ensuring clarity and transparency in all communications.
• Disciplined adherence to change control, configuration management, and security procedures, with sound judgment when exercising privileged access.
• Understanding of data integrity and validation concepts, and of the structure, intent, and usage of data-sharing agreements.
• Familiarity with Agile methodologies and Agile project management structures.

Original Posting

October 1, 2026

Pay Range

Pay Range $107,900.00 - $195,050.00

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. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at www.leidos.com/careers/pay-benefits.

Securing Your Data

Beware of fake employment opportunities using Leidos' name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at [e-mail].

If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission.

Commitment to Non-Discrimination

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.

About 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 $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit www.Leidos.com.