Senior Database Administrator (DBA)

Oracle + Postgres
UNITED STATES
October 20, 2026
Full Time
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Job Description

Company: Leidos
Location: Baltimore, MD
Workplace Type: Hybrid
Employment Type: Full-time
Pay / Compensation: $107,900.00 – $195,050.00

About the Role

The Digital Modernization Sector at Leidos currently has an opening for a Senior Database Administrator (DBA) to work in the Baltimore, Maryland office. This is an exciting opportunity to use your experience helping the Center for Medicare and Medicaid Services (CMS) migrate and modernize the database supporting its legacy Contact Center CRM Services (CCCS) platform, moving from legacy Oracle systems to modern AWS PostgreSQL environments.

What You’ll Do / Key Responsibilities

  • Lead database architecture and administration supporting migration from the legacy Oracle Siebel database to the modernized AWS PostgreSQL (RDS/Aurora PostgreSQL) environment.
  • Collaborate on data modeling by partnering with the Data Migration Lead and Data Modeler to profile, analyze, and document the legacy Siebel data model supporting migration planning.
  • Design ETL processes supporting the design and development of data extraction, transformation, and loading processes leveraging AWS Glue, PySpark, and AWS DMS to move data from Siebel/Oracle to AWS PostgreSQL staging and production environments.
  • Document migration details supporting the Data Migration Workbook by detailing data quality issues, mapping rules, and transformation logic for historical and Change Data Capture (CDC) migration.
  • Ensure high performance and availability by administering and tuning databases to meet the 99.9% data migration accuracy threshold and system availability requirements (≥99.9%).
  • Implement resilience strategies including database backup, recovery, and Multi-AZ/Multi-Region strategies to support disaster recovery and business continuity.
  • Enforce security controls by implementing database security standards, including encryption at rest and in transit, role-based access control (RBAC), and continuous monitoring aligned with FedRAMP Moderate and CMS requirements.
  • Resolve operational issues by troubleshooting and resolving database performance issues, defects, and data quality issues to support production operations.

Requirements & Qualifications

  • Bachelor’s degree and a minimum of 8-10 years of relevant database administration experience, or an equivalent combination of education and experience.
  • Experience administering and tuning Oracle and PostgreSQL (RDS/Aurora) databases in a highly available, production environment in AWS.
  • Experience with large-scale, complex data migrations, including data profiling, mapping, transformation, and reconciliation.
  • Experience with AWS data services (e.g., AWS Glue, AWS DMS, S3, RDS/Aurora, Redshift) supporting data integration and migration pipelines.
  • Ability to obtain a Public Trust clearance.

Preferred / Bonus Qualifications (if applicable)

  • AWS Certified Database – Specialty or AWS Certified Solutions Architect certification.
  • Experience supporting Pega Platform database architecture.
  • Experience with Change Data Capture (CDC) and near-real-time data synchronization techniques.
  • Experience with FedRAMP-authorized cloud environments and Zero Trust security principles.
  • Experience with Agile/Scrum or SAFe delivery methodologies.

Benefits & Perks (if applicable)

  • Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave, and Retirement.

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.

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