Senior Database Engineer/Administrator

Location: Columbia, MD

Time Type: Full time

Job Description

Leidos has a new and exciting opportunity for a Senior Database Engineer/Administrator in our Intelligence Sector, 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!

As a Database Engineer/Administrator you will support a mission‑critical program and is responsible for the implementation, maintenance, and optimization of complex database environments. The Database Engineer ensures the integrity, security, and availability of multiple databases across on‑prem and cloud platforms, leads performance tuning and troubleshooting efforts, and drives migration and modernization initiatives to maintain resilient, high‑availability systems for the Warfighter.

Primary Responsibilities

• Maintain the integrity, security, availability, and performance of multiple databases, including disaster recovery, monitoring, tuning, and index/partition optimization.
• Administer Oracle and cloud‑native database technologies (AWS RDS, Aurora, DynamoDB), including installation, configuration, OEM management, and lifecycle maintenance.
• Develop, maintain, and optimize PL/SQL procedures, queries, schema changes, and data structures to support efficient storage, retrieval, and application performance.
• Implement and enforce database security policies, user account management, data‑at‑rest/in‑transit protections, and Oracle Label Security (OLS).
• Lead database migration efforts, including transitioning Oracle on‑prem environments to AWS RDS, and design solutions for resilience and high availability.
• Troubleshoot performance bottlenecks, locking issues, and system anomalies while directing performance optimization and structural redesign efforts.
• Evaluate DBMS products, recommend solutions, and guide the adoption of emerging database tools, technologies, and best practices.

Basic Qualifications:

• Bachelor’s degree in a technical discipline from an accredited college or university; an additional four (4) years of DBA/DBE experience may be substituted in lieu of the degree.
• Ten (10) or more years of experience as a DBA and/or DBE supporting programs of similar scope, complexity, and mission focus.
• Security Clearance Requirement: Active TS/SCI with polygraph

Preferred Qualifications

• Oracle
• OEM Management
• Red Hat Linux 7/8
• Git
• Puppet
• VMware
• Docker
• Kubernetes
• AWS / AWS Managed Databases including NoSQL databases
• Schema design and optimization
• Data modeling
• AWS Database Migration Service (DMS)

CONMD

CSSRC

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 22, 2026

Pay Range:

Pay Range $131,300.00 - $237,350.00

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.