Database Administrator (DBA) - MongoDB & Oracle

Peraton; Reston (VA); On-site; USD 135,000 - 216,000; Full time

Job summary

Peraton is seeking an experienced Database Administrator (DBA) to lead MongoDB and Oracle database design, tuning, and modeling for enterprise applications. The role requires deep technical expertise across MongoDB, Oracle, and Databricks, with 8+ years of database experience. Candidates must be a U.S.

citizen able to obtain Public Trust clearance. The position focuses on large-scale databases (>5TB) and enterprise data solutions, offering collaboration with software teams and a path to

Qualifications

• 8+ years of demonstrated database experience.
• Strong hands-on expertise with MongoDB and/or relational database technologies, including Oracle.
• Experience designing, implementing, and supporting large-scale databases >5TB.
• Ability to provide technical guidance on database architecture and operations.
• Experience with database design, performance tuning, optimization, and data modeling.

Responsibilities

• Serve as the Database SME to development and technical teams.
• Lead database design, data modeling, performance tuning, optimization, and operational support.
• Design, implement, and support MongoDB and relational databases including Oracle.
• Design, implement, and support databases >5TB with scalability and reliability.
• Troubleshoot complex database issues and identify performance improvements.
• Support Databricks and enterprise-scale data solutions.
• Collaborate with developers and architects to maintain scalable database solutions.

Skills

MongoDB

Oracle

Data modeling

Performance tuning

Database design

Education

Bachelor's degree in Computer Science

HS diploma or equivalent with 12 years experience

Tools

Databricks

AWS Certified Solutions Architect

Job description

Database Administrator (DBA) - MongoDB & Oracle

Job Locations

US

Requisition ID: 2026-170366

Position Category: Information Technology

Clearance: Public Trust

Responsibilities

Peraton is seeking an experienced Database Administrator (DBA) - MongoDB & Oracle to provide database expertise and technical guidance to a development team supporting enterprise applications. This individual will lead database design, performance tuning, optimization, and data modeling efforts while providing hands‑on expertise with MongoDB, Oracle, Databricks, and relational database technologies.

What You Will Do:

• Serve as the Database SME, providing technical expertise and guidance to development and technical teams.
• Lead database design, data modeling, performance tuning, optimization, implementation, and operational support.
• Design, implement, and support MongoDB and relational database environments, including Oracle.
• Design, implement, and support large-scale databases exceeding 5TB, ensuring scalability, reliability, and performance.
• Troubleshoot complex database issues and identify opportunities for performance and operational improvements.
• Support Databricks and enterprise‑level data solutions.
• Collaborate with developers, architects, and technical teams to develop and maintain scalable, high‑performing database solutions.

Qualifications

Basic Qualifications

• Must be a U.S. Citizen with the ability to obtain and maintain the required Public Trust level clearance.
• Bachelor's degree in Computer Science and 8 years of experience or HS diploma or equivalent and 12 years of experience.
• 8+ years of demonstrated database experience.
• Strong hands‑on expertise with MongoDB and/or relational database technologies, including Oracle.
• Strong experience with database design, performance tuning, optimization, data modeling, and operational support.
• Demonstrated experience designing, implementing, and supporting large‑scale databases greater than 5TB.
• Experience maintaining and optimizing enterprise database environments to ensure performance, scalability, reliability, and availability.
• Ability to provide technical expertise and guidance on database architecture, design, implementation, and operational support.

Preferred Skills

• Experience with Databricks.
• Databricks foundational/basic certification desired.
• AWS Certified Solutions Architect certification desired.
• Experience supporting highly scalable, enterprise‑level database environments.

Peraton Overview

Peraton is a next‑generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world's leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Peraton operates at the critical nexus between traditional and nontraditional threats across all domains: land, sea, space, air, and cyberspace. The company serves as a valued partner to essential government agencies and supports every branch of the U.S. armed forces. Each day, our employees do the can't be done by solving the most daunting challenges facing our customers. Visit peraton.com to learn how we're keeping people around the world safe and secure.

Target Salary Range

$135,000 - $216,000. This represents the typical salary range for this position. Salary is determined by various factors, including but not limited to, the scope and responsibilities of the position, the individual's experience, education, knowledge, skills, and competencies, as well as geographic location and business and contract considerations. Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay.

EEO

EEO: Equal opportunity employer, including disability and protected veterans, or other characteristics protected by law.