Senior Database Administrator

ManTech seeks a motivated, career and customer-oriented Senior Database Administrator to join our team in Chantilly, VA

The Senior Database Administrator will work as part of the overall DBA team to determine, implement, and maintain the most efficient ways to ingest, organize and store petabytes of data from disparate system.

Responsibilities include but are not limited to:

Participating in leading the design, development, and administration of Oracle 19c databases

Designing and developing database code for ETL of data from multiple sources

Conducting performance tuning and forecasting system scalability

Recommending appropriate procedure, query, or package changes and optimizations to ensure and improve system performance and reliability

Installing and configuring database environments as well as performing database backups and restores

Managing, monitoring, and administering of Oracle database systems

Participating in server and storage capacity management, planning and providing technical support in the evaluation of database systems and database design

Minimum Qualifications:

High School Diploma with 7+ years of experience in the Information Technology field

Significant experience with Oracle 19c+ architecture and database design, and related Oracle technologies (Partitioning, Encryption, Pluggable Database, etc.) on Linux systems

Significant Oracle Exadata and PL/SQL developer experience

Oracle Label Security (OLS) experience coupled with significant experience and knowledge in methodologies to improve database query performance.

Significant experience in the optimization of database environments

Strong understanding of high-availability solutions, architecture, backup methodologies and their implementation (RMAN, Data Guard)

Experience managing and tuning very large databases (terabytes and petabytes) and with automating, scripting, and streamlining processes for efficiency and accuracy with strong documentation skills.

Preferred Qualifications:

Experience with PostgreSQL architecture, database design, administration, and related technologies.

Knowledge of Oracle Cloud Technology

Oracle OCP or OCM certification(s)

Linux experience as relevant to database O&M

Knowledge of multiple data-storage technologies

Ability to work with multiple teams to enhance their code and improve performance.

Clearance Requirements:

An active TS/SCI with Polygraph

Physical Requirements:

Use hands to operate a computer and other office productivity machinery, such as a calculator, copy machine and computer printer.

The person in this position needs to occasionally move about inside the office to access file cabinets, office machinery, etc.

Constantly positions self to maintain computers in the lab, including under the desks and in the server closet