Senior Database Administrator

29 Dec 2025
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ManTech is seeking a motivated, career and customer-oriented Senior Database Administrator to join our team in Chantilly, VA.The successful candidate 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 and leading in 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

Performing database backups and restores

Managing, monitoring, and administering of Oracle database systems

Participating in server and storage capacity management and planning

Providing technical support in the evaluation of database systems and database design.

Recommending and implementing approved process and tool improvements

Minimum Qualifications:

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

Significant Oracle Exadata experience

Significant PL/SQL developer experience

Oracle Label Security (OLS) experience

Significant experience and knowledge in methodologies to improve database query performance.

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

Significant experience in the optimization of database environments

Strong understanding of high-availability solutions and architecture

Strong understanding of backup methodologies and their implementation (RMAN, Data Guard)

Experience managing and tuning very large databases (terabytes and petabytes)

Strong documentation skills

Experience automating, scripting, and streamlining processes for efficiency and accuracy.

7+ years relevant Information Technology experience.

High School Diploma/GED

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

Security Clearance Requirements:

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

#LI-AA1 , #joinmantechd #joinmantechaaManTech International Corporation, as well as its subsidiaries proactively fulfills its role as an equal opportunity employer. We do not discriminate against any employee or applicant for employment. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.If you are a qualified individual with a disability and require a reasonable accommodation to apply for a position with ManTech through its online applicant system, please email us at careers@mantech.com and provide your name and contact information.

Full-time
  • ID: #53174053
  • State: Virginia Chantilly 20151 Chantilly USA
  • City: Chantilly
  • Salary: USD TBD TBD
  • Showed: 2024-12-29
  • Deadline: 2025-02-28
  • Category: Et cetera
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