**ManTech** seeks a motivated, career and customer-oriented **Senior Database Administrator** to join our team in **Reston, VA** . This is an **onsite** position. The **Database Administrator** will work to determine, implement, and maintain the most efficient ways to organize and store data for the program, with potential travel worldwide to deploy, configure, upgrade, troubleshoot, and maintain systems. **Duties, Tasks & Responsibilities** + Participating in the design, maintenance, enhancement, coding, and administration of relational databases + Managing, monitoring, and administering database system performance and schedules + Monitoring the performance of system files and managing system data to maintain performance efficiency + Providing technical support in the evaluation of prime object names, data elements, and other objects + Recommending and implementing appropriate procedure, query, or package changes and optimizations to ensure and improve system performance and reliability + Participating in server and storage capacity management and planning for the most complex and critical systems + Communicating with in-country personnel remotely to troubleshoot and resolve Tier 2-4 issues and documenting issues and resolutions appropriately + Ability and willingness to travel internationally up to 25% of the time **Basic Qualifications:** + 10+ years of relevant relational database administration, database development, and database management experience + Significant experience with PostgreSQL architecture, database design, administration, and related technologies + Significant experience working in a Linux environment and strong scripting experience (Bash, SQL, etc.) + Strong experience managing and troubleshooting databases remotely and resolving data issues remotely + Strong Oracle database administration experience **Preferred Qualifications:** + Experience with MongoDB and experience working in Cloud environments + Prior experience working, installing, and maintaining complex systems deployed worldwide **Clearance Requirements:** + Must possess an active/current Top Secret security clearance. **Physical Requirements:** + Must be able to be in a stationary position more than 50% of the time + Must be able to communicate, converse, and exchange information with peers and senior personnel + Constantly operates a computer and other office productivity machinery, such as a computer + The person in this position frequently communicates with co-workers, management, and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situations + The person in this position needs to occasionally move about inside the office to access file cabinets, office machinery, etc. ManTech 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.