**ManTech** seeks a highly skilled and knowledgeable  **Senior** **Database** **Engineer** to join our team on customer site in **Washington D.C.** **Responsibilities:** + Responsible for the overall design, maintenance, enhancement, coding, and administration of the database schemas / databases and quality of data. + Provide technical subject matter expertise (SME) on ingesting into the database from sources such as file systems and perform database maintenance. + Responsible for SQL and PL/SQL development to include developing the backend reports to support user needs; developing custom scripts to automate various database management processes, monitoring and troubleshooting database performance; developing, optimizing, and tuning stored procedures, functions, triggers, views, and queries in support of application development. + Responsible for managing, monitoring, and administering database system performance and schedules, including monitoring the performance of system files and managing system data to maintain efficient performance. + Recommending and implementing appropriate procedure, query, or package changes and optimizations/tuning to ensure and improve system performance and reliability. + Participating in server and storage capacity management and planning for the most complex and critical systems. + Working with quality assurance/testing personnel to define acceptance criteria for each release cycle and testing systems as needed. **Basic Qualifications:** + Bachelor’s Degree, preferably in Engineering, Computer Science, Mathematics, or related discipline. + 10+ years of IT experience with 8+ years of database experience. + 2+ years’ experience working in a program using Agile (SAFe, Scrum and Kanban) and DevSecOps methods. + Possess Oracle DBA certification and a MS SQL Certification. + Significant experience with database and data architecture, data management and migration, database design, administration, and related technologies. + Experience with Oracle database, Oracle database as a service, MS SQL, and Azure SQL database. + Hands on experience using SQL, PL/SQL, MySQL and other scripting languages. **Security Clearance Requirements:** + Must possess a current / active Top Secret security clearance **Physical Requirements:** + Must be able to remain in a stationary position 50% + Constantly operates a computer and other office productivity machinery, such as a calculator, copy machine and computer printer. + 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. 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.