Mantech

MANTECH seeks a motivated, career and customer-oriented Senior Database Administrator to join our Data and AI Practice. This position requires full-time on-site presence in Chantilly and/or Herndon, VA. The ideal candidate will play a critical role in designing, building, and optimizing data pipelines and architecture that support our enterprise-scale data initiatives in an IC customer space. This role demands technical expertise, strategic thinking, and hands-on experience with Oracle-based systems in high-volume environments. If you thrive in a fast-paced, data-driven organization and enjoy solving complex data engineering challenges, we want to hear from you.

Responsibilities include but are not limited to:

• Designing, deploying, and maintaining cloud-based databases,
• Providing support for database management tasks, and
• Ensuring data security and integrity. 
• Working closely with cloud infrastructure teams to ensure seamless integration of cloud base databases with applications and services.
• Performs complex duties and tasks that leverage domain expertise to implement Oracle products and technology to provide value to our customers.
   

Minimum Qualifications:

• Must possess a Bachelor’s degree in a related field and at least 8 years of experience relevant to this position.
• Experience with US Government / IC customers enterprise systems
• Experience with data architecture, engineering, and data modeling. Experience with managing structured and unstructured data, and knowledge of binary file types like Parquet, Hudi, Iceberg, Delta Lake
• Experience integrating Oracle databases with big data platforms such as Hadoop, Spark, or cloud-based data lakes. Familiarity with Oracle SQL, MySQL, PostgreSQL, MongoDB, or Oracle Database Engineering
• Senior Oracle DBA with experience in Oracle Database Installations and Upgrades (version 19c preferred). 
• DBA experience Including the following Database technologies:
• RAC (Real Application Clusters), Multitenant (create, cloning, dropping, CDBs and PDBs), Data Guard (Physical Standby and Active Data Guard), Unified Auditing, RMAN (Recovery Manager), DB patching, hardening / STIG'ing, Oracle Automated Storage Management (ASM), Database troubleshooting/Fault identification
• Experience writing SQL/PLSQL code. Experience with Linux (use & navigation, and shell scripting knowledge). Experience configuring and querying Oracle Audit
   

Preferred Qualifications:

• Master’s degree preferred
• Oracle Database Certified Associate, Oracle Database Certified Professional or Oracle Cloud Infrastructure Certifications
• Experience with the Oracle Label Security option
• Experience with Oracle Data Vault or experience with Oracle Key Vault
• Oracle GoldenGate experience a plus and knowledge of software life cycle and CM practices

Clearance Requirements:

• Must possess a current and active TS/SCI security clearance with Polygraph 

Physical Requirements:

• The person in this position must be able to remain in a stationary position 50% of the time.
• Occasionally move about inside the office to access file cabinets, office machinery, or to communicate with co-workers, management, and customers, via email, phone, and or virtual communication, which may involve delivering presentations.