We are seeking a Senior Oracle Database Administrator with proven expertise in enterprise-grade Oracle databases and modern Azure data ecosystems. This is a critical technical role responsible for database design, administration, performance tuning, and operational excellence across both traditional and cloud data environments. You will play a key part in integrating Oracle with next-generation platforms such as Azure Data Bricks and Azure Data Lake, driving secure, scalable, and business-critical data solutions.
Key Roles and Responsibilities
Database Administration & Operations
Install, configure, upgrade, and patch Oracle Database (19c and above), Microsoft SQL Server and PostgreSQL instances.
Ensure high availability, recoverability, and integrity of databases across cloud and on-prem environments.
Develop and maintain robust backup, recovery, disaster recovery, and failover strategies.
Manage storage, tablespaces, data files, and optimize database growth and disk utilization.
Implement strong database security, user access controls, encryption, and compliance policies.
Performance, Tuning & Automation
Conduct performance analysis and tuning: SQL optimization, index management, and query rewriting.
Monitor and troubleshoot database performance issues using Oracle Enterprise Manager and related tools.
Design and automate routine DBA tasks using Unix/Linux shell scripting or Python.
Azure Data Platform Integration
Integrate and migrate Oracle data to Azure Data Lake and Azure Data Bricks using best practices.
Collaborate with data engineering teams to enable seamless data movement (ETL/ELT pipelines) between Oracle, Data Lake, and Data Bricks environments.
Support and optimize the use of Azure Synapse Analytics for advanced analytics workloads.
Set up and manage data ingestion, transformation, and integration workflows using Azure Data Factory.
Project Leadership & Collaboration
Provide subject matter expertise and consultation for application teams on Oracle and Azure data integration.
Document database architectures, procedures, and best practices.
Participate in solution architecture reviews, capacity planning, and new technology evaluations.
Collaborate closely with cloud architects, data engineers, and security/compliance teams on strategic projects.
Continuous Improvement & Innovation
Stay updated on the latest Oracle features, Azure cloud advancements, and industry best practices.
Recommend and implement improvements for automation, monitoring, and operational efficiency.
Mentor and coach junior team members.
Required Qualifications
Experience:
10 years of hands-on Oracle DBA experience in large-scale, mission-critical environments.
Demonstrable experience with Azure Data Bricks, Azure Data Lake, and cloud-based data workflows.
Proven track record with Linux/Unix environments and automation scripting (Shell, Python, or PowerShell).
Technical Skills:
Advanced knowledge of Oracle Database (12c, 19c, or later), including backup, recovery, tuning, and security.
Proficiency with PostgreSQL and multi-platform DBMS support.
Experience with Azure Data Bricks (Spark), Azure Data Lake (Gen2), and Azure Synapse Analytics.
ETL/ELT pipeline development using Azure Data Factory or similar tools.
Hands-on skills in database migration (on-prem to cloud), replication, and high-availability solutions (RAC, Data Guard, etc.).
Familiarity with cloud security, compliance, and governance (Azure RBAC, encryption, etc.).
Other Key Skills:
Excellent troubleshooting and analytical skills.
Strong documentation, communication, and cross-team collaboration abilities.
Experience working in Agile/DevOps environments.
Understanding of data modeling, data warehousing concepts, and integration patterns.
Preferred/Bonus Skills (Nice to Have):
Experience with NoSQL databases (Cosmos DB, MongoDB).
Familiarity with Infrastructure as Code (Terraform, ARM templates).
Knowledge of containerization (Docker, Kubernetes).
Exposure to machine learning pipelines or analytics workloads on Azure.
Working knowledge of data governance and data cataloging (Azure Purview).
It is the policy of AT&T to provide equal employment opportunity (EEO) to all persons regardless of age, color, national origin, citizenship status, physical or mental disability, race, religion, creed, gender, sex, sexual orientation, gender identity and/or expression, genetic information, marital status, status with regard to public assistance, veteran status, or any other characteristic protected by federal, state or local law. In addition, AT&T will provide reasonable accommodations for qualified individuals with disabilities. AT&T is a fair chance employer and does not initiate a background check until an offer is made.
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