Mainframe DB2 Database Administrator overseeing installation and administration of DB2 databases. Ensuring optimal performance, security, and robustness of the technological infrastructure.
About the role
- Database Administrator managing performance, reliability, and security of Oracle databases at T-Mobile. Collaborate with engineers and ensure optimal enterprise-level database operations.
Responsibilities
- Install, configure, patch, and upgrade Oracle database software across Linux, AWS, and on-premises environments.
- Administer Oracle databases, ensuring performance, integrity, availability, and compliance with T-Mobile standards.
- Implement and manage Oracle Data Guard and Oracle GoldenGate for replication, high availability, and disaster recovery.
- Monitor database health, performance, and capacity using Oracle Enterprise Manager (OEM), Grafana, and Prometheus.
- Perform performance tuning, query optimization, and schema design improvements to enhance reliability and scalability.
- Develop and maintain backup and recovery procedures to safeguard enterprise data.
- Manage database users, roles, and privileges in compliance with security and regulatory requirements.
- Automate routine administrative tasks using Ansible, Terraform, GitLab CI/CD, Bash, Python, and PL/SQL.
- Document standards, procedures, and change management activities for operational consistency.
- Collaborate with application developers, system administrators, and project managers to support deployment and data integration initiatives.
- Provide troubleshooting and on-call support for production issues as part of a rotational schedule.
Requirements
- Bachelor’s degree in Information Systems, Computer Science, or a related field (preferred)
- 2–5 years of hands-on experience administering Oracle databases in enterprise or cloud environments (required)
- Strong understanding of Oracle architecture, performance tuning, and backup/recovery.
- Proficiency in Linux system administration and basic cloud concepts (AWS preferred).
- Experience with automation tools and scripting languages for operational efficiency.
- Solid problem-solving, collaboration, and communication skills.
- Legally authorized to work in the United States.
Benefits
- Medical, dental and vision insurance
- Flexible spending account
- 401(k)
- Employee stock grants
- Employee stock purchase plan
- Paid time off and up to 12 paid holidays
- Paid parental and family leave
- Family building benefits
- Back-up care
- Enhanced family support
- Childcare subsidy
- Tuition assistance
- College coaching
- Short- and long-term disability
- Voluntary AD&D coverage
- Voluntary accident coverage
- Voluntary life insurance
- Voluntary disability insurance
- Voluntary long-term care insurance
- Mobile service & home internet discounts
- Pet insurance
- Access to commuter and transit programs
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