Sr. Database Administrator (Oracle)

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Job Overview
At T-Mobile, Senior Database Administrators are the trusted experts driving the performance and evolution of our data platforms. You’ll lead the charge in configuring, monitoring, and optimizing large-scale Oracle environments that power our business systems nationwide. This role is perfect for someone who thrives in dynamic, high-availability settings and enjoys solving complex challenges, improving automation, and ensuring database reliability and security. As a technical authority, you’ll influence enterprise-level projects, mentor peers, and collaborate across teams to deliver next-generation data solutions that keep T-Mobile at the forefront of innovation.

The Senior Database Administrator is responsible for the configuration, administration, monitoring, performance tuning, replication, backup/restore, and troubleshooting of Oracle database environments in a highly dynamic and mission-critical infrastructure. This role provides advanced technical and operational support for T-Mobile’s business systems, ensuring database security, integrity, and optimal performance across on-premises and cloud environments.

Main Responsibilities

• Administer and support large-scale Oracle database environments across on-premises and AWS infrastructures.
• Install, configure, patch, and upgrade Oracle software, ensuring adherence to enterprise standards and compliance requirements.
• Implement and manage Oracle Data Guard and Oracle GoldenGate for high availability, replication, and disaster recovery.
• Perform advanced performance tuning and optimization of database queries, indexes, and schemas for mission-critical workloads.
• Automate deployment, patching, and maintenance processes using Ansible, Terraform, and GitLab CI/CD pipelines.
• Develop and maintain scripts (Bash, Python, PL/SQL) to improve operational efficiency and consistency.
• Configure and monitor database health and performance using Oracle Enterprise Manager (OEM), Grafana, and Prometheus.
• Enforce enterprise security and access controls, manage user roles and privileges, and ensure compliance with policies such as SOX and PCI.
• Partner with developers, architects, and infrastructure teams to ensure data integrity, scalability, and system reliability.
• Provide expert-level troubleshooting and root cause analysis for high-impact production issues.
• Contribute to continuous improvement of standards, documentation, and automation frameworks.

Qualifications

Education

• Bachelor’s degree in Information Systems, Computer Science, or equivalent experience (required)

Experience

• 5–8 years of experience in Oracle database administration and performance tuning (required)
• Experience supporting enterprise-level production systems in hybrid cloud environments (preferred)

Knowledge, Skills, and Abilities

• Advanced proficiency in Oracle architecture, RAC, Data Guard, and GoldenGate.
• Strong command of backup/recovery strategies, security management, and capacity planning.
• Experience with automation and DevOps tools such as Ansible, Terraform, and GitLab CI/CD.
• Excellent analytical, problem-solving, and communication skills.

Databases & Data Technologies

• Oracle • Data Guard • Oracle GoldenGate • Real Application Cluster (RAC) • Maximum Availability Architecture • CMDB (Configuration Management Database)

Infrastructure & Cloud

• AIX • Linux • AWS (Amazon Web Services) • EC2 • S3 • Elastic Beanstalk • ELB (Elastic Load Balancer) • RDS • VPC • Direct Connect • Route53 • CloudWatch • CloudFormation • IAM • SNS • On-Premises • Cloud Database Migration

Automation & DevOps Tools

• Ansible • Ansible Tower • Terraform • GitLab • GitLab CI/CD • Docker • Kubernetes (K8s) • ServiceNow • Bash • Python • PL/SQL

Monitoring & Observability (OEM – Oracle Enterprise Manager)

• Grafana • Prometheus • Metric Dashboards • Database Monitoring

Security, Compliance & Governance

• Imperva • Splunk • Data Encryption • Data Classification • Data Scanning • Data Governance • SOX • PCI • CMMC • Logical Access (LA) • Segregation of Duties (SOD) • User Access Reviews (UAR) • Change Management (CM) • Computer Operations (CO) • Vulnerability Management • Compliance Baselines • Security Policies • Security Standards

Architecture & Engineering Concepts

• Database Control Plane • Database Lifecycle Management (LCM) • Schema Migration • Replication • Clustering • Backup & Recovery • Data Modeling • Performance Tuning • Provisioning • High Availability • Disaster Recovery • Automation Frameworks • Infrastructure as Code (IaC) • Patch Bundles • Bug Maintenance • Resiliency Architecture

• At least 18 years of age
• Legally authorized to work in the United States

Travel:
Travel Required (Yes/No): Yes

DOT Regulated:
DOT Regulated Position (Yes/No): No
Safety Sensitive Position (Yes/No): No
 

IN THE SECOND PARAGRAPH BELOW THE COMPENSATION RANGE AND BONUS INFORMATION THERE IS A LINK THAT WILL PROVIDE YOU WITH THE SPECIFIC PAY RANGE FOR EACH LOCATION WHERE THIS ROLE IS POSTED.

Base Pay Range: $100,100 - $180,600

Corporate Bonus Target: 15%

The pay range above is the general base pay range for a successful candidate in the role. The successful candidate’s actual pay will be based on various factors, such as work location, qualifications, and experience, so the actual starting pay will vary within this range.

At T-Mobile, employees in regular, non-temporary roles are eligible for an annual bonus or periodic sales incentive or bonus, based on their role. Most Corporate employees are eligible for a year-end bonus based on company and/or individual performance and which is set at a percentage of the employee’s eligible earnings in the prior year. Certain positions in Customer Care are eligible for monthly bonuses based on individual and/or team performance. To find the pay range for this role based on hiring location, click here.

At T-Mobile, our benefits exemplify the spirit of One Team, Together! A big part of how we care for one another is working to ensure our benefits evolve to meet the needs of our team members. Full and part-time employees have access to the same benefits when eligible. We cover all of the bases, offering medical, dental and vision insurance, a flexible spending account, 401(k), employee stock grants, employee stock purchase plan, paid time off and up to 12 paid holidays - which total about 4 weeks for new full-time employees and about 2.5 weeks for new part-time employees annually - 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, and voluntary long-term care insurance. We don't stop there - eligible employees can also receive mobile service & home internet discounts, pet insurance, and access to commuter and transit programs! To learn about T-Mobile’s amazing benefits, check out www.t-mobilebenefits.com.

Never stop growing!
As part of the T-Mobile team, you know the Un-carrier doesn’t have a corporate ladder–it’s more like a jungle gym of possibilities! We love helping our employees grow in their careers, because it’s that shared drive to aim high that drives our business and our culture forward. By applying for this career opportunity, you’re living our values while investing in your career growth–and we applaud it. You’re unstoppable!

T-Mobile USA, Inc. is an Equal Opportunity Employer. All decisions concerning the employment relationship will be made without regard to age, race, ethnicity, color, religion, creed, sex, sexual orientation, gender identity or expression, national origin, religious affiliation, marital status, citizenship status, veteran status, the presence of any physical or mental disability, or any other status or characteristic protected by federal, state, or local law. Discrimination, retaliation or harassment based upon any of these factors is wholly inconsistent with how we do business and will not be tolerated.

Talent comes in all forms at the Un-carrier. If you are an individual with a disability and need reasonable accommodation at any point in the application or interview process, please let us know by emailing ApplicantAccommodation@t-mobile.com or calling 1-844-873-9500. Please note, this contact channel is not a means to apply for or inquire about a position and we are unable to respond to non-accommodation related requests.