Senior Database Admin - Cassandra [T500-27125]

About T-Mobile: T-Mobile US, Inc. (NASDAQ: TMUS), headquartered in Bellevue, Washington, is America’s supercharged Un-carrier, connecting millions through its strong nationwide network and flagship brands, T-Mobile and Metro by T-Mobile. Customers benefit from an unmatched combination of value, quality, and exceptional service experience.

About TMUS Global Solutions: TMUS Global Solutions is a world-class technology powerhouse accelerating the company’s global digital transformation. With a culture built on growth, inclusivity, and global collaboration, the teams here drive innovation at scale, powered by bold thinking. TMUS India Private Limited operates as TMUS Global Solutions.

The Senior Database Engineer plays a key role in designing, implementing, and maintaining robust database systems that support T-Mobile’s large-scale applications and analytics. This position drives the modernization of database platforms, adoption of cloud-native data technologies, and continuous improvement of performance, reliability, and automation across mission-critical systems. You will collaborate with software engineers, cloud architects, and DevOps teams to deliver secure, scalable, and high-performance database solutions that align with business and technical objectives. The role combines strong database engineering expertise with strategic thinking and hands-on technical execution.

What You’ll Do:

• Design and implement enterprise-grade database architectures for transactional and analytical workloads.
• Automate database provisioning, schema management, patching, config management and upgrades through CI/CD pipelines for both, on-prem and Cloud native database.
• Support cloud database platforms (e.g., Datastax Astra. AWS: DynamoDB, Keyspaces, Azure: Cassandra, Managed instances).
• Implement observability, monitoring, and alerting for database performance and reliability.
• Ensure compliance with data governance, security, and backup/recovery standards.
• Partner with application, infrastructure, and DevOps teams to deliver integrated data solutions.
• Mentor junior engineers and contribute to technical design reviews.
• Lead troubleshooting and root cause analysis of complex database issues.

What You’ll Bring:

• Bachelor’s or master’s degree in computer science, Information Systems, or a related technical field.
• 5+ years of experience in database engineering, development, or administration.
• Expertise in Cassandra database full Lifecycle support.
• Strong understanding of data modeling, indexing, replication, sharding, and partitioning.
• Hands-on experience with cloud database services (AWS, Azure, GCP).
• Proficiency in scripting (Python, Bash), Ansible and Terraform for automation and integration.
• Familiarity with containerization (Docker/Kubernetes).
• Proven ability to tune queries and design performant, scalable data architectures.
• Excellent analytical, problem-solving, and communication skills.

Must have skills:

• Database Administration: Datastax Cassandra, DynamoDB
• Database Development: Cassandra, RDBMS, CQL
• Data Modeling or Data Model
• Python and bash.

Preferred Skills:

• Knowledge of Infrastructure as Code (Terraform, CloudFormation, Ansible).
• Exposure to observability tools such as Prometheus, Grafana, Splunk and Open Telemetry.
• TMUS India Private Limited, operating as TMUS Global Solutions, has engaged ANSR, Inc. ("ANSR") as its exclusive recruiting partner. That means that any communications regarding TMUS Global Solutions opportunities or employment offers will be issued only through ANSR and the 1Recruit platform. If you receive a communication or offer from another individual or entity, please notify TMUS Global Solutions immediately. TMUS Global Solutions will never seek any payment or other compensation during the hiring process or request sensitive personal data (such as bank details or government-issued identification numbers) prior to a candidate’s acceptance of a formal offer.