T-Mobile · 18 hours ago
Senior Platform Engineer
Frisco, TX
Full-time
Onsite
Mid, Senior Level
$116K/yr - $209K/yr
4+ years expT-Mobile is a leading telecommunications company that is committed to investing in its employees through a comprehensive rewards package. The Senior Platform Engineer will develop and optimize platform services to support core data workloads and enhance infrastructure performance, collaborating with various teams to improve platform capabilities in an Agile environment.
InternetMobileTelecommunicationsWireless
Responsibilities
Designs, Develops and deploys platform services to enhance infrastructure performance, security, and cost-efficiency
Design, deploy, and maintain platform infrastructure across hybrid environments (on-prem, AWS, and Azure)
Architect and manage compute, storage, and networking resources across hybrid and multi-cloud environments
Support containerization and orchestration technologies, including Docker and Kubernetes, to standardize deployment practices
Optimizes existing platform services to handle core data workloads efficiently
Ensure system reliability, performance, and security through proactive monitoring, automation, and performance tuning
Troubleshoot complex platform and application integration issues impacting performance or availability
Develop, execute, and tune DML logic — queries, data migrations, transformations, and batch operations — for performance and reliability
Drive incident analysis and reliability reviews to improve operational posture and system resilience
Collaborates with engineering, data, and product teams to advance platform capabilities
Participate in on-call rotations and lead incident resolution and root cause analysis
Own DML operations for platform-managed databases (Postgres, Oracle, Cassandra) while collaborating with the Enterprise team responsible for DDL and schema governance
Design and maintain Kafka-based data streaming and message-driven workflows to enable asynchronous and event-based platform operations
Partner across engineering, DevOps, and data teams to design scalable solutions and resolve complex issues
Focuses on automation and operational excellence to improve developer experience
Build, enhance, and maintain Infrastructure-as-Code (IaC) solutions using Terraform, Ansible, or CloudFormation
Develop automation pipelines and scripts (Python, Bash, PowerShell) to eliminate manual processes and improve consistency
Lead CI/CD improvements for infrastructure deployments using GitLab CI/CD, Jenkins, or similar tools
Create reusable automation patterns and documentation for team-wide adoption
Lead initiatives to enhance monitoring, alerting, and observability using Prometheus, Grafana, ELK, CloudWatch, or Azure Monitor
Design and implement self-healing automation and proactive reliability improvements
Ensures robust platform architecture and practical engineering solutions
Engineer hybrid connectivity solutions and optimize network paths between datacenters and cloud services
Define and implement caching strategies (Redis, Memcached, or similar) to improve performance and reduce database load
Champion automation-first, data-informed, and DevOps practices across platform teams
Works within an Agile environment to streamline processes and enhance productivity
Contribute to Agile ceremonies, driving infrastructure readiness and delivery excellence
Qualification
Required
Bachelor's Degree plus 3 years of related work experience OR advanced degree with 1 year of related work experience OR combination of education and experience deemed equivalent
4-7+ years - Developing and deploying platform services with a focus on automation and operational excellence
4-7+ years - Collaborating with engineering, data, and product teams in an Agile environment to advance platform capabilities
4-7+ years - Optimizing infrastructure for performance, security, and cost-efficiency in a cloud environment
Agile Methodologies Expertise in applying Agile practices and principles to improve the efficiency and effectiveness of software development projects
Technical Leadership Ability to lead platform engineering teams, providing technical guidance and support in a dynamic environment
Problem Solving Strong analytical skills to solve complex technical issues and optimize platform performance and security
Data Management Proficient in managing and structuring large datasets to improve platform functionality and developer experience
Collaboration Effective in working cross-functionally with various teams to enhance platform capabilities and achieve business goals
Security In-depth understanding of cybersecurity principles to safeguard platform integrity and data privacy
At least 18 years of age
Legally authorized to work in the United States
Preferred
Acceptable areas of study include Computer Science or Related Field
Certified Kubernetes Administrator (CKA): Certification that validates the ability to design, build, configure, and expose native cloud applications for Kubernetes, an essential skill for platform engineers working with container orchestration
AWS Certified Solutions Architect: Certification demonstrating proficiency in designing distributed systems and applications on the AWS platform, which is crucial for optimizing platform services in cloud environments
Certified Information Systems Security Professional (CISSP): An advanced-level certification for IT pros serious about careers in information security, focusing on managing and securing corporate environments, aligning with the security aspects of the role
Benefits
Medical, dental and vision insurance
Flexible spending account
401(k)
Employee stock grants
Employee stock purchase plan
Paid time off
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
Company
T-Mobile
T-Mobile is a telecommunications company that provides wireless communication services, including mobile phone and internet services. It is a sub-organization of Deutsche Telekom.
10001+ employees
H1B Sponsorship
T-Mobile has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (533)
2024 (457)
2023 (433)
2022 (674)
2021 (522)
2020 (320)
Funding
Current Stage
Public CompanyTotal Funding
$17.37B2026-01-05Post Ipo Debt· $2B
2025-10-06Post Ipo Debt· $2.8B
2024-09-23Post Ipo Debt· $2.5B
Leadership Team
John Saw
President of Technology, Chief Technology Officer
Peter Osvaldik
EVP & CFO
Recent News
Fierce Network
2026-01-16
Company data provided by crunchbase