Sr Architect, Systems [T500-20283]

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 is a subsidiary of T-Mobile US, Inc. and operates as TMUS Global Solutions.

About the Role

The Senior Systems Architect is responsible for designing and delivering enterprise-class business intelligence and system architecture solutions. This role ensures that platforms and systems meet strategic and operational needs, while aligning with enterprise technology standards and innovation goals. Working closely with development teams, principal architects, and leadership, the Sr Architect shapes scalable solutions, creates architectural guardrails, and mentors other team members. This individual is a key contributor in driving transformation, modernization, and execution of the organization’s enterprise data and systems strategy.

What You’ll Do

• Design, develop, and present system architecture and technical solution documents for BI and enterprise projects
• Build high-level solution designs (HLSDs) and contribute to capital assessment reviews
• Collaborate with business and technology stakeholders to define requirements and align technical delivery
• Provide architectural guidance during the RFI / RFP process and serve as a subject matter expert across domains
• Lead the development of architecture guardrails, process frameworks, and platform strategy
• Mentor architects and technical teams on architecture standards, delivery best practices, and enterprise systems thinking
• Develop proofs of concept (PoCs), prototypes, diagrams, and technical documentation for new solutions
• Assess data sources, validate design assumptions, and create test / validation scripts
• Support visual modeling of system functionality, technical flows, and infrastructure dependencies
• Coordinate across enterprise functions to ensure systems interoperability, scalability, and business alignment
• Drive decision-making around enterprise-wide systems and influence executive stakeholders

What You’ll Bring

Must Have Skills

Nice To Have