Sr Systems Architect- Billing Platform

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Are you ready to join the Un-carrier movement

T-Mobile is bringing ownership of its legacy Postpaid Billing platform in-house. This platform is a mission-critical revenue-generating system supporting millions of postpaid customers and complex telecom billing scenarios.

As a Sr Systems Architect Post Paid Billing you will assist with transition from vendor dependency to internal ownership and establish a sustainable architectural foundation that ensures accuracy scalability stability and future modernization.

This is a hands-on architectural role requiring deep legacy systems expertise strong billing domain knowledge and the ability to guide large cross-functional engineering teams through high-risk transformation.

This role is critical for designing and building enterprise-class business intelligence solutions that support organizational decision-making. It involves architecting developing and implementing technology strategies in collaboration with architecture and development teams. The role requires influencing stakeholders and ensuring compliance with architectural standards across multiple technology domains. Success is measured by the ability to deliver scalable solutions that meet business requirements and align with enterprise architecture principles. The work impacts the organization by enabling reliable data-driven insights that enhance business operations and customer experiences.

We pride ourselves on encouraging a culture of innovation advocating for agile methodologies and promoting transparency in all we do. Join us and embody the spirit of being Un-carrier and make a tangible impact!

Job Responsibilities:

• Develop and enforce architectural guardrails to ensure compliance and support reliable delivery of technology solutions
• Collaborate with business and technical teams to translate requirements into optimized technology solutions
• Create and present high-level solution designs and technical documentation to guide development and leadership decisions
• Mentor and coach team members on best practices to strengthen technical capabilities and promote knowledge sharing
• Own the evaluation and implementation of infrastructure processes and tools to evolve technology services
• Support solution implementation by coordinating with development infrastructure testing and support teams
• Also responsible for other duties/projects as assigned by business management as needed
• Provide technical direction to solution architects design analysts developers and testers
• Review and approve high-impact designs and complex system changes
• Guide teams working with Pro*C C C Java Tuxedo and Oracle technologies
• Ensure architectural decisions support performance scalability resiliency and auditability
• Partner with Product Billing Operations Finance Revenue Assurance and Compliance teams
• Translate complex billing and pricing requirements into architecturally sound solutions
• Ensure systems meet financial accuracy regulatory and audit requirements
• Support billing cycle readiness and risk assessments
  

Education and Work Experience:

• Bachelors Degree plus 5 years of related work experience OR Advanced degree with 3 years of related experience (Required)
• Acceptable areas of study include Technology (Required)
• 4-7 years Experience with enterprise level database systems such as Teradata Oracle SQL Server or others emphasis on Teradata. (Required)
  

Knowledge Skills and Abilities:

• Database (Required)
• Data Modeling (Required)
• SQL (Required)
• Customer Service Management (Required)
• Problem Solving (Required)
• Microsoft Office (Required)
• Communication (Required)
• Information Architecture (Required)
• Experience with Tuxedo-based architectures
• Understanding of Oracle databases including:
• Ability to read understand and guide changes in legacy codebases

Architecture & Integration Skills:

• Enterprise system architecture and design patterns
• Batch near-real-time and asynchronous processing models
• Service-oriented and integration-driven architectures
• Data consistency reconciliation and audit control patterns
  

Leadership & Collaboration Skills:

• Proven ability to work technical direction across multiple teams
• Strong communication skills with both technical and non-technical stakeholders
• Ability to make high-impact architectural decisions under ambiguity
• Mentorship mindset with focus on building long-term internal capability
  

Preferred Qualifications

• Experience with telecom billing platforms
• Experience supporting modernization or transformation of legacy systems
• Familiarity with cloud or hybrid architectures (for future-state planning)

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

Travel:
Travel Required (Yes/No): No

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

Base Pay Range: $102000 - $184000

Corporate Bonus Target: 15%

The pay range above is the general base pay range for a successful candidate in the role. The successful candidates 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 employees 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 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 dont 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-Mobiles amazing benefits check out.

Never stop growing!
As part of the T-Mobile team you know the Un-carrier doesnt have a corporate ladderits more like a jungle gym of possibilities! We love helping our employees grow in their careers because its that shared drive to aim high that drives our business and our culture forward. By applying for this career opportunity youre living our values while investing in your career growthand we applaud it. Youre 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 or calling 1-. 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.