Principal Architect, Systems

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Job Overview
T-Mobile for Business IT is seeking a seasoned Principal Solutions Architect to lead architecture strategy and execution for its B2B consumer-facing platforms. This role is critical in enabling differentiated, secure, and scalable digital experiences for enterprise and federal customers across commerce, onboarding, account servicing, and compliance domains.
The ideal candidate will bring deep Telco domain expertise, proven experience in enterprise architecture at scale, and a strong understanding of B2B constructs, regulatory frameworks (e.g., CPNI, USGCI), and customer-centric platform design.

Key Responsibilities

• Architect End-to-End B2B Experiences: Design scalable and secure solutions across onboarding, servicing, and commerce flows for T-Mobile’s enterprise and federal customer base.
• Drive Standards and Governance: Define, enforce, and evolve architectural standards for integration across BSS/OSS systems and partner platforms.
• Lead Strategic Integrations: Provide architectural leadership across Salesforce, ERP, billing, commerce, and customer management systems.
• Secure and Compliant Design: Ensure platform architectures adhere to regulatory and compliance requirements including USGCI, CPNI, and enterprise-grade data governance.
• Partner Cross-Functionally: Collaborate with product managers, UX teams, and engineering leads to deliver cohesive mobile-optimized experiences.
• Champion Platform Modernization: Lead initiatives for cloud-native development, containerization, API-first design, and data enrichment for transaction processing.
• Evaluate and Recommend Technology: Lead partner evaluations and proof-of-concepts for emerging B2B capabilities and vendor technologies.
• Deliver Enterprise-Ready Documentation: Maintain architecture blueprints, system documentation, and reusable patterns for development and operational use.
• Advisory and Thought Leadership: Act as an authority on B2B telco trends, platform evolution, and innovation pipelines for customer engagement.

Required Qualifications

• 7–10 years of experience in:
  • Telecom environments focused on customer-facing B2B product delivery.
  • Enterprise systems architecture or infrastructure design at scale in regulated environments.
• 5+ years of experience in:
  • Architecting or integrating Salesforce, ERP, and enterprise backend systems.
  • Working with customer-facing tools and ecosystems (e.g., Angular, Spring Boot, NBA).
• Experience with BSS/OSS systems, commerce engines, and 3rd-party vendor ecosystems.
• Strong understanding of federal compliance requirements, security standards, and data protection in the context of enterprise customers.

 

Preferred Qualifications

• Deep familiarity with cloud-native development (AWS, Azure), container orchestration (Docker, Kubernetes), and API-first integration strategies.
• Experience with federal and large enterprise customer constructs, including onboarding, account lifecycle management, and secure identity.
• Strong leadership presence and ability to communicate effectively across technical and executive partners.

 

What You Bring

• Strategic attitude with hands-on technical depth.
• Ability to lead across ambiguity with clarity and purpose.
• Deep empathy for enterprise customers and a passion for elevating their digital experience.
• Executional rigor combined with architectural vision.

 

If you’re ready to shape the next generation of B2B telco architecture and thrive in a fast-paced, mission-driven environment—this role is for you.

Our team is dynamic where no day is the same, and we are a diverse and inclusive team passionate about growth and innovation! If you're up to the challenge, apply today!

• 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: $123,800 - $223,300

Corporate Bonus Target: 20%

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.