Principal Architect, Systems

T-Mobile • Frisco, TX

2d

About The Position

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 critically important 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.

Requirements

• 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.

Nice To Haves

• 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.
• 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.

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 multi-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 a domain expert on B2B telco trends, platform evolution, and innovation pipelines for customer engagement.

Benefits

• Employees enjoy multiple wealth-building opportunities through our annual stock grant, employee stock purchase plan, 401(k), and access to free, year-round money coaches.
• 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.
• 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.
• eligible employees can also receive mobile service & home internet discounts, pet insurance, and access to commuter and transit programs!

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: No Education Listed
• Number of Employees: 5,001-10,000 employees