Principal Systems Architect - Salesforce

Overview

At T-Mobile, we invest in YOU! Our Total Rewards Package ensures that employees get the same big love we give our customers. All team members receive a competitive base salary and compensation package - this is Total Rewards. 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. That’s how we’re UNSTOPPABLE for our employees!

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. This role is crucial for designing scalable systems and software solutions that meet business and technical requirements on web platforms, with a focus on B2B customer-facing experiences.

It involves defining and maintaining architecture and technology standards for applications, middleware, and databases across in-house and third-party solutions. The role provides guidance to project teams to ensure alignment to established standards and guidelines while enabling secure, scalable, and compliant digital experiences. Success is measured by the effective evaluation and recommendation of technologies aligned with organizational systems and goals. The work impacts the organization by enabling consistent, efficient, and innovative technology implementations that support enterprise and federal business objectives.

• 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.
• Evaluate third-party products to determine suitability for integration into organizational technology solutions, including enterprise platforms and vendor ecosystems
• Define and maintain software development processes to ensure consistent application architecture, API-first integration strategies, and technology standards
• Translate business requirements into technical specifications and support team members in solution implementation across onboarding, servicing, and commerce domains
• Provide architectural leadership for scalable, secure, and compliant B2B digital experiences across web and mobile platforms
• Stay ahead of industry trends, including cloud-native architectures and customer experience technologies, through continuous learning and professional engagement
• Understand and analyze business processes related to assigned projects to align technical solutions effectively across enterprise customer lifecycle needs
• Take ownership of new requests and see opportunities to enhance job outcomes, platform scalability, and organizational value
• Act as a domain expert and provide architectural guidance on platform evolution, integration strategies, and emerging technologies
• Also responsible for other duties/projects as assigned by business management as needed

• Bachelor's Degree plus 7 years of related work experience OR Advanced degree with 5 years of related experience (Required)
• Acceptable areas of study include Computer science or related field (Required) Technology certifications (such as Java, Microsoft, Oracle) a plus
• 7-10 years experience in business environment. (Required)
• 7-10 years experience as software or systems architect, engineer, programmer. (Required)
• 4-7 years experience in B2B online e-commerce systems architecture and design.(Required)
• 4-7 years experience in web experience management technologies included but not limited to self-services, content management, search, analytics, and marketing automation. (Required)
• 4-7 years experience in architecture and design of mobile web applications included responsive design and hybrid model for device native applications. (Required)

• Experience in telecom environments focused on customer-facing B2B product delivery.
• 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.
• 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.
• At least 18 years of age
• Legally authorized to work in the United States

Travel Required (Yes/No):
No

DOT Regulated Position…