Principal Systems Architect - Salesforce

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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.

Job 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.
• 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

Education and Work Experience

• 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)

Preferred Qualifications

• 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 :
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,

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

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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.

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