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!
Ready for the next chapter in your Un-carrier journey?The Principal Systems Architect is responsible for designing creative and scalable systems and software solutions that address business and technical needs on the web and across enterprise systems. This role helps define and maintain architecture and technology standards for applications, middleware, databases, and distributed systems—including both in-house and third-party solutions. As part of our continued digital evolution, this architect will also play a key role in modernizing supply chain architecture, integrating on-prem SAP with cloud-native microservices and API-driven ecosystems.
We pride ourselves on encouraging a culture of innovation, advocating for agile methodologies, and promoting transparency in all that we do. Join us in embodying the spirit of the 'Un-carrier' and make a tangible impact! Our team is dynamic—no day is the same—and we are diverse and inclusive, passionate about growth and transformation. If you're up to the challenge, apply today!
Job Responsibilities:
- Provide direct technical evaluation of third-party products for inclusion in T-Mobile solutions. Help define software development processes.
- Lead architecture efforts involving SAP ECC/S4 HANA and cloud-native supply chain integrations (e.g., WMS, TMS, 3PL/4PL) using REST APIs and middleware.
- Translate business requirements into scalable technical solutions and collaborate with development teams for implementation across e-commerce, inventory, and logistics systems.
- Lead the implementation of advanced capabilities including BOPIS (Buy Online Pickup In-Store), real-time delivery tracking, and warehouse automation.
- Define system integration standards and ensure alignment with enterprise architecture principles (e.g., TOGAF).
- Own hybrid architecture designs that leverage the reliability of on-prem systems with the agility of serverless, container-based cloud services.
- Participate in solution blueprinting and cloud migration planning for supply chain systems—focusing on scalability, security, and cost-efficiency (e.g., AWS, Azure, OCI).
- Conduct architecture reviews, create design documentation, and mentor teams in applying best practices for microservices, DevOps, and API management.
- Collaborate across teams—Product Owners, DevOps, Security, and Infrastructure—to deliver aligned, secure, and optimized solutions.
- Ensure performance tuning, system resilience, and data protection in both legacy and modern environments.
Education and Work Experience:
- Bachelor's Degree in Computer Science or related subject area. (Required)
- Technology certifications (such as Java, Microsoft, Oracle) a plus. (Required)
- 7-10+ years experience in business environments. (Required)
- More than 7 years of experience as software or systems architect, engineer, or programmer. (Required)
- 4-7+ years experience in B2C online e-commerce systems architecture and design, preferably with IBM WebSphere Commerce. (Required)
- 4+ years of experience in web experience management technologies including content management, search, analytics, and marketing automation (preferably Adobe CQ5). (Required)
- 4-7+ years of experience in architecture and design of mobile web applications, including responsive and hybrid models. (Required)
Knowledge, Skills and Abilities:
- Supply Chain Leadership: Lead the end-to-end design of supply chain systems (WMS, TMS, delivery, BOPIS, 3PL/4PL), aligning supply chain application design with T-Mobile’s customer-first values and omni-channel goals through cross-functional collaboration.
- Smart Supply Chain Solutions: Design advanced supply chain applications using real-time tracking and predictive models, while evaluating emerging technologies to keep operations cutting-edge. Evaluate and balance cost, performance, and complexity in application solution designs.
- Architecture Documentation: Create detailed application and solution architecture documents to support scalable, sustainable, and cost-effective solutions. Produce architecture documents while working closely with both business and technical stakeholders.
- SAP Integration: Integrate SAP systems with modern cloud-native platforms using APIs and middleware.
- Modern Architecture Practices: Apply microservices, containerization (e.g., Docker/Kubernetes), and serverless architecture principles.
Preferred Skills & Qualifications:
- Proven experience in implementing supply chain features like BOPIS, last-mile delivery, warehouse automation, and logistics integrations (TMS, WMS, 3PL/4PL).
- Strong knowledge of cloud platforms (AWS, Azure, Oracle Cloud) and cloud-native development.
- Experience managing technical debt and TCO (Total Cost of Ownership) in long-term architecture strategies.
- Familiarity with data privacy, encryption, and compliance standards in enterprise systems.
- Project leadership within Agile environments, with strong communication skills to bridge business and technical teams.
Licenses and Certifications:
- Relevant industry certifications in cloud architecture, SAP, or enterprise architecture frameworks (TOGAF) are a plus.
- 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
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, https://paylookup.t-mobile.com/paylookup?reqID=REQ312951¶dox=1At 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 [email protected] 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.
