Principal Architect, Systems (Oracle Commerce Cloud & ...

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 employeesJob OverviewT-Mobile is in the midst of a multi-year Oracle ERP and Commerce transformation that is central to how we enable our dealer and partner ecosystem. We are seeking a highly experienced Principal Architect to play a critical role in shaping the architecture, integrations, and long-term strategy of our Oracle ERP and Oracle Commerce Cloud platforms. This role is mostly focused on this transformation for the next two-plus years and is designed for an architect who thrives in complex, ambiguous, and high-impact environments.Why This Role MattersThis role sits at the heart of T-Mobile's effort to modernize how we onboard, support, and transact with our dealer network. By enabling seamless self-service experiences across onboarding, credit, contracting, provisioning, and invoicing, this architect will directly influence dealer satisfaction, operational efficiency, and digital commerce capabilities. This is a build-it, own-it environment where architectural decisions have long-term enterprise impact.What You'll DoOwn end-to-end soluton architecture across Oracle ERP, Oracle Commerce Cloud, and integration platformsDefine and author conceptual, logical, and end-to-end architecture artifactsLead integration strategy including security, data flows, reliability, and scalabilityPartner closely with product, engineering, UX, operations, and system integratorsSet architectural standards and ensure adherence through design reviewsActively participate in incident analysis, root cause identification, and long-term remediationInfluence enterprise architecture direction while owning domain-level decisionsWhat Success Looks LikeIn the first 90 days, success is defined by rapid learning, thoughtful assessment of current-state architecture, and the ability to identify and propose meaningful improvements. Beyond 90 days, this role is expected to drive execution on architectural initiatives, extend solutions into a long-term roadmap, and shape strategic direction across ERP and Commerce platforms.Who Thrives in This RoleSuccessful candidates are comfortable navigating ambiguity, influencing without authority, and owning outcomes end to end. They communicate clearly with both technical and non-technical stakeholders, challenge assumptions constructively, and bring a strong engineering mindset to everything they do.What Makes This Role ChallengingThis role operates within a complex enterprise environment undergoing significant transformation. Architects must balance speed and stability and work across global teams and make decisions with incomplete information. Resilience, adaptability, and accountability are essential.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 discipline. Technology certifications (such as Java, Microsoft, Oracle) a plus (Required)10+ years of experience in enterprise or solution architectureHands-on experience with Oracle Commerce Cloud or Oracle Fusion ERPDeep expertise in high-volume, high-availability integrationsStrong understanding of security, PII, CPNI, and compliance considerationsProven ability to lead through influence and navigate organizational complexityPreferred ExperienceOracle Integration Cloud experience

Created: 2026-01-19