Principal Technical Architect – Billing Platform

T-Mobile

Principal Technical Architect leading the design of solutions for Metro Billing platforms at T-Mobile, focusing on architectural leadership and hands-on technical engagement.

Posted 7/21/2026full-timeAtlanta • Texas, Washington • 🇺🇸 United StatesLead💰 $123,900 - $223,600 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in architectural design and technical leadership, ensuring scalable solutions and alignment with engineering best practices. Proficient in collaborating with cross-functional teams and stakeholders to translate business requirements into effective technical strategies.

Highest-signal resume keywords

Enterprise ArchitectureSolutions DesignTechnical LeadershipAgile MethodologiesSoftware Development Lifecycle

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Architectural DesignSoftware EngineeringTechnical DocumentationApplication Code ReviewAI-Assisted Engineering Tools

Soft Skills

CoachingMentoringCommunicationCollaboration

Tools & Technologies

LucidConfluenceJira

Industry Keywords

Enterprise ApplicationsPLMDistributed ComputingVirtualizationMiddle-Tier Services

About the role

Key responsibilities & impact

Lead architectural design decisions and provide technical leadership to ensure scalable and maintainable end-to-end solutions across multiple systems and Metro Billing capabilities.
Develop and maintain solution designs from concept through deployment, ensuring alignment with architecture standards, engineering best practices, and business requirements.
Partner closely with engineering teams to review application code, validate implementation approaches, and provide technical guidance throughout the software development lifecycle.
Translate business initiatives and requirements into scalable technical solutions while identifying implementation risks, dependencies, and opportunities for modernization.
Balance innovation with platform stability by recommending where new technologies and approaches should be adopted and where existing solutions should be maintained.
Own overall architecture for multiple capabilities, collaborating on frameworks, standards, and reusable components to support enterprise technology consistency.
Engage with business stakeholders during project ideation to define solution options and support business case development prior to project initiation.
Communicate solution designs through architecture diagrams, technical documentation, and design reviews using tools such as Lucid and Confluence.
Collaborate with Agile delivery teams using Jira to support planning, execution, and solution governance.
Coach and mentor engineers through architecture discussions, design reviews, and technical decision-making while promoting engineering best practices.
Evaluate and leverage AI-assisted engineering tools, such as Claude, to improve engineering productivity where appropriate.

Requirements

What you’ll need

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, Engineering or a related field. (Required)
7-10 years Progressive experience in software engineering/enterprise architecture/technology leadership across multiple products, systems and/or platforms coupled with strong business acumen and executive presence. (Required)
7-10 years Experience working in solutions design and enterprise architecture delivering IT solutions. (Required)
7-10 years Experience in Enterprise applications, PLM, middle-tier services, database, storage, distributed computing, virtualization and/or application technology. (Required)

Benefits

Comp & perks

medical, dental and vision insurance
flexible spending account
401(k)
employee stock grants
employee stock purchase plan
paid time off
up to 12 paid holidays
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
voluntary long-term care insurance
mobile service & home internet discounts
pet insurance
access to commuter and transit programs