Job Description

About TMUS Global Solutions
T-Mobile is America's supercharged Un-carrier, challenging conventions and setting new standards in wireless. With the nation's largest and fastest 5G network, T-Mobile delivers advanced connectivity and unmatched value to millions across the U.S. We're unwaveringly obsessed with providing the best possible service experience, driven by a spirit of disruption that fuels competition and innovation in wireless and beyond.

: Senior Director, Engineering
Position Summary
The Senior Director of Engineering is a senior technical leadership role responsible for defining architectural strategy, leading multiple engineering teams, and delivering cloud-native, highly scalable enterprise platforms. This position requires deep hands-on engineering expertise, strong people leadership, and a proven ability to drive execution across large, complex portfolios. The Senior Director will partner with cross-functional stakeholders to ensure technology solutions meet business objectives for performance, reliability, scalability, and long-term sustainability.
Key Responsibilities
Engineering Leadership:

• Provide technical leadership and architectural guidance for the design, development, and deployment of cloud-native, microservices-based platforms.
• Establish and enforce engineering best practices, coding standards, and architectural principles across teams.
• Conduct detailed technical reviews of architecture, design, and code to ensure high-quality and scalable solutions.
• Lead modernization and transformation initiatives, including microservices decomposition, containerization, and event-driven architectures.

Technical Delivery & Execution:

• Oversee end-to-end delivery of multiple engineering portfolios, ensuring predictable, high-quality output aligned with organizational goals.
• Partner with Product, Architecture, Program Management, and Operations to define roadmaps, priorities, and delivery plans.
• Drive continuous improvement in engineering processes, tooling, automation, and operational maturity.
• Ensure platforms meet defined SLIs/SLOs, performance benchmarks, and compliance/security standards.

People Management & Organizational Development:

• Lead, mentor, and develop engineering managers, senior engineers, and architects; cultivate a high-performing engineering culture.
• Attract, hire, and retain top engineering talent; create clear career paths and development opportunities.
• Foster collaboration across distributed teams and partner organizations to support shared goals and outcomes.
• Promote a culture of innovation, ownership, accountability, and continuous learning.

Strategic Leadership:

• Define long-term technical strategy aligned with organizational and business objectives.
• Provide thought leadership on emerging technologies, engineering patterns, and industry best practices.
• Influence senior executives and stakeholders through clear communication of technical concepts, trade-offs, and recommendations.
• Manage budgets, staffing plans, vendor relationships, and technology investments as needed.

Required Qualifications:

• 12+ years of experience in software engineering, with at least 5 years in senior engineering leadership roles.

Demonstrated hands-on expertise in:

• Java, microservices, and RESTful API development
• Event-driven architectures (e.g., Kafka, Kinesis)
• Distributed systems and high-availability design
• Cloud-native development on AWS or similar cloud platforms
• CI/CD pipelines, DevOps automation, infrastructure-as-code
• Docker, Kubernetes, and container orchestration
• Proven experience delivering highly scalable, high-volume transactional systems (e.g., commerce, billing, payments, telecom platforms).
• Strong understanding of modern architectural patterns, system performance tuning, observability, and resiliency engineering.

Preferred Qualifications:

• Experience in telecom, financial services, e-commerce, or other large-scale transactional environments.
• Background in platform engineering, SRE, or enterprise modernization programs.
• Experience with globally distributed engineering organizations.
• Advanced degree in Computer Science, Engineering, or related field.

Leadership Competencies:

• Strategic thinking and ability to set multi-year technical direction.
• Strong decision-making capabilities in complex and ambiguous situations.
• Executive-level communication and presentation skills.
• Ability to influence and collaborate across cross-functional and senior-level stakeholders.
• Commitment to building diverse, inclusive, and high-performing teams.

Work Environment:

• Fast-paced, high-growth, enterprise technology environment.
• Collaboration with globally distributed teams.
• Occasional travel may be required.

Skills Required