Sr Architect - Cloud

T-Mobile • Bothell, WA

10d • $102,000 - $184,000

About The Position

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! Are you ready to join the Un-carrier movement? We are looking for a Senior Cloud Architect to join the Customer Hub (CHUB) team in DSG's Customer domain. This is a strategic and hands-on role focused on evolving CHUB’s architecture to support modern, scalable, and cloud-native systems. As a senior technical leader, you’ll drive solution design across multiple initiatives, working closely with product managers, engineers, and SREs to craft systems that are resilient, performant, and aligned with business goals. You'll play a key role in our cloud modernization journey, leveraging AWS services to transform legacy systems and embed standard processes into the team’s day-to-day engineering. You’ll have the opportunity to influence architecture decisions across a large-scale customer data platform, mentor engineers on cloud-native patterns, and contribute to the long-term technical roadmap that underpins customer experience across DSG. We are a team that encourages innovation and advocate an agile and open approach, truly working and playing in the Un-carrier way!

Requirements

• 8+ years of experience in software engineering and architecture roles with 3+ years passionate about AWS cloud solutions.
• Strong experience designing scalable distributed systems, microservices, and event-driven architectures.
• Hands-on experience with AWS services such as RDS, Lambda/Step Functions, S3, DynamoDB, ElastiCache, Elasticsearch, and Neptune.
• Proficiency with Infrastructure as Code tools (Terraform, CloudFormation), CI/CD pipelines, and Git-based workflows.
• Proven understanding of cloud security, scalability, high availability, and cost optimization principles.
• Strong communication and leadership skills; able to influence technical direction across teams.
• Bachelor's degree in Computer Science, Information Systems, or a related technical field—or equivalent practical experience.

Nice To Haves

• Background in Java/Spring Boot or similar frameworks; experience refactoring legacy apps for cloud-readiness is a plus.
• Sophisticated user in observability tools (e.g., Splunk, SignalFX, CloudWatch, Prometheus, Grafana).
• AWS Certified Solutions Architect – Professional (or equivalent hands-on expertise) strongly preferred.
• Continued education through technical certifications, bootcamps, or open-source contributions is valued.

Responsibilities

• Provide architectural leadership during the product intake phase—evaluating options, identifying risks, and helping define scalable solution designs.
• Own solution architecture across multiple parallel initiatives, ensuring design consistency and quality across CHUB components.
• Own the modernization of CHUB systems by driving cloud-native design and migration strategies using AWS services (e.g., RDS, Lambda, DynamoDB, Step Functions, Elasticache, Opensearch).
• Establish reusable cloud reference architectures aligned to AWS Well-Architected Framework and CHUB's technical vision.
• Partner with engineering, SRE, and platform teams to implement cloud infrastructure and services using Infrastructure as Code (IaC) and CI/CD automation.
• Coach and mentor engineers across CHUB in cloud architecture, security, resiliency, and observability practices.
• Participate in and lead design reviews, documentation efforts, and architectural governance processes.
• Promote technical excellence through mentorship, sharing knowledge and best practices, and documentation of architectural decisions.
• Support cloud cost optimization and recommend improvements to increase operational efficiency.
• Participate in incident reviews and root cause analysis for cloud-based systems.
• Collaborate with DSG’s central architecture and security teams to ensure compliance with enterprise standards.
• Evaluate new cloud technologies and tools, and advocate for their adoption where appropriate.

Benefits

• 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.
• 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.
• 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.
• eligible employees can also receive mobile service & home internet discounts, pet insurance, and access to commuter and transit programs!

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Number of Employees: 5,001-10,000 employees