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.

Job Description

Senior Software Engineer Resiliency

About T-Mobile:

T-Mobile US, Inc. (NASDAQ: TMUS), headquartered in Bellevue, Washington, is Americas supercharged Un-carrier, connecting millions through its strong nationwide network and flagship brands, T-Mobile and Metro by T-Mobile. Customers benefit from an unmatched combination of value, quality, and exceptional service experience.

TMUS Global Solutions:

TMUS Global Solutions is a world-class technology powerhouse accelerating the companys global digital transformation. With a culture built on growth, inclusivity, and global collaboration, the teams here drive innovation at scale, powered by bold thinking.

About the Role:

- T-Mobile runs some of the most transaction-intensive systems in U.S. telecommunications millions of payments, device activations, and customer interactions processed every day. When those systems fail, customers feel it immediately. Your job is to make sure they dont.
- Were building the next generation of resiliency solutions including automated failover, cross-datacenter orchestration, observability pipelines, and AI Ops. This is hands-on, high-ownership engineering work with real consequences at real scale. As a Senior Engineer, youll drive complex feature development, take ownership of key workstreams, and bring the technical depth needed to earn trust across application teams, DBAs, network engineers, and platform architects alike.
- If you thrive in ambiguity, move fast, and hold yourself to a high bar this role was built for you.

A Few Things Worth Knowing:

- This team operates in an async-first model with regular sync touchpoints across U.S. and India time zones. Youll have real ownership of features and workstreams not just task execution. The systems you work on are production-critical, and the team holds itself to high standards for reliability, documentation, and operational discipline.




- If youre looking for a role where youll be handed clean requirements and a clear path, this probably isnt it. If you want to do work that matters, build things that run at scale, and grow fast in a high-trust environment wed like to talk.
- We pride ourselves on encouraging a culture of innovation, agile ways of working, and transparency in all we do. Join us in embodying the spirit of the Un-carrier and make a tangible impact!

What Youll Do:
- Design and build complex resiliency features and automation solutions that protect T-Mobiles most critical systems across multiple datacenters
- Take full ownership of workstreams end-to-end from design through delivery within the broader architecture and technical direction set by the team
- Work across multiple technologies and applications, operating as a trusted technical partner to application owners and platform engineers
- Contribute meaningfully to technical design discussions bringing well-reasoned proposals, raising risks, and helping the team make better decisions
- Mentor junior and mid-level engineers through code reviews and hands-on guidance
- Proactively engage application owners and drive conversations to unblock delivery
- Design and implement observability solutions build monitoring dashboards, alerting, and health-check mechanisms to provide real-time visibility into failover readiness and execution
- Recommend and contribute to best practices evaluate current processes, identify gaps, and propose improvements for failover patterns, automation standards, and operational runbooks
- Document everything create clear, comprehensive technical documentation, architecture diagrams, runbooks, and onboarding guides that enable team scalability and knowledge transfer

What Youll Bring:

Must Have:

- 5+ years of hands-on software engineering experience across multiple technologies, languages, and system layers
- Strong first-principles understanding of distributed systems,



fault tolerance, and failure modes not just framework familiarity, but genuine depth earned through production experience
- Demonstrated ability to take ownership of complex features and deliver them end-to-end with minimal hand-holding
- GitLab CI/CD expertise
- Python/Bash scripting; strong YAML skills
- AWS and Kubernetes experience at production scale
- Familiarity with secret management solutions (CyberArk, Vault)
- Accountability mindset you own problems end-to-end, you dont wait to be unblocked, and you escalate with context and a proposed path forward
- Solid documentation skills ability to translate complex systems into clear, actionable guides

Who You Are:

- Self-driven You take ownership, find answers yourself, and dont wait to be told what to do next
- First-principles thinker When something breaks in an unfamiliar system, you reason from fundamentals. You dont just apply patterns you understand why the pattern exists
- Collaborative contributor You actively participate in technical design conversations, bring well-reasoned ideas, and work constructively within the direction the team has set
- Fast learner You ramp quickly on new tools and ecosystems with minimal guidance
- Independent operator You can engage app teams directly, extract what you need, and fill gaps through your own research
- Fast, iterative, and comfortable with ambiguity You ship something workable quickly, learn from it, and improve. You dont need the perfect spec to start
- Relationship builder You build trust with stakeholders and drive conversations forward
- Communicator with standards You write clearly, document proactively, and treat your teammates time as valuable
- Continuous improver You dont just execute you identify whats suboptimal and propose better ways of doing things, then follow through
- Knowledge sharer You believe documentation is a first-class deliverable, not an afterthought

Nice-to-Have:

- Ansible and failover engineering experience
- Telecom or large-scale enterprise environment experience
- Experience with observability platforms (Splunk, Grafana, Prometheus, OTEL)
- Experience using AI coding tools (Claude, GitHub Copilot, ChatGPT) as a genuine productivity multiplier not just having tried them, but having integrated them into your workflow

📌 Sr Engineer, Software (Hyderabad)
🏢 TMUS Global Solutions
📍 Hyderabad