Sr Engineer, Software - Security Operations [T500-20381]

About T-Mobile :

T-Mobile US, Inc. (NASDAQ : TMUS), headquartered in Bellevue, Washington, is America’s 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.

About TMUS Global Solutions :

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

TMUS India Private Limited operates as TMUS Global Solutions.

About the Role :

As an Engineer – Security Operations, you will be a key member of the CFL Platform Engineering and Operations team, you will lead reliability engineering for AI-powered platforms supporting LLM applications, AI gateways, and enterprise-scale services across finance, credit, collections, and document systems. You will design and implement observability and incident response frameworks, scale high-performance infrastructure, and champion SRE best practices to support secure, automated, and resilient systems.

What You’ll Do :

• Monitor and triage security alerts using SIEM tools like Splunk, Sentinel, or Chronicle
• Investigate suspicious activity and escalate confirmed incidents with clear documentation
• Tune and maintain detection rules based on threat intelligence, use cases, and false positive analysis
• Assist in incident response efforts, supporting data gathering, root cause analysis, and remediation steps
• Develop and maintain security automation scripts using Python, Bash, or PowerShell
• Support security workflow automation using SOAR tools and custom enrichment scripts
• Integrate security monitoring with cloud infrastructure, CI / CD pipelines, and observability platforms
• Document detection logic, response processes, and investigation workflows
• Collaborate with Cloud, SRE, and DevOps teams to improve system visibility and secure configurations
• Maintain awareness of current threats, vulnerabilities, and attacker techniques
• Participate in red team / blue team exercises, tabletop simulations, or detection validation projects

What You’ll Bring :

Must Have Skills :

Nice To Have :