Rahul Basava
Senior Network Engineer @ T-Mobile | Cisco Certified
- Role
- Senior Cyber Security Network Engineer at T-Mobile
- Location
- Bellevue, WA, US
- LinkedIn followers
- 500 followers
Experience
Senior Cyber Security Network Engineer
Jul 2025 — Present · Seattle, WA, US
Manage daily firewall access requests across T-Mobile’s enterprise environment using Check Point R81.x and ServiceNow.Analyze routing paths, traceroutes, and logs (Splunk, SolarWinds) to determine traffic flow, rule placement, and compliance with segmentation standards.Create, modify, and optimize security policies, NAT configurations, and context-based HTTPS rules, ensuring DNS-resolvable external traffic and minimal rule duplication.Use CLI scripting for bulk object creation and high-volume deployments, enhancing consistency and efficiency.Perform end-to-end flow validation and troubleshoot packet drops, asymmetric routing, and policy misconfigurations.Maintain and audit the Global Allow List for outbound FQDN traffic, ensuring compliance with security and business standards.Leverage FireMon for policy optimization — identifying unused, redundant, or overly permissive rules to improve performance and audit readiness.Collaborate with vendors (Check Point, Cisco) on escalations involving policy replication or performance issues.
Education
Gokaraju Rangaraju Institute of Engineering and Technology
Bachelor's degree, Electrical, Electronics and Communications Engineering
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