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Network Engineer - Mobility Application Security Engineering
AT&T • Freelance
Aug 2025 - Jan 2026 • 5 mos
Supported application security and firewall governance for AT&T’s Mobility Packet Core (4G/5G). Implemented and validated firewall policies based on vulnerability findings. Monitored security activity using Juniper JSA and AlgoSec, analyzing logs and SIEM alerts for incident response. Contributed to cross-team security governance to standardize firewall change approvals and improve policy compliance.