Securing the Endpoint.

· Lead Engineer and Architect for CMDS (Comcast Malware Detection Service)· Deploy tools and systems to help customer facing security groups· Develop security policies and best practices· Engineering owner of the “Am I Botted?” service and platform· Evaluate and deploy various data feeds for bot/malware mitigation efforts· Engineer back-end solutions for various projects to serve the needs of the business unit· Administrate Linux production servers· Responsible for monitoring infrastructure

· Architect, Design and Deployment of a geo-redundant, active active RBL platform that is capable of one million queries per second with no single point of failure.· Systems Administrator for Residential, Commercial and Internal Anti-Abuse mail gateways.· Administrate Linux production servers.· Responsible for monitoring infrastructure. (Nagios, Custom scripts and plugins)· Authored workflow policy for the inbound and outbound mail platform. (Bizanga/Cloudmark Gateway)· SPAM Analysis

· Administrate Linux/Plesk based web servers.· Perform security audits and server hardening.· Daily duties include, but not limited to; Combating spam and malicious activity , maintain and develop security related rpms, and kernel updates.

· Administrate 3000+ Linux based web servers. · Provide technical support to managed dedicated customers. · Performed security audits and server hardening. Data recovery and Forensics. · Worked closely with government agencies (FBI, CIA, Secret Service) to assist in federal cases. · Daily duties include, but not limited to; Combating spam and malicious activity, data analysis and recovery, troubleshoot and patch server-side vulnerabilities.

· Provided field support for Digital Subscriber Line service (DSL). · Installation/Maintenance of Hi-Cap Data lines. · Installation of Co-Location equipment including racks and cabinets, data/ power cable runs and rack mount equipment.

· Provided phone customer support for technical related issues. · Troubleshoot connection issues, provided network support.; · Provided technical desktop related assistance for several short-term contracts. · Duties Including corporate workstation upgrades, repairs and support.

· Administrated company LAN/WAN/WLAN networks, both in tactical and non- tactical environments. · Added users to networks and provided technical support for Windows (Windows Environments). · Maintained company website, maintained local DHCP/DNS servers. · Installed, operated and maintained tactical mobile telecom (Voice/Data) networks on MSE (GTE, General Dynamics) equipment. · Troubleshoot network Radio link issues and found the most efficient way to resolve the issue. · Engineered LOS radio shot from Node Center and Remote switches to Small Extension Nodes. · Acted as site Team Leader (Senior SEN operator). Coordinated site layouts and network diagrams and execution. · Gave guidance and encouraged teamwork, moral, and a positive work environment to those under my command. · Coordinated conference calls, troubleshoot subscriber equipment. · Installed DNVT/DSVT's (Digital Non-Secure/Secure Voice Telephones.