SUMMARY:

Offer strong technical expertise and 15+ years’ experience working in diverse wired and wireless environments ranging in size and complexity. Adept at designing, configuring, implementing, and optimizing network hardware and device performance; perform requirements and capacity analysis to ensure alignment with company needs. Manage robust security requirements using cutting - edge appliances, best practices, and standardized policies & procedures. Lead and manage project resources; coordinate project activities for on-time, high-quality delivery.

AREAS OF EXPERTISE:

• Device/Hardware Installation & Configuration
• Project Management/Project Delivery
• Upgrades, Migrations/Moves, Integrations
• Secure Remote Network/Data Access
• Security Incident Response/Investigations
• Vulnerability Scanning/Threat Prevention
• Vendor and Client collaboration/interfacing
• Network Diagrams/Technical Documentation

TECHNICAL SKILLS:

Routers: Cisco 831, 1700, 1811, 2600, 2800, 3600, 3800, 2500, 7000 Series

Switches: Cisco 2900, 3500, 3760, 4000, 5500, 6500 Series

Firewalls/IDS: Cisco Firewalls (ASA-5510, 5520, 5540-ASDM 6.1, PIX 520, 515e, 525), Juniper Firewalls (SSG-350M & SSG-1000), Checkpoint Firewalls (NGX R65, R76), McAfee IntruShield 2600 IPS, Blue Coat Web Content Proxy, Websense Triton, Cisco MARS-v6.1.2, Entrust Identity Guard (Two-factor Authentication Server), RSA Authentication Server, Cisco ACS Server v4.0-4.1, F5 Load Balancers, Cisco Load Balancers CSS-Content Services Switch Load Balancer

VPN: Cisco Router, PIX, Cisco ASA IPSec Tunnels Site-to-site and Remote Client User VPN, Cisco 5001/3000 Concentrator Remote Client VPN, Juniper NetScreen-site-to-site IPSec Tunnels

Wireless: Cisco Aironet 1200 Series Access Points-Bridges, Cisco Aironet 802.11a/b/g Wireless LAN Client Adapters Wireless LAN User Access/Site-to-Site LAN Connectivity, Cisco Wireless Control System (WCS)

Software: Wireshark, Sniffer Pro, Nessus Vulnerability Scanner 5.0.1, Concord eHealth, HP OpenView, SolarWinds Orion, Castle Rock SNMPc monitoring, NetFlow Analyzer, Cacti MRTG, Air-Magnet Wireless Site Survey, Visio, Remote Admin, VNC, Avaya VPN Client, Cisco EZ VPN Client

Platforms: Cisco IOS, CatOS, Juniper Net Screen Manager v2008.2r2a, Windows OS, Windows Server

PROFESSIONAL EXPERIENCE:

Confidential, Chicago, IL 

Network/Security Engineer

Responsibilities:

• Conduct site surveys, capacity analyses, network assessments, and health checks for mid-to-large corporations and data center environments.
• Install and implement configuration/policy changes on Cisco, Checkpoint,Juniper, and F5 network devices.
• Collaborate with technical teams to execute application migration activities, including network ports/protocols configuration, firewall rules updates, traffic analysis, and LAN/WAN connectivity troubleshooting/problem resolution.

Network Security Engineer

Confidential

Responsibilities:

• Researched and troubleshot issues related to firewalls, IDS/IPS, endpoint, and routers to secure client and third-party networks.
• Utilized Cisco MARS, Nessus, Websense Triton Web filter; configured and troubleshot Checkpoint and Cisco security devices (ASA, VPN, IPS/IDS).
• Identified security issues, monitored security events, reviewed log files, platforms, endpoints, and services, performed vulnerability scanning, and handled remediation/containment.
• Managed corporate and data center security policies; assisted with security investigations.

Network/Security Engineer

Confidential

Responsibilities:

• Supported, designed, and implemented client network environment.
• Configured Cisco routers, switches, and firewalls; analyzed network traffic; and troubleshot and resolved connectivity and performance issues.
• Responded to change requests and coordinated planned outages with stakeholders.

Network Engineer

Confidential

Responsibilities:

• Implemented Cisco WAP to test Zebra wireless printers for remote locations.
• Installed and configured RADIUS Server, Cisco 1200 access points, and Cisco LAN switches to build test bed network.
• Used SolarWinds to monitor LAN/WAN at corporate and remote locations.
• Upgraded Cisco IOS. Updated Visio network diagrams.

Network Engineer

Confidential

Responsibilities:

• Configured and managed firewall rule sets/policies, Cisco ASA/PIX, Juniper, Checkpoint NGX firewalls, F5 load balancers, MPLS BGP WAN, Cisco LAN, and multiple IDFs.
• Supported and managed internal production & development network segment connectivity.
• Managed WAN circuit upgrade for remote locations; configured Cisco routers/switches, upgraded IOS, and coordinated/performed T1 & DS-3 circuit activation with WAN circuit providers.
• Used SNMPc to monitor LAN/WAN, addressed Remedy tickets, and resolved circuit issues with vendors.

Network Engineer

Confidential

Responsibilities:

• Monitored and responded to network alerts for hospital campus network environment. Troubleshot and resolved connectivity issues.
• Delivered VPN migration project; built Cisco IPSec site-to-site tunnels from Cisco 3000 to Cisco ASA firewall platform and Cisco EZ-VPN remote client sites/users.
• Managed and supported Cisco campus LAN switch environment with multiple floors and remote sites.

Network Engineer

Confidential

Responsibilities:

• Configured, troubleshot, and supported Cisco network and VPN devices.
• Implemented add/modify/change configuration requests; updated network diagrams and technical documentation.
• Collaborated with vendors to activate circuits and resolve issues.

Network Engineer

Confidential 

Responsibilities:

• Implemented and supported data network for corporate and remote locations, including Cisco LAN switches, LAN/WAN routers, Nortel 5520 switches, and Cisco 3750/4006/6509 switches. Assisted with network upgrades and other project work.
• Earlier engagements include Network Engineer with Kaplan Professional