PROFESSIONAL EXPERIENCE

Confidential

Lead Network Engineer

Responsibilities:

• Responsible for support of network devices in teh Chicago Transit Authority's network infrastructure, for rail, corporate offices and remote sites
• Working with routing protocols BGP, OSPF, EIGRP, multicast routing
• Support of Cisco Catalyst switching technology including Cisco 3000 series, IE 3000/4000 series, Nexus 7000, 5000, and 2000 series switches
• Support of Cisco routers to include ASR 1XXX, 39XX, 38XX
• Support Lucent Alcatel SONET optical nodes LWN 1670 DMX and DMXTND (extenders) with accompanying line card and transceiver modules
• Support of NVR and CCTV devices for passenger security
• Documentation of network infrastructure and procedures on a continual basis
• Collaborating with, and mentoring team members on job related tasks

Confidential

Senior Network Engineer

Responsibilities:

• Working on projects assisting VOIP IP telephony firmware upgrade and Cisco 1100 Expresswayappliances
• Working with Cisco ASA firewalls as needed to modify firewall rules to halp implement projects asneeded
• Implementation of F5 LTM VIPS configuring load balancing for various applications
• Working with Cisco Nexus and Catalyst switches
• Troubleshooting of OSPF, BGP and assisting in project implementation
• Working with Cisco Nexus 7K, 5K, and 2K server network access and storage
• Working with Cisco hardware router refresh implementing Cisco 4431 and 4451 routers
• Working with project for Pivotal Cloud Foundry for cloud installation
• Implementing Talari 5000 and E - 100 for SD WAN

Confidential

Senior Network Engineer

Responsibilities:

• Worked with this company’s global financial client as dedicated engineer on Nexus platform to include 7000, 5000 and 2000 series switches
• Catalyst switches to include 6800, 6500, 3850, 3750, 3560 as well as wireless LAN controllers 2508 and 5508
• Worked with Infoblox for DNS and DHCP scopes
• Troubleshooting of WAAS, Cisco ACE and F5 load balancers
• Also work with other clients as need needed for VPN,DMVPN, multicast and routing incidents to include BGP, OSPF, multicast and IPSEC technologies
• Network refresh of Green Tree Lending's remote office access layer switches, replacing Cisco Catalyst 3548P with Cisco Catalyst 3750X switches
• Provided Bill of Materials (BOM) for branch office project
• Configured 3900 and 2900 routers as voice gateways for State Farm VOIP initiative
• Responsible for router configuration with regards to routing protocols OSPF and EBGP
• Installed router hardware such as PVDM’s, FXO/FXS as well as RAM for various router installations
• LAN optimization using Ether switch modules, also working with EIGRP, OSPF and BGP

Confidential

Senior Network Administrator

Responsibilities:

• Working with Cisco Catalyst switches from Cisco 6500 to Cisco 2950. Deployed to Bagram Air Force base in Afghanistan.
• Responsible for over 1,500 layer 3 and layer 2 devices
• Troubleshooting and optimization of LAN infrastructure
• Responding to layer 1 and layer 2 issues utilizing Remedy for SLA and issue resolution
• Supervised and mentored several junior network administrators
• Network design and architecture of MAN for optimization and tuning of data and voice networks
• Contractor for teh McDonalds Corporation optimizing and troubleshooting restaurant
• Engineered traffic policing for MS SCOM/SCCM application between data centers
• Worked with BGP, OSPF and RIP routing protocols using Cisco 7206,3925, 3825, 2811 routers, HP 8000 switches
• Maintained lab infrastructure for application testing and optimization using Cisco Catalyst and Hewlett-Packard switches, in a multivendor environment
• Redesign and architecting of MPLS and lab network and data centers for data network communications
• Provided Bill of Materials (BOM) for data center design project

Confidential

Associate Director of IT/Network Engineer

Responsibilities:

• Designed WAN infrastructure for co-location center implementation
• Installed Cisco Clean Access Network Admission Control (CANAC) OOB in production and lab environments
• Implemented BGP within teh Association infrastructure utilizing HSRP and tracking for redundancy
• Configuration and troubleshooting on IPSec tunnels
• Implemented ASA 5520 using SSM-20 IPS modules to replace Juniper NS 204
• Segmented network and placed spanning-tree safeguards in place
• Implemented Solarwinds network performance monitor for SNMP replacing Opmanager
• Working with Cisco Catalyst 6513, 6509,3560,3550 and 2950 switches as well as 7204, 2811, 3925, 2691 and 3620, routers
• Implemented Cisco NAC clean access for internal network remediation
• Redesigned WAN infrastructure for teh association public facing network, for internet access

Confidential

Network Engineer

Responsibilities:

• Provide maintenance and troubleshooting of network.
• Configuration of Cisco routers (7206, 7200, 2821).
• Performed network monitoring using HP Openview and SNMP.
• Used teh protocols: TCP/IP, BGP, EIGRP, ATM, MetroE, Frame-relay.
• Configured routers for ATM circuit implementation.
• Wide area service provider for teh Deutsche-Boerse Eurex financial market application.
• Was mainly responsible for monitoring and troubleshooting network
• Worked closely with vendors (MCI, SBC, et al).
• Troubleshooting of access-lists T-1, T-3, E-1, E-3 circuits. Protocol-EIGRP, policy based routing.
• Installation, maintenance and support of routing, local area switching, and security
• Mainly used Cisco PIX firewalls (515, 525, 501, 506) and VPN concentrators, frame-relay, and ISDN.
• Configure, setup and maintain VPN 3030 Cisco concentrators.
• Used CiscoWorks and Solar winds, for monitoring network.
• Installed and configured Cisco Ethernet switches (3524, 3508, 6500, 4006).
• Cisco wireless access points for teh Chicago Public School systems.
• Tested, integrated, and performed quality assurance for internet work connectivity.
• Technologies implemented: TCP, routing, switching, Cisco Routers, Catalyst switches, ISDN, PRI, ATM, T-1, T-3 OSPF, BGP, EIGRP, RIP, PIX firewalls, VPN concentrators, HSRP, UDP SNMP, SMTP, DNS, ARP, RARP

Confidential, Chicago, IL

Network Operations Support Technician

Responsibilities:

• Monitoring of Cisco VPN WAN connections using IBM Tivoli SNMP software.
• Performed backups and monitored enterprise application servers.
• Design and implementation of switched network using Cisco technology with Catalyst 6500, 4006, 4003, 3600, 2900, 1900 switches as well as installation and setup of Cisco 4500, 3600, 2600, 2500 routers.
• Managed NT and Novell in this environment utilizing IPX and TCP/IP including internal and external BGP, OSPF, and EIGRP.
• Maintained and installed Microsoft IIS, Microsoft SQL, and Citrix Metaframe servers.
• Worked exclusively with Visio 97/2000 for design implementation.

Confidential /Network Engineer

Confidential

Responsibilities:

• Administered NT and Novell servers, worked with Citrix and Secure ID while managing 26 servers and supporting 800 users both in office and remotely.
• Implemented Microsoft solution for an e-commerce project utilizing IIS 4.0, SQL Server 7.0, and Site Server 3.0.
• Administrated Checkpoint and Raptor mobile server firewalls. Implemented Citrix upgrade for a brokerage firm. Worked in heterogeneous network environment synchronizing user passwords between a Novell NDS tree and Windows NT 4.0 domain assisted remote end users when needed.
• Installed Microsoft Windows NT based networks utilizing TCP/IP protocol.
• Installed and provided troubleshooting of Synoptic hubs, Cisco 2500 routers, Micron servers, and workstations.
• Implemented network conversion from Novell 4.0 (applications and data) to Windows NT 4.0.
• Assisted Telco’s with teh setup and troubleshooting of frame relay, ISDN, and ATM networks. Troubleshooting and maintaining IP protocols such BGP and OSPF.

Confidential

Network Administrator

Responsibilities:

• Designed and implemented Ethernet networks.
• Troubleshooting and optimization of 12 separate Windows NT Server 4.0 networks across a Wide Area Network utilizing VPN technology.
• Installed Cisco routers, switches, Hewlett Packard 10 Mbps hubs, and 3Com 10/100 Mbps hubs. Assisted in teh administration of CC:Mail 8.1.
• Responsible for Wide Area Network and desktop systems troubleshooting.
• Arranged for services agreements and teh purchasing of computers & related peripheral devices whenever necessary.
• Router setup utilizing EIGRP protocol.