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Lead Network Infrastructure Engineer Resume



  • To work for a company in a Network Lead/Architect position and in this capacity, work to improve the company's competitive advantage, provide leadership and direction in the delivery of Information Technology Services, develop plans which will generate revenue streams, and provide state of the art IT - based business solutions to its stakeholders. Expertise includes multiple platform environments, tools, LAN’s/WAN’s, data centers, planning, design, architecture, and infrastructure monitoring and management. Dedicated individual who works well in a team environment, admirable work ethic, dependable, and punctual. I strive to find a solution to problems and automate them..


Confidential, NY

Lead Network Infrastructure Engineer


  • Lead design role for multiple network technologies in the enterprise (LAN, WAN).
  • Being part of the team designing and implementing Cisco ACI fabric networks with Nexus 9000 switches and APIC controller for two datacenters.
  • Several data center implementation and migration projects using Cisco network and data center products, including Nexus 9000, 7000, 6000, 5000, 2000 switches.
  • Hands on experience on how to create different application policies in the ACI including Tenants, Application Network Profile (ANP), End Point Group (EPG), Contracts, Subjects and Filters
  • Hands on experience on the Fabric Access Policy including how to create switch policies, interface policies, AEPs, Physical and External Domains.
  • Hands on experience on Fabric Discovery Activity including Out of Band Configuration, Verifying the APIC Health, Verifying the LEAF Health and Verifying remote access to all the out of band management devices
  • Extensive experience in configuring and troubleshooting of protocols static, EIGRP, OSPF, and BGP.
  • Migrated the datacenter switches from 6509E VSS to a Nexus Infrastructure with Nexus 7k and 6k in the core and 5ks and FEX (2232, 2248) for different DMZs.
  • Designed Out of Band (OOB) network using Nexus 6k,5k and 2k(FEXs)
  • Designed Virtual Device Context (vDC) configuration on the Cisco Nexus 7000 series.
  • Single / Double-sided Virtual Port Channel (vPC) configuration on Nexus 9k. 7k, 6k, 5k with single or dual-homed FEXs.
  • Designed a setup a datacenter at a colocation and interconnected the colocation datacenter to the other datacenters
  • Performed installation and configuration of distributed Cisco Secure Access Control Server (ACS) configuration for AAA and added cisco devices, F5 and Checkpoint Firewalls to Cisco TACACS+ server
  • Designing and implementing BGP peering with ISPs manipulating inbound and outbound traffic utilizing the appropriate attributes.
  • Performed load balancing and application level redundancy by deploying F5 BIG-IP LTM VIPRION 2400, 5050 series.
  • Created vCMP guest, Virtual servers, pools, adding / removing nodes from pools
  • Administration and configuration of Check Point (R77.10 &R77.20) firewall polices day-to-day network security support for internal and external clients.
  • Experience in adding Rules and Monitoring Checkpoint Firewall traffic through Smart Dashboard and Smart View Tracker applications.
  • Troubleshooting firewall access related issues between servers in the DMZ and behind firewall for 3rd party connectivity as well as routing and switching in the network.
  • Experience in site-to-site IPSEC VPN and remote access VPN
  • Configured netflow on routers and switches using Cisco NGAs as netflow generator and Scrutinizer (Plixer) as the analyzer
  • Upgraded Cisco IOS and NX-OS (disruptive and non-disruptive) for Catalyst and Nexus devices.
  • Troubleshooting features such as TCPDUMP, FW Monitor, Packet Capture sniffing and export them using CLI and Wireshark as well as debug on the appliances for network connectivity issues.
  • Experience for Riverbed WAN Acceleration devices
  • Utilizing SolarWinds for monitoring and report generation.
  • Very familiar and follow ITIL Change Management process


Sr. Network Engineer


  • Design new CUNY sites for central office and other colleges and make sure that network connectivity and security between sites and data center are in place.
  • Install and configured cisco routers, switches and firewalls of various models. Upgrade codes, IOS, and patches for different network devices
  • Configure LAN infrastructure for different as mainly collapsed core VSS and VRF and maintain the loop free environment in the network using STP and guarding the stable STP network using protocols such as Root guard, UDLD and BPDU guard.
  • Worked in coordination with the team members in completing the projects assigned in a timely manner.
  • Responsible for managing the Campus wireless network. Performed Site surveys, ordered equipment (Light weight access points, antennas etc.), working on installing and configuring access points as per customer requirements.
  • Provision APs in Wireless Controller and configure in Cisco Prime Infrastructure and populate maps with APs, based on floor plans. Configure autonomous APs whenever necessary.
  • Consulting and implementation and support ISE security services to clients.
  • Configuring do1x authentication for guest wireless using ISE.
  • Work with Cisco Identity Services Engine (ISE) to manage dot1x authentication for BYOD.
  • Monitor the network with Network Management platforms, such as SolarWinds, ACS, and monitor and respond to system and network alarms and alerts
  • Manage day-to-day calls and tickets for various engineering and trouble-shooting tasks. Perform layer 2, 3, 4 troubleshooting and work with NOC and junior engineers to solve complex tickets.
  • Deploy and implement corporate infrastructure using protocols BGP, EIGRP, OSPF, RIP, Static, VPN, Multicast, Layer 2 protocols.
  • Manage Collocation and Disaster Recovery facilities.
  • Design VPN links (Site-to-Site, Remote Access) and implement/modify firewalls rules based on user needs.
  • Provide Optical Support such as DWDM network.
  • Mentor others to develop their technical expertise.


Associate Network Operation Manager


  • Involved in the configuration & troubleshooting of routing protocols: RIP, EIGRP, OSPF, and BGP.
  • Design and install new branch offices with data and voice network.
  • Providing daily network support for Global wide area network consisting of MPLS, VPN and point-to point site.
  • Monitoring the SolarWinds for different Network Alerts and troubleshoot networking issues.
  • Supporting level 2 & 3 problems of internal teams & external customers of all locations.
  • Performed switching technology administration including VLANs, inter-VLAN routing, Trunking, STP, RSTP, port aggregation & link negotiation, port security
  • Administer Cisco ACS server with RADIUS, TACACS+.
  • Configure and administer Cisco firewall, VPN, DMZ using ASA 5540, 5520 and 5510
  • Creating proper documentation of Network Client diagrams and Network documentation in MS Word, MS Visio.
  • Worked on Upgrade of Cisco WAP, Wireless controllers, and troubleshooting it.
  • Troubleshooting the issues with LAN and WAN. Checking the link status on daily basis.
  • Coordinate with service providers for WAN link outages.
  • Worked with Cisco vendors and service providers to open tickets and resolved networking issues.
  • Managed Cisco VoIP Telephony voice infrastructure consists of CallManager, Unity Connection, Unity Express, UCCX/IPCC Express, Voice Gateway and ISDN/T1-PRI.
  • Configured and troubleshoot cisco 7942, 7960, 7962, 7970, 7975 IP Phones.
  • Programmed and set up IPCC including application script programming, IP phone/desktop/supervisor agent creations and report generations.
  • Troubleshoot all routing and switching issues related to both data and voice traffic.
  • Maintained and supported all PSTN and Voice over IP services to ensure high levels of availability and customer service.
  • Configured MGCP and H323 voice gateway routers, WAN T1/PRI, FXS/FXO, etc.
  • Supported and administrated the centralized multi-site Cisco IP telephony environment over WAN connections.
  • Deployed, configured, maintained and monitored comprehensive telephony components including Cisco Unified Call Manager, Cisco Unity, Cisco IPCC Express, gateway routers and Cisco MeetingPlace.
  • Familiar with telephony administration including Call Routing, Extension Mobility, Scripting,
  • Create dial-plans, route patterns, route groups, route lists, calling search space, partitions
  • Bulk Admin phones by Device Pool, Lines, Partitions, CSS etc.
  • Created Voice Mail boxes, call handlers, create and reset passwords, MWI's etc., administered and maintained Active Directory on Unity.

Confidential, New York, NY

Network Engineer


  • Configuring routers, switches and access point as per the business requirement.
  • Configuring and Troubleshooting RIP, EIGRP, OSPF Routing Protocols.
  • Redistribution of routing protocols between EIGRP and OSPF.
  • Troubleshooting LAN and WAN problems, Application working slow problems.
  • Client’s Network team and change management control team.
  • Configuring network devices for tacacs, syslog, snmp, DNS.
  • Back up, restored and upgraded Cisco IOS using TFTP server
  • Monitor /maintain network connectivity and traffic using network monitoring tools to ensure optimal performance.
  • Responsible for researching new technology directions and making recommendations for improving the reliability & functionality of LAN & WAN.
  • Prepare Design documents, Visio diagrams and Implementation plan for all projects on the network environment.
  • Design and Implementation of load balancing of Cisco routers.
  • ITIL Process follows up (Change management, issue management, quality management).
  • Upgrade/Design/Install Cisco catalyst 6500 series switches in various sites based on the network standards.
  • Perform all implementation as per Change Management control standards.
  • Configure the devices in Cisco works for monitoring and configure SSH authentication.
  • Creating standard operating procedures of Network devices.

Confidential, City of New York, NY

Network Administrator


  • Extensive knowledge of working with the following equipment: Cisco routers (17xx, 26xx, 28xx, 36xx, 37xx, 38xx and Cisco switches (Cat 6500, 4500, 5505).
  • Making test plan and test exit report according to customer’s requirements.
  • Create, Configure & troubleshoot VLAN, HSRP, Port-Channel and Port Security, VTP Configuration and RSTP implementation with Cisco Catalyst switches.
  • LAN/WAN configuration using routing protocols like Static, RIP, EIGRP, and OSPF.
  • Monitor /maintain network connectivity and traffic using network monitoring tools to ensure optimal performance.
  • Responsible for researching new technology directions and making recommendations for improving the reliability & functionality of LAN & WAN.
  • Create, Configure & Troubleshoot IPSec site to site VPN through SDM and manual daily basis.
  • Create, Configure & Troubleshoot F5 load balancing network (3600 Series).
  • Sniffing/capturing/monitoring live traffic streams through Wireshark.
  • Redesign and implement OSPF and HSRP and administering BGP, EIGRP and IS-IS routing protocols.

Confidential, Naperville, IL

Network Analyst


  • Network Installation, Device configuration including Cisco 2600, 2800, 3600, 3800 series routers, Cisco catalyst 2950, 2960G, 3560, 3750, 4500, 6500 series and Wireless Access Points.
  • Configured Cisco (2500, 2600, and 2800) and Routers using OSPF and maintain a large switching Environment (Cisco 1900, 2900 and Linksys).
  • Administering and troubleshooting a security and server Environment including Cisco ASA 5500 series firewall, Windows 2008 and different OS (Windows XP, VISTA, 2000).
  • Maintain and develop network hardware and software standards for existing and new technologies.
  • Experience in NAT (Static NAT, Dynamic NAT, PAT), Clumping of Cross Cables, Straight Cables.
  • Installing, testing and terminating CAT5 cabling.
  • Reporting and documenting network issues day to day basis.
  • Design and maintain a large L2 switching Network including VLAN and inter VLAN routing.
  • Design and Implementation of network security policies with ASA/PIX firewall including GRE and IPSec tunnels.
  • Maintaining OSPF, RIP and EIGRP network.
  • Design and deploy LANs, WAN (Frame-relay and PPP), and wireless networks.
  • Installation, configuration, maintenance and troubleshooting of end user workstation hardware, software, and peripheral devices in Windows 2003 Server Environment sometimes.

Confidential, Chicago, Illinois

Systems Analyst


  • Installed, configured and upgraded Red Hat Enterprise Linux and Windows 2003 on HP ProLiant DL320, Dell Power edge 1950 server.
  • Installed and configured printer, network printer and network monitor with whatsupgold software.
  • Provided Technical supports for internal users and resolved trouble shooting tickets.
  • Configured Wireless access point, troubleshoot and ensure user access.
  • Configured servers like DNS, DHCP, Samba, NFS, NIS and Send mail, HTTP, FTP, Telnet, SSH, Firewalls and package management using RPM patch management.
  • Account user and group administration, Permissions policy management and quota implementation.
  • System performance monitoring, tuning and log management.
  • Management of Firewall, iptables, tcp wrappers, PAM and proxy.
  • Installation and configuration of database systems e.g. MySQL, Oracle.
  • System monitoring and remote connection management using telnet and SSH connections.
  • System monitoring 24x7 on-call rotation for support of production system.


Routers: 1800, 2500, 2600, 2800, 2900, 3600, 3700, 3800, 3900, 7200, ASR 1000 series Routers

Switches: Cisco Catalyst 1900, 2900, 2960G, 3550, 3560, 3750, 3850, 4500, 4500-X, 6500, 4500X, Nexus 9k,7k,6k,5K3k, 2k, and Nexus 1000v series Switches.

Security: Cisco ASA 5505, 5510, ASA 5520, ASA 5525X, ASA 5540, 5585X, and Checkpoint Firewalls.

Wireless: Cisco 2504, 5508, 8500 series wireless controllers, Cisco Identity Services Engine (ISE), Cisco Prime Infrastructure, Cisco Mobility Services Engine (MSE), Cisco 1200, 2500, 2600, 3500, 3600, 3700 series Wireless Access Points.

Routing Protocols: BGP, OSPF, EIGRP, RIP, and Static



Network monitoring Tools/Acceleration/ Network Simulation: SolarWinds, SevOne, Cisco works, Cisco Access Control Server (ACS), Zenmap, TCPDUMP, Wireshark, WAASRiverbed Steelhead

Operating Systems: Windows 2000/XP/7/8/10, Windows Server 2000/2003/2008/2012 , Red Hat Linux, Centos, Cisco IOSNX-OS. IOS-XE

Software/Application: Microsoft Office Suite 2000/XP/ 2003/2007/2010, Microsoft Visio, Adobe Suites, TeamViewerGroupWise, SecureCRT, WinZip, VMware Workstation, VMware Esxi, vCenter, vMotion

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