EXECUTIVE SUMMARY:

• Certified Professional with experience in Routing, Switching, Security devices, Wireless devices, designing and developing configuration, administration and troubleshooting LAN/WAN infrastructure.
• Proficient knowledge of troubleshooting, implementing, optimizing and testing of static and dynamic routing protocols such as EIGRP, OSPF, BGP, ability to interpret and resolve complex route table problems.
• Worked on Cisco 7200, 3800, 3600, 2800, 2600, 1800 series Routers and Cisco 2900, 3500, 4500, 5500, 6500, Aruba 2900, 5100 series switches.
• Experienced configuring Virtual Local Area Network (VLAN), VLAN Trunking Protocol (VTP), Port - channel, Spanning Tree Protocol (STP), RSTP, MST and Per VLAN Spanning Tree (PVST).
• Experience in Layer 3 Routing Protocol configurations: RIP v1 & 2, OSPF, BGP, EIGRP and MPLS.
• Experience in Layer 2 Protocol Configurations: ARP, RARP, ATM/FRAME RELAY and VPN technologies: IPSec & SSL.
• Experience of providing CloudGenix SDWAN installation and support.
• Well Experienced in configuring protocols HSRP, GLBP, VRRP, ICMP, PPP, HDLC, PAP, CHAP, and SNMP.
• Worked on network topologies and configurations, TCP/IP, UDP, bridges, routers, hubs and switches.
• Experience of configuring and implementing Network Access Control (NAC).
• Implemented security policies using ACL, Firewall, IPSEC, SSL, VPN, IPS/IDS.
• Expertise in medium/large sized LAN/WAN design/configuration & implementation with CISCO, and F5 equipment, wireless network design/configuration & implementation (includes VLSM) and IP services to meet medium level enterprise level network requirement
• Experience in working with Cisco Nexus 9k, 7k, 5k, 2k Switches and Virtual Port Channel configuration
• Transport Technologies MPLS
• Implemented traffic filters using Standard and Extended access-lists, Distribute-Lists, and Route Maps.
• Experience with MS Word, Access, Excel, PowerPoint and MS Outlook.
• Experience in installing and configuring DNS, DHCP server.
• Hands on experience in configuring and supporting site-to-site and remote access server, IPSec, VPN solutions using ASA/PIX firewalls, Cisco and VPN client, FirePower, Sourcefire.
• Cisco Security: Telnet, NAT/ACLs, AAA, Layer 2 Security, Layer 3 Security, IPS/IDS, Cisco (ASA, PIX) 5510, Cryptography, VPN, IPsec.
• Experience in analyzing network using monitoring tools like Solar winds and Wire shark.
• Experience of troubleshooting of remote and on-site network problems.
• Team player with excellent verbal and communication skills .
• Ability to understand complex network and document the network setup and processes for the easy management and maintenance.
• Ability in problem-solving, multitasking, team collaboration and demonstrated leadership skills and ability to lead team .

TECHNICAL EXPERTISE:

Routers: 1700, 1800, 2500, 2600, 3600, 3800, 7200, 7600; ASR 900, ASR 1000 series .

L2 & L3 switches : Cisco 2900, 3560, 3750, 4500, 5000, 6500; Nexus 7K, 5K, 2K & 3K; Aruba 2900, 5100

LAN Technologies : Ethernet, Fast Ethernet, and Gigabit Ethernet, VLAN, Inter-VLAN Routing, VTP, STP, RSTP, PVST.

WAN Technologies : Frame Relay, HDLC, PPP, ATM, MPLS, VPN, IPSec-VPN

Routing Protocols/Services : Routing Protocols (RIP v1 & v2, IGRP, OSPF, EIGRP, BGP), QOS, HSRP, VRRP, GLBP, TCP/IP, Proxy servers, IPsec, MPLS, PPP, IRDP, NAT, SNMP, SYSLOG, NTP, DHCP, CDP, DNS, TFTP and FTP Management

Load balancer : BIG IP F5 LTM/GTM (6400, 6800, 8800)

Routed Protocols : TCP/IP

Wireless: Aruba WLC 3200, 3400, 3600, 6000; Access Points 125, 175, 300, 320

Infrastructure services : DHCP,DNS,SMTP,POP3,FTP,TFTP

Network Managements : SNMP, SSH, Telnet, ICMP

Network Management Tools : Wireshark, Cisco Works, Ethereal, Solar winds.

VoIP Technology : Call Manager, Call Manager Express, SIP Trunking.

Network Securities : NAT/PAT, VPN, IPSec, Palo Alto Firewall,

Security Protocols : IKE, IPSEC, SSL-VPN

Firewalls : Firewalls/DMZ/VPNs ASA, PIX, Checkpoint, Fortinet Fortigate, Juniper SRX, Palo Alto, Cisco FirePower- Sourcefire.

Security Server Protocols : TACACS+, RADIUS.

PROFESSIONAL EXPERIENCE:

Confidential, IL

Network/Systems Engineer

Responsibilities:

• Provide technical support of LAN/WAN Routers/Switches for deploying, maintaining, and troubleshooting company network.
• Experience working on Aruba 2900, 5100; CAT 4500, 2900 series switches.
• Implemented, configured, troubleshooting of 1900, 2900, 3900 routers, Nexus 7000, 5000 Switches, and Cat 6500 switches as a Core Switches for LAN network of company.
• Configure Router OSPF, BGP routing.
• Configuring and troubleshooting the routers for Layer-3 redundancy by installing CloudGenix SDWAN and enhanced tracking for multiple groups for High availability.
• Experience of providing CloudGenix installation and support to all remote sites.
• Upgrading IOS on Cisco routers and performing routine health check of critical network elements.
• Working with ISP for making the Branch offices live and reachable.
• Experience with Enterprise Wi-Fi (Aruba Wireless) configuration and maintenance.
• Working in coordination with ISP for customers MPLS VPN - Zscaler setup.
• Experience on Switching Technology Administration including creating and managing VLANS’s, Port security, Trunking, RSTP, Inter VLAN routing, LAN security etc.
• Setup InfoBlox for local DHCP & DNS configuration.
• Configured DHCP scopes for voice and data VLAN segments.
• Configuring EIGRP, OSPF, BGP Routing protocols on routers.
• Configuration and implementation of OSPF, EIGRP, BGP, DHCP, and Ethernet implementation.
• Assisted Tech Support as it relates to LAN & WAN systems.
• Analyzed inconsistent VLAN issues and removed the VLAN over the trunks and implemented Rapid Spanning tree from STP.
• Working as end-to-end Change Management coordinator for activities related to Network changes.
• To prepare various reports (fault summaries, Incident reports) and update design document of the network diagrams according to the business requirement.
• Performed network mapping and scanning in various site locations.
• Assisted to configure and implement Network Access Control (NAC) at multiple site locations.
• Negotiate VPN tunnels using IPSec encryption standards, configured and implemented site-to-site VPN.
• Provide status reports on security matters to develop security risk analysis scenarios and response procedures.
• Experience in Implementing and Troubleshooting Service Provider Networks and Enterprise Networks.
• Performed wireless surveys at different locations using Ekahau wireless survey tools to optimize wireless efficiency of access points.
• Experience setting up, installing, maintaining, and troubleshooting a wireless network with Cisco-Meraki.
• Experience in reliability, scalability and availability of multi-site networking infrastructure consisting of Cisco and Meraki devices.
• Experience of monitoring various network devices using monitoring tools (Wireshark, Solarwinds).
• Diagnosed and troubleshoot network issues using Wireshark.
• Planning, deploying LANs/WANs voice interconnection using protocols VoIP, ISDN.
• Identifying reported incident, analyze impact to Network Operations, and develop action plan to mitigate incident
• Creating changes adhere to the change management processes, using service-now tool.
• Troubleshot the network issues onsite and remotely, depending on the severity of the issues.
• Satisfactorily Resolved Problems in timely manner with focus on providing a high level of support.

Confidential, Chicago

Network/Systems Engineer

Responsibilities:

• Provide engineering solutions in the infrastructure space with responsibility for the Systems and/or Network environment.
• Providing design & configuration solutions as well as day-to-day upgrades & administration.
• Performed installation, testing, configuration, troubleshooting, and maintenance for LAN network systems; Cisco Routers 3800, 7200 series, Catalyst Switch 3505, 6500 Series.
• In-depth knowledge of network monitoring, network equipment, and network operation techniques.
• Assisted in designing and managing the enterprise network including LAN/WAN.
• Performed OSPF, BGP, DHCP, and Ethernet implementation.
• Participated in the installation, configuration, and post installation daily operational tasks and configuration of the deployment of Cisco Nexus equipment.
• Configured and troubleshot VLAN's, STP, VTP, DNS, DHCP EtherChannels, Access Lists, EIGRP, NAT, QOS, BGP, MPLS and static routing.
• IOS up-gradation and password recovery on Cisco routers & switches.
• Enabled STP Enhancements to speed up the network convergence that include Port-fast, Uplink-fast and Backbone.
• Establishing VPN Tunnels using IPSec encryption standards and also configuring and implementing site-to-site VPN, Remote VPN.
• Creating Private VLANs & preventing VLAN hopping attacks & mitigating spoofing with snooping & IP source guard.
• Change management, co-ordination for planned activities and Network related changes.
• Assisted configuration performance on ASR (1004) Routers, Cat Switches, ASA Firewall Devices for network security implementation such as IP Sec VPN (Site-to-Site, Remote-Access) with GRE tunneling.
• Hands on Experience working with security issue like applying ACL’s, configuring NAT and VPN.
• Hands-on experience with WAN, Routers, Switches, TCP/IP, Routing Protocols (BGP/OSPF), and IP addressing, DMZ.
• Downloading and configuring Images of Cisco IOS to router from TFTP server, backing up Cisco IOS.
• Experience of managing, designing, and supporting Cisco FirePower 7000, 8000 and 9300 series devices.
• Experience on Cisco FirePower for system monitoring using dashboards, health monitoring.
• Experience on Cisco FirePower for IPS Device Deployments and Configuration, High Availability and Scalability, Appliance Platform Settings.
• Experience on Cisco FirePower for Network Address Translation (NAT), Access Control, Encrypted Traffic Handling, Intrusion Detection and Prevention.
• Experience on SourceFire for Availability and Scalability, Configuring Remote Management.
• Experience on SourceFirer for Editing Device Configuration, Configuring Interfaces.
• Experience on Cisco SourceFirer for IPS Device deployments and configuration, setting up virtual routers and switches, applying NAT policies, VPNs policies.
• Configuring and troubleshooting Cisco ASA Firewalls for Site to site VPN tunnels.
• Experience with connectivity of Cisco Networking Equipment with F5 Load Balancer.
• Provide best-practices advice for ongoing operations within other organizations.
• Assisting in the maintenance/development of security policies and procedures to support computer network.
• Advanced LAN knowledge, including Ethernet, VLAN tagging, STP, access/trunking, LACP, Stacking, L2 QoS, L2 security.
• Configured VLAN, VTP and trunks for network segmentation.
• Experience providing technical guidance and training application using Solarwinds.
• Ensure Network, system and data availability and integrity through preventive maintenance and upgrade.
• Identify, design and implement flexible, responsive, and secure technology services.
• Providing technical support and problem resolution for the LAN and its environment by analyzing the problems and identifying the cause and circumstances of the problems and identifying the solutions.
• Actively participated in meetings & discussions with team members regarding network optimization and network issues. and set up both L2 and L3 logical to have it communicate to the Enterprise network.

Confidential

Network Engineer

Responsibilities:

• Implemented, configured, troubleshooting, 1900, 2900, 3900 routers, Nexus 7000, 5000 Switches, and Cat 6513 switches as a Core Switches for LAN network of company.
• Deployed and decommissioned the VLANs on core ASR 9K, Nexus 7K, 5K and its downstream devices.
• Had hands-on experience with WAN (ATM/Frame Relay), Routers, Switches and IP addressing.
• Configuration and implementation of RIP, OSPF, EIGRP, BGP, DHCP, and Ethernet implementation.
• Supported core network consisting of Cisco 7200 series routers running multi area OSPF.
• Configuring VRRP, HSRP, 802.1Q and STP protocols in layer 3 3550, 3560, 4500 switches.
• Configuring EIGRP, OSPF, BGP Routing protocols on 2800, 2900, 3800 routers.
• Assisted Tech Support as it relates to LAN & WAN systems.
• Experience of MPLS, HSRP and VRRP environment.
• Experience on Switching Technology Administration including creating and managing VLANS’s, Port security, Trunking, RSTP, Inter VLAN routing, LAN security etc.
• Work with multiple routing/network protocols including NFS, SMTP, SNMP, PPP, DHCP, IP, FTP, DNS, ARP, and TCP, DMZ.
• Experience in F5, Cisco ACE load balancers.
• Used load balance applications based on F5 LTM 5250v.
• Experience with Load Balancers F5 LTM like 3900, 6900, 4200V over various environments. Hands on Experience working with security issue like applying ACL’s, configuring NAT and VPN.
• Performed the ACL request changes for various clients by collecting source and destination information.
• Configured Cisco ASA 5510 for VPN Network Access Control integration with Cisco ISE (Inline PEPs).
• Implemented and supported Cisco PIX, Cisco ASA, Cisco ACS/ISE.
• Moved Core switches and several non-Cisco devices under strict deadlines to maintain network functionality.
• Designed VLAN’s and set up both L2 and L3 logical to have it communicate to the Enterprise network.
• Working knowledge with F5 ASM / GTM/ LTM.
• Implemented and configured the Gateways, Voice Gateways.
• Network issue identification and resolution with Wireshark and Solarwind.