PROFESSIONAL SUMMARY:

• 6 +years of experience in Networking, including hands - on experience in providing network support, installation and analysis for a broad range of LAN / WAN communication systems of both Cisco and Juniper Networks.
• Profound knowledge in deploying routing protocols like OSPF, BGP, EIGRP, RIP, MPLS, ISP, IP Multicast and Policy routing on Cisco routers like 2600, 2900, 3600, 3900, 7200 and 7600 series.
• Experience in layer-3 Routing and layer-2 Switching. Strong hands on experience in installing, configuring, and troubleshooting of Cisco Nexus 7k, 5k, 2k, Cisco router models like 7200, 4400, 3800, 3600, 2800, 2600, 2500, 1800 series and Cisco catalyst 6500, 4500, 3750, 3500, 2900, 3750, 3850 Stack Switches and Juniper devices.
• Experience with designing, deploying and troubleshooting LAN, WAN, Frame-Relay, and Ether-channel.
• Implementation of HSRP, VRRP and GLBP for Default Gateway Redundancy.
• Experience in skillful deployment of Layer-2 technologies like VLANS, VTP, STP, RSTP, Inter-VLAN routing, VLAN Trunking, Ether Channels, VLAN access-maps and port security.
• Switching tasks include VTP, IPSec and GRE Tunnelling, VLANs, Ether Channel, Trunking, Port Security, STP and RSTP.
• Configuring Call Manager 8.x, 9.x, 10.x, with cisco IP Phones.
• Cisco IP Phone installation Adding IP phone’s in bulk.BAT procedure, Managing IP phones services like Extension Mobility, Mobile connect, LDAP, Calling search space (CSS). VOIP protocols i.e. SCCP, SIP.
• Configuration of Telnet
• Experienced in VOIP calling features and highly proficient in SIP call flow scenarios
• Switching related tasks included implementing VLANS, VTP, RSTP, STP and Port security.
• Performed EIGRP, OSPF & BGP routing protocol administration.
• Maintain and configure HSRP & VRRP for consistency on all VLAN's across a redundant Core.
• Maintain a thorough understanding of the basics behind the Internet and its workings (DNS, Security, IP Routing, HTTP, VPN, Email Routing etc.).
• Performed IOS upgrades on various models of IP Internetworking layer 2/3 switches
• Creating security and access policies to the end users using Cisco ISE connected within the network.
• Expert Level Knowledge about TCP/IP and OSI models.
• Ability to interpret and resolve complex route table problems.
• Efficient in preparing technical documentation using Microsoft office and Visio.
• Excellent working knowledge of TCP/IP protocol suite and OSI layers.
• Demonstrated experience in developing, implementing, auditing Checkpoint firewall (R77.30) configurations and analysing, optimizing rule sets.
• Design & administer public wireless using Cisco 5500 WLC and Cisco Prime for network monitoring and configuration.
• Advanced proficiency with Cisco Wireless (APs, Controllers, ISE and Prime).

TECHNICAL SKILLS:

Routers: Cisco 1700, 1800, 2600, 2800, 3700, 3800, 3900, 7200, 7600 series, ASR9k

Switches: Cisco 3550, 3750, 4500, 6500 series & nexus 7k, 5k, 2k, 1000v, 1010

Load Balancer: Cisco CSS, F5 Networks (BIG-IP)

WAN Optimization: Cisco WAAS, PPP Multilink

Routing: OSPF, EIGRP, BGP, RIP-2, PBR, Route Filtering, Redistribution, Summarization, Static Routing

Switching: VLAN, VTP, STP, PVST+, RPVST+, Inter VLAN routing & Multi-Layer Switching, Multicast Operations, Layer 3 Switches, Ether channels, Transparent Bridging

LAN: Ethernet, Fast Ethernet, Gigabit Ethernet, FDDI, CDDI, Token Ring, ATM LAN, Emulation

WAN: Leased lines 64k - 155Mb (PPP / HDLC), Fiber Optic Circuits, Frame Relay, ISDN, MPLS, DMVPN

Voice: Cisco call manager 8.x, 9.x, 10.x

IP Telephony: VOIP, ISDN, PRI, Unified Call Manager

Wireless: Cisco 4400 Wireless Controller (WLC) and 1100, 1200 series Access Points

Operating Systems: IBM AIX (6.1, and 7.1), VMWARE, Windows 2000/NT4.0, Windows 2012R2, XP, Vista/7/8/10), Cisco IOS

Protocol Analyzer: Wireshark

PROFESSIONAL EXPERIENCE:

Confidential, Atlanta, GA

Sr. Network Engineer

Responsibilities:

• Working as Level 3 Network Engineer in On-shore Network Support team which provides Level 3 Network support to various sites Networks across the globe.
• Providing Support and Administration for the entire OC project which includes Cisco routers, switches, and access points.
• Deployed Cisco ACS using TACACS+ for Authentication, Authorization and Accounting of access to network devices
• Providing L3 support for LAN / WAN.
• Installed and configured CSPC software on Windows and Linux platform depending on the needs.
• Maintained End of Life reports for Cisco prime infrastructure.
• Responsible for installing New servers depending on the client needs.
• Hands on experience managing Cisco ISE appliance to support deployment of Network Access Control functionality on LAN switches in an enterprise environment
• Performed WAN Optimizations with strict QoS policies for converged voice, video and data traffic and integrated with Net flow tools (OPNET, Manage engine) for the traffic analysis and to optimize the WAN links.
• Planned, designed, installed, configured and maintained fiber optic network, wireless Access points of 802.11 a/b/g/n.
• Configure Multicasting Protocols like IGMP and CGMP.
• Remotely troubleshoot and configure WAN equipment including routers, switches, firewalls, modems (Cisco, Sonic Walls and Juniper)
• Configured Cisco switches for L3 and L2 VLANs with HSRP, VTP and EIGRP implementations.
• Responsible to provide technical assistance in the CISCO Call Manager environment.
• Responsible for voice technology operations based on Cisco VoIP solutions with specific expertise in several areas including Cisco Call Manager, Unity voicemail, Windows Servers, Linux servers and router/switching/gateway telephony technologies
• Involved in the configuration & troubleshooting of routing protocols: MP-BGP, OSPF, LDP, EIGRP, RIP, BGP v4. Configured IP access filter policies.
• Configured switches for LAN/WAN, WLANs, Access list, 802.11a/b/g/n/ac, Cisco PRIME, Cisco (MSE).
• Experience with Firewall Administration, Rule Analysis, Rule Modification
• Troubleshoot traffic passing managed firewalls via logs and packet captures
• Configured and resolved various OSPF issues in an OSPF multi area environment.
• Managed fast Layer 3 switched/routed LAN/WAN infrastructure as a part of Network team. The LAN consisted of Cisco campus model of Cisco 3550 at access layer, Cisco 6513 at distribution/core layer.
• Working with Cisco Nexus fabric Extender and Nexus 5500 series to provide a Flexible Access Solution for datacentre access architecture.
• Perform IOS upgrades in Cisco Routers and Switches including Nexus 3K and 5K.
• Dealing with Cisco ASA 5550 providing advanced application-aware firewall services with identity-based access control denial of service (DoS) attack protection all built upon market-proven Cisco PIX Security Appliance technology.
• Hands-on experience with WAN (ATM/Frame Relay), Routers, Switches, TCP/IP, Routing Protocols (BGP/OSPF), and IP addressing.
• Installed different software on the systems. Install and managing network devices including Hubs, Switches.
• Layer 2 switching technology architecture, implementation and operations including L2 and L3 switching and related functionality. This includes the use of VLANS, STP, VTP and their functions as they relate to networking infrastructure requirements including internal and external treatment, configuration and security.
• Modified internal infrastructure by adding switches to support server farms and added servers to existing DMZ environments to support new and existing application platforms.

Environment: In Corporate office architecture with highly reliable & secured network including Cisco routers (7200, 3800, 2800) and Cisco switches (6500, 3700, 4900, 2900), Nexus (7K, 5K & 2K) Routing Protocols (EIGRP, OSPF, BGP), Switching protocols (VTP, STP, GLBP, HSRP), Cisco PIX (525, 535), ASA (5505, 5510), FortiGate Firewall 80C, 100d, 1240b on Forti OS5.2., Checkpoint, Palo Alto, Load balancers.

Confidential, Torrance, CA

Network Engineer

Responsibilities:

• Performed daily maintenance, troubleshooting, configuration, and installation of all network components.
• Configured CISCO Routers (3600, 4000 Series) and 3550, 4500 series switches.
• TCP/IP network planning, Implementation and Management with subnets.
• Implemented Virtual LANs across Routers and Switches.
• Implemented and Configured IP Routing Protocols: OSPF, EIGRP, and RIPv2.
• Analysis of the requirements and conduct technical discussion on requirements with Architects.
• Configure and install various network devices and services (routers, switches, VPN, etc.)
• Perform network maintenance and system upgrades (service packs, security configurations, etc.)
• Monitor performance and ensure system availability and reliability.
• Participate in design and support of networking and programming for light industrial equipment.
• Maintaining the Network Infrastructure, Installation, migration and configuration of routers and switches for clients.
• Test plan preparation includes classification of high-level test scenarios, detailed test cases drafting and documentation. Advanced knowledge of Call Manager 8.x,9.x,10.x, Cisco Unity
• Works closely with network services teams to ensure proper integration with networking infrastructure
• Watches industry trends and developments, both direct or through a third parties, to ensure the company is aware and educated on emerging technologies
• Worked on CUCM Administration work, Adding of IP phone through CUCM, Registering voicemail users in CUE.
• Provided knowledge transfer to Level 2 Engineers on new implementations.
• Configuration of NIM Master, NIM clients and nodes installation through NIM
• Participate in planning sessions to build LPARs and migrate applications
• Configured volume groups and logical volumes, and extended logical volumes for file system growth needs using Logical Volume Manager (LVM) commands
• Build LPARs and support application migration activities following build and security standards
• Involved in test bed setup in Lab, Configuration and troubleshooting of Network Components.
• Involved in functionality QA Validation of the feature in major and minor releases.
• Tracking the functional defects by raising bugs and closing them post verification.
• Working closely with the developers and Architects for delivering the releases in timely manner.
• Preparation of daily status report, weekly status report, requirements traceability matrix, defect report.
• Lab setup and Lab activities.
• Upgrading IOS, troubleshooting network outages.
• Implemented and configured LAN Protocols: Ethernet, VLANs, VTP and STP.
• Worked with Remedy Ticketing tool in maintaining and keep a track of logs/monitor.
• Designed and implemented IP Addressing, Subnetting, Route Summarization and Route Distributions.

Environment: LAN, WAN, Subnetting, VLAN, VTP, VPN, NAT, OSPF, BGP, EIGRP CISCO Routers (3600, 4000 Series) and 3550, 4500 series switches, Salesforce, Cisco 7600 routers.

Confidential, Austin, TX

Network Administrator

Responsibilities:

• Defined and set up network protocols, Network File Services (NFS), and Network Information Services (NIS); provided support by 24/7 shift rotation basis and pager support.
• Configuring and maintaining Nexus 7k and 5k in Cisco Catalyst Switches 3850, 3650, 2960's in the data center and remote sites.
• Firewall Access policy creation, NAT, SSL, Site to Site VPN, Remote access VPN configurations, DMVPN tunnel configuration, web filtering.
• Configuring equipment and software to meet business needs, trains others on the solution and documenting the solution for ongoing support.
• Designing and deploying of Local Area Network LAN, Wide Area Network WAN solutions.
• Defining and documenting implementation guidelines, deployment of solutions, following developments in product range, standardizing on hardware and software revision levels.
• Providing technical support and assisting with the design of network solutions. Providing technical services and field support as well as network administration (DHCP, DNS, routers, firewall, etc.)
• Performing daily administration and support of the networking infrastructure including WAN circuits, LAN's, WAN's, Switches, Routers, Firewalls and other related network
• Perform advanced troubleshooting, diagnostics and provide tier/level-1 solutions to network failures. Network Migration from RIP to OSPF and EIGRP.
• Designed VLAN's and set up both L2 and L3 logical to have it communicate to the Enterprise network. In-depth expertise in the implementation of analysis, optimization, troubleshooting and documentation of LAN/WAN networking systems.
• Responsible for maintenance and utilization of VLANs, Spanning tree, HSRP, VTP of the switched multi-layer backbone with catalyst switches.
• Monitor performance of network and servers to identify potential problems and bottleneck. Worked with snipping tools like Ethereal (Wireshark) to analyze the network problems. Hands on Experience working with security issue like applying ACL's, configuring NAT and VPN.
• Troubleshoot TCP/IP problems, troubleshoot connectivity issues in multi-protocol Ethernet, Environment. Support customer with the configuration and maintenance of ASA firewall systems. Migrated Vlan's from ASA (perimeter firewalls) to FWSM's for better security management.
• Involved in Local Area Network (LAN) implementation, troubleshooting, and maintenance as per company's requirements.
• Configured VLANs with 802.1q tagging. Configured Trunk groups, ether channels, and Spanning tree for creating Access/distribution and core layer switching architecture.
• Implemented Cisco Wireless Access Points and WLC's at various corporate sites fort 11n Infrastructure and its legacy technologies.
• Access Switches Password Recovery.
• Configuration of Telnet, Management of access switches through core switch.
• Responsible for maintenance and utilization of VLANs, Spanning tree, HSRP, VTP of the switched multi-layer backbone with catalyst switches.
• Remediating vulnerabilities discovered by Vulnerability Scans for the Cisco Network devices at both the hardware and software level. Configure, install firmware and software patches and research security incidents.
• Worked on CUCM Administration work, Adding of IP phone through CUCM, Registering voicemail users in CUE.
• VLAN configuration and management, Trunk configuration and management, Configure routing between VLAN’s.
• Adding of user in Voice Router through CUCME, Adding of IP Phones through BAT format.
• Managing wireless LAN controller, Access points AP's - Cisco 5520 Wireless Controller, AIR-CAP2602I-A-K9, AIR-CAP2702I-A-K9, AIR-CAP3702I-B-K9
• Working with Network Access Control (NAC) / Cisco Identity Services Engine (ISE) integration with wired data, wireless infrastructure, and VPN, as well as posture and client provisioning. Also assisting, maintaining and troubleshooting 802.1X EAP-TLS issues.
• Preparing Metrics report description on SLA performance of tickets and method quality report back to analyse team performance & discussion on the advance areas (By monthly).
• Supporting EIGRP and BGP supported the network by partitioning level two & three issues of internal groups & external customers of all locations.
• Performing troubleshooting on slow network property problems, routing problems that involves OSPF, ISIS, BGP and distinctive the foundation reason for the problems.
• Extensive active expertise with complicated routed local area network and WAN networks, routers and switches.

Environment: Nexus 2k/5k/7k, Cisco 6500/7500/7200 Routers, Cisco 3550/4500/6500 switches, HP (7510,7506) switches, Brocade VPX, ICX series switches, Python, AWS, Palo Alto Firewalls, Viprion 2400, EVPN, VXLAN, Bluecoat proxy server, LAN, WAN, WLAN, OSPF, RIP, SNMP, BGP, LDAP, IGMP, SSH, EIGRP, HSRP, PPP, VPN, Checkpoint, Cisco ISE.

Confidential

Network Administrator

Responsibilities:

• Configured multiple domain name services (DNS), email services (Exchange Server), web, and file transfer protocol services (FTP) for various platforms including line leasing through DHCP servers.
• Designed, monitored, and maintain various system applications including web-based monitoring tools while optimizing disk space for better QoS.
• Troubleshoot, diagnosed, and upgraded various network hardware technologies to Cisco platforms including routers, switches, and hubs.
• Provided remote support to clients and interfaced with customers to ensure their satisfactions, collaborating with various departments for additional assistance.
• Networking protocols worked with included but not limited to TCP/IP, DNS, WINS, DHCP, VPN, Terminal Services, Routing and Remote Access, Network Design, wiring and cabling.
• Responsible for lab evaluation of equipment engaged in the end-to-end development, engineering, certification, field verification, and deployment of platforms supporting various networks and products, including LAN/WAN, internet, TCP/IP, IPX, routing (RIP, OSPF), PPP.
• Designed, installed, and maintained various WAN technologies and applications connecting remote sites to corporate headquarters.
• Configured, implemented, and troubleshoot routers and switches with various account settings, permissions, and parameters including security firewalls.
• Installed various network hardware including concentrators, bridges, and hubs to establish communication connections with remote locations.
• Expertise in network protocols, Firewalls and Communication Network design.

Confidential

Jr. Network Administrator

Responsibilities:

• Responsible for the global design, engineering and level 3 support of existing network technologies services and the integration of new network technologies/services.
• Configuring VLAN, Spanning tree (STP), SNMP on Cisco series switches.
• Performed OSPF, EIGRP routing protocols administration and provided redistribution.
• Involved in Configuring and implementing of Composite Network models consists of Cisco7600, 7200, 3800 series, routers and Cisco 2950,2960, 3500, 5000, 6500 Series switches.
• Configured and deployed VPC for the pair of Nexus 7010 and Nexus 5596, 5548 switches
• Configured various routing protocols including OSPF (Single Area, Multi Area) BGP, MP-BGP.
• Adding and modifying the servers and infrastructure to the existing DMZ environments based on the requirements of various application platforms.
• Configuring Call Manager 8.x, 9.x, 10.x, with cisco IP Phones.
• Cisco IP Phone installation Adding IP phone’s in bulk.BAT procedure, Managing IP phones services like Extension Mobility, Mobile connect, LDAP, Calling search space (CSS). VOIP protocols i.e. SCCP, SIP.
• Involved in Complete LAN/WAN Development which includes IP address planning, designing, installation, configuration, testing, maintenance, troubleshooting etc.
• Manage Cisco Routers and troubleshoot layer 2 and layer 3 technologies for customer escalations.

Environment: Cisco Nexus Series (7k, 5k), Firewalls: Cisco ASA, Cisco Router Series: 2800, 3800 and 7200, VGR Router and Cisco Switch Series: 2900, 3500, 4500 and 6500, LAN, WAN, IWAN, MPLS, Cisco ASA, HSRP, VRRP, GLBP, VLAN, OSPF, EIGRP, BGP, TCP/IP, STP, PVST, RSTP, VTP, F5loadbalancer, NAT, Cisco ASA firewalls, VoIP, Palo Alto Firewall, SSH, Syslog, SNMP, NTP.