Engineer Network

Joyti

Sr. Certified Network Engineer

Email: acwkn2@r.postjobfree.com

Contact: 443-***-****

SUMMARY:

7+ years of IT experience in design, development, implementation, testing, troubleshooting and maintenance of Cisco/Juniper devices for both networking and security.

Designing, Implementing and Troubleshooting Cisco 3750, 3550, 3560, 2924, 6509-V-E, 6513, 6504, 6503, 6506, 6500 series switches.

Responsible for Check Point and Cisco ASA firewall administration across global networks.

Strong hands on experience on PIX (506, 515, 525, 535), ASA (5505/5510) Firewalls. Implemented security policies using ACL, Firewall, IPSEC, SSL, VPN, IPS/IDS, AAA(TACACS+ & RADIUS)

Worked on Extensively on Cisco Firewalls, Cisco PIX (506E/515E/525/) & ASA 5500(5510/5540) Series.

Troubleshooting and installing of CRS, ISR, GSR, ASR9000 and Nexus devices.

Engineering the configurations for the different branches, campus locations & Data center environment

Experience in Designing and assisting in deploying enterprise wide Network Security and High Availability Solutions for ASA.

Experience in installing and configuring DNS, DHCP server.

Enterprise Switching with VLANs, Trunks, Spanning Tree, Port Spanning etc.

Strong grasp of current and future technologies including TCP/IP, IPv4/v6, RIP, EIGRP, OSPF, BGP, Frame Relay, ACL, VPN, Wireless LAN and configuration of VLANS.

Strong Analytical, Problem Solving, Technical Troubleshooting, Decision-Making, Customer Service Skills, Results-Driven.

Experience in working with Cisco Nexus Switches and Virtual Port Channel configuration.

Strong knowledge of TACACS+, RADIUS implementation in Access Control Network.

Experienced in networking protocols, firewalls and Communication Network design.

Design, Implement & troubleshooting of Juniper switches, routers and Firewalls Juniper: EX-2200,EX-4200, EX-4500, MX-480, M Series, SRX210, SRX240

Strong hands-on experience in layer-3 Routing and layer-2 Switching. Dealt with Nexus models like 7K, 5K, 2K series, Cisco router models like 7200,3800,3600,2800,2600,2500,1800 series and Cisco catalyst 6500,4500,3750,3500,2900 series switches.

Provided 24X7X365 availability and on-call support as required.

Knowledge of implementing and troubleshooting complex layer 2 technologies such as VLAN Trunks, VTP, Ether channel, STP, RSTP and MST. Implementation of HSRP, VRRP for Default Gateway Redundancy.

Responsible for Check Point and Cisco ASA firewall administration across global networks.

Experience with configuring Nexus 2000 Fabric Extender (FEX) which acts as a remote line card (module) for the Nexus 5000.

Worked extensively in Configuring, Monitoring and Troubleshooting Cisco's ASA 5500/PIX security appliance, Failover DMZ zoning & configuring VLANs/routing/NAT with the firewalls as per the design.

Experience in testing Cisco routers and switches in laboratory and deploy them on site production.

Worked on Load Balancer F5 LTM, GTM series like 6400, 6800, and 8800.

Knowledge in preparing Technical Documentation and presentations using Microsoft VISIO/Office.

Strong knowledge on Wireless Standards and Technologies, i.e. Ethernet, WAN, LAN, IEEE 802.11 (Wi-Fi). Very good knowledge on IEEE 802.15.1 (Bluetooth), IEEE 802.15.31a (UWB), IEEE 802.15.4 (ZigBee), Cognitive radio networks, Mesh networks, etc.

Experience with developing testing strategy, executing test cases and analyzing of test reports.

Experienced with learning Amazon Web Services (AWS).

Good knowledge in configuration of Voice VLAN’s (VOIP), prioritizing the voice traffic over the data traffic.

Implemented WLAN Cisco Wireless Access Points 3500 and its Cisco Controllers 5500 at various corporate sites fort 11n Infrastructures and its legacy technologies

Highly enthusiastic, creative team player with project implementation, analytical, interpersonal and communication skills.

Hands-on experience with Ether Channel, Spanning Tree, Trucking, ACLs, Syslog.

TECHNICAL KNOWLEDGE:

Operating Systems

Windows (Server 2003/2008, Vista, Windows 7), Basic Linux OS, Sun Solaris OS

Routers

Cisco GSR12016, ASR1001, 2900, 3900, 7200, 7600 & ASR9000.

Switches

Cisco 3750, 4507, 4510 & 6500 series switches, Nexus 7010, 5548, 2448

Routing

MPLS, OSPF, EIGRP, BGP, RIP-2, PBR, IS-IS, Route Filtering, Redistribution, Summarization, Static Routing.

Switching

LAN, VTP, STP, PVST+, RPVST+, Inter VLAN routing & Multi-Layer Switch,

Multicast operations, Layer 3 Switches, Ether channels, Transparent Bridging.

Network security

Cisco (ASA, PIX) 5510, ACL, IPSEC VPN, GRE VPN

Load Balancer

F5 Networks (Big-IP) LTM Module, Cisco ACE 30 load balancer.

LAN

Ethernet (IEEE 802.3), Fast Ethernet, Gigabit Ethernet.

WAN

Leased lines 128k - 155Mb (PPP / HDLC), Channelized links (T1/DS3/OC3/OC12). Fiber Optic Circuits, Frame Relay, ISDN, Load Balancing.

Various Features & Services

IOS and Features, HSRP, GLBP, IRDP, NAT, SNMP, SYSLOG, NTP, DHCP,

CDP, TFTP and FTP Management.

AAA Architecture

TACACS+, RADIUS, Cisco ACS.

Network Management

SNMP, Solar Winds, HP open view, Wire shark. Liveaction, Netbrain

ASA Firewall:

5505, 5510, 5520, 5540, 5550, Checkpoint Firewall NGX R75

Reports

Microsoft (Visio pro.)

EDUCATION:

• Bachelor in computer Science, India

CERTIFICATIONS:

• Cisco certified Network Associate (CCNA)

• Cisco certified Network Professional (CCNP)

• Juniper Certified Network Associate (JNCIA)

PROFESSIONAL EXPERIENCE:

Apple Inc. Elk Grove, CA Oct 2013 Present

Network Engineer

Experience of working with F5 Load balancers and building VIP, SNAT and Migrating applications from one Data Center to another data Center.

Performed Network Address Translation on Cisco ASA 8.2 to 9.0 version

Responsible for Cisco ASA firewall administration across the network.

Experience configuring Virtual Device Context in Nexus 7010.

Experience working with MPLS layer 3 VPN and Configuring LDP, RSVP, VRF, MP-BGP

Implemented firewall rules in Palo Alto firewalls using Panorama for one of the environment.

Implementing and troubleshooting (on-call) IPSec VPNs for various business lines and making sure everything is in place.

Designing and troubleshooting BGP, OSPF, EIGRP and using route maps and prefix lists for filtering

Moving all the Partner IPSEC VPN connections to the new data center and also We had to estimate the bandwidth for the data center and installing the gigabit MPLS circuits

Experience with building the New MPLS cloud inside the new data center environment.

Migration Network, Firewall and F5 Load Balancer infrastructure from one data-center to another data centre

Installation and configuration of Cisco Nexus 9k, 7k, 5k, 2k (Fexus), ASRs, 6500s, 4510s, 3800s, 2900s.

Deploying and decommission of VLANs on core ASR 9K, Nexus 9k, 7K, 5K and its downstream devices.

Experience in deployment of Nexus 7010, 5548, 2148T, 2248 devices.

Experience working with Cisco Nexus 2148 Fabric Extender and Nexus 5000 series to provide a Flexible Access Solution for datacenter access architecture.

Experience with configuring and deploying ASA 5555/5525/5585 Firewalls, including features like multi contexts, failover, object groups

Groom high volumes of Broadband customers in the access network for Capital Growth, address network capacity issues, off load end of life devices and platform.

Configure VRRP & GLBP and VLAN Trunking 802.1Q & ISL, STP, Port Security on Catalyst 6500 switches.

Designed, validated and implemented LAN, WLAN & WAN solution to suite client’s needs.

Collaborate with Access, Transport, and Data Engineers to determine affective solution and design for network changes.

Involved in L2/L3 Switching Technology Administration including creating and managing VLANs, Port security, Trunking, STP, Inter-Vlan routing, LAN security

Implement network change requests configuring devices for traffic grooms and ATM to Ethernet conversions

Perform network configuration, documentation, and enforcement, congestion improvement and optimization

Create and implementing layer 2 and layer 3 policies

Hands-on experience with Ether Channel, Spanning Tree, Trucking, ACLs, Syslo.

Configured Cisco 2960, 3750, 3750, 4500 switches, and Juniper MX960, M10i.

T-Mobile US, Bellevue, Washington Aug 2010 September 2013

Network Engineer

Responsibilities:

Worked on commissioning and decommissioning of the MPLS circuits for various field offices.

Configuring STP for switching loop prevention and VLANs for data and voice along with Configuring port security for users connecting to the switches.

Working on Network design and support, implementation related internal projects for establishing connectivity between the various field offices and data centers.

Worked on LAN/WAN/WLAN/VoIP/VPN/Network Security, Cabling and racking.

Responsible for service request tickets generated by the helpdesk in all phases such as troubleshooting, maintenance, upgrades, patches and fixes with all around technical support.

Ensure Network, system and data availability and integrity through preventive maintenance and upgrade.

Involved in the redistribution into OSPF on the core ASA firewall.

Providing daily network support for national wide area network consisting of MPLS, VPN and point-to point site.

Worked on Riverbed devices for WAN bandwidth Optimization in the data centers for sensitive market data applications.

Configuring HSRP between the 3845 router pair for Gateway redundancy for the client desktops.

Configure VRRP & GLBP and VLAN Trunking 802.1Q & ISL, STP, Port Security on Catalyst 6500 switches.

Performed Configuration on ASR 9K Pairs includes HSRP, Bundle Ethernet Config, Assigning dhcp profiles.

Performed OSPF, BGP, DHCP Profile, HSRP, IPV6, Bundle Ethernet implementation on ASR 9K redundant pair.

Network Cabling, dressing, labeling and troubleshooting various network drops onsite.

Involved in L2/L3 Switching Technology Administration including creating and managing VLANs, Port security, Trunking, STP, Inter-Vlan routing, LAN security.

Worked on the security levels with RADIUS, TACACS+.

Completed service requests (i.e. – IP readdressing, bandwidth upgrades, IOS/platform upgrades, etc)

Handled SRST and implemented and configured the Gateways, Voice Gateways.

Worked on a broad range of topics such as routing and switching, dedicated voice access, planning and implementation, large-scale high-visibility outages, change management coordination, proactive monitoring and maintenance, disaster recovery exercises, and core network repairs.

Worked on Extensively on Cisco Firewalls, Cisco PIX (506E/515E/525) & ASA 5500(5510/5540) Series.

Experience with converting PIX rules over to the Cisco ASA solution.

Fannie Mae, Washington Nov 2009 July 2010

Network Engineer

Negotiate VPN tunnels using IPSec encryption standards and also configured and implemented site-to-site VPN, Remote VPN.

Moving all the Partner IPSEC VPN connections to the new data center and also We had to estimate the bandwidth for the data center and installing the gigabit MPLS circuits

Experience with building the New MPLS cloud inside the new data center environment.

Experience with design and implementation of Virtual Switching System (VSS) for both User segment and server segment using 6509-V-E catalyst switches.

Experience with configuring and deploying ASA 5555/5525/5585 Firewalls, including features like multi contexts, failover, object groups

Enabled TACACS+ on Cisco devices for authentication, authorization and accounting (AAA).

Implemented EAP (Extensible Authentication Protocol) for Wireless Networks.

Implemented with Cisco Layer 3 switches 3750, 4500, 6500 in multi VLAN environment with the use of inter-VLAN routing, HSRP, ISL trunk, ether channel.

Design OSPF Areas for reliable Access Distribution and for Core IP Routing

Configured, troubleshoot and maintained Cisco Switches 1900 through 8000 Series including Nexus switches.

Used Cisco routers, switches, Access Points, Concentrators for implementation and management purpose.

Experience working with Cisco Nexus 2148 Fabric Extender and Nexus 5000 series to provide a Flexible Access Solution for datacenter access architecture.

Redesigning the 5000 User large office location from the Access, Distribution, Core and WAN infrastructure.

Experience with design and implementation of Data center migration

Data center migration was involved in Access, Distribution and Core layers.

Worked on Cisco 5500 wireless controller, Cisco Prime and Cisco WAPs.

Improved application and server Efficiency by installing Cisco ACE load balancer in catalyst 6500 switches and 7600 routers across our global network.

Involved in configuring IP Quality of service (QoS)

Involved in designing and implementing QOS and policy map to 2800 series routers for all the branches.

Provisioning of Vlans and configuration on layer 2 and 3 aggregators like Cienna, Calix, Adtran, and AFC devices.

Experience Branch Relocation: Connect workstation, servers, etc. Rack and stack Pre-configured new hardware and connect the circuits. Work with Carrier to test and turn-up circuits.

Experience on designing and troubleshooting of complex BGP and OSPF routing problems

Worked on Cisco ASR 5000 EMS for protocol monitoring, session monitoring and auditing and network troubleshooting.

Improved Client satisfaction by troubleshooting and resolving VOIP issues from past implementations, which consisted of various versions of call manager, gateways and switches.

Configuring Vlan’s, VTP’s, enabling trunks between switches.

Configuration and extension of VLAN from one network segment other segment between Different vendor switches (Cisco, Juniper).

Engaged in office moves, helped in identifying network requirements of new building, installed new networking hardware, and coordinated with vendors for cabling/wiring.

Responsible for layer 2 securities which was implemented using a dedicated VLAN ID for all trunk ports, setting the user ports to non-trunking, deployed port security when possible for user ports.

Responsible for Cisco ASA firewall administration across our global networks

Support customer with the configuration and maintenance of PIX and ASA firewall systems

Assist with various duties that will arise including: implementation, configuration, management, rules definition, problem solving, design advice, troubleshooting, updating, maintenance, etc.

Involved in iRule management like loading rules, writing iRule syntax using TCL language

Hands on Experience testing iRules using Browser (IE), HTTP watch.

Used Cisco ASA 5540 series for enterprise security, configured ACL’s for Internet Access requests to SERVER FARM in LAN and DMZ.

Successfully planned and installed network equipment’s for migration of a lab of servers in a main data center with minimal impact to application availability.

Network equipment testing: network protocols, scripts configuration.

System/Network Associate, CMS Computers, India (April 2008 to Oct 2009)

Network Engineer

Involved in configuring and implementing of composite Network models consists of Cisco7600, 7200, 3800 9000, CSR-1 series routers and Cisco 2950, 3500, 5000, 6500 Series switches

Worked on Cisco Layer 2 switches (spanning tree, VLAN).

WAN Infrastructure running OSPF & BGP as core routing protocol.

Support various Routers like 2600/3600/7200 series routers.

Designed MPLS VPN and QoS for the architecture using Cisco multi-layer switches

Tested authentication in OSPF and BGP.

Configured and troubleshoot OSPF and EIGRP.

Experience working with deployment of MPLS Layer 3 VPN cloud, involving VRF, Route Distinguisher (RD), Route Target (RT), Label Distribution Protocol (LDP) & MP-BGP

Monitored Multi-customer ISP network and troubleshooting issues in a 24 X 7 Environment

Communicated with testers and field tech to update trouble tickets in timely manner.

Documented network assessment including technical and operational.

Documenting and Log analyzing the Cisco ASA 5500 series firewall.

Investigated issues involving T1, DS3, ATM, Frame Relay, MPLS, IP, EIGRP, OSPF, BGP and RIP

Worked with customer for troubleshooting and resolving LAN/WAN and DNS issues

Escalated trouble tickets: worked closely with higher Tier and other group for resolution

Configured router from basic to advanced including ACL, SNMP, NAT/PAT

Work on different connection medium like Fiber and Copper Connectivity.

In-depth expertise in the implementation of analysis, optimization, troubleshooting and documentation of LAN/WAN networking systems.

Planning and configuring the routing protocols such as OSPF, RIP, and Static Routing on the routers.

Installing, Managing &Troubleshooting DHCP issues.

References: Available upon request.

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