Shravan Kumar E-mail: adh0et@r.postjobfree.com

Network Engineer Contact :203-***-****

SUMMARY

Experienced in IP Network Operations, Configurations, Deployment and Migration, Encryption, Troubleshooting.

Good Knowledge on Configuration, Troubleshooting and Migration of Cisco Routers and Switches.

Exposure with Cisco routers, Cisco Switches, Nexus 7k,5k and 2k series, Juniper MX, Juniper PTX, load balancers and firewalls.

Expert Level Knowledge about TCP/IP and OSI models.

In-depth understanding of IPV4 & implementation of subnetting knowledge of implementing and troubleshooting complex layer 2 technologies such as VLAN Trunks, VTP, Ether channel, STP, RSTP and MST.

Worked on Cisco IOS for configuration & troubleshooting of routing protocols: BGP, OSPF, EIGRP, IS-IS.

Extensive knowledge on configuring VLAN, STP, RSTP, VTP, DTP.

Knowledge of implementing and troubleshooting complex layer 2 technologies such as VLAN Trunks, VTP, Ether-channel, STP, RSTP and MST.

Hands on experience on PIX, Firewalls, ASA 5500 series firewalls. Implemented security policies using ACL, IPSEC, SSL, VPN, IPS/IDS.AAA (TACACS+, RADIUS).

Hands on experience on NAT (Network Address Translation) configurations and its analysis on troubleshooting issues related to access lists (ACL).

Excellent inter-personal skills with the ability to work in a team of large members with minimum supervision necessary.

Troubleshoot network issues using Cisco Prime Infrastructure, Wireshark, SolarWinds.

Experience working with different wan transports MPLS, VPN.

Configured ASR 1K routers as head end WAN routers and implemented BGP with VRF & OSPF instances.

Provided Load Balancing towards Access layer from Core layer using F5 network Load balancers.

Hands on experience in Network management using Syslog, Packet Sniffers, SNMP, call manager.

Experience with different Network Management Tools and Sniffers like Wireshark (ethereal), HP-Open view, RSA envision, NetFlow, SolarWinds, Riverbed, Infoblox and Cisco works to support 24 x 7 Network Operation Centre.

Knowledge on Microsoft Visio creating a detail physical and logical network diagrams.

Excellent troubleshooting and debugging skills with good verbal/written communication and presentation skills.

TECHNICAL SKILLS

Networking Protocols

OSPF, EIGRP, BGP, STP, RSTP, VLANs, VTP, PAGP, LACP, MPLS, HSRP, VRRP, GLBP, TACACS+, Radius, AAA.

Firewalls

Palo Alto (PA-2k, 3k, 5k), Checkpoint R75/77, Juniper SRX.

LAN/WAN

Ethernet/ Fast Ethernet/ Gigabit Ethernet networks, VLANS, VTP, STP, PVST, RSTP, Frame Relay, ISDN, PPP, MPLS, leased lines and exposure to PPP, HDLC, T1/T3 and E1/E3, IWAN.

Routers/Switches

Cisco, Aruba, Juniper MX/PTX, Nexus

Wireless

Cisco Wireless LAN Controller 2400, 5500 Series, WDS, and WLSE, Standards 802.11.

Management Tools

Solar winds, Wireshark

Operating Systems

Linux, Windows Server, Cisco IOS, Junos

Programming

Python, Shell scripting

EDUCATION

Bachelor’s in Electrical & Electronics Engineering, JNTU India -2014.

Master’s in electrical & Computer Engineering, Fairfield University, CT, USA 2016.

CERTIFICATIONS-

Cisco Certified Network Associative -Routing/Switching CCNA-(R/S) - CSCO13269137

Palo Alto Networks Certified Network Security Administrator (PCNSA) -

IT Support: Networking Essentials: Microsoft : CLD260X

PROFESSIONAL SUMMARY

Client: Amazon Inc, Seattle, WA April’18 – Present

Role: Network Development Engineer

Responsibilities:

My role is to deploy the complex and huge sized data centers that support the Amazon web services (AWS) cloud networks.

Responsible to deploy numerous access and aggregate level networking devices which supports the AWS customer server racks.

Worked in different teams in Amazon such Aggregation Scaling Deployment, Border Team, Backbone.

Create or modify the configuration templates and Yaml files using Jinja templating language, code review submissions and pushing the configurations into the centralized repository for updating the device deployment configurations for the new and existing devices.

Responsible to automate most of the deployment and scaling related processes using python scripting.

Proposed and implemented live site data center traffic migrations successfully without causing any impact.

Worked on the link Encryption to enable link encryption in all links/circuits supporting traffic between Amazon devices.

Implemented LAN/WAN configurations on Cisco 5K, catalyst 6500 switches.

Involved in troubleshooting VLAN, STP (Spanning tree protocol) & Switch Trunk and IP subnet issues.

Handled maintenance of layer2 switching tasks which advocate VLAN, VTP, STP, RSTP, PVST, RPVST, configuring of ether channel with LACP and PAGP along with troubleshooting of inter-VLAN routing.

Implemented OSPF protocol and internet EBGP, IBGP peering relationship with another ISP.

Performed network monitoring using tools like Wireshark, Solar winds & fixing problems with documentation.

Managed a TACACS server for VPN user authentication and network devices authentication.

Handled implementation of Cisco 3750, 3850 switches and Cisco 3900 and ASR 1000s routers to new sites.

Extensively worked on Nexus 5000 and 7000 series Switches, troubleshooting and configuration.

Configured and troubleshot of Cisco 2500, 2600, 3000, 6500, 7500, 7200 Series routers & Juniper MX960, Juniper PTX.

Configured and troubleshot link state protocols like OSPF in single area and multiple areas.

Strong knowledge and experience in implementing, configuring VPN technologies like IPSec, Site-to- Site VPN, MPLS.

Validated existing infrastructure and recommend new network designs.

Environment: Cisco Switches, Nexus 7k Series, Almac switches, OSPF&BGP, SNMP, DNS, Apollo Environment, Jinga, Python, Blade Runner workflows, Gilt Repo, Yaml Files, Brazil Workspace, IPAM, AWS Dashboard, Linux, Link Encryption (MACSEC), NHS, Net vane, Kibana, Daryl, Alfred tool, PCN campaigns used for Deployments.

Client: Expedia Inc, Bellevue, WA April’17- Mar’18

Role: Network Engineer

Responsibilities:

Configured and troubleshoot cisco 3850, 3750 series switches and cisco router.

Implemented IPsec, Site-to-Site VPN, MPLS, GRE tunneling, T1/T3 WAN connections successfully.

Coordinated with different vendors and clients, and supportive IT teams in gathering the appropriate details for the project.

Worked with UDP protocols such as DHCP, DNS, FTP, LDAP, SMTP, SNMP, SSH, Telnet, NTP and VOIP etc.

Implemented, configured Cisco 2500 and 5550 series Wireless LAN controllers and Light weight access points.

Gathered extensive experience maintaining and coordinating with various local and offshore Telecommunication Careers (AT&T, Virgin Media, Comcast) in support of successful network migration.

Worked extensively on MPLS and L2, L3 QOS.

Installed and monitored DNS, DHCP implementation for entire network for several remote branch sites.

Configured and deployed Cisco Net flow on devices for traffic monitoring.

Had a strong experience with IP address management and implementation.

Had a strong Experience and implementing and troubleshooting Route-maps, access lists, Prefix-list and IP policies.

Configured and troubleshoot LAN, WAN technologies (IPsec, GRE, MPLS, T1, ISDN)

Designed and installed access, distribution and core architecture for enterprise network solution.

Assisted windows team occasionally with 2008 windows server DHCP setup and performed regular troubleshooting throughout the entire network migration.

Assisted network team with configuration changes for TACACS, Radius for device administration and network access.

Performed periodic bandwidth management solutions.

Performed functions of handling multiple windows Change management and incident management (monitoring and troubleshooting).

Worked extensively on BGP, Route-map, IP policies and VPN technologies.

Convert Branch WAN links from TDM circuits to MPLS and to convert encryption from IP Sec/GRE to Get VPN.

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

Enabled STP attack mitigation (BPDU Guard, Root Guard), using MD5 authentication for VTP, disabling all unused ports and putting them in unused VLAN and ensuring DHCP

Environment: Tufin Firewall Management tool, Cisco UCIS, Cisco Unified Communications, Avaya, IaaS, PaaS Cisco 9500,9300 Arista Switches, Cisco,, Python,Java, Linux, IWAN, Solar winds, Meraki Wireless, SDN, Fault Management Monitoring, HP Servers .

Client: Cargill, Hopkins, MN Feb’16 -April’17

Role: Network Engineer

Responsibilities:

Installation and Configuration of Cisco Switches, Cisco Routers and Cisco Firewalls.

Designing IP addressing schemes, VLAN tables and Switch port assignments and Ether-channel implementation.

Gained hands on experience with STP, VLAN, VTP and Trunking.

Implementation of HSRP and GLBP Routing Redundancy protocols on L3 Switches.

Configuring route redistribution between OSPF and EIGRP in a multi-area OSPF network.

Performing troubleshooting on slow network connectivity issues, Routing issues involved OSPF, EIGRP and identifying the root cause of the issues.

Applying Access lists and NAT configurations based on implementation guidelines.

Managing and developing network projects designed to strengthen network continuity and deploy security elements in an attempt to meet and exceed contract requirements, including system analysis and troubleshooting.

Performance monitoring of various applications to maintain quality of service and network stability.

Change management, Monitoring network performance with network tools.

IP Distribution for existing devices and new devices as they were added.

Involved in troubleshooting IP addressing issues and Updating IOS images using TFTP.

Experience in handling Wireshark and other protocol analyzers and network management tools.

Preparation and maintaining documentation using MS Visio.

Raising and Execution of Change requests for new requirements in the network.

Co-ordination for planned activities and network related changes.

Identify any design issues in the existing setup and co-ordinate with design team in order to get that rectified.

Conducting knowledge transfer sessions and training the team members.

Mentoring newly joined Engineers with the processes and involved proactively in preparation and sending Daily Reports, Weekly Reports and Monthly Reports to the supervisor.

Environment: Cisco Switches, Cisco Routers, VLAN, STP, VTP, ACL, NAT, TCP/IP, Trunking, Telnet, SSH, HSRP, GLBP, OSPF and EIGRP, Wireshark. Network Analyzers.

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Client: Cablevision Systems, NY

Role: Network Engineer Sep’14-Jan’16

Responsibilities:

Configuration and administration of Cisco Switches and Routers.

Hands on experience on identifying, troubleshooting and resolving incidents related VLANs, STP, Routing and Packet Flow Issues.

Installed and maintained network hardware and software.

Responsible for installing, maintaining and supporting computer communication networks within an organization or between organizations.

Support to plan and execute LAN (VLAN Management) and WAN management activity.

As a LAN Support point of contact give response to initial trouble calls.

Directly worked with customers to offer Level 2, Expertise in handling routers, servers, and switches.

Responsible for support and upgrades of a 250 user networks.

Performed onsite data center support that includes monitoring of systems alarms, electrical power, server administration and network alerts.

Provided customer support including daily backup procedures, testing network connections, equipment installation and turn-up, and remote hands assistance.

Undertook troubleshooting of network connectivity problems and day-to-day operations.

Having knowledge on OSPF & EIGRP, BGP Routing protocols.

Developed maintenance and operating standards for computer hardware and software.

Troubleshooting and supporting multiple OS and hardware environments.

Maintained detailed time-based incident logs and technical checklists.

Responsible for documenting network related issues.

Environment: Nexus, Cisco 2948/3560/4500/3560/3750/3550/3500/2960/6500, Cisco 9500,9300 switches and Cisco 3640/12000 /7200/3845/3600/2800 routers, Cisco Nexus 7K/5K/2K, windows server 2003/2008, OSPF, EIGRP, RIP, BGP, VLAN, VPN.

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