Sai

ad5ask@r.postjobfree.com

786-***-****

Network Engineer

SUMMARY

•CCNA & CCNP Certified Networking Professional with 6+ Years of experience in the Networking (Security, Routing, Switching, CISCO tools & Juniper tools).

•Having 5 Years of Experience Design, Deployment and Architecture for Large enterprises

•Extensive experience in Routing, switching, firewall technologies, system design, implementation and troubleshooting of complex network systems.

•Extensive knowledge with VLAN’s, Trunking, RSTP, SNMP, Ether Channels, HSRP, Port Security, ACL’s, QoS, Traffic Policing, Shaping, EIGRP, OSPF, NAT, PAT, Inspections, VPN’s, DHCP, Wireshark etc.

•Expertise in configuring and troubleshooting of Palo Alto, Juniper NetScreen & SRX Firewalls and their implementation Experience in site-to-site and remote access VPN solutions.

•Data Centers Router Port Turn up, Creating Code Review (CR), Creating Alfred Bundle, and Creating MCM by using LINUX and UNIX.

•Installation of CISCO Nexus 5K,7K and 9K switches, ACI Fabric

•Experience working with Nexus 7K, 5K and 2K.

•Hands on experience in maintaining huge datacenters with Heterogeneous environment.

•Extensive experience in configuring and troubleshooting of protocols RIP v1/v2, EIGRP, OSPF, BGP and MPLS.

•Hands on Knowledge/experience on F5 load balancers, its methods, implementation and troubleshooting on LTMs and GTMs.

•Working on PIX (506, 515, 525, 535), ASA (5505/5510) Firewalls.

•Well experienced in configuring HSRP, GLBP, ICMP, PPP, PAP, OSPF, CHAP and SNMP.

•In-depth knowledge of deploying and troubleshooting LAN, WAN, Frame-Relay, Ether-channel.

•Expertise in configuring switching protocols such as ARP, RARP, VTP,VLAN, STP, RSTP, PVST+, HSRP, GLBP, VRRP and Routing Protocols such as RIP, OSPF, BGP, IS-IS, and MPLS.

•Experience in installing and configuring DNS, DHCP server

•Expertise in installing, configuring, and maintaining Cisco Switches (2900, 3500,7600, 3700 series, 6500 series) Cisco Routers (4800, 3800, 3600, 2800, 2600, 2900, 1800, 1700, 800)

•Expertise in installing, configuring and troubleshooting Juniper Routers ( J,M and MX-series)

•Extensive experience in designing and configuring of OSPF, BGP on Juniper Routers and SRX Firewalls.

•Working as Cloud Administrator on Microsoft Azure, involved in configuring virtual machines, storage accounts, resource groups.

•Extensive knowledge in implementing and configuring F5 Big-IP LTM-3900, and 6900 Load balancers

•Executed various migration/upgrade projects across F5 and hands on with F5 BIGIP LTMs/EM.

•Extensive experience in dealing with Vendors for MPLS/DSL installations.

•Installed, Configuration and managed Cisco Meraki Switch Series MS220-48LP, MS225-48LP, MS250-48FP and Meraki AP.

•Implemented multiple Cisco Nexus based Data-Center environments, as well as 6500/4500/3750 series switches, 7200/3900/2900/1900 series router. Multiple data center migrations and transformation projects, with great expertise on Wireshark.

•Worked on network topologies and configurations, TCP/IP, UDP, Frame Relay, ATM, bridges, routers, hubs and switches.

•Administration and diagnostics of LAN and WAN with in-depth knowledge of TCP/IP, NAT, PPP, ISDN and associates network protocols and services.

•Configuration of Cisco wireless technology including Wireless LAN Control (WLC).

TECHNICAL SKILLS

Routers:

Routers (1700, 1800, 2500, 2600, 3200, 3600, 3700, 3800, and 7200), Cisco ASR (1000 & 9000 Series)

Switches:

Cisco L2 & L3 Switches (2900, 3560, 4500, 5000 & 6500), Cisco Nexus (9K, 7K, 5K, 2K & 1K), Cisco Catalyst switches (6500, 4900, 3750, 3500, 4500, 2900 series), ASA, PIX, FWSM, Netscreen

Juniper Platforms

SRX, MX, EX Series Routers and Switches

LAN Technologies:

Ethernet, Fast Ethernet, Gigabit Ethernet, & 10 Gigabit Ethernet, Port- channel, SDWAN, VLANS, VTP, STP, RSTP, 802.1Q

WAN Technologies:

Frame Relay, ATM, ISDN, PPP, HDLC, MPLS, leased lines & exposure to PPP, DS1, DS3, OC3, T1 / T3 & SONET, Riverbed Steelhead

Firewalls:

Checkpoint Firewall NG, NGX, NG R55, NGX60, NGX R65, R70, R75. Cisco PIX (506/515/525/535) and ASA (5505/5510) Series. Palo Alto Firewalls (PA- 5000/3000), Juniper NetScreen, Check Point Nokia Firewalls IP350, IP550 and IP 750.

OS/Services:

DNS, DHCP, Windows (2000/2003, XP), UNIX, LINUX, Microsoft SQL Server 2000 and 2005, VMware.

Protocols/Services:

Routing Protocols (RIP v1 & v2, IGRP, OSPF, EIGRP, BGP), QoS, HSRP, VRRP, TCP/IP, load balancer, Proxy servers, IPSec, MPLS, PPP, VoIP, SIP, H.323

Network Management Tools:

Wireshark, NetFlow Analyzer, HP OpenView, Cisco Works, Ethereal, OPNET, SolarWinds, Cisco ISE, Meraki.

Security Server Protocols:

TACACS+, RADIUS

Monitoring Tools:

Wire shark, TCP dump, Fiddler, Microsoft Network Monitor, Solar Winds, and Cisco Works, IT360

PROFESSIONAL EXPERIENCE

Client: Decker Brands, CA Dates: Jul 2023 to Till Date

Sr Network Engineer

Responsibilities:

•Responsible to support and implement complex end-to-end solutions on a global scale.

•Configuration, maintenance, and troubleshooting of dynamic routing protocols: BGP, OSPF & EIGRP (route redistribution, distribute lists, route-maps, offset-lists, prefix lists, route summarization, route-feedback, BGP attributes) on Cisco Routers 7613, 7201, and 3945E.

•Responsible for managing and maintaining the network including, but not limited to incident, problem, and proactive maintenance activities.

•ACI Fabric nodes imaging, firmware upgrade and Cluster configuration of APIC controllers

•Switching technologies like VLAN, Inter-VLAN Routing, Ether-channel, VTP, MLS, HSRP, VRRP,UDLD, Spanning Tree Protocol 802.1d, 802.1s and 802.1w.

•Involved in complete LAN, SD-WAN development (including IP address planning, designing, installation, configuration, testing, maintenance etc.)

•creating MOPS and BOMS documents.

•Contributing in troubleshooting of complex LAN/WAN infrastructure that includes routing protocols EIGRP, OSPF and BGP.

•Working on Cisco Routers, Active /Passive Hubs, Switches, Cisco PIX Firewall, VPN Concentrators TCP/IP, NAT and Checkpoint ESX/GSX firewall.

•ACI Policy configuration, Tenant (end user), profiles, VMM Domain creation and association policies & interfaces.

•Designed and configured of OSPF, BGP on Juniper Routers and SRX Firewalls.

•Working as Part of Team in Upgrading whole fleet of Juniper MX480, MX940, PTX 1000, QFX 5200 Devices from Janos 16 to 17.

•Working with Juniper PTX-Series, M-Series, MX-Series, J-Series Routers.

•Working with Avocent control server ACS6032 to Support up to 1500 access points, Nexus 5k,7k and 20,000 clients.

•Configured and maintained Juniper SRX 210,220,240,650 routers.

•Working with network design, network architecture, protocols and network topology.

•Working knowledge of frame relay, MPLS services, OSPF, BGP and EIGRP routing protocols, NATing, NAC product sub-netting, also including DNS, LDAP, DHCP, http, HTML, HTTPS, TCP/IP, UDP, SNMP, OSPF, RIP, IPSEC, PPTP, VLAN, STP (Spanning tree Protocol), RTSP & Multicasting protocols

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

•Security policy review and configuration in Palo Alto and Juniper SRX Firewall in US offices and Datacenter.

•Deployed the Nexus 7000/5000/2000 architecture into production securing competitive advantage across multiple verticals.

•Working on Data Center / Core design, configuration, and implementation utilizing Cisco Nexus Architecture (9K, 7K, 6K, 5K, 3K, 2K, 1000V and FEX device).

•Extensive experience data networking knowledge (OSI Model, TCP/IP, Optical Transport)

•Created network system models and documented network architecture diagrams.

•Network architecture, protocols and network topology, TCP/IP and the OSI Model.

•Maintaining Cisco Catalyst 6500,3850,3750, 2950 and 2300 series switches, Cisco 7600,3800,2600, 2500, and 1800 series routers.

•Day-to-day network performance monitoring, fault analysis, hardware troubleshooting, etc.

•Supporting the implementation of new network solutions and services through the installation of network hardware and software.

•Create planning, design, and implementation documents in power point and Microsoft Visio and present them to engineering and management audiences required.

•Attending the on-call rotation schedule.

•Implemented VLAN, VTP domain, Trucking and Ether Channel on Cisco 3850 switches.

•Used Visio diagram to support the verification of switches and servers in the DMZ.

•Performed switching technology administration including VLANs, inter-VLAN routing, Trunking, STP, RSTP, port aggregation & link negotiation.

Client: UC Health, CO Dates: Dec 2022 to Jun 2023

Sr Network Engineer

Responsibilities:

•Configured routing protocols such as OSPF, EIGRP, and BGP with Access Control lists implemented as per Network Design Document and followed the change process as per IT policy. It also includes the configuration of the port channel between core switches and server distribution switches.

•Contributed in troubleshooting of complex LAN/WAN infrastructure that includes routing protocols EIGRP, OSPF and BGP.

•Collaborate with senior engineers and customers on the design, configuration and deployment of WAN and site-to-site connection.

•Hand on Experience in Data Centers Router’s Find the Port interface and Port Reservation on the different Routers.

•Data Centers Router Port Turn up, Creating Code Review (CR), Creating Alfred Bundle, and Creating MCM by using LINUX and UNIX.

•Manage, maintain, and configure Ruckus/ Brocade ICX and Cisco IOS switching, over layer 2 and layer 3

•Working as Part of Team in Upgrading whole fleet of Juniper MX480, MX940, PTX 1000, QFX 5200 Devices from Junos 16 to 17.

•Create ACI migration plans (brownfield) create L2/L3 transitions. Map traffic flows for EPGs and BDs. Handle drivers for ML2 and GBP OpenStack integrations

•In corporate Cisco Nexus 9000 NXOS to ACI fabric to work in concert with existing Nexus 7000s and ASRs for MPLS

•Troubleshoot and identify performance, connectivity and other issues for the applications hosted in Azure platform

• Experience in working with Juniper PTX-Series, M-Series, MX-Series, J-Series Routers.

•Designed, tested, and implemented global Next Generation MPLS network (150 sites) using Cisco 4300, 3800, 2800, 2600, and 1721 Cisco routers and 800 Series VPN routers using BGP and EIGRP protocols.

•Deployed Cisco security ASA Firepower services on two Cisco ASA 5525. Deployed IPS, URL Filtering and Malware protection.

•Define cloud network architecture using Azure virtual networks, VPN and express route to establish connectivity between on premise and cloud

•Design, deployment and maintenance of security/network devices and datacenters of enterprise.

•Configure QoS on Cisco ASA 5505 to maximize bandwidth and protect VoIP traffic. Strong exposure on various operation systems like IOS, NX-OS, IOS-XR, IOS-XE and Junos-OS.

•Configured and maintained Juniper SRX 210,220,240,650 routers.

•Assisted in MPLS migrations, implemented a backup for the existing WAN connection using site-to-site IP sec VPN tunnels.

•Supported EIGRP and BGP based on the network by resolving level 2 & 3 problems of internal teams & external customers of all locations.

•Responsible for deploying network infrastructure.

•Configured Juniper M320 routers and T640 routers.

•Drive scaling of current network designs to meet the demand of customers.

• Configured and maintained IPSEC and SSL VPN's on Palo Alto firewalls (5050).

•Create simple, repetitive deployment processes that increase both velocity and quality.

• Management of F5 LTMs & GTMs Load Balancers.

•Experience in deploying, configuring & maintaining F5 3DNS (Global traffic Manager) Controller and BigIP -LTM (local traffic manager) for wide area load balancing and global redirection using VPN and Proxy load balancing techniques.

•Work closely with internal customers on designs/solutions; bringing those designs/solutions from concept to production.

•Ability to design high availability applications on AWS across availability zones and availability regions.

•Working experience with python script development.

•Create and update our network standards and ensure that the network is deployed to these standards.

•Supported EIGRP and BGP based on the network by resolving level 2 & 3 problems of internal teams & external customers of all locations.

•Documented workflow process, managing and implementing standard policy and procedures.

Client: Sparrow Health, MI Dates Oct 2020 to Nov 2022

Sr. Network Engineer

Responsibilities:

•Configuration, maintenance, and troubleshooting of dynamic routing protocols: BGP, OSPF & EIGRP (route redistribution, distribute lists, route-maps, offset-lists, prefix lists, route summarization, route-feedback, BGP attributes) on Cisco Routers 7613, 7201, and 3945E.

•Responsible for cabling and labeling based on day-to-day requirement and Racking& Stacking of various network equipment and made sure that there are no connectivity issues using ping and traceroute.

•Worked knowledge of frame relay, MPLS services, OSPF, BGP and EIGRP routing protocols, NATing, NAC product sub-netting, also including DNS, LDAP, DHCP, http, HTML, HTTPS, TCP/IP, UDP, SNMP, OSPF, RIP, IPSEC, PPTP, VLAN, STP (Spanning tree Protocol), RTSP & Multicasting protocols.

•Worked on design and implementation of Data center migration.

•Installed, configured and managed Cisco routers such as 7200 series, 3800 series, 3700 series, 2800 series and Cisco Catalyst switch series 6500, 4500, 3500, and 2900.

•Troubleshooting DMVPN and Meraki auto-VPN, addressing Wireless issues on Flex Controller 7500

•Supported EIGRP and BGP based on the network by resolving level 2 & 3 problems of internal teams & external customers of all locations

•Collaborate with senior engineers and customers on the design, configuration and deployment of WAN and site-to-site connection.

•Installed & Troubleshooted layer 2 and 3 issues on Brocade routers and switches

•Worked on Racking, Stacking, configuring, Nexus 5K and 2K and 7K.

•Actively involved in switching technology Administration including creating and managing VLANS, Port security – 802.1x, Trunking 802.1Q, RPVST+, Inter-VLAN routing, and LAN security on Cisco Catalyst Switches 4507R+E, 6509-E and Cisco Nexus Switches 2232, 5596, 7009.

•Worked on configuration and commissioning of the MPLS circuits for various branch offices.

•Provided Daily network support for national wide area network consisting of MPLS, VPN and point-to-point site.

•Worked on Cisco 6509 and 4507 series switches for LAN requirements that include managing VLANs, Port Security and troubleshooting LAN issues.

•Migrate legacy core security Access-list exceptions off of Brocade MLXe to Juniper SRX1500 at the Production DC and Palo Alto 7050 to Juniper SRX4200 at Core Site.

•Configured NAT and PAT policies

•Involved in Coordinating with Vendors for creating and modifying firewalls, NAT rules, Maintaining Site to Site and SSL VPN.

•Install, configure, manage and troubleshoot Cisco ASA Firewalls, Cisco Firepower, Sourcefire IPS appliances and Defense Center, Cisco WSA proxies and reporting, Cisco ISE Servers and policies, Riverbed Stingray/Steel App Traffic Managers, F5 LTM and GTM/DNS load balancers, Ubuntu servers used for TACACS+, Linux server management (Puppet), Cisco ASA s for LAN-to-LAN tunnels and software client access.

•Design, deployment and maintenance of Enterprise Networks and Datacenters.

•Configured, maintained, and troubleshot routers and switches ranging from the 1720 series through the 7200 series routers and the 2900 series through the 6500 series switches in a highly redundant dual-homed environment.

•Troubleshooting complex issues with Wireshark at source and destination which can’t be resolved by the basic troubleshooting like ARP, firewall logs, switch logs and tcp dump.

•Responsible for logging/Resolving the severity calls logged in by Incident management.

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

•Performed switching technology administration including VLANs, inter-VLAN routing, Trunking, STP, RSTP, port aggregation & link negotiation.

Client: Reliance Info Comm, India Date: Jul 2018 to Sep 2020

Network Consultant

Responsibilities:

•Configuration, maintenance, and troubleshooting of dynamic routing protocols: BGP, OSPF & EIGRP (route redistribution, distribute lists, route-maps, offset-lists, prefix lists, route summarization, route-feedback, BGP attributes) on Cisco Routers 7613, 7201.

•Worked on design and implementation of Data center migration.

•Designed, Implemented and Troubleshot Cisco 3750, 3550, 3560, 2924, 6509-V-E, 6513, 6504, 6503, 6506, 6500 series switches, GSR, ASR routers with Cisco IOS and IOS-XR and NX

•Installed, configured and managed Cisco routers such as 7200 series, 3800 series, 3700 series, 2800 series and Cisco Catalyst switch series 6500, 4500, 3500, and 2900.

•Worked on Upgradation of data center network environment with Cisco ASA 5520 & Used Cisco 5520 Wireless Controller to Support centralized, distributed, and mesh deployments

•Configured ACLs on Cisco Switches as well as configured routers as terminal servers.

•Configured Cisco Wireless LAN Controller (WLC) 5500, 4400 series and Lightweight Access point.

•Configured Wireless LAN Flex Connect and worked extensively on Flex 7500.

•Involved in operations and administration of WAN consisting Ethernet Handoffs, T1, DS3, and Optic Fiber Handoffs.

•In corporate use of containers in ACI fabric using Contiv to ensure polices are applied at container level.

•Troubleshooting DMVPN and Meraki auto-VPN, addressing Wireless issues on Flex Controller 7500

•Supported EIGRP and BGP based on the network by resolving level 2 & 3 problems of internal teams & external customers of all locations

•Installed & Troubleshooted layer 2 and 3 issues on Brocade routers and switches

•Worked on Racking, Stacking, configuring, Nexus 5K and 2K and 7K.

•Installed wireless access points (WAP) at various locations in the company.

•Actively involved in switching technology Administration including creating and managing VLANS, Port security – 802.1x, Trunking 802.1Q, RPVST+, Inter-VLAN routing, and LAN security on Cisco Catalyst Switches 4507R+E, 6509-E and Cisco Nexus Switches 2232, 5596, 7009.

•Configured Voice ports and Dial peers on the call manager for the VOIP call to reach remote destination.

•Knowledge of VOIP, VPN, and CISCO VOIP PHONE (7960).

•Worked on configuration and commissioning of the MPLS circuits for various branch offices.

•Provided Daily network support for national wide area network consisting of MPLS, VPN and point-to-point site.

•Installed and configured Meraki (MS250, MS210) and MR84, MR250.

•Installed and configured Cisco Meraki (MR66, MR18) wireless Access points.

•Worked on Cisco 6509 and 4507 series switches for LAN requirements that include managing VLANs, Port Security and troubleshooting LAN issues.

•Design, deployment and maintenance of Enterprise Networks and Datacenters.

•Worked extensively in configuring, Monitoring and Troubleshooting Cisco's ASA 5500/PIX security appliance & configuring VLANs/routing/NATing with the firewalls as per the design.

Education:

•Master in information Technologies Lindsey Wilson College

•Bachelor in computer science, JNTU

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