Senior Network Engineer/NCE
Resume:
Aditya
ac0rsi@r.postjobfree.com
ac0rsi@r.postjobfree.com
SUMMARY
Cisco Certified Network Engineer with 8+ years of professional experience in Network engineering, performing Network analysis, design, Implementing, capacity planning with focus on performance tuning and support of large Networks.
Strong knowledge in Cisco/Juniper Routing, Switching and Security with Cisco hardware/software (heavy Cisco shop) experience.
Profound knowledge on various WAN technologies like E1/T1/E3/T3, HDLC, Frame-Relay and PPP.
Proficient in configuring Cisco Catalyst 2900,2960, 3560, 3750, 4500, 4900, 6500 series and high performance data center switch like Nexus 7010,7018, 7009, 5020, 2148, 2248 devices.
Expertise in installing, configuring, and troubleshooting of Cisco Routers (3800, 3600, 2800, 2600, 1800, 1700, 800, ASR 9K, 10K)
Extensively worked on Cisco catalyst 6509 and implemented VSS along with VDC and VPC on Nexus 5505, 7009 switches.
Expertise in Configuration of Virtual Local Area Networks (VLANS) using Cisco routers and multi-layer Switches and supporting STP, RSTP, PVST, RPVST along with trouble shooting of inter-VLAN routing and VLAN Trunking using 802.1Q.
Expert level knowledge of troubleshooting, implementing, optimizing and testing of static and dynamic routing protocols such as EIGRP, OSPF, BGP,RIP V1,V2 ability to interpret and resolve complex route table problems and implemented strategies for the expansion of MPLS VPN network.
In-depth knowledge and hands-on experience in Tier II ISP Routing Policies, Network Architecture, IP Subnetting, VLSM, TCP/IP, NAT, DHCP, DNS, SONET POS OCX / GigE circuits, Firewalls.
Proficiently implemented traffic filters using Standard and Extended access-lists, Distribute-Lists, Route Maps and route manipulation using Offset-list.
Hands on experience in deployment of GRE tunneling, SSL, Site-Site IPSEC VPN and DMVPN.
Administration and diagnostics of LAN, WAN and Wireless with in-depth knowledge of TCP/IP.
Managed inventory of all network hardware, Management and Monitoring by use of SSH, Syslog, SNMP, NTP.
Working knowledge with monitoring tools like Solar Winds & network packet capture tools like Wire-shark
Strong hands on experience on PIX Firewalls, ASA (5540/5550) Firewalls. Implemented Security Policies using ACL, Firewall, IPSEC, SSL, VPN, IPS/IDS, AAA (TACACS+ & RADIUS).
Expertise in OSI layer model/TCP/IP.
Have knowledge on various advanced technologies like VOIP, H.323, SIP, QOS, IPv6, Multicasting, and MPLS.
Knowledge in implementing and configuring F5 Big-IP LTM-6400 load balancers.
Experience with installation, configuration and management of various flavors of firewalls. Eg: ASA 5500 & 5500-x with different options.
Check point UTM series, Check point IP series, Application layer firewall PA-4000 & 2000 series, Sidewinder McAfee, Fortinet 3240c, Cyberoam, SGS 5440 Symantec Gateway security.
Experience with convert Checkpoint VPN rules over to the Cisco ASA solution. Migration with both Checkpoint and Cisco ASA VPN experience.
Expertise in installing, configuring and troubleshooting Juniper EX Switches (EX2200, EX2500, EX3200, EX4200, EX4500, EX8200) series.
Expertise in installing,configuring and troubleshooting Juniper Routers ( E,J,M and T-series)
Implementation of Juniper Router and Switches SRX, J, MX, EX Series
Implementation of Juniper Firewall, SSG Series, Net screen Series ISG 1000, SRX Series
Implementation of HA-JSRP in JUNOS devices, SRX Series Router/Firewall in both A/A and A/P mod
Working experience with REMEDY for ticket change management process
Efficient at use of Microsoft VISIO/Office as technical documentation and presentation tools.
EDUCATION: Bachelors of Engineering in Computer Science
CERTIFICATIONS:
Cisco Certified Network Professional (CCNP) [428*-****-****-HMDN]
Cisco Certified Network Associate (CCNA) - [428*-****-****-IKVK]
Solar Winds Certified Professional (SCP) - [SCP6296]
TECHNICAL SKILLS AND TOOLS
Network Configuration: Advanced switch/router configuration (Cisco IOS access list, Route redistribution/propagation).
Cisco Routers: Cisco GSR 12416, 12418, Cisco 7200vxr, Cisco 3640, Cisco 3600,4351
Redundancy and management: HSRP, RPR, NSF/NSR
Physical interfaces: Fast Ethernet, Gigabit Ethernet, Serial, HSSI, SONET (POS)
Layer 2 technology: VLAN, VTP, VMPS, ISL, dot1q, DTP, Spanning-tree, PVST
Layer 3 Switching: CEF, MLS, Ether Channel
QOS: CBWFQ, LLQ, WRED, Policing/Shaping.
Network Tools: IXIA, Bugzilla, Wireshark, Ethereal.
Switches: Catalyst 6500, MSFC, MSFC2, 7600, 3700, 3500
Routing Protocols: IGRP, EIGRP, OSPF, BGPv4, MP-BGP, RIP
WAN Protocols: HDLC, PPP, MLPPP
Circuit switched WAN: T1/E1 – T3/E3/OCX (Channelized, Fractional & full).
Packet Switched WAN: ATM, FRAME RELAY, MPLS VPNs
Load Balancer: F5 Networks (Big-IP) LTM 8900 and 6400
Security Technologies: Cisco FWSM/PIX/ASDM, Juniper SRX, Cisco ASA, Checkpoint, Palo Alto.
Tunneling Protocols: L2TP, IPsec, PPPoE, GRE, MPLS, IEEE 802.1Q
Authentication Protocols: PAP, CHAP
Network Devices: Routers, Switches, Hubs, Cables/Trunks, terminating equipment
Operating Systems: Microsoft XP/Vista/7, UNIX, Linux (Redhat, Opens use, Fedora), Windows Servers 2003/2008, Windows MS-Office.
JUNIPER Routers: Juniper MX480, 240, 80 series
JUNIPER Switches: Juniper EX4500, 4200
PROFESSIONAL EXPERIENCE
CISCO Systems (Louisville, KY) – CHI,
Network Consulting Engineer Jan 2016 – Till Date Responsibilities:
Working as a CISCO Networking Consulting Engineer for the client CHI (Catholic Health Initiatives).
Remote job travels to the sites during site migration.
Experience working with Cisco IOS upgrades on Cisco Devices – 4500, 3850, 3560 and 3750-x POE.
Administration Big IP F5 LTM 8900 for all Local Load balancing and configured profiles, provided and ensured high availability.
Configuring GTM Communications between BIG-IP GTM and Other Systems for load balancing across Data Centers deploying many load balancing techniques with multiple components for efficient performance.
Implementing and configuring F5 LTM' s for VIP' s and Virtual servers as per application and business requirements
Configured Site-to- Site IPsec VPN tunnels to peer with different clients and each of client having different specifications of Phase 1 and Phase 2 policies using Cisco ASA 5500 series firewalls.
Worked with Cisco IOS-XR on the ASR 9000 devices for MPLS deployments in data center.
Working with Cisco Nexus 2148 Fabric Extender and Nexus 9000, 7000, 5000 series to provide a Flexible Access Solution for a datacenter access architecture.
Responsible for the secure development lifecycle for Cisco Nexus line of products.
Centric Infrastructure (ACI), Application Policy Infrastructure Controller (APIC) - Cisco' s Software Defined Network (SDN) solution, IDS & IPS.
Implemented routing protocols (RIPv1/2, IGRP, EIGRP, OSPF, BGP), switching (VLANS, VTP Domains, STP, and Trunking), security on devices hardening (AAA).
Installing, configuring, and troubleshooting of Cisco 7600, 7200, 3800, 3600, 2800, 2600, 2500 and 1800 series
Routers & ASR 9000 Series routers, Cisco Catalyst 6500, 4500, 3750, 2950, 3500XL, Nexus 5K, 7K, 9K series switches.
Network security including NAT/PAT, ACL, VPN Concentrator, IDS/IPS.
Troubleshoot and Worked with Security issues related to Cisco ASR 9K, Checkpoint, IDS/IPS.
Monitor the network traffic through Orion SolarWinds.
Xen App environments hosting a full Windows 10 on Windows 2016 Server, Citrix environment.
Monitor for and ensure IS Leadership is aware of all known and identified risks to system availability, performance, reliability and security.
Installation, deployment, and management of Citrix including User Migration Tool administration and daily escalation support.
Ensuring faster accessibility and high uptime of websites using BIG IP F5, Citrix NetScaler.
Coordinating and Doing POC on F5, Citrix NetScaler and defining safe harbor codes.
Experience with redistribution from EIGRP to OSPF Routing protocol.
Configuring OSPF on catalyst 6880, 4500 with various VLAN.
Configured HSRP and VLAN trucking 802.1Q, VLAN Routing on the above switches.
Configured BPDU Guard, port-fast, uplink fast and other spanning tree features
Network Design for Hospital Sites. This includes changes to both the voice and data environment
Installation and Configuration of Cisco Catalyst switches 4500, 3750 & 3850 series and configured routing protocol OSPF, EIGRP with Access Control lists implemented as per Network Design Document and followed the change process as per IT policy.
Hands on experience on troubleshooting Cisco Wireless LAN controllers and Wireless Access points
It also includes the configuration of port channel between core switches and server farm block switches N9K-C9372TX-B18Q.
Experience in communicating with different vendors, IT teams in gathering the details for the project.
Create and test Cisco router and switching operations using OSPF routing protocols in Cisco Lab.
Optimized performance of the LAN network consisting of Cisco 3850/4500/6800 switches by configuring VLANs
Experience in WAN technologies like AT & T, TWC circuit types.
Experience in having port count of all the switches of the sites. Designed the Rack diagrams, prepared the BOM for the sites.
Have Site Design Experience, installing and Configuring Network Devices in sites including patching the cables in the Patch Panel.
Design and implemented network infrastructure and configured the entire network Infrastructure devices including Network Printers and Register.
Primary responsibilities include but not limited to design, implementation and troubleshooting of all LAN/WAN solutions offered by LAN/WAN Professional.
Additional responsibilities include remote support and administration of a server farm of 50+ servers and in house administration of a routing/switching infrastructure designed to support over 300 users.
Making standard documents for new and existed sites, which will help to new NCE’S in team
Respond to escalations, recurring outages, problem incidents.
Provide comprehensive change control plans when making changes to the network, looping in all stakeholders of the change.
Research new tools and technologies to improve upon or replace existing solutions.
Worked on configuring AAA settings.
Performed on network monitoring, providing analysis using various tools like Solar winds and Share point.
Hands on experience on documentation of CRQ, CAB approvals and also NIP(Network Implementation Plan).
Created MOP templates as well as RFP documents.
Large-scale implementation experience with Cisco Voice and data networking infrastructure
Environment: Cisco 3560/4500/3560/3750/3550/3850/2960 6800 switches and Cisco ISR 4351 Router, Cisco Nexus 9K and 2K, OSPF and EIGRP, VISIO and Citrix Receiver.
BCBS, Fargo, ND July 2014 – Dec 2015
Sr. Data Network Engineer
Responsibilities:
Experience working with Cisco IOS-XR on the ASR9000 devices for MPLS deployments
Experience with migrating from OSPF to BGP WAN Routing protocol
Configuration 7609, 7606 with OSPF and catalyst 6505, 4500, 3550 switches with various VLAN.
Configured HSRP and VLAN trucking 802.1Q, VLAN Routing on Catalyst 6500 switches
Configured BPDU Guard, port-fast, uplink fast and other spanning tree features
Implemented Site-to-Site VPNs over the internet utilizing 3DES, AES/AES-256 with PIX Firewalls
Network Redesign for Small Office/Campus Locations. This includes changes to both the voice and data environment
Installation and Configuration of Cisco Catalyst switches 6500, 3750 & 3550 series and configured routing protocol OSPF, EIGRP, 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 port channel between core switches and server distribution switches
Installing configuring and troubleshooting Juniper EX switched (EX 2200, EX 2500, EX3200 series)
Worked on Juniper Routers like M320 and MX80, MX960, MX480 and configured OSPF BGP and route policies.
Worked with a team in designing, deployment and configuration of wireless networks using Cisco WLC 5508 in HQ, Cisco WLC 2504 in Regional offices and Cisco 3500 series APs
Upgrading devices after end-of-life and managing Cisco wired and wireless Devices using Cisco Prime Infrastructure
Experience with setting up MPLS Layer 3 VPN cloud in data center and also working with BGP WAN towards customer
Experience with moving data center from one location to another location, from 6500 based data center to Nexus based data center
Experience in communicating with different customers, IT teams in gathering the details for the project
Create and test Cisco router and switching operations using OSPF routing protocol, ASA Firewalls, and MPLS switching for stable VPNs
Redesign of Internet connectivity infrastructure for meeting bandwidth requirements
Optimized performance of the WAN network consisting of Cisco 3550/4500/6500 switches by configuring VLANs
Provided Load Balancing towards access layer from core layer using F5 Network Load Balancers.
Configuration and troubleshooting of Cisco 2500, 2600, 3000, 6500, 7500, 7200 Series routers
Experience in WAN technologies like T1/T3, DS3,STM1 and STM4 circuit types
Configured Security policies including NAT, PAT, VPN, Route-maps and Access Control Lists
Worked on F5 LTM, GTM series like 6400, 6800, 8800 for the corporate applications and their availability.
Worked on Cisco Routers, Active/Passive Hubs, Switches, Cisco PIX Firewall, Nortel VPN Concentrators TCP/IP, NAT and Checkpoint ESX/GSX firewall
Having Data Center Design Experience, installing and Configuring Network Devices in a Data Center including patching the cables in the Patch Panel. Design and implemented network infrastructure and configured the entire network Infrastructure devices including Network Printers and Register
Hands-on experience in the network management of circuits using TDM and Frame Relay network, performing configuration and provisioning management, fault management and performance monitoring
Performed load balancing and application level redundancy by deploying F5 BIG-IP LTM 3900.
Performed manual and automated testing on firms drop copy and order routing FIX Adapter servers.
Environment: Cisco 2948/3560/4500/3560/3750/3550/3500/2960 6500 switches and Cisco 3640/12000/7200/3845/3600/2800 routers, Cisco Nexus 7K/5K, Cisco ASA 500, F5 BIGIP LTM,RIP,OSPF,BGP,EIGRP,LAN,WAN,VPN,HSRP, JUNIPER EX 2200, Juniper EX 2500
Atlanta Gas light, Atlanta- GA Nov 2012 to June 2014
Sr. Network engineer
Responsibilities:
Involved in complete LAN, WAN, Extranet redesign (including IP address planning, designing, installation, pre configuration of network equipment, testing, and maintenance) in both Campus and Branch networks.
Experience working with MPLS Layer 3 VPN on ASR 9006 with IOS-XR.
Experience with converting Cisco 6500 IOS to Cisco Nexus NX-OS in the data center environment.
Experience working with Nexus 7010, 5020, 2148, 2248 devices.
Experience with configuring Nexus 2000 Fabric Extender (FEX) which acts as a remote line card (module) for the Nexus 5000.
Experience configuring VPC, VDC and ISSU Software upgrades on Cisco Nexus 7010.
Experience in configuring, upgrading and verifying the NX-OS operation system.
Experience with configuring OTV between the data centers as a layer 2 extension.
Worked extensively in Configuring, Monitoring and Troubleshooting Cisco's ASA 5500/PIX security appliance, Failover DMZ zoning & configuring VLANs/routing/NATing with the firewalls as per the design.
Experience working with BGP attributes such as Weight, Local-Preference, MED and AS-PATH to influence inbound and out bound traffic.
Involved in Switching Technology Administration including creating and managing VLANs, Port security, Trunking, STP, InterVlan routing and LAN security.
Upgraded load balancers from Radware to F5 BigIP v9 which improved functionality and scalability in the enterprise.
Managed the F5 BigIP GTM/LTM appliances to include writing iRules, SSL offload and everyday task of creating WIP and VIPs.
Knowledge and experience of 802.11 a/b/g/n Ethernet standard for wireless Technology.
Use and maintain routing protocols EIGRP, OSPF and BGP on the Routers in the network & also worked on BGP Route Reflectors, Confederations.
Deployed a large-scale HSRP solution to improve the uptime of collocation customers, in the event a core router became unreachable.
Configured and designed LAN networks with Access layer switches such as Cisco 4510, 4948, 4507 switches.
Experience with convert PIX rules over to the Cisco ASA solution.
Responsible for Cisco ASA firewall administration across our global networks.
Support customer with the configuration and maintenance of PIX and ASA firewall systems.
Design and configuring of OSPF, BGP on Juniper Routers and SRX Firewalls.
Configuring IPSEC VPN on SRX series firewalls.
Ability to plan independently and execute product testing with quality (White box, Black box testing, Scalability, performance, solution and system testing).
Configuring Virtual Chassis for Juniper switches EX-4200, Firewalls SRX-210
Implemented HSRP on the Cisco 2948G Layer 3 switches and EIGRP, OSPF on 2 Cisco 2610 routers, the Layer 3 switch, 3 Cisco 350XL Switches, Cisco 3524XL switches for load balancing and fail over.
Configuring ASA Firewall and accept/reject rules for network traffic.
Extensive knowledge and troubleshooting in data communication protocols and standards including TCP/IP, UDP, IEEE 802.3, Token Ring, Cable Modem, PPPOE, ADSL, Multilayer Switching, DoD standards.
Other responsibilities included documentation and supporting other teams.
Analyzed and resolved problems relating to cloud and virtualization products.
Performed Security testing (firewall and encryption technology) using NetScanTools 4.x (diagnose network connectivity problems with Ping, Traceroute, TCP Term to test text-based services on both standard and non-standard TCP ports, Echo and Charden) for all company products
Performed Functional, GUI, Regression, System Integration, User Acceptance, Configuration and content testing for web-based e-commerce application and for Site Pilot content management system.
Tested application security features, including session expiry, book marking, passwords and compatibility across multiple browser types and encryption levels
Developed and updated Test plans, Test Matrixes, Test Scenarios, and Test Cases for all company products
Conducted variance management by analyzing and verifying test results, providing status and progress reports, using TestDirector 7.0i
Conducted Links testing and access problems with Astra Site Manager 2.0
Environment: Cisco3750/3550/3500/2960 switches and Cisco 3640/12000/7200/3845/3600/2800 routers, Checkpoint, OSPF, BGP, VLAN, HSRP, LAN, WAN, IPV4, AS Firewall, Checkpoint, Nexus 7K/5K/2K, TSL and TEAM FORGE
Etios Tech, Hyderabad – India Aug 2009 – Oct 2012
Network Support Engineer
Responsibilities:
Configured RIP and EIGRP on 2600, 2900 and 3600series Cisco routers
Involved in troubleshooting of DNS, DHCP and other IP conflict problems
Implemented VTP and Trunking protocols (802.1q and ISL) on 3560, 3750 and 4500series Cisco Catalyst switches
Provided on-call support for installation and troubleshooting of the configuration issues
Configured Standard, Extended, and Named Access Lists to allow users all over the company to access different applications and blocking others
Planned and implemented Subnetting, VLSM to conserve IP addresses
Configured STP for loop prevention and VTP for Inter-VLAN Routing
Performed troubleshooting of connectivity problems using PING, and Trace route
Provided Technical support for improvement, upgradation, and expansion of the existing network architecture
Done troubleshooting of TCP/IP problems and connectivity issues in multi-protocol Ethernet environment
Cyber Net Solution, Hyderabad – India May 2008 - July 2009
Network Engineer
Responsibilities:
Provided Level 1 Support for Broadband Connection to Virgin Media customer
Worked As a Technical Support Executive under Virgin Media.
Received inbound calls of technical nature, independently resolved customer complaints, concerns and inquiries regarding their Internet connection.
Managed LAN and Wireless Network and performed troubleshooting On LAN, WLAN, Customer Modems (NTL 250, TERAYON, and MOTOROLA) And CPE Router (Cisco-Linksys, Belkin, D-LINK and Dynamode).
Set up Home Network and provided troubleshooting and full support on virgin- media security Software (PC-guard).
Troubleshoot a wide range of technical support issues and connectivity problems such as authentication, connection speed, e-mail configuration, and loss of synchronization.
IOS upgrades on catalyst series switches like 2900, 3560, 3750.
Troubleshoot TCP/IP problems and connectivity issues in multi-protocol Ethernet environment.
Implemented trunking protocols like 802.1q on 3750 switches.
Configured ACLs to provide accessibility and restrict unauthorized users.
Involved in maintaining STP, RSTP and PVST+ for the catalyst switches I worked on.
Configured and maintained RIP, OSPF and routing protocols on 2600 and 3600series Cisco routers.
Maintaining and troubleshooting of connectivity problems using Ping, Traceroute.
Assisted in racking and stacking.
Technical assistance for LAN/WAN management and customer issues.
Other responsibilities also included documentation.
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