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Arjun - Network Engineer

[email protected]

Location: King Of Prussia, Pennsylvania, USA

Relocation: Any

Visa: H1B

A. Gosai [email protected] +1(626)662-9311 SUMMARY CCNA & CCNP Certified Networking Professional with 6 Years of experience in Networking (Security, Routing, Switching, CISCO tools & Juniper tools). 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. Experience working with Nexus 7K, 5K and 2K. Has experience in maintaining huge datacenters with Heterogeneous environments. Extensive experience in configuring and troubleshooting protocols RIP v1/v2, EIGRP, OSPF, BGP and MPLS. Implemented security policies using ACL, firewall, IPSEC, AAA(TACACS+ & RADIUS) 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 OSPF, BGP on Juniper Routers and SRX Firewalls. 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 associated 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 (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,NAT/PAT, Ingress & Egress firewall design, ACL Monitoring Tools: Wire shark, TCP dump, Fiddler, Microsoft Network Monitor, Solar Winds, and Cisco Works, IT360 CERTIFICATIONS: Cisco Certified Network Associate (CCNA) Cisco Certified Network Professional (CCNP) EDUCATIONS: Master of Science in Electrical Engineering from California state university, Los Angeles - 2018 Bachelor of Engineering in Electrical Engineering from GTU, India -2014 PROFESSIONAL EXPERIENCE Vanguard Group, Malvern, PA April 2021 - Current Identity Network Admin Responsibilities: Network Engineer with experience in large corporations with global operational support proficiency. Create planning, design, and implementation documents in powerpoint and Microsoft Visio and present them to engineering and management audiences required. Responsible for supporting and implementing 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. Involved in complete LAN, SD-WAN development (including IP address planning, designing, installation, configuration, testing, maintenance etc.). Switching technologies like VLAN, Inter-VLAN Routing, Ether-channel, VTP, MLS, HSRP, VRRP,UDLD, Spanning Tree Protocol 802.1d, 802.1s and 802.1w. Experience creating MOPS and BOMS documents. Contributing in troubleshooting of complex LAN/WAN infrastructure that includes routing protocols EIGRP, OSPF and BGP. Configured network devices for LAN connectivity, ensuring performance and connectivity. Implemented VLANs for enhanced security and traffic segmentation. Deployed Checkpoint GAIA Firewalls at the Data Centers. Performed Basic Security audit of perimeter routers identify missing ACL, writing and applying ACL s Worked on Cisco Routers, Active /Passive Hubs, Switches, Cisco PIX Firewall, VPN Concentrators TCP/IP, NAT and Checkpoint ESX/GSX firewall. 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. Deployed and configured Windows Server 2016/2019, setting up roles as needed. Managed Active Directory, including user and group administration, and implemented Group Policies. Configured file shares, permissions, and printers for centralized data storage and printing. Utilized Hyper-V for server virtualization, deploying and optimizing virtual machines. Deployed the Nexus 7000/5000/2000 architecture into production securing competitive advantage across multiple verticals. Implementation experience with Cisco ASA firewalls, routers, VPN and other devices including switches, wireless access points, DMZ, IP addressing, and VPN solutions is desired. Deployed, configured, managed and implemented Cisco Routers and Switches, Cisco ASA 5500 series Firewalls, Cisco VPN Concentrators LAN-LAN IPSEC VPN and Cisco IDS/IPS on high volume critical production environment. Managed Office 365 subscriptions, including user provisioning and license management. Configured and administered Exchange Online for email services within Office 365. Implemented SharePoint Online for document management and collaboration. Deployed Microsoft Teams for internal communication and collaboration. Configured OneDrive for Business for cloud-based file storage and sharing. Extensive experience data networking knowledge (OSI Model, TCP/IP, Optical Transport) Created network system models and documented network architecture diagrams. Cisco ASA security appliances (5500 series), initializing basic setup | failover | device management | static routing tracking | NAT on ASA (8.2 | 8.4). Convert Branch WAN links from TDM circuits to MPLS and to convert encryption from IPSec/GRE to GetVPN. 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. Attending the on-call rotation schedule. Charter Communications, Denver, CO Nov 2020 April 2021 Network Engineer II Responsibilities: 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. 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. Configuration, maintenance, and troubleshooting of L3 dynamic routing protocols: BGP, OSPF & EIGRP (IGP) (route redistribution, distribute lists, route-maps, offset-lists, prefix lists, route summarization, route-feedback, BGP attributes) on Cisco Routers 7613, 7201, and 3945E. 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, STP (Spanning tree Protocol), RTSP & Multicasting protocols. Worked on Cisco 6509 and 4507 series switches for L2 technologies LAN requirements that include managing L2 Security and troubleshooting LAN issues. 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. Worked on Paloalto APP-ID, User-ID and other security profiles like Anti-virus, Threat Prevention, URL-filtering and Wildfire etc. Maintaining and updating inventory of all network hardware, Management and Monitoring by use of SSH, Syslog, SNMP, NTP. Installed & Troubleshooted layer 2 and 3 issues on Brocade routers and switches Worked on Racking, Stacking, configuring, Nexus 5K and 2K and 7K. Worked on design and implementation of Data center migration. Hands on experience D.C Migration activity router replacement or cisco catalyst switches like 4500 & 6500 being Nexus for that upgrade local works 1 Gig to 10 Gig. Configured and maintained IPSEC and SSL VPN's on Palo Alto firewalls (5050). Cisco ASA security appliances (5500 series), initializing basic setup | failover | device management | static routing tracking | NAT on ASA (8.2 | 8.4). Convert Branch WAN links from TDM circuits to MPLS and to convert encryption from IPSec/GRE to GetVPN. Handling complex network issues related to routing protocols, MPLS, Multicast and other Routing technologies. Implemented DMVPN connecting to Head Office and the branch offices. Configured remote access VPN solutions for remote user using Juniper SSL VPN. Experience with Network Management AAA Server, TACACS+ and RASIUS. Supporting the implementation of new network solutions and services through the installation of network hardware and software. Design, deployment and maintenance of Enterprise Networks and Datacenters. United Airlines, Elk Grove village, IL Sept 2019 Nov 2020 Network Engineer I 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 ICXand Cisco IOS switching, over layer 2 and layer 3. 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. Created detailed network diagrams, including topologies and infrastructure layouts, using Visio. Designed flowcharts, process diagrams, and workflow visualizations for clear communication of business processes. Developed organizational charts and hierarchy diagrams to illustrate reporting structures and team relationships. Visualized data relationships and analyzed trends using data-driven diagrams and charts in Visio. Created technical diagrams such as rack diagrams and floor plans to document hardware configurations. Collaborated with stakeholders to develop and maintain Visio diagrams and documentation. Design, deployment and maintenance of security/network devices and data centers of enterprise. Configure QoS on Cisco ASA 5505 to maximize bandwidth and protect VoIP traffic. Strong exposure on various operating systems like IOS, NX-OS, IOS-XR, IOS-XE and Junos-OS. 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. Configured and maintained IPSEC and SSL VPN on Palo Alto firewalls (5050). Create simple, repetitive deployment processes that increase both velocity and quality. Configured ACl and also configured Cisco ACS for AAA service using TACACS+ 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. Amazon, Seattle, WA Oct 2018 April 2019 Network Engineer 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. 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. VLAN configuration, Troubleshooting, and Firewall ACLs, object group configuration and support. Managing a TACACS server for VPN user authentication and network devices authentication. Worked on Cisco 6509 and 4507 series switches for LAN requirements that include managing VLANs, Port Security and troubleshooting LAN issues. 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/Steelapp 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 Data Centers. Responsible for logging/Resolving the severity calls logged in by Incident management. Handled assigned projects/Tasks and program components to deliver services in accordance with established objectives. 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. Gujarat State Electricity Corporation Limited, India July 2014 June 2016 Jr. 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. 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. Deployed and updated software applications on Windows 10 devices. Provided user training and documentation for enhanced productivity. Participated in migration and upgrade projects. Managed user accounts, groups, and OUs in Active Directory. Maintained Active Directory domain controllers for replication and fault tolerance. Implemented and managed Group Policy Objects (GPOs) for security and software deployments. Configured authentication and access control in Active Directory. 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 ACL s 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 FlexConnect and worked extensively on Flex 7500. 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 destinations. 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. 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 Data Centers Keywords: cprogramm information technology ffive hewlett packard Colorado Idaho Illinois Pennsylvania South Dakota Washington