Sr. Network Engineer Resume
Dr Montvale, NJ
SUMMARY
- Over 8+ years of practical experience in the IT field as a network engineer, with proficient hands - on experience in the areas of Wi-Fi portfolio, Routing, Switching and Troubleshooting
- Strong knowledge in configuring and troubleshooting routing protocols like RIP, OSPF, VOIP, IS-IS, SNMP, EIGRP and BGP.
- Installing and Configuring Cisco switches 2960, 3560, 4500, 6500, 4900, 2900, 3750, Nexus 5000, Nexus 7000, WS-C4948, Juniper EX, QFX and Alcatel 7705 SAR series.
- Hands-on expertise with routers 2600, 2900, 3600, 3900, 7200, 7600, ASR-901, ASR-903, ASR 5500, ASR-9010 and Juniper ACX, E, M, MX960 series.
- Working Knowledge on Devices like Juniper SRX240, Alcatel5620 SAM, 9500 MPR and Omni switch 6400.
- Implementation, working analysis, troubleshooting and documentation of LAN, WAN & WLAN architecture with excellent work experience on IP series.
- Working knowledge with Load Balancers F5 LTM like 3900, 6900 for various applications
- Working knowledge of Firewall, LDAP, AAA, TACACS/RADIUS, and IPSEC.
- Proficient with TCP/IP and relative OSI models.
- Security policy configuration including NAT, PAT, VPN, SSL-VPN, Route-maps and Access Control Lists.
- Strong practical experience in IP addressing, Sub-netting, VLSM and ARP, proxy ARP, and ping concepts
- Expertise in troubleshooting and configuring DNS, DHCP, TFTP,TELNET,SSH, FTP and NFS
- Excellent hands-on experience in designing and implementing IP addressing that includes both IPV4 and IPV6
- Implementation of Access lists, route maps, and distribute lists.
- Strong fundamental knowledge in implementing Layer-2 level technologies including VLAN's, VTP, STP, RSTP and Trunking.
- Technical support for improvement, up-gradation & expansion of the network architecture.
- Working experience on tools and devices like Source Fire, Fire eye, Aruba, Cisco ASA, Cisco ISE.
- Good understanding and working knowledge of Protocols like IEEE 802.1, IEEE 802.3& IEEE 802.11, 802.1x, EAP, PEAP & EAP-TLS.
- Hands-on experience of Python scripting, automation using Python, string parsing, libraries, API's, regexp and more.
- Expertise on various Operating Systems and software's like Win8, Win7, Win 2008, Win Vista, Ubuntu, Kali Linux, Red Hat Linux, Asterisk and MS Office Suite.
- Working Experience in SONET, DWDM & ATM Networks.
- Working Experience in VMware ESX 5.x, VMware Workstation, VMware vCenter Server, Microsoft SharePoint, System Center 2012 R2, C++.
- VoIP Installation and troubleshooting, configuring Cisco Phones and setting up VoIP over VLAN.
- Good understanding and working knowledge of ITIL standards.
- Hands on experience on several Ticketing Tools like JIRA, Change Management, Service Catalog, ePCR, SR, Remedy, IP center, etc.,
- Working Experience on web content filter and gateways like Blue Coat, Websense.
- Working Experience on Network Scanning, Management, Alerting & Logging tools like Solar Winds, Net cool, Science Logic, Log Logic, EM7, Indeni, nCircle, PRTG, Wire shark.
- Comprehensive understanding of OSI Model, TCP/IP protocol suite (IP, ARP, ICMP, TCP, UDP, SNMP, FTP, TFTP).
- Planning, Designing, Implementation of small, medium organizations including LAN, VLAN, WLAN and WAN on wired and wireless networks
- Having vast experience in designing and configuring of Switches for VLANS and inter-switch communications Responsible for turning up BGP peering and customer sessions, as well as debugging BGP
TECHNICAL SKILLS
Routing: ISIS, OSPF, EIGRP, BGP, RIP, PBR, Route Filtering, Redistribution, Summarization, Static Routing, GSR and CRS1
Switching: LAN, VTP, STP, PVST+, RPVST+, Inter VLAN routing &Multi-Layer Switch, MPLS.
Transparent Bridging Routers: Juniper MX80, MX240, MX 480, MX960, ACX 1000, M120, Cisco 2620, 2901, 3925, 3945E, 7201, 7613
Switches: Juniper EX2200, EX2500 Cisco Catalyst 2232, 2960, 3560, 4507R+E, 5596, 6509-E, 7009Nexus 2232, 5596, 7009
Network Security: Cisco ASA 5540, Juniper SRX 240, ACL, IPSEC, Palo-Alto panorama, checkpoint firewalls
Load Balancer: F5 APM Networks (Big-IP) LTM 6400, 1600
LAN: Ethernet, Fast Ethernet, Gigabit Ethernet
WAN: PPP, HDLC, Channelized links (E1/T1/E3/T3), Fiber Optic Circuits, Frame Relay
Gateway Redundancy: HSRP, VRRP, GLBP
Various Features: IOS and Features, IRDP, NAT, SNMP, SYSLOG, NTP, DHCP,CDP, TFTP, FTP& services
AAA Architecture: TACACS+, RADIUS, Cisco AC
Network Management: Wire shark, SNMP, Ethereal, EMC Smarts
Operating Systems: Windows (98, ME, 2000, XP, Server 2003/2008, Vista, Windows 7)
Tools: used: Pythonscripting,ShellScripting
PROFESSIONAL EXPERIENCE
Confidential, Dr Montvale, NJ
Sr. Network Engineer
Responsibilities:
- Involved in design and implementation of Data Center Migration, worked on implementation strategies for the expansion of the MPLS VPN networks
- Experience converting Cat OS to Cisco IOS on the Cisco 6500 switches
- Designed MPLS VPN and QoS for the architecture using Cisco multi-layer switches
- Conversions to BGP WAN routing which involves converting WAN routing from OSPF/EIGRP to BGP
- Troubleshot LAN/WAN by using routing protocols EIGRP, OSPF, & BGP.
- Switching related tasks included configuring VTP for Inter-VLAN Routing, Ether Channel (LACP & PAGP) and RPVST for loop avoidance.
- Configure / Troubleshoot CISCO 12000, 7500, 3800 series routers and 3560 series switch for LAN/WAN connectivity.
- Experience with deploying PIM Sparse-mode/Dense-mode multicasting in Campus locations.
- Actively involved in Switching technology Administration including creating and managing VLANS, Port security- 802.1x, Trucking 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 Juniper MX 480, MX960, vBlock.
- Experience working with ASR 9000 series switches with IOS-XR
- Experience working with design and deployment of MPLS Layer 3 VPN cloud, involving VRF, Route Distinguisher(RD), Route Target(RT), Label Distribution Protocol (LDP) & MP-BGP
- Implemented Access lists and policy mapping onJuniperrouter installed in each branch across all the states.
- Supporting ISIS and BGP based on the network by resolving level 2 &3 problems of internal teams & external customers of all locations.
- Configuring HSRP between the 3845 router pairs for Gateway redundancy for the client desktops.
- Configure and TroubleshootJuniperRouter (J2320) with IOS (JUNOS 9.3).
- Performed IP address planning, designing, installation, configuration, testing, maintenance, and troubleshooting in complete LAN, WAN development
- ConfiguredJuniperrouters for VRRPnetworkrouting redundancy.
- Providing daily network support for national wide area network consisting of MPLS, VPN and point-to point site.
- Worked on configuration and commissioning of the MPLS circuits for various branch offices.
- Experience with design and deployment of Client VPN technologies including Cisco’s IPSECVPN between the ASA Firewall and between Cisco Routers.
- Experience working with Cisco Nexus2148 Fabric Extender and Nexus5000 series to provide a Flexible Access Solution for a datacenter access architecture
- Experience with deployment of Fibre Channel over Ethernet(FCoE) between the Data Centers using Nexus 5548P Switch.
- Experience configuring VPC, VDC and ISSU software upgrade in Nexus 7010
- Experience in Configuring, upgrading and verifying NX-OS operation system with OSPF, BGP
- Troubleshooting of complex LAN/WAN infrastructure that include routing protocols EIGRP, OSPF & BGP, MPLS
- Serve as part of a team of network engineers responsible for base wide network upgrade from Cisco Layer 3 Catalyst switches to Juniper Layer 3 EX4200 & EX3200 switches.
- Design, implement and administer IPv4/IPv6 enterprisenetworkinfrastructure utilizing Juniperrouters.
- Implemented Site-to Site IPsec VPN between two branch offices and also SSL VPN for user’s connecting from various locations.
- Performed Network Security Assessment and implemented security improvements such as network filtering, SSH, AAA, SNMP access lists, VTY access lists, EIGRP MD5 authentication, and HSRP authentication
- Established test environment for prototypePRLProject comprises of Solaris 2.5
- Actively involved in Data Center Migrations and its operations.
- Implemented antivirus and web filtering on Juniper SRX 240 at the web server
- Implementation and Configuration ( Profiles, iRules) of F5 Big-IP LTM-6400 load balancers
- Provided Layer-3 redundancy by implementing HSRP and GLBP for High availability.
Confidential, Fort Worth, TX
Sr. Network Engineer
Responsibilities:
- Worked on Network design and support, implementation related internal projects for establishing Connectivity between the various field offices and data centers.
- Responsible for the installation, configuration, maintenance and troubleshooting of the company network.
- Duties included monitoring network performance using various network tools to ensure the availabilityIntegrity and confidentiality of application and equipment and to provide support for Cisco network.
- Configuring RIP, OSPF and Static routing on JuniperM and MX series Routers
- Configuring VLAN, Spanning tree, VSTP, SNMP on EX series switches
- Design and configuring of OSPF, BGP on Juniper Routers and SRX Firewalls.
- Performing the daily health Check in Telecomm and Networking.
- Worked on cisco policy trace, Access policies, and URL categories to either give or block the
- Access to particular websites using Iron Port Proxies.
- Worked on CLI to enable the ports and configuration of switches and routers.
- Upgrading the IOS to the newest version using the console, TFTP server on Firewalls, switches and Routers.
- Physically connecting the ports between the switches and the servers on to the racks.
- Setting up the WIFI connections whenever needed as per the users requests.
- Enabling the TCP, UDP, SMTP ports to allow the traffic from one server to another server by
- Performing the trace route to find out where the traffic is blocked by the firewall.
- Setting up the Agents in Cisco Unified Call Manager (UCM), unity, ICM.
- Performed testing of agent Extension mobility phones.
- Assigning the Channels to each agent on VOIP ULTRAVAM devices.
- Troubleshooting the VAM and HUB servers when an issue arises.
- Troubleshooting issues with vendors in case of failures in call recording.
- Troubleshooting connectivity issues to web links on both internal and external domains
- Worked on configuring internet connection within the organization by consulting with different
- Vendors
- ConfiguredJuniperMX480s, EX8200s, EX4500s, EX4200s, and SRX5800s from scratch to match design.
- Troubleshoot the BIG-F5 1600 LTM through constant contact with the vendor.
- Configuring and troubleshooting site-to-site IPSEC VPN tunnels onVPN concentrators and ASA firewalls With private vendors.
- Experienced with Juniper: EX-2200, EX-4200, EX-4500, MX-480 and M Series, SRX210 and SRX240.
- Worked on commissioning and decommissioning of the MPLS circuits for various field offices.
- Network Cabling, dressing, labeling and troubleshooting various network drops onsite.
- Worked on Organization’s cell phones issues.
- Weekly documentation of updates on our technical work.
Confidential
Network Engineer
Responsibilities:
- Project to migrate/re-design 700+ customer connections (MPLS & Frame) out of retired
- Data center to newJuniperM120.
- Manage and coordinate all infrastructure related moves, adds, and changes.
- Implement, and maintain Local/Wide Area Network over 13 branches.
- Configure rip, OSPF and Static routing on JuniperM and MX series Routers.
- Worked in Configuration and extension of VLAN from one network segment to other segment
- Between different vendors switches (Cisco, Juniper)
- Configured network using routing protocols such as ISIS, RIP, OSPF, BGP and troubleshooting L2/L3 issues.
- Time to time upgrade network connectivity between branch office and regional office with multiple link paths and routers running HSRP, EIGRP in unequal cost load balancing to build resilient network.
- Providing technical security proposals, detailed RFP responses, security presentation, installing and configuring ASA firewalls, VPN networks and redesigning customer security architectures.
- Troubleshoot Hardware,CiscoIOS, install and configureCiscorouters and switches.
- Configure switch VLANs and inter-switch communication. Build and setup network Laboratory.
- Actively involved in troubleshooting on network problems with Wire shark, identifying and fixing problems
- Maintain effective communications with vendors, peers and clients in resolution of trouble-tickets,
- Equipment RMAs, and support requests.
- Configuration of NAT.
- Design and implement Catalyst/ASA Firewall Service Module for various LAN’s.
- Key contributions include troubleshooting of complex LAN/WAN infrastructure that include routing protocols EIGRP, OSPF & BGP.
- Configured Client VPN technologies including Cisco’s VPN client via IPSEC.
- Configuring ACL to allow only authorized users to access the servers.
- Participated in on call support in troubleshooting the configuration and installation issues.
- Installation, Maintenance, Troubleshooting Local and Wide Areas Network by using ISDN, Frame relay, DDR, NAT, DHCP, TCP /IP.
- Provided Technical support in terms of upgrading, improving and expanding the network.
Confidential
Network Engineer
Responsibilities:
- Performed replacements of failed hardware and upgraded software
- Performed scheduled Virus Checks & Updates on all Servers & Desktops.
- Implementing Routing and Switching using the following protocols; IS-ISOSPG, BGP onJuniperM series routers.
- NetworkSecurities withJuniperSRX firewalls.
- Worked on Juniper MX240 and MX480
- Troubleshoot issues related to VLAN, VLAN Trunking, HSRP failovers, related issues.
- Configured IPSEC VPN on SRX series firewalls
- Used TFTP server to backup Cisco configuration files.
- Worked with snipping tools like Ethereal (Wireshark) to analyze the network problems.
- Involved in Local Area Network (LAN) design, troubleshooting, and maintenance as per company’s requirements.
- Network layer tasks included configuration of IP Addressing using FLSM, VLSM for all applications and servers throughout the company
- Involved in implementation of trunking using Dot1Q, and ISL on Cisco Catalyst Switches
- Configured STP for loop prevention on Cisco Catalyst Switches
- Configured VTP to manage VLAN database throughout the network for Inter-VLAN Routing.
- Worked in setting up inter-VLAN routing, redistribution, access-lists and dynamic routing.
- Involved in configuring and implementing of Composite Network models consists of Cisco 3750, 2620 and, 1900 series routers and Cisco 2950, 3500 Series switches.
- Implemented various Switch Port Security features as per the company’s policy
- Configured RIP, and EIGRP on 2901 and 3925 Cisco routers.
- Configured VLANS to isolate different departments
- Maintenance and troubleshooting of network connectivity problems using PING, Track
- Design, installation and troubleshooting networks with hand-on experience with OSPF, ISIS, BGP, VPLS, Multicast, VPN, MPLS, & Traffic engineering.
- Provided technical support for expansion of the existing network architecture to in corporate new users.