Sr. Network Engineer Resume
Chicago, IL
PROFESSIONAL SUMMARY:
- Sr.Network Engineer around 8years of IT experience wif a focus on designing and developing security solutions.
- Strong knowledge based in the planning, design, and implementation of Information Systems and Network Technologies.
- Experienced in design, installation, configuration, administration and troubleshooting of LAN/WAN infrastructure and security using Cisco routers/Switches/firewalls.
- Enterprise Routing experience using protocols RIP v1 & 2, EIGRP, OSPF and BGP.
- Enterprise Switching wif VLANs, Trunks, Spanning Tree, Port Spanning etc.
- Switching tasks include VTP, ISL/ 802.1q, IPsec and GRE Tunneling, VLANs, Ether Channel, Trucking, Port Security, STP and RSTP.
- In depth understanding of IPV4 and implementation of Subnetting.
- Experience in configuring Site - to-site and remote access VPN solutions.
- Experienced in troubleshooting various network related problems by using sniffing tools.
- Network security including NAT/PAT, ACL, VPN Concentrator, IDS/IPS, and ASA/PIX Firewalls.
- Experience wif convert PIX rules over to the Cisco ASA solution.
- Responsible for Cisco ASA firewall administration across our global networks
- 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)
- Primary responsibility is to design and deploy various network security & High Availability products like Cisco ASA and other security products.
- Knowledge of how to configure, support, and troubleshoot Checkpoint firewalls and Palo Alto firewalls
- Network technologies including Optical VoIP VPN SAN switching and routing.
- Experience wif F5 load balancers - LTM, GTM series like 6400, 6800, 8800 for the corporate applications and their availability.
- Intermediate troubleshooting of alert messages from Solar winds.
- Experience in deploying EIGRP/BGP redistribution and the changing the metrics for the primary and backup
- Experience on a mesh 6500 and 5500 series routes and switches to support the core trading system. Involved
- Experience in designing data communications and networks utilizing dat utilize a mixture of frame relay,
- A highly organized individual who adopts a systematic approach to problem solving, TEMPeffectively analyzes results and implements solutions.
- Provided 24x7x365 availability and on-call support as required by the projects.
- Strong written and verbal communication skills, self-motivated, self-managed, result oriented, practical, always looking to learn and contribute.
TECHNICAL SKILLS
Routing and switching Protocols: RIP, RIP2, PPP, OSPF, EIGRP, IS-IS, BGP, SNMP, HTTP, FTP, TFTP, HTTP
Firewalls and Sniffers: Cisco PIX, FWSM, ASA, Check Point, OPNET, WIRESHARK
WAN Protocols and Technologies: HDLC, PPP, ATM, FRAME RELAY, IDSN, Metro Ethernet
Routers: Cisco 7609, 2600, 2800, 3800, 3640, Cisco 3745, 7200 Series
Switches: Cisco 3500, 5000, 6500 Catalyst Series Cisco 7000, 2000 Nexus Series
Network Equipment: CISCO 2950,3500,4500,6500 series Switches, CISCO 800, 1600, 2500
Operating System: Windows XP/7/8, UNIX, Linux
PRPFESSIONAL EXPERIENCE
Confidential, Chicago, IL
Sr. Network Engineer
Responsibilities:
- Experience working wif market data networks and dealing wif clients and deploying network designs
- Experience wif converting WAN routing from EIGRP/OSPF to BGP (OSPF is used for local routing only) which also involved converting from Point to point circuits to MPLS circuits.
- Experience working wif migration from 6500 series devices to 4500 Series switches in Campus deployments at Core, Distribution and Access Layers.
- Experience wif LAN protocols like STP, RSTP, MST, VTP, VLAN and Port Channel Protocols like LACP, PAGP
- Experience wif design and configuring Overlay Transport Virtualization (OTV) on Cisco NX-OS devices like Nexus 7000
- Experience working wif High performance data center switch like nexus 7000 series
- Experience working wif Nexus 7010, 7018, 5020, 2148, 2248 devices.
- Experience configuring VPC, VDC and ISSU software upgrade in Nexus 7010
- Experience in Configuring, upgrading and verifying NX-OS operation system wif OSPF, BGP
- Experience wif convert PIX rules over to the Cisco ASA solution.
- Responsible for Cisco ASA firewall administration across our global networks
- Key contributions include troubleshooting of complex LAN/WAN infrastructure dat include routing protocols EIGRP, OSPF & BGP
- Worked extensively in Configuring, Monitoring and Troubleshooting Cisco's ASA 5500 wif ACL, NAT, Object Groups, Failover, Multi-Contexts
- Owned H323 and MGCP Gateway for Call manager and IOS router.
- Configuring 2960s POE switches to replace existing 2950 switches.
- Configure switch ports for VOIP phones and add Qos scripts to configuration
- Developed deployment solutions for network technologies including Optical VoIP VPN SAN switching and routing.
- Responsible for layer 2 securities which was implemented using a dedicated VLAN ID for all trunk ports, setting the user ports to non-trucking, 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
- Implemented Site-to-Site VPNs over the internet utilizing 3DES, AES/AES-256 wif ASA Firewalls
- Implemented antivirus and web filtering at the web server as well as configuration of F5 Big-IP LTM-6400 load balancers and experience working wifF5 technologies (LTM, GTM, APM, V9, V10, V11)
- Responsible for managing activities, Upgrading IOS - Upgrading hardware and installing new devices, Tuning (Configuration), make standardization for the topology
- Configured, installed, &managed DHCP, DNS, & WINS servers
- Implement and configured HSRP/VRRP/GLBP (on distro/core switching), HSRP on different location of office on the switched network and managing the entire multilayer switched network
- Provide front end on-call network support 24x7x365 for all network infrastructures in the co-operation
Environment: Cisco routers (7200, 3800, 2800) and Cisco switches (6500, 3700, 4900, 2900), Nexus (7K, 5K & 2K) Routing Protocols (EIGRP, OSPF, BGP), Switching protocols (VTP, STP, GLBP, HSRP), Cisco PIX (525, 535), ASA (5505, 5510) firewall.
Confidential, Farmington Hills, MI
Network Engineer
Responsibilities
- Design, and configuring of OSPF, BGP Cisco routers.
- Configuring IP, RIP, EIGRP, OSPF and BGP in routers.
- Configuring VLAN, Spanning tree, VSTP, SNMP on EX series switches
- Configuring IPSEC VPN on firewalls
- Configured OSPF redistribution and authentication wif type 3 LSA filtering and to prevent LSA flooding.
- Configured OSPF over frame relay networks for NBMA and point to multipoint strategies.
- Switching related tasks included implementing VLANS, VTP, STP and configuring on Fast Ethernet
- VLAN Configurations, troubleshooting and Firewall ACLs and Object-Groups configuration and support
- Designed, configured, implemented and supported VoIP Installations.
- Installed and maintained routers and switches in various network configuration supported VLANs, Qos, VoIP and advanced access-Lists.
- Experience in deploying EIGRP/BGP redistribution and the changing the metrics for the primary and backup
- Experience on a mesh 6500 and 5500 series routes and switches to support the core trading system. Involved
- Experience in designing data communications and networks utilizing dat utilize a mixture of frame relay,
- Experience converting Cat OS to Cisco IOS on the Cisco 6500 switches
- Installation, Configuration and Administration of ADS,DNS,DHCP and Web proxy(ISA)server
- Worked on HSRP for load balancing.
- Managed theF5 BigIP GTM/LTMappliances to include writing iRules, SSL offload and everyday task of creating WIP andVIPs
- Manage Cisco Routers and troubleshoot layer1, layer2 and layer3 technologies for customer escalations
- Taking Regular backups & testing the backups by restoring in test lab frequently
- Configured IPSec site-to-site VPN connection between Cisco VPN 3000 Concentrator and Cisco 3800
- Managing a TACACS server for VPN user authentication and network devices authentication
- Troubleshooting and installing of CRS, ISR, GSR, ASR9000 and Nexus devices.
- Upgrade Cisco Routers, Switches and Firewall IOS using TFTP
- Monitored all Cisco equipment’s using Cisco Works
Environment: Juniper firewalls 5GT, 208, SSG 5, 140, 550, 550M, NSM, IDS/IPS 6500/3750/3550/3500/2950 switches, Juniper (M320, T640), Load balancing, Cisco 7200/3845/3600/2800 routers, TACACS, EIGRP, RIP, OSPF, BGP, VPN, Ether Channels.
Confidential, Ramsey, NJ
Network Engineer
Responsibilities:
- Configured Cisco Routers for OSPF, RIPv2, EIGRP, BGP, Static and default route.
- Experience in Cisco switches and routers: Physical cabling, IP addressing, Wide Area Network configurations.
- Responsible for Internal and external accounts and, managing LAN/WAN and checking for Security
- Switching related tasks included implementing VLANS and configuring ISL trunk on Fast-Ethernet and Gigabit Ethernet channel between switches.
- Designed ACLs, VLANs, troubleshooting IP addressing issues and taking back up of the configurations on switches and routers.
- Configured, Installed, tested and installed Cisco's enterprise telecommunications system
- installed and maintained VoIP infrastructure components
- Worked on HSRP for hop redundancy and load balancing.
- Provided port binding, port security and router redundancy through HSRP.
- Configured the Cisco router as IP Firewall and for NATing Configured RSTP, MST and used VTP wif 802.1q trunk encapsulation.
- Assisted in backing up, restoring and upgrading the Router and Switch IOS
- Assisted university campus for VOIP network management and troubleshoot
- Implementation of name resolution using WINS & DNS in TCP/IP environment
- Configured FTP server for inside/outside users & vendors
- Worked on F5 LTM, GTM series like 6400, 6800, 8800 for the corporate applications and their availability.
Environment: Cisco 7200/3845/3600/2800 routers, TACACS, EIGRP, RIP,, Vulnerability Assessment tools like Nessus, Red Hat, Solaris, Juniper VPN’s, SSL.
Confidential
Network Engineer
Responsibilities:
- Configured Routing protocols such as OSPF and policy based routing.
- Create and testCisco router and switching operations using OSPF routing protocol.
- Configuration and troubleshooting link state protocols like OSPF in multiple areas.
- Configuration 7609, 7606 wif OSPF and catalyst 6505, 4500, 3550 switches wif various VLAN.
- Configured HSRP and VLAN trucking 802.1Q, VLAN Routing on Catalyst 6500 switches.
- Optimized performance of the WANnetworkconsisting of Cisco 3550/4500/6500 switches by configuring VLANs.
- Configured VLANs wif 802.1q tagging. Configured Trunk groups, ether channels, and Spanning tree for creating Access/distribution and core layer switching architecture.
- Team member of Configuration ofCisco7206 router and Configuration of Catalyst switches.
- Configured BPDU Guard, port-fast, uplink fast and other spanning tree features.
- Configuration and troubleshooting of Cisco 2500, 2600, 3000, 6500, 7500, 7200 Series routers.
- Configured IP access filter policies.
- Providing Technical Support and solutions forNetwork Problems.
- Involved in migration of ACE 10 and ACE 20 to ACE 30 module
- Implementing NAT solution's on Cisco IOS routers.
- Worked on Cisco Routers, Active /Passive Hubs, Switches.
- 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 all the network Infrastructure devices including Network Printers and Registers
Environment: CISCO routers and switches, Access Control Server, VLAN, Trunk Protocols, CISCO ASA, DHCP, DNS, Spanning tree, Nimsoft.
Confidential
Network Support Executive
Responsibilities:
- Network Assessment and Documentation (including technical, operational, and economic assessment)
- Provided hardware and software support to corporate users and IT staff
- Provided technical support on hardware and software to remote production sites
- Help negotiate hardware, software, and circuit contracts for customers
- Configure and implement Remote Access Solution: VPN, ISDN dial up, Fractional T1
- Configure Cisco VPN 3000 Concentrator to allow VPN clients
- Redistribution of routing protocols and Frame-Relay configuration
- Troubleshoot Windows 2000 Servers and streamlining the user policy.
- Managing User accounts using Active Directory
- Implementation of TCP/IP & related Services-DHCP/DNS/WINS
- Maintained Local Area Network connectivity including switches, routers, wiring closets, and drops to the desktops
- Managing Layer 2 switches of Cisco, VLan configuration and assigning ports to specific VLan as per requirement
- Configured standard and extended access-lists on network
- Implement Cisco IOS Firewall IDS using 2600 series router