Network Engineer Resume
Lake Zurich, ChicagO
SUMMARY
- 8+ plus years of experience in routing, switching, firewall technologies, system design, implementation and troubleshooting of complex network systems.
- Strong hands on experience in installing, configuring, and troubleshooting of Cisco 7600, 7200, 3800, 3600, 2800, 2600, 2500 and 1800 series Routers, Cisco Catalyst 6500, 4500, 3750, 2950 and 3500XL series switches.
- Extensive experience in configuring and troubleshooting of routing protocols RIP v1/v2, EIGRP, OSPF and BGP.
- Racking, Stacking, configuring, Nexus 5K and 2K and 7K.
- Worked on network topologies and configurations, TCP/IP, UDP, Frame Relay, Token ring, ATM, bridges, routers, hubs and Switches.
- Experience in source fire implementation and design.
- Design, Build, and Implement various solutions on Check Point Firewalls, Blue Coat Proxies, F5 Load balancers and F5 Global Traffic Managers.
- Switching tasks include VTP, ISL/ 802.1q, IPSec and GRE Tunneling, VLANs, Ether Channel, Trunking, Port Security, STP and RSTP.
- Innovated wif support of Palo Alto for remote and mobile users and for analyzing files for malware in a separate (cloud - based) process that does not impact stream processing.
- Implemented NetApp storage and Cisco UCS compute environment.
- Network security including NAT/PAT, ACL, and ASA/PIX Firewalls.
- Good noledge wif teh technologies VPN, WLAN and Multicast.
- Knowledge of protocols like DHCP, DNS, TCP/IP.
- Responsible for creating network configurations for Cisco ASR9k, CRS, Nexus 7000, 7609, 7613, 6509, 4509, 5500, 3550, 2620, 2621, 1720, Junipers MX960, M320 and M7i's.
- Well Experienced in configuring protocols HSRP, GLBP, ICMP, IGMP, PPP, PAP, CHAP, and SNMP.
- Manage all network and devices to include Cisco routers, switches, VPNs, SSL, Check Point, Cisco PIX, Cisco ASA, Cisco FWSM as well as content delivery networks (CSS, Citrix Netscaler and F5 BigIP LTM and GTM 1600 and 3400 load balancers) enterprise environment.
- Experience in configuring Site-to-site and remote access VPN solutions.
- Implemented Positive Enforcement Model wif teh help of Palo Alto Networks0.
- Good noledge in configuration of Voice VLAN’s (VOIP), prioritizing teh voice traffic over teh data traffic.
- In depth understanding of IPV4 and implementation of Subnetting.
- Configured Security policies including NAT, PAT, VPN, Route-maps, prefix lists and Access Control Lists.
- Checkpoint Level3 operations support wif hardware operations - fixed all problems & RMA’s, taking any escalations that dealt wif teh equipment and its connection: interfaces, VLAN’s, routes, etc.
- Extensive Experience in WAN Technologies, Switching Technologies along wif Failover Mechanisms & Inter Vlan Routing types.
- Experience in designing, implementing and supporting networking components of Cisco UCS implementation.
- Experience wif F5 load balancers - LTM, GTM series like 6400, 6800, 8800 for teh corporate applications and their availability.
- Involved in iRule management like loading rules, writing iRule syntax using TCL language.
- Involved in design and deploying various network security & High availability products like Cisco ASA and other security products.
- In-depth noledge and hands-on experience in Tier II ISP Routing Policies, Network Architecture, IP Subnetting, VLSM, TCP/IP, NAT, DHCP, DNS, Firewalls.
- Have noledge in Cisco monitoring and troubleshooting tools.
- Experience in implementing site-to-site and remote access VPN Technologies using GRE, IPSEC & MPLS.
- Expertise on Cisco Datacenter Switches such as Nexus 6500, 7000.
- Experience in implementation, support and trouble shooting of VLAN’s including operational noledge spanning tree protocol (STP),VLAN Trunking, inter VLAN routing and ISL/802.1q.
- Maintenance of existing network for day to day activities like link utilization and traffic monitoring.
- Working experience wif Natting techniques on firewalls such as Cisco PIX, Cisco ASA Appliance.
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, 7009, Nexus 2232, 5596, 7009
Load Balancer: F5 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 HSRP, VRRP, GLBP
AAA Architecture: TACACS+, RADIUS, Cisco ACS
Network Management: Wire shark, SNMP
Operating Systems: Windows (98, ME, 2000, XP, Vista, Windows 7)
PROFESSIONAL EXPERIENCE
Confidential, Lake Zurich, Chicago
Network Engineer
Responsibilities:
- Experience converting Cat OS to Cisco IOS on teh Cisco 6500 switches.
- Designed MPLS VPN and QoS for teh 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.
- Configured Cisco ASR-9K, ISR 2800 & 3800 series routers wif OSPF as an enterprise IGP.
- Deployed and managed Intrusion Detection System/Intrusion Prevention Systems security monitoring programs based on Packet Design and IDS Sourcefire technologies.
- Worked on F5 BIG-IP LTM 8900, configured profiles, provided and ensured high availability.
- Configure / Troubleshoot CISCO 12000, 7500, 3800 series routers and 3560 series switch for LAN/WAN connectivity.
- Configuration of IPS and Blue-coat Proxy SG for internet proxy and content filtering.
- Worked on Cisco UCS, MDS, Netapp, and EMC Storage Devices.
- Involved in design and implementation of Data Center Migration, worked on implementation strategies for teh expansion of teh MPLS VPN networks.
- Configured network using routing protocols such as EIGRP MPLS, OSPF, and BGP and troubleshooting L2/L3 issues.
- Designing, Implementing and Troubleshooting Cisco 3750, 3550, 3560, 2924, 6509-V-E, 6513, 6504, 6503, 6506, 6500 series switches, GSR, ASR routers wif Cisco IOS and IOS-XR
- Responsible for security assessment of CISCO ASA 5500-X series Next-Generation Firewalls, IDS Sourcefire
- Defence Center to find vulnerabilities like CSRF, XSS, SQL Injection, Code Injection, Autantication &
- Authorization Bypass
- Involved in creating and implementing phased migration plans to Configure Dot1x on these Switches Secured network access wif Cisco ISE 1.2 (RADIUs )
- Experience wif 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.
- Configured teh F5 Load balancers to distributes network or application traffic across a newly deployed servers to improve teh overall performance of applications and increase capacity concurrent users and reliability of applications or servers
- Configured Cisco ASR, ISR 2800 & 3800 series routers wif OSPF as an enterprise IGP
- VPN / WAN Support -Network Monitoring/24-7 Maintenance
- Build various network technologies from teh ground up specifically Bluecoat Web proxies.
- Experience working wif 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 on Juniper router installed in each branch across all teh states.
- Supporting ISIS and BGP based on teh network by resolving level 2 &3 problems of internal teams & external customers of all locations.
- Supported on Cisco Nexus 5000 and Nexus 7000 Series Switch fabric links.
- PANDB migration and code upgrades for Palo Alto Firewalls
- Performed Site-to-Site VPN's, VPN concentrators, ASA's, Anyconnect, 802.1x wif ISE, Radius, ACS.
- Configuring HSRP between teh 3845 router pairs for Gateway redundancy for teh client desktops.
- Configure and Troubleshoot Juniper Router (J2320) wif IOS (JUNOS 9.3).
- Performed IP address planning, designing, installation, configuration, testing, maintenance, and troubleshooting in complete LAN, WAN development
- Configured Juniper routers for VRRP network routing redundancy.
- Providing daily network support for national wide area network consisting of MPLS, VPN and point-to point site.
- In charge providing support troubleshooting Network and DNS issues wif client DHCP Scopes and Scopes assigned on teh firewalls and VPN appliances.
- Responsible for writing processes and procedures on Net motion, Endpoint Encryption, Blue Coat ProxySG, Proxy Web Filter, ProxyAV, Proxy Reporters, and Proxy Director, F5, Checkpoint Firewalls, Cisco Pix, Smart Dashboard Server 7.0
- Involved in troubleshooting of DNS, DHCP and other IP conflict problems
- Worked on configuration and commissioning of teh MPLS circuits for various branch offices.
- Experience wif design and deployment of Client VPN technologies including Cisco’s IPSEC VPN between teh ASA Firewall and between Cisco Routers.
- Experience wif deployment of Fibre Channel over Ethernet (FCoE) between teh Data Centers using Nexus 5548P Switch.
- Cisco Nexus 7K, 5K, 2K and UCS Deployment in multi-tenant design w/Cisco ASA 5585-X's
- Experience configuring VPC, VDC and ISSU software upgrade in Nexus 7010
- Experience in Configuring, upgrading and verifying NX-OS operation system wif 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 enterprise network infrastructure utilizing Juniper routers.
- 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 autantication, and HSRP autantication
- Established test environment for prototype PRL Project comprises of Solaris 2.5
- Actively involved in Data Center Migrations and its operations.
- Implemented antivirus and web filtering on Juniper SRX 240 at teh 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
- Administration of ASA firewalls in teh DMZ and FWSM in teh Server Farm to provide Security and
- Controlled/ restricted access.
Confidential, Montville, NJ
Network Engineer
Responsibilities:
- Extensive experience in configuring and implementing EIGRP, OSPF and BGP.
- Supported core network consisting of Cisco 7200 series routers running multi area OSPF.
- Worked on 2600, 3500, 7613 Cisco Routers and 4500 and 6500 series Cisco Switches.
- Configured and deployed BIG-IP LTM 6900 for providing application redundancy and load balancing
- Configuration of EIGRP and OSPF as interior gateway protocol wif route filtering and route redistribution.
- Responsible for service request tickets generated by teh helpdesk such as troubleshooting, maintenance, upgrades, patches and fixes wif all around technical support
- Supporting EIGRP and BGP for problems of L2/L3 in internal teams & external customers.
- Providing daily network support for national wide area network consisting of MPLS, VPN and point-to point site.
- Upgrading Used DHCP to automatically assign reusable IP addresses to DHCP clients.
- Support customer wif teh configuration and maintenance of PIX and ASA firewall systems
- Built site-to-site IPSec VPNs over Frame-relay & MPLS circuits on various models of Cisco routers to facilitate adding new business partners to new and existing infrastructures.
- Worked on documentation to create Visio diagrams using MS Visio.
- Worked on F5 BIG-IP LTM 8900, configured profiles, provided and ensured high availability.
- Worked on F5 load balancers deploying many load balancing techniques wif multiple components for efficient performance.
- Configuration of Access List ACL (Std., Ext, Named) to allow users all over teh company to access different applications and blocking others.
- Configured STP for loop prevention and VTP for Inter-VLAN Routing.
- Hands on experience wif Nexus Switches 2K, 5K and 7K.
- Configuring Virtual Chassis for Juniper switches EX-4200, Firewalls SRX-210.
- Created standard access lists to allow SNMP, NTP and logging servers.
- Documented new VPN enrollments in a database and create standard procedures for further improvement.
- Troubleshoot traffic passing managed firewalls via logs and packet captures.
- Configuring various advanced features (Profiles, monitors, iRules, Redundancy, SSL Termination, Persistence, SNATs, HA on F5 BIGIP appliances SSL termination and initiation, Persistence, Digital Certificates, Executed various migration/upgrade projects across F5 and hands on wif F5 BIGIP LTMs/EM.
- Networking protocols worked wif included but not limited to TCP/IP, DNS, WINS, DHCP, VPN, Terminal Services, Routing and Remote Access, Network Design, wiring and cablings such as BGP and OSPF.
Confidential, Roseville, MN
Network Engineer
Responsibilities:
- Assisted in troubleshooting LAN & WAN connectivity and hardware issues in teh network of 10000 hosts.
- Studied and analyzed client requirements to provide solutions for network design, configuration, administration, and security.
- Experience wif configuring BGP, OSPF on 7609 router.
- Maintained redundancy on Cisco 2600, 2800 and 3600 router wif HSRP.
- Monitor performance of network and servers to identify potential problems and bottleneck.
- Performed RIP & OSPF routing protocol administration.
- Interacted wif support services to reduce teh downtime on leased lines.
- Dealt wif creating VIP (virtual servers), pools, nodes and applying rules for virtual servers like cookie persistency, redirection of teh URL.
- Troubleshoot problems on a day to day basis & provide solutions that would fix teh problems wifin their Network.
- Assisted wif various duties that will arise including: implementation, configuration, management, rules definition, problem solving, design advice, troubleshooting, updating, maintenance, etc.
- Monitor teh operability and reliability of teh network.
- Maintenance and Troubleshooting of LAN connectivity problems using Ping, Trace route.
- Managed teh IP address space using subnets and variable length subnet masks (VLSM)
- Worked on project and coordinated wif cabling vendors.
- Involved in troubleshooting IP addressing issues and Updating IOS images using TFTP.
- Worked along wif teh team in ticketing issues.
- Daily responsibilities included monitoring remote site using network management tools, assisted in design guidance for infrastructure upgrade & help LAN administrator wif backbone connection and connectivity issues
Confidential
Network Support Engineer
Responsibilities:
- Deploying and configuring Cisco 12000, 7600, 3800 & Juniper M series routers & Catalyst 6500 series switches for teh core, distribution and access layer in an enterprise composite model network infrastructure.
- Designing and deploying EIGRP, OSPF, BGP, MPLS-VPN protocols and routing technologies for connecting data center to remote locations.
- Configuring, Monitoring and Troubleshooting Cisco's PIX firewall, ASA 5500 security appliance, Cisco 4200 IPS appliance and Implementation experience in building DMZ, and integration of firewalls wif Gateway Anti-Virus and web Filtering applications from Trend Micro and Web sense.
- Configuring various advanced features (Profiles, monitors, iRules, Redundancy, SSL Termination, Persistence, SNATs, HA on F5 BIGIP appliances SSL termination and initiation, Persistence, Digital Certificates, Executed various migration/upgrade projects across F5 and hands on wif F5 BIGIP LTMs/EM.
- Designed and Developed Internet Security policy for teh company in order to build a secure and robust network Infrastructure.
- Configuration of Failover on firewalls and configuration of Cisco (AAA) ACS server, RADIUS and TACACS+ for VPN users and implementation of secured VPN on Cisco routers, PIX and VPN concentrator appliances.
- Worked on IP Frame Relay (FR) and Gigabit Ethernet WAN Technologies.
- Installed, configured, maintained and troubleshoot JUNOS, Juniper M-Series & T-Series routers, Foundry Network L2/L4 Switches.
- Worked wif vendors (Juniper, Cisco, etc) when issues arise and see it through all teh way until issue is resolved or a bug TEMPhas been identified and turned over to development.
- Real-time network monitoring using HP Open View by implementing policies and creating custom events. Analyzed network traffic using analyzer such as Wireshark, MRTG 2.13.
- Configuring Quality of Service (QoS) policies and rate limiting queuing parameters on Cisco and Juniper Platforms.
- Created & documented wiring and network diagram using MS- Visio.