Sr. Network Engineer Resume
Dallas, TX
SUMMARY:
- Cisco Certified Network Engineer with 9+years of experience in Routing, Switching, Firewall Security and Troubleshooting.
- Hands - on experience in providing network support, installation and analysis for a broad range of LAN / WAN/MAN communication systems.
- Experience in Cisco: Physical cabling, IP addressing, Wide Area Network configurations (Frame-relay &MPLS).
- Experience in working with Cisco Nexus Switches and Virtual Port Channel configuration.
- Proficient in Cisco IOS for configuration & troubleshooting of routing protocols: MP-BGP,OSPF, LDP, EIGRP,RIP, BGP v4, MPLS, ISIS.
- Good knowledge in ACL, NAT/ PAT, Ether Channel, IP Sec and VPNs. Experience in Troubleshooting for connectivity and hardware problems on Cisco Networks.
- Experience in L2/L3 protocols like VLAN, STP, ISL, MPLS and Trunking protocols.
- Experience in set up, configuration and management of Cisco ASA Firewall in various domain such as Internet, DMZ, Business-Partner and Remote-Access VPN etc.
- Worked on network topologies and configurations, TCP/IP, UDP, Frame Relay, Token ring, bridges, routers hubs and Switches.
- Well Experienced in configuring protocols HSRP, GLBP, VRRP, ICMP, IGMP, PPP, PAP, CHAP, and SNMP.
- Experience in installing and configuring DNS, DHCP server and involved in designing and commissioning WAN infrastructure for redundancy in case of link failure.
- Strong hands on experience in installing, troubleshooting, configuring of Cisco ASR, 7200, 3900, 3800, and1800 series Routers, Cisco Catalyst 6500, 4500, 3750, 2950 and 3500XL series switches
- Extensive hand on experience with complex routed LAN networks, CISCO Routers and Switches.
- Good experience with Security Incident and Event Management (SIEM), Intrusion Detection and Prevention Systems (IDS/IPS) and log management and database activity monitoring.
- Multiple data center migrations and transformation projects, with great expertise on Wireshark. Upgrade and Maintenance of Service router such as Cisco router.
- Managing global outsourced services SLA with external third party vendors on the systems and applications side such as SUN, Red Hat, HP-UX, Oracle Linux, HP-UX, Symantec (to name a few).
- Protocols in high availability environment. Experience with different Network Management Tools and Sniffers like SNMP, HP-Open view, and Cisco works to support 24 x 7 Network Operation Center.
- Supported enterprise environment including: Aruba controllers, Airwave and APs/Cisco wireless controllers.
- Experience in designing MPLS VPN and QOS for architecture using Cisco multi-layer switches.
- Hands-on configuration and experience in setting up Cisco routers to perform functions at the Access, Distribution, and Core layers.
- Excellent customer management/resolution, problem solving, debugging skills and capable of quickly learning, effectively analyzing results and implement and delivering solutions as an individual and as part ofa team.
- Working experience with REMEDY for ticket change management process.
- Strong Experience in using various tools for management, analyzing, and troubleshooting, monitoring &process automation in Lab & Production environment.
- Finely tuned analytical/critical thinking and debugging skills with excellent verbal and written communication skills.
- Hand-on experience in developing scripts using Perl scripting language.
- Ability to Install, Manage & Troubleshoot Large Networks & Linux platforms in Development, Staging, Lab& Production Environments.
- Extensive knowledge in VMware installation, configuration, and virtualized infrastructure management.
- Knowledge on VMware ESX Server security tasks creating and applying Roles and Permission within Active Directory Users and Groups, Configuring vMotion, Resource Pool, and DRS, HA Cluster, cloning and migratingVM machines.
- Configuring VM's on ESX Server and installing hosts and Migrating Virtual Machines across various VMwareESX Server, Workstation and VMware servers.
- Highly enthusiastic, creative team player, project implementation, analytical, interpersonal andcommunication skills.
- Efficient at use of Microsoft VISIO/Office as technical documentation and presentation tools.
TECHNICAL SKILLS:
Protocols & Standards : lan, wan, wlan, vrf, vdc, tcp/ip, nat, pat, mpls, getvpn, gdoi, dmvpn, ipv4, ipv6, VPN, L2TP, ipsec / ISAKMP, IKE, voip, VSS, OSPF, ospfv3, EIGRP, bgpv4, vlans, acls, Layer 3, Switching, hsrp, glbp, vrrp, qos, tacacs+, radius, 802.1X, PKI, LDAP.
Cisco Platforms: Nexus 7K, 5K, 2K & 1K, Cisco routers (ASR 9K, 1K, 7600, 7200, 3900, 3600, 2800, 2600, 2500, 180 series) & Cisco Catalyst switches (6500, 4900, 3750, 3500, 4500, 2900 series
Juniper Platforms : M, J and MX Series Routers
Networking Concepts : Access-lists, Routing, Switching, Subnetting, Designing, CSU/DSU, IPsec, VLAN, VPN and Wireless Technology
Firewall : Cisco ASA, Palo alto Juniper NetScreen and Juniper SRX
Network Tools : IBM ITNM, Splunk, Stealth Watch, Solar Winds, SNMP, Cisco Works, Wireshark
Load Balancers : F5 Networks (Big-IP), Net Scaler
WAN technologies : Frame Relay, ISDN, ATM, MPLS, leased lines & exposure to PPP, DS1, DS3, OC3, T1 /T3 & SONET
LAN technologies : Ethernet, Fast Ethernet, Gigabit Ethernet, & 10 Gigabit Ethernet, Port- channel, VLANS, VTP, STP, RSTP, 802.1Q
Security Protocols : IKE, IPSEC, SSL-VPN
Networking Protocols : RIP, OSPF, EIGRP, BGP, STP, RSTP, VLANs, VTP, PAGP, LACP, MPLS, HSRP, VRRP, GLBP, TACACS+, Radius, AAA
VMware : VMware VSphere 3.5/4.1/5.0, Workstation 6/7, ESX Server 3.5
Operating System : Windows 7/XP, Windows Server 2008/2003, Linux, Unix
PROFESSIONAL EXPERIENCE:
Confidential, Dallas, TX
Sr. Network Engineer
Responsibilities:
- Configured Routing protocols such as RIP, OSPF, EIGRP, static routing and policy based routing.
- Team member of Configuration of Cisco 7206 router with VPN and Configuration of Catalyst switches.
- Configuration 7500, 7200 with OSPF and catalyst 6505, 4500, 3550 switches with various VLAN.
- Create and test Cisco router and switching operations using OSPF routing protocol, ASA 5500Firewalls,and MPLS switching for stable VPNs.
- Troubleshooting the Network Routing protocols (BGP, EIGRP and RIP) during the Migrations and new clientconnections.
- Hands on experience in Aruba S2500 switches, Aruba 7200, 3600 series wireless controllers, Aruba IAP105, Airwave Products and clear pass Servers.
- Configuring & managing around 500+ Network & Security Devices that includes Cisco Nexus & AristaSwitches, Juniper MX Series Routers, Juniper SRX Firewalls.
- Experienced with Juniper: EX-2200, EX-4200, EX-4500, MX-480, and M Series, SRX210, SRX240.
- Optimized performance of the WAN network consisting of Cisco 3550/4500/6500 switches by configuringVLANs.
- Configured OSPF and BGP on Juniper M and MX series Routers
- Configured VLANs with 802.1q tagging. Configured Trunk groups, ether channels, and Spanning tree forcreating Access/distribution and core layer switching architecture.
- Configuration and troubleshooting of Cisco 7500, 7200vxr, 3800, 3600, 2900, 2800, 2600,1800,1700 routers.
- Worked with Cisco Nexus, Catalyst and Aruba wireless devices.
- Implemented, configured BGP WAN routing, converting OSPF routes to BGP (OSPF in local routing).
- Experience in set up, configuration and management of Cisco ASA Firewall in various domain such asInternet, DMZ, Business-Partner and Remote-Access VPN etc.
- Experience in creating DAP Policies on Cisco ASA for Remote-access users and Creating IPSEC tunnel onASA with Business Partner Firewall.
- Technical assistance for LAN/WAN management and complex customer issues.
- Provided support for troubleshooting and resolving Customer and user reported issues.
- Worked with Network Engineer's in the installation and configuration of firewalls.
- Performed route redistribution & manipulated route updates using distribute lists, route-maps & administrativedistance, offset-lists.
- Involved setting up the TFTP server for backing up the IOS images and configuration files of Cisco Routersand Switches and troubleshooting the file servers.
- Upgrades, installs, configuration and administration security and monitoring tools on Linux.
- Provided redundancy to the network, implemented hot standby routing protocol (HSRP) andLoad sharingfor effective utilization of routers.
- Configuring, implementing and troubleshooting VLAN's, VTP, STP, Trunking, Ether channels.
- Configuring and maintenance of layer2 switching tasks which advocate VLAN, VTP, STP, RSTP, PVST,RPVST, configuring of ether channel with LACP and PAGP along with troubleshooting of inter-VLAN routing.
- Packet capturing, troubleshooting on network problems with Wireshark, identifying and fixingproblems
- Implementing, configuring, and troubleshooting various routing protocols like RIP, EIGRP, OSPF, and BGPetc.
- Maintenance of F5 Load balancers-6600/6800
- Performing network monitoring, providing analysis using various tools like Wireshark, Solarwinds etc.
Confidential, Santa Clara, CA
Network Engineer
Responsibilities:
- Architect, implement and manage LAN and WAN development leading to a scalable and flexible infrastructure that minimizes the reliance on consultants.
- Source, recommend vendors and negotiate terms for all infrastructure needs including data, voice and internet telecommunications, networking hardware and service agreements.
- Standardize network and server hardware configurations resulting in significant savings in support expenses.
- Regular upgrade and maintenance of Infrastructure, Installing, configuring, and maintaining Cisco Switches (2900, 3500, 7600, 3700 series, 6500 series) Cisco Routers (4800, 3800, 3600, 2800, 2600, 2900, 1800, 1700, 800) Cisco Router and Switches, Juniper Routers and Firewalls, Nexus 7k,5k & 2k, f5 BIG IP, Palo Alto Firewalls, BlueCoat Proxy and Riverbed Steelhead appliances .
- Configuring & managing around 500+ Network &Security Devices that includes Cisco Routers & Switches, Nexus Switches, Cisco Wireless, Juniper and Palo Alto Firewalls, F5 BigIP Load balancers, Blue Coat Proxies and Riverbed WAN Optimizers.
- Using Solarwinds I was responsible for analyzing network data to determine network usage, disk space availability, or server function.
- Implemented WAN connectivity to test and turn-Up IWAN link.
- After testing on completed site will be placed back on either dual circuits or with IWAN backup circuit.
- Implemented Zone Based Meraki Firewall and Security Rules on the Palo Alto Firewall
- Implementation of ISDN & FRAME-RELAY in Cisco router.
- Configure and troubleshoot Remote access and site to site-in Checkpoint & Palo alto firewall
- Proficient in design, implementation, management and troubleshooting of Check Point firewalls, Cisco PIX, NetScreen Firewalls, Check Point Provider-1 / VSX, Nokia VPN, Palo Alto IDS, Foundry / F5 Load Balancers, and Blue Coat PacketShaper systems.
- Experience in Configuring the Switch Ports for Wireless access points
- Configuring & managing around 500+ Network & Security Devices that includes Cisco Routers & Switches, Nexus Switches, Checkpoint firewalls, Cisco Wireless WLAN Controllers, Access Points (APs); Cisco, Aruba and Palo Alto Firewalls.
- Excellent knowledge in Routing, Switching, Firewall and Gateway technologies, system design, wireless design, data network design, capacity management and network growth. Co-ordinate with the Data Network and Security team and come up with possible solutions. Owned and managed internal IT relationships, vendor management, IT strategic development, day-to-day Service Desk/Customer Service operations, application portfolio and the IT/High Speed Data network infrastructure along with all Managed Services.
- Meraki Firewall Log review and analysis and troubleshoot connectivity issues
- Experience on working with different security types WPA/WPA2, 802.1x, Static WEP & use different RADIUS SERVERS (ISE, ACS, and FR) for testing.
- Responsible for configuration and troubleshooting of Cisco 4331, 4431, 3945, 1941 and similar routers, Cisco 3650, 3560, 2960 and other switches. Configurations involved routing protocols like OSPF, BGP, and EIGRP, DMVPN, IWAN, MPLS, QoS, Static routes, Vlans, VRFs etc.
- Worked on all Palo Alto Networks Firewall models (PA-2k, PA-3k, PA-5k etc.) as well as a centralized management system (Panorama) to manage large scale firewall deployments.
- Implemented Cisco IWAN at 25 sites till now. Worked on turning a site into IWAN involving provision of two circuits, one for MPLS, other for Internet, activating these circuits, forming DMVPN over MPLS and DMVPN over Internet with our IWAN-MPLS and IWAN- INET head end routers at Datacenters.
- Designed sites to have just MPLS or just Internet where DMVPN is established. Cradlepoints are designed to work alongside MPLS or Internet connections to provide offload.
- Managed Core network upgrades and unified communications and Identity Services Engine(ISE)deployment.
- Designed & Deployed Cisco ISE 1.2/1.3 for Enterprise RADIUS Authentication with Active Directory, RSA Secured, and Proxy Radius Services to Cisco ACS.
- Monitoring and capturing the traffic with multiple network management tools like Sniffer Infinistream, Wire shark, Net flow Analyzer, Solar winds, source fire, HP Open View, Cisco Works, Cisco ISE.
- Extensive experience in Aruba Wireless and Cisco Routing, Switch, Security and load balancers, Network Architecture, Engineering, Firewalls, Systems Analysis and Design, Implementation, Deployment and Maintenance.
- Design engineering deployment proposals for enterprise customer requests for Aruba and Cisco wired/wireless technologies & Develop Aruba Predictive RF Surveys and network design documentation, Bill of Materials and Design.
- Managing and configuring Aruba Wireless devices.
- Extensive experience in Installation, Configuration and Administration of FIREWALLS i.e. CISCO, Cisco ASA 5510, 5520, 5540, 5550, 5580, Juniper SRX, Junos, Fortinet, Checkpoint NGX-1/VPN-1 Firewall.
- Hands-on experience with Cisco equipment, Juniper equipment, CDN platforms; test platforms: Spirent
- Experienced in pertaining to security software (IOS-s) and hardware in Juniper and Cisco Routers and Switches
- Design and implementation of interfaces between FreeBSD and Juniper specific network components.
- Act as primary technical contact for all client, vendor and exchange connectivity.
- Design and implement corporate solutions for email, internet, virus protection, disaster recovery, data storage and backup, system and bandwidth monitoring, resulting in an improved level of professionalism and data integrity.
- Monitor perimeter and internal networks for intrusion and hacks (DoS, DDoS, attack signatures, etc).
Confidential, El Segundo, CA
Network Engineer
Responsibilities:
- Experience with Firewall Administration, Rule Analysis, Rule Modification
- Installed different software on the systems. Install and managing network devices including Hubs, Switches.
- Deployed 7613 as PE and CE router and Configured and troubleshoot the Edge Routers.
- Excellent troubleshooting knowledge on T1, T3, OC-3 and OC-12.
- Created and delivered internal trainings for BGP.
- Configured egress and ingress queues for ISP facing routers using CBWFQ.
- Generating RCA (Root Cause Analysis) for critical issues of layer1/layer2/layer3 problems.
- Ability to analyze, configure and troubleshoot networks
- Design, implementation and operational support of routing/switching protocols in complex environmentsincluding BGP, OSPF, EIGRP, Spanning Tree, 802.1q, etc.
- Estimated Project costs and created documentation for project funding approvals.
- Planned resources and presented project status to higher management.
- Configured CIDR IP RIP, PPP, BGP and OSPF routing.
- Configuration and troubleshooting of Cisco catalyst 6509, 7613 with supervisor cards.
- Experience with implementing and maintaining network monitoring systems (Cisco works and HP Open view)and experience with developing complex network design documentation and presentations using VISIO
- Worked with telecom vendors in regards to network fault isolation.
- Hands-on experience with WAN (ATM/Frame Relay), Routers, Switches, TCP/IP, Routing Protocols (BGP/OSPF), and IP addressing.
- Modified internal infrastructure by adding switches to support server farms and added servers to existingDMZ environments to support new and existing application platforms.
- Analyzed customer application and bandwidth requirements, ordered hardware and circuits, and built costeffective network solutions to accommodate customer requirements and project scope
- Identify, design and implement flexible, responsive, and secure technology services
- Involved in the configuration & troubleshooting of routing protocols: MP-BGP, OSPF, LDP, EIGRP, RIP, BGPv4. Configured IP access filter policies.
- Layer 2 switching technology architecture, implementation and operations including L2 and L3 switching andrelated functionality. This includes the use of VLANS, STP, VTP and their functions as they relate to networkinginfrastructure requirements including internal and external treatment, configuration and security.
- Troubleshoot traffic passing managed firewalls via logs and packet captures
- Configured and resolved various OSPF issues in an OSPF multi area environment.
- Managed fast Layer 3 switched/routed LAN/WAN infrastructure as a part of Network team. The LAN consistedof Cisco campus model of Cisco 3550 at access layer, Cisco 6513 at distribution/core layer
Confidential - Gibbsboro, NJ
Network Engineer
Responsibilities:
- Provided estimated bandwidth requirements for data replication, to best determine adequate timing formigration service levels.
- Configuring HSRP between VLANs, Configuring Ether-Channels, Port Channel on 6500 catalyst
- Switches Replace branch hardware with new 2851 routers and 2960 switches.
- Implemented WLAN Aruba Wireless Access Points and its Controllers at various corporate sites fort 11nInfrastructure and its legacy technologies.
- Experience in working with Cisco Nexus 5000 series switches for data center.
- Configured OSPF on CISCO devices with multiple routing processes and redistributed them. Tested andhands on experience in multi area OSPF topologies.
- Configuring, managing and troubleshooting networks using routing protocols like RIP, EIGRP and OSPF(Single Area and Multi Area).
- Assisted with troubleshooting all network issues with routers and switches when necessary and consultedwith on call tech as needed for client.
- Configuring/Troubleshoot issues with the following types of Cisco routers (7200, 6500, 4500, 1700, 2600 and3500 series), to include: bridging, switching, routing, Ethernet, NAT, and DNS, DHCP, as well as assisting withcustomer LAN /MAN, router/firewalls.
- Wrote IOS and CAT OS upgrade procedures and Pre/Post checks for customer production upgrades.
- Excellent Troubleshooting Skills and Customer Centric approach.
- Actively participated in upgrading fast Ethernet, Layer 3-switched/routed LAN infrastructure from Cisco 3640to Cisco 2811 ISR routers and switches at access level to 2950, 3550.
- Configured VLANs with 802.1q tagging. Configured Trunk groups, ether channels, and Spanning tree forcreating Access/distribution and core layer switching architecture.
- Assisted in network engineering efforts consistent with the infrastructure of an Internet Service Provider andsupport of such network services. Helped in designing and implementation of VLAN for the new users.
- Installation and Configuration of various types of Personal Computers and Printers. Installation of differentoperating systems on Intel based PC's.
- Installed Hard disks, Floppy drives, CD Drives, Sound Blaster cards, CPU, Memory, Power supply unit,Network card, Video graphics card, and Hard disk controller card on PC systems.
- Troubleshooting of personal computers. On line Support to customers concerning their computer problems.
Confidential, Orlando, FL
IP Technical Support
Responsibilities:
- Perform responsibilities of supporting the daily operations of the network, telecom and troubleshootingnetwork issues.
- Resolved end-user technical issues: TCP/IP wired and wireless network connectivity, desktops, laptops,printers, servers, Windows operating systems and applications.
- Responsible for updating the IOS and configuring the new Router and Catalyst Switches. Designed andinstalled small Windows XP based LANs for business clients.
- Troubleshot and resolved many user issues.
- Performed network testing and base lining.
- Designed ACLs, VLANs, troubleshooting IP addressing issues and taking back up of the configurations onswitches and routers.
- Provided testing for network connectivity before and after install/upgrade.
- Experience in Cisco switches and routers: Physical cabling, IP addressing, Wide Area Network configurations.Performed troubleshooting, while maintaining trouble ticket tracking, following internal/external. Responsiblefor creating and maintaining diagrams and documentation of network systems.
Confidential, Whippany, NJ
IP Technical Support
Responsibilities:
- Test PC, Laptop, tablet for O.S. - Do O.S. upgrades as needed
- Examine IT devices and record O.S., memory, HD, physical condition, etc.
- Examine and diagnose defective IT equipment.
- Clean IT devices before they are returned to clients.
- Test device performance and functionality of key features
- Receive IT devices into warehouse and report into Inventory system
- Record IT hardware detail information into our inventory system
