Sr. Network Engineer Resume
Austin, TX
SUMMARY
- CCNA CCNP CERTIFIED professional with around 8 years of experience in network design, implementation, and support. Routing, switching, firewall technologies, system design, implementation and troubleshooting of complex network systems.a
- Extensive experience in configuring and troubleshooting of protocols RIP v1/v2, EIGRP, OSPF, BGP and MPLS.
- 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 Juniper Netscreen & SRX Firewalls and their implementation
- Working Knowledge of Cisco IOS, Junos & basic Nexus (7K, 5K&2K).
- Switching tasks include VTP, ISL/ 802.1q, VLAN, Ether Channel, STP and RSTP.
- Strong hands on experience on PIX (506, 515, 525, 535), ASA (5505/5510) Firewalls. Implemented security policies using ACL, Firewall, IPSEC, SSL, VPN, IPS/IDS, AAA (TACACS+ & RADIUS).
- Responsible for Check Point and Cisco ASA firewall administration across global networks.
- Experience in physical cabling, IP addressing and Subnetting with VLSM, configuring and supporting TCP/IP, DNS, installing and configuring proxies.
- Technology and Infrastructure consultant for Cisco and Juniper design and implementation projects. Specific tasks include Integrated, Integrations, configurations, support and maintenance of routers and switches.
- Well experienced in configuring HSRP, GLBP, ICMP, PPP, PAP, CHAP and SNMP.
- 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).
- Administration and diagnostics of LAN and WAN with in-depth knowledge of TCP/IP, NAT, PPP, ISDN and associates network protocols and services.
- In-depth knowledge and hands-on experience in ISP Routing Policies, Network Architecture, IP Sub netting, VLSM, TCP/IP, NAT, DHCP, DNS, FT1 / T1 / FT3 / T3 SONET POS OCX / GigE circuits, Firewalls.
- Hands on Knowledge/experience on F5 load balancers, its methods, implementation and troubleshooting on LTMs and GTMs.
- Worked experience in configuring the cisco CRS which are used at distribution and core level by services providers to deliver data, voice and video services.
- Experience with design and deployment of MPLS Layer 3 VPN, MPLS Traffic Engineering, MPLS QOS
- Extensive experience in configuring Layer3 routing and layer2/3 switching of Juniper & Cisco based J2320,MX,EX,2950,2960,3600,3750,4500,6500,1700,1800,2600 and 3700 series routers & Switches.
- Troubleshooting & implementation of VLan, STP, MSTP, RSTP, PVST, 802.1Q, DTP, HSRP, VRRP, GLBP, LACP, PAGP, AAA, TACACS, RADIUS, MD5, VTP & SVI.
- Knowledge on complex Checkpoint, Cisco ASA & Juniper firewalls Environment.
- Proficient in setting up IT infrastructure including wide area networks (WAN), local area networks (LAN), security management systems network device administration.
- Experience working with Cisco IOS-XR on the ASR9000 devices for MPLS deployments
- Experience working with ARISTA switches like 7100, 7500 for cloud computing, datacenter and low latency networks.
- Experience in understanding terminal servers ILO and other OOB management methodology.
- IOS/JUNOS upgrade for Cisco & Juniper routers cum switches.
- Experience in testing Cisco & Juniper routers cum switches in laboratory scenarios and deploy on site for production.
- Experience with F5 load balancers andCiscoload balancers (CSM, ACE and GSS).
- Basic and advance F5 load balancer configurations, including migrating configurations fromCiscoACEto F5 and general troubleshooting of the F5 load balancers
TECHNICAL SKILLS
Protocols & Standards: LAN, WAN, WLAN, VRF, VDC, TCP/IP, NAT, PAT, MPLS, GETVPN, GDOI, DMVPN, IPv4IPv6, VPN, L2TP, IPsec / ISAKMP, IKE, VoIP, VSS, OSPF, OSPFv3, EIGRP, BGPv4, VLANsACLs, Layer 3, Switching, HSRP, GLBP, VRRP, QoS, TACACS+, RADIUS, 802.1X, PKI, LDAPPOE.
Cisco Platforms: Nexus 7K, 5K, 2K & 1K, Cisco routers (7600, 7200, 3900, 3600, 2800, 2600, 2500, 1800 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)
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, VLANSVTP, 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, GLBPTACACS+, Radius, AAA
Operating System: Windows 7/XP, Windows Server 2008/2003, Linux, Unix\
PROFESSIONAL EXPERIENCE
Confidential, Austin, TX
Sr. Network Engineer
Responsibilities:
- Experienced in Integration, configuration and maintenance of Cisco Router, Catalyst Switches and Firewalls.
- Configuring RIP, OSPF and Static routing on Juniper M and MX series Routers.
- Datacenter upgrades from C6500s to Nexus 7k/5k/2k, double-VPC between distribution and access, single-VPC to servers
- Responsible for all routing, switching, VPN, network security, and server load balancing.
- Using PBR with Route Maps for route manipulation/filtering. Troubleshooting routing issues like suboptimal routing and asymmetric routing.
- Implemented various EX, SRX & J series Juniper devices.
- Have created lot of site to site IPSEC VPN tunnel with Checkpoint, Juniper Netscreen firewalls and Cisco ASA firewalls.
- Very good Experience in using and maintaining various network monitoring tools like Solar winds, Fluke, plunk.
- 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 with F5 BIGIP LTMs/EM.
- Configured PPP, HDLC, BGPv4, EIGRP, MPLS and OSPF routing.
- Configured CIDR, IP, RIP, PPP, BGP and OSPF routing.
- Implemented SNMP on Cisco routes to allow for network management. Completed the installation and Configuration of CSU/DSU, T1, T3 & OC3 circuits
- Improved network capabilities and reliability by evaluating, testing, purchasing, and implementing new SONET, SDH, DWDM, IP/MPLS, Ethernet, and wireless technologies
- Configured Juniper MX480s, EX8200s, EX4500s, EX4200s, from scratch to match design.
- Has a good experience working with the Trouble Tickets on F5 Load balancers on LTM module
- Switch experience includes Cisco Catalyst switches: CISCO 3750, 4500, 6500 series switches.
- Configuration and maintenance of OSPF protocol which was the enterprise IGP. Configuration included deploying of new branch locations or new network devices in the existing infrastructure. Creating Stub Areas & configuring Summarization for effective Routing.
- Provided technical support for full setup, debugged the problems of OSPF, switching and HSRP.
- Implemented and used SDM to configure Cisco IOS security features and network connection.
- Configuring the cisco ASR and cisco CRS routers that are used at high end level of core and distribution which coordinates fabric, MCS(buffering, QoS and forwarding services) and PLIM booting.
- Implementation and maintained intrusion detection/ prevention (IDS/IPS) system to protect enterprise network and sensitive corporate data. For Fine-tuning of TCP and UDP enabled IDS/IPS signatures in Firewall.
- Configuration the access-list rules, network object-service group based on well-known port the port i.e. FTP/SFTP, SSH, HTTPS/HTTPS (SSL) and etc.
- Negotiate VPN tunnels using IPsec encryption standards and also configured and implemented site-to-site VPN, Remote VPN.
- Security policy review and configuration in Juniper SRX Firewall in US offices and Datacenter.
- Working knowledge of the UNIX and CLI based command to implement the networking tools.
- Configured and monitored Firewall logging, DMZ’s and related security policies.
- Responsible for service request tickets generated by the helpdesk in all phases such as troubleshooting, maintenance, upgrades, patches, fixes, and all around technical support of 24*7.
- Configuration of ACLs in Cisco 5540 series ASA firewall for Internet Access requests for servers in LAN and DMZ and also for special user requests as authorized by management.
- Involved in L2/L3 Switching Technology Administration including creating and managing VLANs, Port security, Trunking, STP, Inter-Vlan routing, LAN security.
- Implementing, configuring and troubleshooting routing protocols such as OSPF (v3, v2), RIPv2, BGPv4, EIGRP, HSRP, GLBP and MPLS
Confidential, LA, CA
Sr. Network Technical Specialist
Responsibilities:
- Remote infrastructure management of offices in different locations nationwide.
- Managing Co-location and Datacenter infrastructure in North America.
- Troubleshooting and escalation management of day-to-day issues for offices.
- Design and configuring of OSPF, BGP on Juniper Routers and SRX Firewalls.
- Security policy review and configuration in Cisco ASA and Juniper SRX Firewall in US offices and Datacenter. Troubleshooting of CISCO routers like ping, trace route and basic issues.
- Configuring, testing, troubleshooting multiple vendor device platforms like Cisco routing and switching: Cisco ASR9010, ASR901, ASR903, Catalyst Cisco 7609, 2960, and Juniper routing and switching devices: MX960, MX 480 and SRX5200, ACX2200, ALU service aggregation router: 7705 SAR 8 and 7750 service router.
- Ensure connectivity and communication among networks, servers and clients inside and outside department.
- Create and test Cisco router and switching operations using OSPF routing protocol, ASA Firewalls for stable VPNs.
- Installed controller and light weight access point coordination with JTAC.
- Maintenance and trouble-shooting of LAN, WAN, IP Routing, Multilayers Switching.
- Installing of VoIP telephones and including them into the existing network.
- Responsible for DNS, and TCP/IP support.
- Migration of existing IPSEC VPN tunnels from Pre-Shared key to Certificate Authority for purpose of scaling
- Integrated, Integration and trouble-shooting of routing protocols like static and dynamic.
- Implemented site to site VPN in Juniper SRX as per customer.
- Configuring & managing around 500+ Network &Security Devices that includes Cisco Routers & Switches, Nexus Switches, Juniper and F5 Big IP Load balancers, Blue Coat Proxies and Riverbed WAN Optimizers.
- Installing, configuring, and maintaining Cisco Switches (2900, 3500, 7600, 3700 series, 6500 series) Cisco Routers (4800, 3800, 3600, 2800, 2600, 2900, 1800, 1700, 800)
- Operations and management of company LAN, WAN, and wireless networks, including routers, switches, Access Points, Firewalls and other network i.e. Riverbed, Bluecoat, F5 LTM/GTM.
- Configure networks to ensure their smooth and reliable operation for fulfilling business objectives and processes.
- Designed and deployed hosted network andsecurityinfrastructure supporting a single vSphere cloud across two geographically dispersed data centers in 10 days
- Designed and maintained the VLAN architecture, IP address scheme,securityarchitecture, securitypolicies, OS hardening, ADS architecture, and DNS Name Space across a globally dispersed infrastructure.
- Procured, installed, configured, and maintained Cisco switches, Cisco routers,ASA/PIX firewalls,CheckpointFirewalls(on Sun Solaris hardware),f5BigIP Load balancers, Nortel VPN Hardware, Avaya Firewall/VPN Hardware, and Dell Windows 2000/2003 Servers.
- Regular upgrade and maintenance of Infrastructure including Cisco Router and Switches, Juniper Routers and Firewalls, Nexus 7k,5k & 2k, f5 BIG IP, Bluecoat Proxy and Riverbed Steelhead appliances.
- Monitor network performance and troubleshoot problem areas as needed.
- Conduct research on network products, services, protocols, and standards to remain abreast of developments in the networking industry.
- Create and maintain documentation and Visio diagrams as it relates to network configuration, network mapping, processes, and service records.
- Ensure network connectivity of all servers, workstations, telephony equipment, fax machines, and other network appliances.
- Improved network capabilities and reliability by evaluating, testing, purchasing, and implementing new SONET, SDH, DWDM, IP/MPLS, Ethernet, and wireless technologies.
- Responsible for creating and maintaining Microsoft VISIO diagrams and MS WORD documentation of network systems
Confidential, Scarborough, ME
Network Engineer
Responsibilities:
- Responsible for Configuring SITE TO SITE VPN on Cisco ASA 5500 series firewall between Head office and Branch office
- Installation & configuration of Cisco VPN concentrator 3060for VPN tunnel with Cisco VPN hardware & software client and PIX firewall
- Designed and implemented F5 Big IP load balancers that resulted in improving application performance.
- Configured Firewall logging, DMZs & related security policies & monitoring
- Planning and configuring the routing protocols such as OSPF, RIP, and Static Routing on the routers.
- Performed and technically documented various test results on the lab tests conducted.
- Installed and configured Cisco ASA 5500 series firewall and configured remote access IPSEC VPN on Cisco ASA 5500 series
- Worked onCiscoLayer 2 switches (spanning tree, VLAN).
- WAN Infrastructure running OSPF & BGP as core routing protocol.
- Support various Routers like 2600/3600/7200 series routers.
- Configure and InstallF5New Virtual Servers, Profiles, IRules, Pools, Nodes, Generate CSR Certificate, SSL Certificates Etc.,
- Tested authentication in OSPF and BGP.
- Actively participated and completed many projects based on MPLS VPN, Internet Solutions for corporate customers in COLT.
- Responsible for troubleshooting complex networking issues in service provider MPLS & internet
- Backbone.
- Hands on experience working on Cisco 7600, 12K, ASR routers & Juniper MX series and Juniper BRAS.
- Actively participated Implementation and customization of customer network.
- Designing, Provisioning and Installation of the Customer Sites in Oracle IPSA for MPLS Backbone.
- Implementation and testing of ISDN BRI/PRI circuits.
- Responsible to troubleshoot the connectivity between CPE router and the COLT's edge router (SAR).
- Configuration and troubleshooting of many link types i.e. SONET Controllers for sub E1/T1, E3/T3 and
- POS controllers for STM1 links.
- Worked closely with RIR(Regional Internet Registry) to procure PI(Provider Independent) and PA(Provider
- Aggregately) IP addresses and AS numbers for COLT and customers.
- DNS Zone administration for 13 countries across EU for COLT customers.
- Set up DNS Reverse Delegation according to RIPE rules in RIPE Database.
Confidential
Jr. Network Engineer
Responsibilities:
- Migration of RIP V2 to OSPF, BGP routing protocols.
- Configured EIGRP for Lab Environment.
- Implemented ISL and 802.1Q for communicating through VTP.
- Working with Client teams to find out requirements for their Network Requirements.
- Designing solutions for frozen requirements using Cisco Routers and Switches.
- Deploying the network infrastructure to meet the requirements.
- Created VLAN and Inter-Vlan routing with Multilayer Switching.
- Documenting and Log analyzing the Cisco ASA 5500 series firewall.
- Monitor performance of network and servers to identify potential problems and bottleneck.
- Performed administrative support for RIP, OSPF routing protocol.
- Maintained redundancy on Cisco 2600, 2800 and 3600 routers with HSRP.
- Real time monitoring and network management using Cisco Works LMS.
- Provided technical support on hardware and software related issues to remote production sites.
Confidential
Technical Network Associate
Responsibilities:
- Performed troubleshooting, while maintaining trouble ticket tracking, following internal/external escalation procedures and customer notifications. Configured Cisco Routers for OSPF, RIP, IGRP RIPv2, EIGRP, Static and default route.
- Configured the Cisco router as IP Firewall and for NATting.
- Supporting Development team for the access to corporate network and outside world. Providing access to specific IP, Port filter and port access.
- Switching (Ethernet) related tasks included implementing VLANS and configuring ISL trunk on Fast-Ethernet channel between switches.
- Installation and maintenance of new network connections for the customers.
- Configuring all the required devices and equipment for remote vendors at various sites and plants.
- Installing new equipment to RADIUS and worked with MPLS-VPN and TACACS configurations.
- Installing and maintaining local as well as network printers.
- Validating existing infrastructure and suggesting new network designs.
- Working on creating new load balancing policies by employing BGP attributes including Local Preference, AS-Path, and Community, MED.
- Installing and maintaining Windows NT Workstations and Windows NT Server.
- Providing technical support to LAN & WAN systems.
- Monitoring Memory/CPU on various low end routers in a network.
- Monitor performance of network and servers to identify potential problems and bottleneck.
- Performed administrative support for RIP, OSPF routing protocol.
- Maintained redundancy on Cisco 2600, 2800 and 3600 router with HSRP.
- Real time monitoring and network management using Cisco Works LMS.
- Provided technical support on hardware and software related issues to remote production sites.
- Configuring routers and send it to Technical Consultants for new site activations and gives online support at the time of activation.
