Senior Network Engineer Resume
PA
SUMMARY
- CCNA CCNP certified highly motivated network consultant with 8+ years of experience in integrating, designing, deploying and troubleshooting Network & Security infrastructure on routers, switches (L2/L3) & firewalls of various vendor equipment.
- Experience working with 2600, 2900, 3600, 3900, 7200, 7600 series Cisco Routers.
- Working Knowledge of Cisco IOS, Junos & basic Nexus (6K, 5K & 2K).
- Efficient designing of IP Addressing Scenario using VLSM and Sub netting.
- Good at OSI Layers concepts.
- 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).
- Experience in testing Cisco routers and switches in laboratory and deploy them on site production.
- Involved in Configuration of Access lists (ACL) on Juniper and Palo Alto firewall for the proper network routing for the B2B network connectivity.
- Strong hands on experience in layer - 3 Routing and layer-2 Switching. Dealt with Nexus models like 7K, 5K, 2K series, Cisco router models like 7200, 3800, 3600, 2800, 2600, 2500, 1800 series and Cisco catalyst 6500, 4500, 3750, 3500, 2900 series switches, Palo Alto Firewalls, Bluecoat Proxy.
- 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.
- Experience with design and deployment of MPLS Layer 3 VPN, MPLS Traffic Engineering, MPLS QOS
- Diverse industry exposure - telecom, consumer goods, health care and IT consulting
- 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.
- Knowledge on complex, Cisco ASA & Palo Alto 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 with convert Checkpoint VPN rules over to the Cisco ASA solution. Migration with both Checkpoint and Cisco ASA VPN experience.
- Experience in RIP, OSPF, BGP, EIGRP.
- 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.
- Native communication skills and a team player, Effective inter-personal skills, adaptive to any environment, with the latest technologies and delivering solutions as an individual and as part of a team
- Knowledge in Password Recovery and trouble shooting of Cisco & Juniper device.
TECHNICAL SKILLS
Routers: 2500, 2600, 2800, 3600, 3700, 3800, 7200, 7609, ASR1k
Firewalls: Juniper SRX, Cisco ASA and Check PointRouting: OSPF, EIGRP,BGP,RIP, PBR, Route Filtering, Redistribution, Summarization, Static routing
Switches: 2900XL, 2950, 2960, 3560, 3750X, 4500, 6500
Switching: VLANs, Dot1Q, VTP, STP, RSTP, VLAN Maps, HSRP, GLBP, CEF, DCEF, Port Security
LAN/WAN Technologies: Ethernet, Frame relay, MPLS, HDLC, PPP, T1, T3, OC Standard, ISDN
Operating System: Windows 7/XP, Windows Server 2008/2003Protocols: IP, TCP, UDP, ICMP, NAT, DNS, DHCP, SNMP, IPSEC, SSL, HTTP, SSH.
VPN Technologies: IPSEC, SSL
PROFESSIONAL EXPERIENCE
Confidential, PA
Senior Network Engineer
Responsibilities:
- Experience with converting Cisco ACE load balancer to F5 LTM load Balancer in data center environment
- Strong knowledge on networking concepts like TCP/IP, Routing and Switching
- Experience working with Cisco Nexus 2148 Fabric Extender and Nexus series to provide a Flexible Access Solution for datacenter access architecture.
- Design, implementation and operational support of routing/switching protocols in
- Perform extensivetestingaround the upgrade, migration and configuration functionality of our software, Security policy review and configuration in Palo Alto
- Worked extensively in Configuring, Monitoring and Troubleshooting Cisco's ASA 5500/PIX security appliance
- Configured OSPF and BGP on JuniperM and MX series Routers
- Dealt with NAT configuration and its troubleshooting issues related access lists and DNS/DHCP issues within the LAN network.
- Worked on FTP, HTTP, DNS, DHCP servers in windows server-client environment with resource allocation to desired Virtual LANs of network,
- Dealt with monitoring tools like (Solar Winds, Cisco Works), network packet capture tools like Wireshark, Deployed the Nexus 7000/5000/2000 architecture.
- Have created lot of site to site IPSEC VPN tunnel with Checkpoint, Juniper Netscreen firewalls and Cisco PIX/ASA firewalls. Completed a project to update the patch HFA50 across all the firewall to overcome the bugs in the existing version of R65.
- Demonstrated topics of CISCO switching & routing to team as per training sessions.
- Implemented configuration scripts and necessary changes on switches & routers as per IBM.
- Extended support on access layer, distribution layer and core layer device of IBM as per assigned.
- Involved in configuring Juniper SSG-140
- Configuring and managing Blue Coat Proxy Servers.
- Implementation of name resolution using WINS and DNS in TCP/IP environment
- UNIX/Linux operating systems in support of network operations, various application software and general network system administration.
- Configuring, Monitoring and Troubleshooting Cisco's ASA 5500/PIX as per the design
- Experience with moving data center from one location to another location, from Cisco 6500 based data center to both Cisco 6500 & Nexus based data center
- Maintained TCP/IP problems troubleshoot connectivity issues in multi-protocol Ethernet environment.
- Experienced with Juniper: EX-2200, EX-4200, EX-4500, MX-480, and M Series, SRX210, SRX240.
- Implemented Site-to-Site VPNs over the internet utilizing 3DES, AES/AES-256 with PIX Firewalls
- Experience with MP-BGP and MPLS LDP protocols
- Plan Design and assist in deploying enterprise wide Network Security and High Availability Solutions for ASA.
- 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 .
- Extending end to end network support on L2 and L3 switches.
- Integrated, Integration and trouble-shooting of LAN, WAN & Multi-Layer Switching.
- Act as first point of contact to diagnose an issue and drive it to closure
- Troubleshooting of complex LAN/WAN infrastructure that include routing protocols EIGRP, OSPF & BGP
- Implementing traffic engineering on top of an existing Multiprotocol Label Switching (MPLS) network using Frame Relay and Open Shortest Path First (OSPF).
Confidential, Iselin NJ
Network Engineer
Responsibilities:
- Working with MPLS Designs from the PE to CE.
- Experience with designing and deployment of MPLS Traffic Engineering
- Involved in design and implementation of Data Center Migration, worked on implementation strategies for the expansion of the MPLS VPN networks
- Worked on Extensively on Cisco Firewalls, Cisco PIX (506E/515E/525/) & ASA 5500(5510/5540) Series.
- Primary responsibility is to design and deploy various network security & High Availability products like Juniper other security products
- Worked extensively in Configuring, Monitoring and Troubleshooting Juniper security appliance, Failover DMZ zoning & configuring VLANs/routing/NATing with the firewalls per design
- Experience working with JUNOS OS on JuniperRouters and Switches and Juniper firewalls
- Experience working Juniper SRX, J-Series Routers
- Design and deployment of MPLS QOS, MPLS Multicasting per company standards.
- Managing health check of Network devices this is involves upgrading IOS on every quarter after checking the vulnerability of IOS and reviewing the configuration
- Configuring STP for switching loop prevention and VLANs for data and voice along with Configuring port security for users connecting to the switches.
- Worked extensively in Configuring, Monitoring and Troubleshooting Cisco's ASA 5500/PIX security appliance, Failover DMZ zoning & configuring VLANs/routing/NATing with the firewalls as per the design.
- Teach network courses, like cisco device Extensive experience in computer networking knowledge of TCP/IP, DNS and network design
- Experience with communicating with different customers, IT teams in gathering the details for the project
- Maintained a Network with more than 600 Network devices, some 25,000 end hosts, and the other Network devices like DHCP, DNS servers, Firewall servers.
- Preparing weekly reports and follow- up with clients.
- Coordinate with Project Managers, sales and call center (customer service) to deliver best quality of service to the customer.
- Configured ACLs on Cisco 5540ASA firewall for Internet Access requests for servers, Protocol Handling, Object Grouping and NAT, PAT.
- Performing onsite data center support including monitoring electrical power, switch alarms, network alerts and access logs.
- Configuring VLAN, Spanning tree, VSTP, SNMP on EX series switches
- Developing access lists to meet user specifications.
- Supporting core layer, distribution layer and access layer issues.
- Cisco ASA 5505, Pix and ASA 5510.
- Installed Trapeze-MX 2800 wireless controller and light weight access points.
- Involved in L2/L3 Switching Technology Administration including creating and managing VLANs, Port security, Trunking, STP, InterVlan routing, LAN security.
- Installation, Maintenance, Troubleshooting Local and Wide Areas Network (ISDN, Frame relay, NAT, DHCP, TCP/IP).
- Configuring & managing around 500+ Network &Security Devices that includes Cisco Routers & Switches, Nexus Switches, Juniper and Palo Alto Firewalls, F5 BigIP Load balancers, Blue Coat Proxies and Riverbed WAN Optimizers.
- Configuring and managing Checkpoint Integrity and VPN-1 for Security purpose.
- Migrated Checkpoint R65 to R75 and Installed Smart-Reporter which allows us to run reports on Security rules usage etc .
- Maintain and track the status of device supplied to the client.
- Coordinating with JTAC for faulty part replacement and configuring standby device to support customer with minimal downtime.
- Switching related tasks included implementing VLANs, VTP and configuring and maintaining multi VLAN environment and inter-VLAN routing on Fast-Ethernet channel.
Confidential, El Segundo, CA
Sr. Network Engineer
Responsibilities:
- 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, 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.
- IOS upgrade for Cisco routers & switches.
- 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.
- Tracking and Integrated, Integration of requirements & development by working with client and related teams to implement changes.
- Implemented new device of Cisco & Juniper as per policy reviewed by network architect.
- Health check and automated IOS and script updates applied via voyance application.
- Successfully implemented EOL project alias 'End of life equipment' assigned as per IBM guidelines in live environment.
- Worked on a broad range of topics such as routing and switching, planning and implementation, large-scale high-visibility outages, change management coordination, proactive monitoring and maintenance, disaster recovery exercises, and core network repairs
- Trace ports of user via trace route and ping to process change in vlan assignment as requested by user via TMAC process and notify them once done.
- Update changes done in device and notify respective portals of IBM to document changes done.
- Coordinating with various teams as Project Manager, Onsite Manager and client and field technician to implement and drive issues to closure.
- Worked on Cisco Routers, Active /Passive Hubs, Switches, Juniper SRX firewall, VPN Concentrators TCP/IP, NAT and Checkpoint ESX/GSX firewall.
- Ensure reliability, stability and recoverable of specific server environments.
- Normally primary focus involves server hardware associated operating systems and general responsibilities, backup strategies. Install and upgrade operating system software configuration and optimize storage systems.
- Involved in L2/L3 Switching Technology Administration including creating and managing VLANs, Port security, Trunking, STP, InterVlan routing, LAN security.
- Developing and implementing policy to ensure the integrity, protection and availability to authorized persons of department data and hardware, software and other components which are required for processing data.
- Responsible for evaluating impact and performance on the network server
- Managing Layer 2 switches of Cisco, Vlan configuration and assigning ports to specific vlan as per requirement.
- Provided technical support for full setup, debugged the problems of OSPF, switching and HSRP.
- Monitor and tune network to ensure acceptable levels of performance.
- Evaluate applications connectivity requirements
- Configuring various clients like Outlook Express, MS-Outlook 2003 & 2007
Confidential, Waltham, MA
Network Engineer
Responsibilities:
- Manage and Troubleshoot mission-critical Wide area networks Using VSAT links, Radio links, and Cisco Routers & Switch Issues.
- 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.
- 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.
Confidential
Network Engineer
Responsibilities:
- In-depth expertise in the implementation of analysis, optimization, troubleshooting and documentation of LAN/WAN networking systems.
- Design, implementation and operational support of routing/switching protocols in complex environments including BGP, OSPF, EIGRP, Spanning Tree, 802.1q, etc
- Configured and troubleshoot OSPF and EIGRP.
- Planning and configuring the routing protocols such as OSPF, RIP, and Static Routing on the Configuring various BGP attributes such as Local Preference, MED, Extended Communities, Route-Reflector clusters, Route-maps and route policy implementation.
- Deployed the Nexus 7000/5000/2000 architecture into production securing competitive advantage across multiple verticals.
- Configured of OSPF, BGP on Juniper Routers and SRX Firewalls.
- Actively participated Implementation and customization of customer network.
- Soft phones, Mobile phones, Intelligent Network Servers, IP PBXs management, Universal Messaging, Systems, Media Gateway Controllers, Instant Message System Functions
- Implementation and testing of ISDN BRI/PRI circuits.
- Single point of contact for Client networks. I will be the SPOC for maintaining their uptime from addressing new client installations/Client location moves/day to day issues etc.
- Maintained a 3 layer Cisco architecture network with HP Procurve switches in the access layer and 6500 series as core and distribution layers.