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Sr. Network Engineer Resume

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Mountain View, CA

SUMMARY

  • Network Engineer with 7 years of experience in the industry, which includes expertise in the areas of Routing and Switching.
  • Expert level knowledge of troubleshooting, implementing, optimizing and testing of static and dynamic routing protocols such as EIGRP, OSPF, BGP ability to interpret and resolve complex route table problems.
  • Implementation traffic filters on Cisco routes using Standard and extended Access list.
  • Expert Level Knowledge about TCP/IP and OSI models.
  • In - depth expertise in the analysis, implementation, troubleshooting & documentation of LAN/WAN architecture and good experience on IP services.
  • In-depth knowledge and hands-on experience on IP Addressing, Sub netting, VLSM and ARP, reverse & proxy ARP, Ping Concepts.
  • Knowledge of implementing and troubleshooting complex layer 2 technologies such as VLAN Trunks, STP, and RSTP.
  • Experience in configuring HSRP and redistribution between routing protocols & troubleshooting them.
  • Technical Knowledge on Cisco ASA 5500 series Routers and Cisco Call Manager.
  • Knowledge on Cisco Nexus 5k and 7k Switches.
  • Strong knowledge of server architecture and cloud computing
  • Checkpoint Firewall experience
  • Experience with bluecoat proxies.
  • Knowledgeon Protocol Analysis Tools (Sniffer, Wireshark, Netscout) concepts and usage
  • Implementation of HSRP, VRRP and GLBP for Default Gateway Redundancy.
  • Hands on experience with F5 Load balancer and DNS.
  • Experience on Juniper JUNOS platform including SRX Firewalls, Network & Security Manager (NSM), Juniper Space and, STRM, Juniper UAC, Juniper Pulse.
  • Excellent communication skills to interact with team members and support personnel and also can act as a mentor to less experienced personnel.
  • Technical understanding of wireless standards.
  • Knowledge on SDN and NFV
  • Provides Tier 3 troubleshooting and resolution.
  • Test cables and infrastructure installations, using testing apparatus.
  • Implemented traffic filters using Standard and Extended access-lists, Distribute-Lists, Prefix-List and Route Maps.
  • Implementation of DHCP, DNS, FTP, TFTP.
  • Knowledge of Virtualization and VMWare ESX 4.x and 5.0

TECHNICAL SKILLS

Routers: (1800, 2500, 2600, 2800, 3600, 3800, 4600, 6300).

Cisco Switches: (2900, 3500, 4000, 4500, 5000, 6500, Nexus 5k&7k).

Routing Protocol: (BGP, OSPF, EIGRP, RIP), Routed Protocol TCP/IP.

Operating Systems: Cisco IOS, Cat-OS, Nexus-OS

Management tools: SNMP, Syslog, Sniffer, and Wire shark, HP Service Center 6.8, Solarwinds

LAN Technology: VLAN, VTP, Inter-vlan routing, ISL, dot1q, STP, RSTP, PVST, HSRP, GLBP

WAN Technology: Frame Relay, X.25, E1/T1/DS1/DS3, PPP,MPLS

Network Security Knowledge of: Cisco ASA, VPN, IPSec

Firewalls: Checkpoint NGX (R65-R75), Cisco PIX 515E,Cisco PIX 535 Firewall, Cisco ASA 5510,Cisco ASA 5520,Cisco ASA 5540,Cisco ASA 5550, Cisco ASA, Cisco FWSM, Check Point NGX R52, R54, R61, R62, R65, R 75,Nokia IP690, Nokia IP530, Checkpoint provider 1, Checkpoint Firewall 1, SPLAT.

Testers/Emulators: IxiaIxNetwork/IxLoad; Spirent TC

Documentation: Microsoft Office, Visio, NetViz, NetBrains, Blue Diamond IPAM

PROFESSIONAL EXPERIENCE

Confidential, Mountain View, CA

Sr. Network Engineer

Responsibilities:

  • Providing daily level 2/3 support to the enterprise network infrastructure which includes 2 data centers and 50 remote offices
  • Excellent understanding of Juniper EX Series switches/SRX Firewalls (Cluster) including deployment and troubleshooting
  • Excellent understanding of Cisco Routers (7K)/Switches/ASA devices
  • Managing data center firewalls that includes creating security policies, NAT rules when deploying new applications
  • Worked on F5 Load balancer on both modules: LTM and GTM
  • Worked on A10 load balancers
  • NAT and PAT configuration
  • Create S2S VPN with our own offices and various clients using Juniper SRX firewalls or Cisco ASA
  • Deployed Cisco AnyConnect SSL VPN for remote user community that includes about 3000+ remote users
  • Deployed Palo Alto Firewalls for web filtering and application control
  • Performed network re-architecture by replacing dual MPLS design with single MPLS/DIA circuits
  • Used various monitoring tools such as Cacti, Nagios, and Solarwinds.
  • Worked in managing checkpointgateways and had experience on checkpoint firewalls.
  • Ensure through network documentation, including plug plans, diagrams, presentation
  • Participated in local office switch refresh project by replacing old Cisco equipment with Juniper which included travel to various US offices
  • Resolves the issue or escalates to the appropriate Tier 3 technical resource.
  • Participated in local office moves by either moving or installing new network equipment which provides access to 500+ users
  • Had experience working on Bluecoat proxies for about year and half.
  • Provide hands on support for various network equipment (Juniper, Cisco, HP, and Riverbeds) at the Enterprise Data Centers
  • Worked on Latest Open Source Cloud Technologies - Big Data (Spark, Hadoop), Cassandra, Mesos, Kubernetes, Kafka NoSql, Docker, etc.
  • Performed vendor management with telco providers to insure proper service/billing and support
  • Worked with data center team to maintain secure access, proper cooling and cleaning of the facility
  • Good understanding of WAN optimization technologies like Riverbed and WLAN environment which includes Aerohive
  • Tested QOS infrastructure to provide proper priority and queuing based on traffic type using Ixia and Spirent test sets.
  • Provide on call and after hour support and participate on the change advisory board
  • Assisted with development of the junior members on the team by providing them with training and mentorship
  • Helped develop L1 Service Staff that partaking in Network SME program to build their network skills and enter the networking engineer filed
  • Activating/Troubleshooting/Disconnecting internet service on c9 networks, CNR, UBR, Routers and Cisco switches; used tools such as MRTG, NAGIOS, Solarwinds, telnet etc.

Confidential, Milwaukee, WI

Network Administrator

Responsibilities:

  • Experience in Network Security, Juniper Firewalls, SSL VPN, Checkpoint, RSA, Cisco Nexus, Cisco ACE, Cisco Wireless.
  • Strong knowledge in Juniper JUNOS platform including SRX Firewalls, Network & Security Manager (NSM), Juniper Space and, STRM, Juniper UAC, Juniper Pulse
  • Worked on virtualization - VMs, Cloud, NFV
  • Experience designing, implementation and troubleshooting of Juniper platform.
  • Strong knowledge in Checkpoint Platform including Provider Smart Domain Manager with experience in design, implementation and managing Checkpoint Gateways.
  • Strong knowledge and understanding with IPsec, Juniper SA Remote Access VPN, and SourceFire intrusion prevention systems
  • Familiarity with automation tools (Ansible, Tail-F, etc.)
  • Customizing Tail-f’s software products and technology
  • Worked on Software Defined Networking (OpenStack Nuetron, VMWare NSX, etc)
  • Strong knowledge in configuration and troubleshooting Juniper SA SSL VPN in a dual-factor integration environment.
  • Experienced with RSA Authentication Manager and Risk based authentication platform. Ability to troubleshoot and management of RSA infrastructure
  • Experienced with Juniper Steel Belted RADIUS, with ability to implement and troubleshoot.
  • Experience presenting and supporting Customers on the Product architectures SDN, NFV, SDDC and Open Source projects like OpenStack, Open VSwitch, OpenDaylight
  • Experience with Cisco Load Balancers and ACE modules
  • Familiarity with Juniper SRX, Cisco ASA or F5 AFM firewalls is a plus as is any experience with OpenStack or Python.
  • Expertise in Routing & Switching technologies to provide advanced troubleshooting and escalation support with Cisco Nexus 7K/ 5K Products
  • Experience in working with large enterprise Network environment with Active / Active Data Centers
  • Ability to lead large and complex projects
  • Familiarity with management tools such as CiscoWorks, Concord eHealth, HP NNM and Gigamon
  • Good documentation skills and ability to conduct Proof of Concept testing and ability to create complex test plans based on project needs
  • Worked with project teams and provide high/low level recommendation.
  • Experience with analyzing traffic and utilizing packet sniffer utilities (i.e. Wireshark, Netscout)
  • Ability to deliver projects independently
  • Ability to present to stakeholders and technical teams on projects recommendations and approach.

Confidential

Network Engineer

Responsibilities:

  • Assisted in troubleshooting LAN connectivity and hardware issues in the network of 100 hosts.
  • Studied and analyzed client requirements to provide solutions for network design, configuration, administration, and security.
  • Involved in troubleshooting IP addressing issues and Updating IOS images using TFTP.
  • Maintained redundancy on Cisco 2600, 2800 and 3600 Router with HSRP.
  • Created a backup and recovery policy for software application and verified peripherals are working properly.
  • Monitor performance of network and servers to identify potential problems and bottleneck and configured ios.
  • Performed RIP & OSPF routing protocol administration.
  • Interacted with support services to reduce the downtime on leased lines.
  • Troubleshoot problems on a day to day basis & provide solutions that would fix the problems within their Network.
  • Monitor the operability and reliability of the network.
  • Maintenance and Troubleshooting of connectivity problems using Ping, Trace route.
  • Managed the IP address space using subnets and variable length subnet masks (VLSM).
  • As a Team member also worked with F5 load balancer and SONET technology.
  • Responsible to help team for troubleshoot, configure and resolve the issues regarding F5.
  • Support design and planning of Juniper MX, EX and TX Series network routing products within the Customer infrastructure.
  • Support ongoing efforts in defining best practice policies for Juniper product applications used by Customer.
  • Proactively perform corrective maintenance for IP/MPLS network.
  • Review and evaluate all ITC technical documents related to IP/MPLS network.
  • Helped team to build up SONET Networks.
  • LAN cabling in compliance with CAT5 standards.
  • Worked along with the team in ticketing issues.
  • Daily responsibilities included monitoring remote site using network management tools, assisted in design guidance for infrastructure upgrade & help LAN administrator with backbone connection and connectivity issue Other responsibilities included documentation and support other teams.

Confidential

Network Engineer

Responsibilities:

  • Responsible for the configuration, implementation and operation of Cisco 3745 routers Cisco 6509 and 3560 L2/L3 switches.
  • Removed Cisco 3600 and 2600 series routers and Cisco 2900 series switches from the current infrastructure and replaced them with the Cisco 6509 or 3560 L2/L3 switches.
  • Configured RSTP, MST and used VTP with 802.1q trunk encapsulation. Provided port binding and port security wherever required. Provided router redundancy through HSRP.
  • Configured ether channels using PAGP and LACP.
  • Designed ACLs, VLANs, troubleshooting IP addressing issues and taking back up of the configurations on switches and routers.
  • Provided testing for network connectivity before and after install/upgrade.
  • Switching related tasks included implementing VLANS and configuring ISL trunk on Fast-Ethernet and Gigabit Ethernet channel between switches.
  • Experience in Cisco switches and routers: Physical cabling, IP addressing, Wide Area Network configurations (Frame-relay and ATM).
  • Performed troubleshooting, while maintaining trouble ticket tracking, following internal/external.
  • Escalation procedures and customer notifications.
  • Design service for /upgrade/configure ALU’s IP/MPLS products e.g. 7705 SAS, 7210 etc.
  • Configured Cisco Routers for OSPF, IGRP, RIPv2, EIGRP, Static and default route.
  • Worked on HSRP and GLBP for first hop redundancy and load balancing.
  • Prepare, update, and maintain technical and logistical network documentation.
  • Member of Network Test team and responsible for routine Network test.
  • Responsible for resolve any issue in routine Network test and need to escalate higher technical team, if there is any major issue.
  • Worked on comprehensive test strategy and test plan based on the features to be tested, with focus on customer deployment and use-case scenarios.
  • Worked with cross-functional teams throughout the project life cycle.

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