Sr. Network Engineer Resume
Beaverton, OR
SUMMARY:
- An industry - leading IT professional with over 8 years of experience in implementation, configuration, deploying, designing, maintenance, escalation support, engineering, administration and troubleshooting of various technologies from medium to large corporate environments including routing, switching, security (firewalls), voice and wireless with the ability to provide sound direction, information, and recommendations regarding network configurations and installations.
- Expertise in installing, configuring, and troubleshooting of Cisco Routers (7600, 7500, 7200, 3800, 3600, 2800, 2600, 1800, 1700, 800)
- Working knowledge of installing, configuring, and maintaining Cisco Switches (2900, 3500, 3700 4900 series, 6500 series)
- Knowledge of Cisco Nexus 7K, 5K, 3K & 2K Switches.
- Expertise in Routing protocols like OSPF, BGP, EIGRP, ISIS and RIP.
- Hands-on in implementing and troubleshooting Switch technologies such as STP, VTP, 802.1q, VLAN and MPLS.
- Extensive knowledge of WAN technologies such as T1, T3, DS3, OC3,OC12, SONET, Fiber and Frame relay, ISDN, ATM, PPP, HDLC
- Expert in Configuration of Virtual Local Area Networks (VLANS) using Cisco routers and multilayer switches and supporting STP, RSTP, PVST, RPVST along with troubleshooting of inter VLAN routing and VLAN trunking using 802.1q.
- Knowledge protocols such as IPSEC tunnels, GRE tunnels, NAT, PAT, ACLs and VPN.
- Good understanding of firewalls like Check Point and CISCO ASA as well as encryption techniques.
- Experience with F5 load balancers - LTM, GTM series like 6400, 6800, 5000 ad 2000 for the corporate applications and their availability; Network management using Syslog, Packet Sniffers, SNMP etc.
- Implemented traffic filters using standard and extended access-lists, distribute-lists and route maps.
- Working knowledge of network monitoring/management tools like Wireshark, TCP Dump, Cisco Prime, Net Flow, PRGT, Solar Winds.
- Extensive knowledge in different networking protocols like FTP, TFTP, Quality of Service (QOS), PAP, CHAP, HTTPS, ICMP, TCP, and UDP.
- Good knowledge of CISCO firewalls, CISCO PIX and ASA 5500 series, Palo Alto Firewalls.
- Hands-on experience with installing and managing IT services such as Active directory, site replication, DNS, SSH, DHCP, NAT.
- Experience in deployment of Nexus 7010, 5548, 2148T, 2248 devices.
- Knowledge of advanced protocols like SIP, Multicasting, MPLS and MPLS-VPN.
- Experience in WAN technologies like T1/T3, OC and DS3 circuit types.
- Good knowledge of OSI Model and TCP/IP networking standards with protocols such as SNMP, FTP, ICMP and IPv6.
- Experience with Load Balancers for administrating and monitoring global & local traffic.
- Ability to manage all phases of network installation and administration.
- Experience working with CRS, ISR, GSR, ASR9000, Cisco Nexus 2148 Fabric Extender and Nexus 5000 series to provide a Flexible Access Solution for a datacenter access architecture
- Strong technical knowledge with ability to lead and motivate teams to ensure success with an excellent track record for diagnosing complex problems and consistently delivering effective solutions.
- Strong problem solving skills, extremely organized, detailed and deadline oriented.
- Ability to adapt to dynamic priorities, business requirements and to lead teams/project.
- Support and promote an organizational culture that encourages high performance, dedication, high morale, integrity and collaboration.
TECHNICAL SKILLS:
Cisco Routers/Switches: Cisco Routers (3900, 2900, 1900, 800 Series), Cisco Catalyst Switch (6500, 5500, 4900, 4500, 3750, 3560-X, 3100), Cisco Nexus 1kv, 2k, 5k, & 7K Series.
Connectivity & Hardware: BGP, EIGRP, MPLS, VPLS, VTP, HSRP, NAT, PAT, RIP, RIPv2, OSPF, OSPFv6, OSPF Virtual links, ARP, TCP, UDP, WAN, LAN, VLAN, VLAN Trunking, VXLANs, TCP/IP, Cisco IOS, Cisco ASA 5500, Spanning Tree, BPDU, CDP, ACL, Static Routing, Stub Routing, multicast routing, SVI, CEF, Etherchannel, Portfast, VSS, vPC, ISIS, Ethernet, Fast Ethernet, RAID systems, Frame-relay, VTP, SNMP, SNMPv3, ARP, Multi-Area OSPF, NBMA, Sonet, STP, BPDU, GLBP, Blade/Web Servers
Network Management Tools: Wireshark, Netflow Analyzer, NetScout, IBM Netcool, LogLogic, Infoblox, HP NNM, BMC Network Automation
Operating Systems: Microsoft Windows operating systems (Windows 98 to Windows 8), Microsoft Windows Server operating systems (Windows 2003 to Windows 2012), Solaris 11, Red Hat 6, Cent OS, Ubuntu, Fedora, other UNIX/LINUX platforms Linux Administration User & Group administration, Disk Quota, Access Control list, RAID backup and restore, NFS, FTP, SAMBA server, DNS, WEB server, Mail Server
Tools: Microsoft Office System (including Microsoft Word, Microsoft Excel, Microsoft PowerPoint, and Microsoft Outlook), QDC WiFi, Radius, WDC WiFi Radius, QDC RAP, Cisco WAAS Admin, larmpoint, Wireshark, Eclipse, Solaris Volume Manager, Veritas Volume Manager, Veritas cluster, Apache Web Server, Samba
Network Protocols: HTTP, TCP/IP, SOAP, SIP
PROFESSIONAL EXPERIENCE:
Confidential, Beaverton, OR
Sr. Network Engineer
Responsibilities:
- Involved in configuring and implementing of composite Network models consists of Cisco 7600, 7200, 3800 series routers and Cisco 2950, 3500, 5000, 6500 Series switches.
- Involved in Switching Technology Administration including creating and managing VLANS's, Port security, Trunking, STP, Inter-VLAN routing, LAN security etc. Deploying Layer 2 security in Server Farms by configuring switch for 802.1x port based authentication.
- Day-to-day work involves scheduling firewall policy provisioning and working with users to identify connectivity related issues and troubleshoot using both Smart Utilities and CLI.
- Worked on Managing and administering Palo Alto and Checkpoint Firewalls at various zones including DMZ, Extranet (Various Business Partners), ASZ and internal.
- Involved in Troubleshooting Firewall Connectivity related issues using Smart view tracker on Checkpoint.
- Configured and Administered Cisco ASA Firewalls (5585, 5550, and 5540) and used command-line interface (CLI), Cisco CSM, and ASDM for day-to-day administration.
- Configured High Availability using Cluster XL on Checkpoint as well as VRRP and monitored the Sync status for stateful replication of traffic between active and standby member.
- Configured rules and maintained Palo Alto firewalls and analyzed firewall logs using various tools.
- Understood the flow of traffic through the Check Point Security gateway cluster and resolved connectivity issues using advanced troubleshooting from Command Line Utilities.
- Used Tools such as SKYBOX for Firewall Policy optimization and rule base Clean up.
- Migrated Cisco catalyst switches into Nexus switches.
- Configured Nexus 2000 Fabric Extender (FEX) which acts as a remote line card (module) for the Nexus 5000 to connect servers and storage devices
- Applied different types of NAT on Cisco ASA firewalls.
- Firewall policy provisioned on Fortinet, FortiGate appliances using FortiManager.
- Supported Blue Coat Proxy in explicit mode for users trying to access Internet from Corp Network.
- Worked on Administration of F5 Big-IP LTM for all Local Load balancing and used GTM for load balancing across Data Centers.
- Supported Data Center Migration Project involving re-locations.
- Configured IPsec VPN tunnels, site-to-site and remote VPN's
- Configured BPDU Guard, port-fast, uplink fast and other spanning tree features.
- Provided redundancy to the network by implementing hot standby routing protocol (HSRP) and Load sharing for effective utilization of routers.
- Monitored links using Solar Winds.
- Coordinated with LAN/WAN engineers the development and implements security policy.
- Installed patches and packages on Linux/Unix Environment
Environment: STP, RSTP, Cisco IOS-XR, ASA, VTP, VOIP, DMZ, HSRP, Palo Alto, check point, Port-Channel, BGP, OSPF, EIGRP, PPP, HDLC, iSCSI, SNMP, DNS, DHCP, solar winds.
Confidential, Minneapolis, MNNetwork Engineer
Responsibilities:
- Used PRPC's List View and Summary View reporting functionality to enhance business agility, measure business value and streamline processes
- Configured HSRP between the 3845 router pairs for Gateway redundancy for the client desktops.
- Upgraded Cisco Routers, Switches and Firewall (PIX) IOS using TFTP
- Designed and implemented Cisco VoIP infrastructure for a large enterprise and multi-unit office environment. Met aggressive schedule to ensure a Multi-office reconfiguration project which was successfully delivered
- Responsible for service request tickets generated by the helpdesk in all phases such as troubleshooting, maintenance, upgrades, patches and fixes with all around technical support
- Supported EIGRP and BGP based PwC network by resolving level 2 &3 problems of internal teams & external customers of all locations.
- Configured Big-IP F5 LTMs (virtual servers, pools, SNATs, health monitors, irules) for managing the traffic and tuning the load on the network servers.
- Updated the HP open view map to reflect and changes made to any existing node/object.
- Handled SRST and implemented and configured the Gateways, Voice Gateways.
- Configured STP for switching loop prevention and VLANs for data and voice along with port security configuration for users connecting to the switches.
- Ensured Network, system and data availability and integrity through preventive maintenance and upgrade.
- Implemented and Configured ( Profile I Rules) of F5 Big-IP C2400 load balancers
- Involved in L2/L3 Switching Technology Administration including creating and managing VLANs, Port security, Trunking, STP, Inter-Vlan routing, LAN security.
- Worked on the security levels with RADIUS, TACACS+.
- Completed service requests (i.e. -- IP readdressing, bandwidth upgrades, IOS/platform upgrades, etc.)
- Modified internal infrastructure by adding switches to support server farms and added servers to existing DMZ environments to support new and existing application platforms.
- Performed load balancing and application level redundancy by deploying F5 BIG-IP LTM 3900.
- Configured switches with port security 802.1x for enhancing customers security.
- Monitored network for optimum traffic distribution and load balancing using Solar winds.
- Validated existing infrastructure and recommended new network designs.
- Created scripts to monitor CPU/Memory on various low end routers in the network.
- Installed and maintained local printer as well as network printers.
- Handled installation of Windows NT Server and Windows NT Workstations.
- Handled Tech Support as it relates to LAN & WAN systems
Environment: Net Flow,TACACS,EIGRP,RIP,OSPF,BGP,VPN,MPLS,CSM,SUP720, Ether Channels, Cisco 7200/3845/3600/2800 routers, Fluke and Sniffer, Cisco 6509/ 3750/3550/3500/2950 switches, Checkpoint firewalls(SPLAT).
Confidential, Richmond, VANetwork Security Administrator
Responsibilities:
- Firewall Policy Provisioning and troubleshooting connectivity issues through firewall.
- Worked on Check Point Security Gateways and Cisco ASA Firewall.
- Worked on Firewall Clustering and HA Services using Cluster XL on Check Point.
- Worked on Configuring and tweaking Core XL and Secure XL acceleration on Check Point gateways.
- Involved in troubleshooting User connectivity issues on Checkpoint and Cisco ASA using CLI utilities.
- Packet capture on firewalls and analyzing the traffic using Wire shark utilities.
- Involved in Cluster issues on Check Point and Sync issues monitoring and fix.
- Upgraded Checkpoint Gateways in Cluster with Minimal downtime.
- Implemented Active/ Standby HA configuration on Cisco ASA Firewalls.
- Configured Cisco ASA firewalls in Single and Multiple Context Mode firewalls.
- Upgraded Cisco ASA Firewall in Active/Standby mode with no down time.
- Configured VPN both B2B and remote access SSL and centralized policy administration using FortiManager, used Fortigate Clustering Protocol (FGCP).
- Supported as LAN/WAN level 3 (diagnose and troubleshoot layer 1, 2, 3 problems)
- Worked on VLAN design and implementation, Spanning Tree Implementation and support using PVST, R-PVST and MSTP to avoid loops in the network. Trunking and port channels creation.
- Worked with OSPF as internal and BGP as exterior gateway routing protocol.
- Configured static NAT, dynamic NAT, inside Global Address Overloading, TCP overload distribution, Overlapping Address Translation on Cisco ASA Firewalls.
- Worked on Physical cabling, IP addressing, Wide Area Network configurations (Frame-relay).
- Troubleshooting and installing of CRS, ISR, GSR, ASR9000 and Nexus devices.
- Deployed a Syslog server to allow proactive network monitoring.
- Implemented VLANS between different departments and connected them using trunk by keeping one Vlan under server mode and rest falling under client modes.
- Configured Firewall logging, DMZs and related security policies and monitoring.
- Worked on switching related tasks included implementing VLANS and configuring ISL trunk on Fast-Ethernet channel between switches.
- Involved in documentation and Project Management along with drawing network diagrams using MSVISIO.
Environment: ISCO routers and switches, Access Control Server, VLAN, Trunk Protocols, CISCO ASA, DHCP, DNS, Spanning tree, Nimsoft.
Confidential, Secaucus, NJNetwork Engineer
Responsibilities:
- Configured OSPF on CISCO devices with multiple routing processes and redistributed them. Tested and hands on experience in multi area OSPF topologies.
- Worked on 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 consulted with on call tech as needed for client.
- Involved in Monitoring, troubleshoot, test and resolve Frame Relay, ATM, MLPPP, PPP, and Dial-up.
- Configured/Troubleshoot issues with the following types of routers Cisco (7200, 6500, 4500, 1700, 2600 and 3500 series), to include: bridging, switching, routing, Ethernet, NAT, and DHCP, as well as assisting with customer LAN /MAN.
- Actively participated in upgrading fast Ethernet, Layer 3 switched/routed LAN infrastructure from Cisco 3640 to Cisco 2811 ISR routers and switches at access level to 2950, 3550.
- Installed and configured various types of Personal Computers and Printers. Installation of different operating systems on Intel based PC's.
- Configured VLAN's, VTP's, enabling trunks between switches.
- Assisted in network engineering efforts consistent with the infrastructure of an Internet Service Provider and support of such network services. Helped in designing and implementation of VLAN for the new users.
- Implemented and supported the LAN / WAN hardware, software and Internet /Intranet integration network connectivity, diagnosed network failures and resolved problems.
- Worked on Troubleshoot Frame Relay; T1, T3, IP and OSPF related router and circuit issues.
- Documented and logged analyzing the Cisco PIX series firewall.
Environment: Cisco 2990/3550/6550 switches, Cisco 7200/3845/3600/2800 routers, EIGRP, RIP, OSPF, BGP, VPN, Ether Channels, Sniffer, Data center
ConfidentialNetwork Engineer
Responsibilities:
- Provided high level technical support, including identifying and resolving problems on Cisco supported products for e-Commerce infrastructure. This included external routing and internal/intranet routing for DMZ servers.
- Implemented cable multi-service operator (MSO) to capture traditional Telco subscribers with IP telephony and provide relevant QOS.
- Configured EIGRP, BGP, and MPLS.
- Configure Firewall, QOS by SDM and provide security by Prefix list, Access- List and By Distribution List.
- Moved Core switches and several non-Cisco devices under strict deadlines to maintain network functionality
- Configured Access layer switches.
- Implemented new ultra-secure networks in multiple data centers that included Cisco, Juniper security devices.
- Designed VLAN's and set up both L2 and L3 logical to have it communicate to the Enterprise network.
- Scheduled preventive maintenance for fire-protection systems, including new protocols. Utilize MS Windows, Word, and Excel for reporting/documenting process.
- Satisfactorily Resolved Problems in timely manner with focus on providing a high level of support for all customers.
Environment: Cisco 2990/3550/6550 switches, Cisco 7200/3845/3600/2800 routers, EIGRP, RIP, OSPF, BGP, VPN, Ether Channels, Sniffer, Data center