Engineer Iii - Network (global Infrastructure Services) Resume
San Jose, CA
OBJECTIVE:
- To apply my 8+ years of network/telecom architecture and engineering experience toward managing projects in LAN/WAN/RAN networks that will improve operational proficiency and optimize total costs of ownership. In addition, I am eager to contribute my creativity and hard work towards the success of our company/organization and to the growth of the fast developing Computer Networks.
TECHNICAL SKILLS:
Routers: CiscoASR1000,ISR2900,2800,2600,2900,2500,1800,3600,3900, 7200vxr, CETERUS 8212/1530, 3Com NETBuilder Super Stack II ESPL 341
Switches: Cisco 3500, 2900, 3700, 3400, HP Procurve 5406, 2915, H3C s5120, 5500. Ciena 311v, 3300/5305, Foundry 2402/2048, NEXUS 2248
Core switches: sco 6500, 4500, HP H3C 7510E, NEXUS 7k/6k/5k, 4500X
Load balancers: Cisco CSS 11500, Kemp LM - 2200, F5 BIG IP LTM 1600
Security: Cisco ASA 5510/5505/5585- X/5520/5545-X, Juniper SSG- 550/20/50/140/5 GT, PIX 515-E, IPS/IDS 4240, Barracuda 610 Web filter, Checkpoint IAS-R/M, 12000 series
VoIP systems: Cisco Unified Call Manager 6.2-10.5, VG-224/204, Avaya G450, IP office 500, Aura Communications manager (CM), Cisco IP Cisco CUBE SP, Cisco VOSS.IEEE 802.1x, 802.16a/d/e WiMAX OFDMA based MIMO systems
Mirecowaves/RF WiMAX: HAUWEI DBS3900, Motorola WAP 400, Samsung U-RAS, Dragonwave Horizon Duo and compact, Ceregon, Bridgewave, Motorola PTP 58600Ethernet (10/100/1000), OC-48, OC-12, OC-3 Packet over SONET, DS3, T-1.
Switching: LAN tunneling, Trunking, Frame relay, VLANs, VTP, STP, MSTP, RSTP, PVST+, GVRP, GLBP, Layer 3 Switching, PBT(provider backbone tunneling)
Routing Protocols: eBGP/iBGP, OSPF, OSPFv6, EIGRP, RIP/RIPv2, GRE, NLSP), PBR, VRRP, PIM- Multicast, MPLS VRF, Route Redistribution and Route Maps.
Network Analysis/Monitoring Tools: IBM NETCOOL, Element Management system (EMS), Ethernet Services Manager (ESM), Cisco Works, HP Network Node Manager IPS, Orion Solarwinds NPM/NTA, Cisco ASDM 6.3, Firescope Unify, Zenoss, Cisco CUSM/CUOM 8.6/HCM 2.0/VOSS, Cacti/MRTG tool, InfoVistaImplementation of HSRP, GLBP,VSS, NAT, NTP, SNMP, BGP, OSPF, EIGRP, MRTG
Servers: MS server 2000/03/08, Active Directory, terminal servers, RAID, RADIUS, TACACS, RedHat Linux, NFS/NIS, Supermicro, Proliant 1650 G5, IBM x3950, Vcenter 5.0
Platforms: Unix Solaris/AIX/BSD, Linux Fedora/RHEL/Ubuntu/CentOS/OpenFiler, VMware ESXi 4.2, MS-DOS, Windows 95/98/2000/NT/XP/Vista/7, MAC OS 10.x
PROFESSIONAL EXPERIENCE:
Engineer III - Network (Global Infrastructure Services)
Confidential, San Jose, CA
Responsibilities:
- Tier-III network engineering role in cisco IT Global Infrastructure Services Network operations and Delivery layer-3 team focused in partners’ network/ExtraNET, security, routing, traffic shaping, and network design and implementation projects.
- Worked on AWT Americas Wan Transformation project in network design of 6 ASR1006s, Wan Aggregation gateways and Global back-bone gateways. Staged, configured and implemented design for WAN migration of Cisco’s CAPNET.
- Implemented ACLs on various ISP gateways, handled cases for access between servers’ hosted in multiple data centers globally.
- Implementation engineer for site-to-site ASA VPN set-up with various Cisco global partners; developed ACLs, transform sets and other VPN parameters.
- Reviewed Tier I/II network designs and deployments for cisco’s FLEET maintenance, guided engineers to optimize network design in layer-3.
- Led lab project of bandwidth upgrade from 1 to 2G port-channel configurations with QoS, developed network design for Nexus N5k VPCs configurations for 200+hosted servers.
- Troubleshoot/maintain cisco EIGRP issues, ipv4/ipv6 neighbor issues, BGP traffic shaping issues and have attended cross- on various layer-3 protocols seminars.
- Deployed CCI (Customer Cloud Interconnect) in for secure NAT communication between Cisco’s storage partner Nimbus and internal IT network + DMZ network.
Sr Network Engineer
Confidential, Santa Fe Springs, CA
Responsibilities:
- Senior engineering duties in In-depth network design, network architecture across various based clientele in California directly working leading reseller of Confidential, HP, Meraki, VMware.
- Undertaken tasks of providing mentorship and leadership to junior technicians in helping learn Wireless, network security, routing and switching.
- In-depth experience in redesigning existing client network by introducing logical and physical core network element up-gradation focused in areas of core switching, routing, QoS, security and wireless.
- Undertaken numerous overnight data center migration as a networking system SME on site; end-to-end connectivity checks as well as cut-over support next day.
- Led the core network migration of various sites across the WAN verifying EIGRP, Cisco VoIP QoS, VTP domains, VLANs propagation, end connectivity.
- Led the project on IaaS private cloud solution with complex network architectural solution in tiered infrastructure design consisting of VMs/IPSec/iSCSI storage.
- Developed several project plans based on scope of designed network architecture, migration at minimal outage and simulated virtual/physical lab test results.
- Performed Cisco ASA 5585-X failover tests, migrated security policies over from other vendor firewalls, introduced web filter, IPS/IDS policies in existing network
- Network security re-design project amongst 3 ASAs 5585-X firewalls configured in HA pair, routing of 2 along with DR site ASA with live configuration updates.
- Senior role in WAN network migration with telecom circuit terminations in DWDM, MPLS and SONET. Coordinated and tested the migration plans.
- Re-designed core network update to Cisco 6807 Chasis switch, Nexus 5548 and Cisco 7500 wireless controllers with Cisco 4500X in distribution layer. Part of the team in re-writing the logical IP flow and verifying all tests upon migration.
- Various On-site consultation on high-level of network design, prepare implementation plan, lead on-site deployment providing mentoring and supervision to junior engineers.
Network Infrastructure Engineer
Confidential, El Segundo, CA
Responsibilities:
- Confidential campus network infrastructure rebuild project; network design integration of legacy layer 2 network to redesigned layer 3 network; support 3000+ users’ campus-wide including 600+ Cisco wireless Access points; Cisco 6500 access/distribution switches and ASR 1001 edge routers.
- Migration of distribution layer route-map policies, VLANs, trunks, QoS and access-lists, OSPF route summarization from legacy catalyst 6509E to Nexus 6001+Nexus 2248 FEX integration.
- Managed Cisco wireless access points via WLC 5508 + Cisco Prime; configured and installed wireless access points; surveyed the sites for radio connectivity and generated heat maps.
- Worked on network design of external internet access only ‘Out-of-Bend’ network using 3750x, ASA5585 firewalls (Active+Standby), ASR 1001 routers with HSRP redundancy, iBGP route redistribution and eBGP peering to multihomed ISP. Distribution policies migration from cisco 7204vxr to3750x layer 3 switching. Coordinated move and migration of circuits during off-hours.
- Hands-on troubleshooting on ASA TCP/IP ports, access-lists, terminal server connectivity, BGP path to multi-homed ISP, OSPF route redistribution across the network, turnover from legacy network miscellaneous issues.
- Maintain Data Center inventory for building power HVAC requirement, test/design SM/MM fiber run layout, documentation on network implementation roll-outs, campus-wide logical and physical network diagrams.
Sr Network Engineer
Confidential, Buena Park, CA
Responsibilities:
- Senior engineer role in managed services provider responsible for nationwide major automotive/financial/medi-care clients, network implementation, deployment, network design, architecture and policies in the fast-paced environment of 300+ network elements multi-tiered, multi-homed within various DC-COLOs.
- Network architecture, re-design and migration project of major automotive firms’ national back-bone network. Lead role in network discovery of existing network, recommendations for improvements on routing/QoS /VLAN/Core switching/security/VoIP policies.
- Leadership/sole ownership on
- Project of corporate firewall migration involving IPsec point-to-point and SSL based VPN tunnel deployment, NAT and routing for intra-net plus extranet.
- Project upgrade MPLS WAN migration from Juniper on T1s/SONET to Cisco metro Ethernet. Tested Routing, Latency and response resiliency of application Bloomberg.
- Implement Barracuda web filter in-line for PoC and design implementation in cisco best practice network architecture for nationwide client’s core network.
- Multiple projects of cisco catalyst switches, edge routers and firewalls replacement with newer model upon maintenance run out or network design changes.
- Undertaken project in MPLS environment to implement QoS policy using DSCP type of ToS on edge device to provider’s edge; set traffic prioritization on for critical applications,
- Firewall infrastructure migration project from core Juniper SSG to Cisco ASA containing core security policies, nationwide users, IBM mainframe policies and NAT/MIP translations.
- Various Layer 3 routing Equipment migration project; MPLS core router migration, GRE-VoIP router consolidation from 3 routers to 2 migrating routing and NAT, IBM Mainframe link router migrated from 3com to Cisco ISR split network in Production, Test and VM env.
- Web/SQL/ESXi server farm environment deployment/migration project, led projects from Core switch/firewall NAT, security policies, load-Balanced server for sticky-session/round-robin types of load-balancing. Managed load balancer configurations and back-ups.
- Circuit maintenance/upgrade task on T1 bandwidth on point-to-point/MPLS type WAN back-bone networks, undertaken circuit migration projects for multi-homed clients.
- Firewall administration tasks involving web filtering, rule/policy based access control within multi-tiered environment, HA active passive deployments on PIX/ASA/SSG series firewalls, built site-to-site/remote host VPN tunnels and troubleshot VPN issues in P1&P2.
- Undertaken Orion Solarwinds monitoring project implementation for network consisting 250+ elements with SNMPv1, Cisco IP flow protocols, reports, alerts and licensing.
- Administration of entire infrastructure equipment maintenance contracts, renewals, quotations, Technical Recommendations, upgrades and customer relations and planning.
- Inter/Intra real-time routing troubleshooting for BGP routes tables, route maps, route metrics and BGP attributes tuning in multi-homed dual ISP meshed MPLS environment.
- Implemented multi-clustered VMware/SQL/Exchange/Citrix/web server farms for security policies, IP assignment, routing and VLAN management with Proof of Concepts and tests.
- Network monitoring/alerting on Cacti/Uptime/Whatsup gold, Developed & designed physical/logical network diagrams for client networks and managed Change control and client portals. Provided daily activity reports, network documentation to clients per requests.
NOC Network Engineer Tier II
Confidential, Gardena, CA
Responsibilities:
- Undertaken Network Operations build core deployments from null to complete production environment including 500+ Configuration Items/instances within the monitoring architecture consisting of 2+2 HA servers, Disaster Recovery model, 4 COLO data center s, 7+ tiered monitoring applications/tools alerting/sending traps with given thresholds
- Participated in data center Architectural build for NETAPP/EMC SAN, VMware/cloud infrastructure, Cisco Hosted VoIP Solutions including NEXUS 7210 as Core switches, Cisco 2921/ASR1002 routers, ASA 5585 racking, stacking, mounting and PDU management
- Deployed monitoring infrastructure for Cloud Computing network for Hosted Virtual User Desktops HVDs, ESXi hosts, Vcenter server and NetApp storage servers. Participated in Network migration of the SaaS/AaaS/Strorage and vCenter and ESXi hosts. Lead on the project for Cacti Monitoring using SNMPv1 for network bandwidths/graphs/end solutions
- Configured HA redundancy with HSRP with BGP in WAN within monitoring cloud as well as Hosted Collaboration VoIP monitoring environment build on various server platforms, fail-over tests in production deploying physical and virtual appliances and last-mile devices
- Deployed cisco voice gateways 2921/ASR1002 for various Codecs, DSP farm and dial plans VoIP architecture within carrier IP MPLS-VPN/point-to-point WAN domains
- Performed NOC troubleshooting/deployment duties on Cisco Hosted collaboration VoIP, Cloud computing and Multi collocated data center infrastructure using SNMP v1/2/3, APIs, WinAPIs, Linux/windows based server agents for data collection using various monitoring tools such as Firescope Unify, Infovista, Zenoss and Cisco Voss
- Trained on Cisco UCS system using VOSS provisioning tool for Cisco Hosted Collaboration Solutions using Bulk loaders, Dial plans for provider, location, customer level deployment including DIDs/E164/Edge devices/PUG/HUG. Deployed up to 400 IP phones/users with CoS. Developed demo lab within NOC consisting 4 IP phones/servers
- Performed daily Cisco IP Phones Synthetic/node-to-node/status/real phone testing, generated daily/weekly/monthly inventory/events reports on CUOM. Troubleshot Cisco CPE VG routers 2901/2911/2921 ISRs for MPLS WAN/Eth connectivity and performance
- Certified on InfoVista performance monitoring tool consisting 2+2 HA server configuration, port/SNMPv1/XML/traps mappings on deployment and operations total of 6 prod server for CDRs/jitter/Mos/User specific reports/SBC/VGs/MPLS WAN links
- Undertaken technical writing project for National NOC policies & procedures, process flow chart diagrams, ticketing, Change control, alarms monitoring, security and back-out plans.
- Lead for Cisco Managed Services Channel Program (MSCP) audit for technical writing, policy structures, and integration of change/request management & delivery of solutions.
- Lead for administration for Global NOC operations in 3 different locations for dashboards, analyst/management work flow configurations
Network Engineer Tier II
Confidential, Torrance, CA
Responsibilities:
- Worked on a vendor based network migration project from Confidential to HP networks. Under guidance of senior network architect configured Cisco 6509/3750 to Avaya G450 phone system, HP procurve 5406/2915, H3C s 5120/5500/7501 E migration illustrating PVST+ to MST, VTP to GVRP, multicasting IGMP, DHCP for IP cameras, wireless APs.
- Managed Cisco Unified Call Manager 6.0.1.2000-3/ Cisco VG-224/Cisco Unity server 5.0 system, Avaya IP office 500 for voicemail, add/remove phone-tree/directory/Fax, server disk management for backup/defragment, setup/manage Cisco 7941/7961 IP phones.
- Network security appliance management on Cisco ASA 5520/Sonicwall TZ210/McAfee EWS 3300 for content filter, monitoring on ASDM 6.3, troubleshooting for various Trojans/malicious activities on the network via NAT/PAT, ACLs and rules.
- Installed/managed Intermediate/main distribution frame (MDF/IDF) components, edge switches/routers Cisco 3750/3750G PoE/3845/Foundry 2402 for VLAN management, Trunking 802.1Q/EIGRP routing to main frame. Managed Core Cisco 6509/7206 vxr
- Setup/configured Meru AP300/Cisco aironet 1140 on Cisco WLAN controller 4400 with WPA2 security, VLANs, carried out site wireless signal site surveys. Configured Bridgewave AR60/GE60 radio WAN links to backbone edge switches/routers.
- Configured/managed Windows server 2003/2008 Active Directory/group policies/terminal services/DHCP services/server disk management/periodic server based maintenance
- Performed on-call rotation schedule over SNMPv1 network monitoring tool interface as well as on site duties, managed 3 different ticketing systems
Network Integration (WiMAX) Engineer/Market lead
Confidential, Las Vegas, NV
Responsibilities:
- Commissioned WiMAX Base stations, switch provisioning, site equipment configurations including switch, site boss controller, Microwaves and RF WiMAX radio equipments
- Market lead for Rochester, NY, Syracuse, NY, Harrisburg, PA, York, PA, Reading, PA and Lancaster, PA. Associated with operations for any sort of commissioning work/questions
- On site operations support for BTS commissioning, made trip to New York, NY and Miami, FL worked with managers, BackHaul/RF engineers
- AC commercial power fail testing observing SNMP traps on IBM Netcool and Valere battery supply equipment.
- Configured/troubleshot RF equipments from using vendor (HUAWEI, MOTOROLA,SAMSUNG) specific client mgmt and data VLANs for 4G wireless signal
- RF WiMAX EQ. re-tune, RF parameters change, ASN gateway authorization, t/shoot RRH fibers/VSWR/neighbor hand-off/DHCP/Data and MGMT VLANs/subscriber traffic
- Maintained Equipment firmware/software upgrade, production check-list via GUI and CLI
- Examined “Acceptance Test plan’ for BTS sites ‘on air’ with DNS entries to the server.
- Ciena /Foundry switch provisioning including, port/interface VLAN management, traffic statistics, broadcast and loop management using PBT and RSTP protocols
- Performed network topological Transport/access/sub-tended ring closures, load balancing of sites. VLAN tunnels management and optimization tests at Point of Presence
- T1/DS3 backhaul based sites on CETERUS 8212/1530 VLANS,VCG,VCLNT configurations and performed T1 to MW conversion tasks
- Participated in Phoenix, AZ based LTE testing project commissioning based on UMTS/3GPP/LTE standard Radio (RAN) equipment/controllers
- Off hours maintenance work on live BTS coordinated with NOC for Radio sector Add, new site/switch add, site re-home, link/equipment upgrade performed within SLA.
- Unix/RHEL based servers and OpenVPN/cisco VPN client to connect equipments within intra-network, managed 5 ticketing systems and 3 databases
Network Engineer Tier
Confidential, Rochester, NY
Responsibilities:
- Troubleshooting on T1-data, Multi-T1’s, xDSL circuits, DS-1, DS-3 access, distribution issues. Core Cisco/Junipor/Adtran router ISR/GSR routing/multicast/multilayer troubleshooting within circuits in data/server environment for intermittency, slowness and connectivity issues
- Troubleshooting varied within any data based issue such as, Email login/receive/send, Internet down/slow/intermittent, Create / change rDNS lookup, Add / change hosts, A, MX records in domain, Create port forwarding, Add / remove DHCP, NAT in CPE, Add / change Static IP routes via IPPlan
- Led a project, MPLS based T1 circuits’ screening guide for current Level I team and have presented improvements on ticketing system and overall work-flow
- Monitored traffic on MRTG, guide clients for traffic utilization and firewall issues. Worked within ATM, Frame-Relay and MPLS based core networks
- Responsible for, but not limited to, order assessment, technical evaluation, technical troubleshooting, overall project management, problem solving and final test and turn-up of the service to the customers
- Troubleshoot Gigabit Ethernet, OC-3, DS3, fractional T3, DS1, ATM, and Frame Relay and Voice Over-IP connectivity issues
- Test and Turn-ups need good knowledge of Network Design, Routing, DNS, IP Subnetting within VSLAM, TCP/IP protocol,(BGP, OSFP, RIP, and EIGRP)
- Worked with customers to help them on Security issues: NAT Configuration, Proxy Server, and Firewalls
- Manage Windows NT Servers, UNIX Servers, Checkpoint Firewalls, Novell Netware Servers, etc
- Upgrade Cisco 7200, 3600 Router IOS Software, backup Router and Catalyst 3560 switch configurations, backup servers, etc.
- Monitor link utilization on various serial interfaces, Ethernet interfaces & Frame-relay circuits on Cisco routers and build a bandwidth utilization trend. If links are being congested / over-utilized, put a plan in place to upgrade circuits. Work with LEC / Service Provider in upgrading the circuits.
NOC Engineer Tier
Confidential
Responsibilities:
- Install and manage Cisco Catalyst Switches - 3500XL Series, Cisco Catalyst 3560 Series, Cisco 3750, 3600, 2600 routers, etc.
- Managed/troubleshot Cisco ISR/GSR for OSPF/BGP/EIGRP process/implementation, backbone routing in access, distribution layers in CDMA environment.
- WAN circuit management/deployment carried out for types ATM/Frame-Relay/MPLS
- Manage Various VLANs, IP Addressing for various subnets, and VLAN Trucking between various access-switches, port security, etc.
- Manage, support and troubleshoot everyday network connectivity issues in the server data center, work through the trouble ticket system and resolve issues.
- Monitored bandwidth and network activity by analyzing information provided by MRTG to ensure both efficient and effective network operation.
- Oversaw migration of WAN links to new service provider, designed full mesh WAN, set up TFTP server to backup, and restored configuration and IOS image files for the PIX, Cisco routers, and Catalyst switches.
- Configured and supported multiple remote site installations.
- Manning 24x7 operations of Ahemedabad NOC.
- Answer 24x7 pager calls from customers on network emergencies and resolve issues
- Ensure near 100% uptime of all E1 facilities.
- NMS monitoring for fault updates and initiate steps to recover any system/ subsystem failure in the shortest possible time.
- Periodically review E1 utilization for optimal allocation.