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Network Systems Admin Resume

Plano, TX

PROFESSIONAL SYNOPSIS:

  • 8+ years of experience in IT Infrastructure services
  • Implemented and managed vSphere 6.0, 5.5 including vCenter, ESXi, Configured and Worked on VMware HA, DRS
  • Implemented and Upgraded ESXi version from 5.5 to 6.0.
  • ESXi Host patching and upgrades through Update managers, Configured update and upgrade baselines
  • Installed and configured various windows 2003 and 2008 server for Terminal services, vCenter servers, Dell EqualLogic Storage Managers
  • Hands on experience on Dell PowerEdge R320, R620, R730 XD Servers and also worked on Dell Compellent M1000e Blade Chassis
  • Hands on experience on HP ProLiant DL360, DL580 Servers and also worked on HP C7000 Chassis
  • Worked on different kind of Proof of Concepts (PoCs).
  • Day to day operations support, Root Cause Analysis, troubleshooting issues and planning for Migrations
  • Proven background in Infrastructure as a Service (IaaS), for Confidential Performance Management Services such as Proactive Support, EPP, focusing on VPN connectivity and data collection between Confidential and its customers
  • Selling, deploying and managing Confidential ’s Customer Access and Security (CAS) VPN solution for over 100 North America customers and upgrading to the new CAS solution for all the existing customer connections on RSG/SSG

TECHNOLOGY:

  • Process Methods & Ticketing Tools
  • Dell PowerEdge Servers
  • Dell Blade Chassis
  • HP DL Series
  • HP Blade Chassis
  • Juniper SRX Series Firewalls: SRX100, SRX210, SRX240, SRX340
  • Windows Server 2000/2003/2008
  • SUSE Linux Enterprise Server 11.4 & 12.1
  • CentOS 5.9 & 6.5
  • VMware ESX 5.5 & 6.0. Virtual Infra Client, vSphere 5.5 & 6.0. VMWare Update Manager 5.5
  • Juniper Operating System JunOS 12.X
  • Nagios Monitoring Tool
  • Zabbix Monitoring Tool
  • Remote Session services - Putty SSH console
  • Console session (HP Onboard Administrator & ILO, Dell CMC, & DRAC)
  • VMware Virtual Centre
  • HP Systems Insight ManagerDell Open Manage
  • WinSCP, FileZilla
  • Incident Management
  • Change Management
  • Problem Management & Root Cause Analysis
  • ITSM ticketing system
  • WIH Ticketing System
  • JIRA Ticketing System

CAREER SCAN:

Confidential, Plano, TX

Network Systems Admin

Responsibilities:

  • Deployment of CAS (Customer Access and Security) solution, turning up VPN tunnel (IPsec, BGP) connections between Confidential and customer network to enable connectivity for Confidential Integration and Operations Teams
  • Installing the CAS hardware consisting of a Dell M1000e Blade Chassis or PowerEdge Server (R320, R430, R630, or R730) and Juniper SRX Firewall (SRX210, SRX240, or SRX300) in customers’ network (Data Center, or MTSO)
  • Configuring Dell chassis or server with a custom VMware ESXi 6.0 ISO image consisting of necessary CAS VMs (Virtual Machines) such as virtual SSG, ADC (Automated Data Collection), Juniper UAC (Unified Access Control)
  • Upgrading the Juniper firewall with the latest Junos OS and firmware and configuring it with the configuration file generated with customer specified VPN Peer public IP, OAM private IPs, and necessary encryption domains
  • Deploying this solution in over 100 Tier-I, Tier-II and Tier-III customers in North America (USA and Canada), and working closely with them on the technical requirements of the product; fitting every customers’ unique needs
  • Juniper troubleshooting to verify if both phases, IKE and IPSec, of VPN are up, checking OSPF, verify if OSPF neighbor relation formed between Confidential and customer side loopback IPs, OSPF database, check ARP entries

Systems Administrator

Confidential

Responsibilities:

  • Selling of DCS (Data Collection Servers) Solution as a part of Proactive Services and Customer Network Support contract to major customers in North America according to various SLAs agreed upon for troubleshooting CSRs
  • Pulling data off of customer nodes (RNC, RBS, eNodeB), OSSs, regulating that data for troubleshooting alarms, creating RBS crash reports, iPad Apps, performance services such as EPP, ITK, and homegrown Confidential tools
  • Single point of contact and prime responsible for installation, operation and maintenance of over 200 servers in customers’ Data Center, providing 24x7 on-call support reducing the server downtime from 15 hours to 2 hours
  • Installation of the DCS HW consisting of a fully populated Dell M1000e Blade Chassis or PowerEdge R620 servers configuring VMware ESXi as the hypervisor layer and SUSE Linux (SLES 12 SP1) as the operating system
  • Configuring Dell EqualLogic storage volumes, mounting and allocating those volumes to bare metal servers over iSCSI, and to VMs as virtual storage, managing entire chassis with VMWare VCenter 6.0, vSphere Client 6.0
  • Monitor the performance, memory, CPU utilization, usage trends of these servers and chassis using the Nagios or Zabbix monitoring applications with Nagios master and client setup or Zabbix server and Zabbix proxy setup

Systems Engineer

Confidential

Responsibilities:

  • Migration of over 100 customers from RSG/SSG to an upgraded, secure, virtualized VMware based CAS (Customer Access and Security) solution consisting of Dell server or a Blade Chassis and a Juniper SRX Firewall
  • Presenting the solution and the migration plan to all the Confidential ’s customers, getting them onboard for the migration and upgrade of the RSG solution to the new CAS VPN solution acting as lead/prime for that customer
  • Coordinating and managing the entire migration effort working with customer on a daily or weekly basis, establishing timelines and schedules, conducting follow-up meetings, for the timely completion of the project
  • Working with customer for logistical details, to align with their power (AC/DC) requirements to order AC or DC CAS hardware, gathering IP information required for the solution, re-using RSG IPs for some smaller customers
  • Deploying the CAS hardware in customer network, working with data center technicians on installation, and cabling of the equipment, and their Firewall/IT teams to allow/open specific ports, protocols on their firewalls
  • Refining and continuously getting the product upgraded to a level where multiple services such as data collection servers, software deployment, etc. had been offered to customers as virtual services in CAS itself

Confidential, Greenville, SC

Associate Engineer - RF Consultant

Responsibilities:

  • Lead UTRAN Support Engineer for entire South Carolina market, working on Confidential equipment (OSS) assisting with market wide neighbor audits after RNC re-homing and special events parameter setting design
  • Recommend tilt changes, neighbor additions, power changes and different parameter changes to improve dropped calls, pilot pollution, coverage holes and troublesome areas which affect Key Performance Indicators
  • Coordinate with Confidential & Confidential SPOC to ensure timely implementation of proposed changes of parameters, thereby reducing the turn around time in bringing the site on-air, for commercial use, generating revenue for Confidential & Confidential
  • Creating UTRAN reports using AMOS (MO Shell and MO Batch) shell scripting; interfacing the reports to Confidential & Confidential on an early morning call, helping in dispatching the teams to problematic sites for quick resolution of issues
  • Reporting alarms, RSSIs, hardware counts, Remote Electrical Tilt (RET) Connectivity, for all nodes market-wide
  • Troubleshooting with Confidential ’s integration teams and third party tower crews on issues of RET, RSSI, VSWR, cross feeders between sectors of a cell site, ensuring nodes’ normal health state

Confidential, Little Rock, AR

Associate Engineer - RF Consultant

Responsibilities:

  • Performing Parameter and Neighbor audits, checking cell designations before cluster drive and changing them, if necessary, setting them in accordance with gold standards provided by the equipment vendor
  • Analyzing the data in Actix classic analyzer, preparing Event Analysis reports for call processing, call drops, call blocks, setup failures, generating final Go-No-Go reports and presenting them to Confidential & Confidential National delivery team
  • Creating scrambling code plots for individual sectors, identifying cross feeders, and recommending tilt changes, for better coverage and reducing pilot pollution due to over-shooting of some sites
  • Generating reports for Erlang/Traffic and Key Performance Indicators such as accessibility, retainability and propagation delays using Business Objects and Confidential & Confidential ’s CNN
  • Changing parameters such as qoffset2sn, uplink and downlink attenuation, electrical tilts; adding and deleting neighbor relations for load balancing, successful handovers and maximum throughput
  • Identifying missing UMTS Inter Frequency Hand Over (IFHO) and Inter Radio Access Technology (IRAT) handover neighbors from Confidential WNCS analysis and adding them
  • Managing 4 drive test teams, each consisting of a technician and a driver, for driving and collecting circuit switched and packet switch data for UEs from all the cell sites in a particular pre-defined coverage cluster
  • Defining 3G coverage polygons from ATOLL’s design data and preparing drive test routes and exit routes in each cluster, consisting of a specific number of cell sites provided by Confidential & Confidential, on MapInfo Professional
  • Reducing cost of re-driving a cluster, by personally going in the field, for handset testing and network troubleshooting, efficiently resolving issues in certain problematic coverage areas

Confidential, Brooklyn, NY

Systems Administrator

Responsibilities:

  • Installing operating systems like Ubuntu for lap computers used by the TCP/IP networking class students
  • Applied critical service packs for operating system, maintained the system with recommended patches and hot fixes
  • Managed Create, change, and delete user accounts as per request
  • Repair and recover from hardware or software failures
  • Technical research, presentations, accumulating data, administrative work and handling heavy load of phone calls from student, professors and professionals
  • Demonstrated high level of responsibility for researching, purchasing, and configuring any equipment needed for IT departments with little or no supervision

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