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Rafael
rmcmxcc@hotmail.com
469-327-6735
Mexico City
Linux System Administrator
7 years experience W2
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Summary

  • Experience in the administration and configuration in diversified operating systems, Unix (AIX, Linux, Solaris, RedHat and Linux) in financial, telecoms and retail environment.
  • Working experience in the U.S. For 4 years in Houston TX as system engineer and support application engineer with a TN visa. During 2015 for Fiserv in NJ Parsippany for a financial institution for the Unix team as Unix consulter engineer, used different tools like SqlPlus for database administration, KSH scripts for automation task, JavaScript and java development using NetBeans and Eclipse for different Telecom projects, puppet labs application installation and configuration for 300+ client servers.
  • Projects for Western Union for money transfer and credit card transactions under Solaris environment.
  • Used different tools for web-server administration like Web-sphere, Apache, J Boss, virtualization under AIX, RedHat, and VMware, Virtual box also administration of Linux, (RedHat, Centos, Ubuntu) knowledge in volumes management for HP-UX and AIX for partitioning logical volumes.
  • Load balancing for balance traffic. Knowledge of AMW for cloud services.
  • Execution of cron jobs and script development in KSH, SqlPlus, MySQL-Server, MySQL Workbench and Bash.
  • Used and install tools like Puppet Labs and Nagios for server monitoring of 300 + servers in data centers. Knowledge of Oracle Financial Services products, SQL for database management.

Experience
Linux System Administrator
Information Technology
Oct 2016 - Oct 2016
  • MX -Actual Telecom ONIX ONIX O&M BSS Tasks & Responsibilities
  • Creation and Review SQL Scripts using SQL-Plus and IDE PL-SQL for the execution, reviewing, and change data request by customer.
  • Perform task under Linux and Unix environment in production and testing module to retrieve logs, execute shells and cron jobs.
  • Monitoring production servers reviewing performance of CPU, Memory and Data traffic, review alarms in case of filesystems requested maintenance to secure proper performance.
  • Perform Regression Testing or Rollback testing in production and testing environment of diversified modules of customer.
  • Attending RAD meetings
  • Stay in close contact with developers to ensure the best communication.
  • Rapid Testing methodology Environment SQL-Plus, PL-SQL, Unix commands, Linux Commands, Oracle, Java, Unix, Linux, WebLogic.
UNIX Linux System Administration SQL Oracle
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Developer
Information Technology
Oct 2016 - Oct 2016
  • MX, 11/Apr/16 - Actual
No skills were added
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Java Developer
Information Technology
Oct 2016 - Oct 2016
Houston, TX

Tasks & Responsibilities

  • Review of development application in Java, using Net-beans and Eclipse software for different projects in telecom environment.
  • Installation and administration of Linux boxes (Centos and Ubuntu versions) for voip services mainly.
  • Installation and administration of Asterisk servers, PBX, sip and extensions configuration.
  • Shell scripting development in KSH for task automation and configure cron jobs under Unix boxes. Environment RedHat, NetBeans, Java, JavaScript, Asterisk, Unix commands. Liverpool, MX, 6/Aug/15- 11/Jan/16 SysAdmi Tasks & Responsibilities
  • Worked in production environment with IBM AIX server in the Unix team, installation, configuration, administration, with 300+ servers in two data centers in Mexico City.
  • Virtualization of servers in AIX and SAN servers, configuration of virtual fiber and physical fiber channels according to customer request.
  • Creation of Shell scripts and cron Jobs mainly in KSH and bash to automatize request by customers and other team areas of Liverpool.
  • Used ticketing tools like remedy and service-now to report task.
  • Virtualization using VMware software for installation of Linux and Windows machines. Environment Unix AIX, Shell Scripting, Storage Servers, Virtualization VMware. Citi-Banamex, MX, 1/Apr/14- 3/Jul/15 SysAdmin Tasks & Responsibilities
  • Installation of Web-sphere on RPM format in Linux servers, to install Oracle software, and third party software request by customer for Citigroup, modify addresses and jvm parameters according to software specifications.
  • Provide assistance and reports to supervisor of meeting of the projects with Ericsson's, America Mobil, Huawei, provide diagrams with specifications of status of the projects and feedback to supervisor.
  • Instance reports, configuration and restarts of web-logic platform.
  • Implementation of new Unix and Linux servers, to specific projects in Linux environment, migration under Unix and windows environment.
  • Root Access using token codes tools to production and testing servers and DMZ zones for Citi.
  • Changes and rollovers request under tickets asked by different areas, mainly on-line banking.
  • Provide technical assistance and restarts web portals of Citibank Banamex Mexico on-line banking platforms in testing environment.
  • Used Puppet in UAT environment for testing over 300+ servers clients connected to two main Puppet software to different client servers, configuration from source code and deploy diversify apps. to client servers via puppet.
  • Retrieve logs using FTP tools, asked by different areas.
  • Firewall configuration for Unix servers.

Environment WebSphere, Oracle, Unix (AIX, Solaris, HP-UX), Puppet, WebLogic. Official Recharge 5/Nov/11- 3/Jan/14

Ubuntu IBM WebSphere JavaScript RedHat UNIX CentOS BaSH Ksh Cron Eclipse Java Netbeans Oracle BEA WebLogic AIX Fiber channel Fiber Optics Linux Puppet SAN Shell Scripts Solaris VMWare AWS CodeDeploy Data Center ServiceNow Windows FTP Scripting
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Software and Support Engineer
Information Technology
Oct 2016 - Oct 2016

Responsibilities

  • Official Recharge Project, initiation project in Dominican Republic for the installation and migration of Linux, Cisco and Genband server to data-center in Austin TX (On-ramp).
  • Mount portal in Apache web-server to sell prepaid top-ups used T-Mobile, boost, virgin, H2O APIs, to provide different amounts to recharges of the top-ups.
  • Portal was developed in Java responsible for updates to supervisor and provide technical solution with technical and development team in case to upgrading apis or modification of web-portal.
  • POS administration provide technical support with new POS connection status and Sim-cards status of POS of Official Recharge.
  • Creation of scripts to regroup information of customers and make automation scripts.
  • Monitoring and reporting servers at data-center and web-portal performance.
  • Used cloud services for migrations of Web Services portal from a physical server to virtual cloud servers.
  • Tasks in data-center to changes and troubleshooting, Windows upgrades, services reviews in Windows Server, fiber connection fixes and provide reports of status of servers. Environment Unix, Cisco, Genband, Apache, Java.
Linux Cisco Apache Webserver Apache Java WebServices Fiber Optics UNIX Windows Server Database Upgrades Windows API Development
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Unix System Engineer
Information Technology
Apr 2016 - Aug 2016
  • Review of development application in Java, using Net-beans and Eclipse software for different projects in telecom environment.
  • Installation and administration of Linux boxes (Centos and Ubuntu versions) for voip services mainly.
  • Installation and administration of Asterisk servers, PBX, sip and extensions configuration.
  • Shell scripting development in KSH for task automation and configure cron jobs under Unix boxes.
Java UNIX Eclipse Linux Ubuntu Netbeans Shell Scripts Scripting PBX SIP Systems Engineering CentOS VoIP
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System Administrator Data-Center
Information Technology
Apr 2014 - Jan 2015
  • Roles & Responsibilities: Used Control-M and CA7 for work automation at Citigroup for automation jobs servers under Linux Unix and Solaris servers Used IIS and active directory for authentication process.
  • Used Ruby and Java for automation tasked under Mysql servers (HP-UX, Solaris, AIX, RedHat and Linux) Experience with business continuity and updating using automation tools like bladeloginc and puppet.
  • Installed Puppet master and agent under 500 + servers data-center production environment.
  • Sybase and Oracle administration for daily jobs required bye Citigroup, set up parameters under Sybase to run cron and jobs to update catalogues and database used by Sybase DB system,
  • Used Webshpere and Load Balancer BIG IP/F5 implementation servers for clustering, activate the current members and the member address, we used to configure virtual IP address and services, select pools and rules, we used for Weblogic and websphere application services, Admin of ppet for automation of 500+ servers at datacenter Banamex-Citigroup fusion. Run several command to check nodes, modify, list, save configurations.
  • Test Assisting in the development and execution of system test and performance test plans, Installation of Unix, Linux, Solaris OS HP Servers Installed Nagios master and agent Used AWS and Rackspace and VMWare for testing purposes in large testing (300+) virtual web services.
  • Used Puppet in UAT environment for UAT environment and testing, patching and updgrading servers HP-UX, Solaris, AIX, Redht and Oracle Linux.
  • Used Bladelogic for automation server (BSA) for 10 servers in Unix and Linux deployment (compliance, patching config updates,
  • Patching and administration on UAT environment in Mainframe using OS Unix, Linux, RedHat Linux Satellite, WebSphere, Weblogic, zVM reporting and troubleshooting tasks
  • Implementation and administration of new Linux servers for project Oracle KYC (know your customer and financial services, including installation under Linux, base on websphere server) NFS tuning and LVM partition
  • Python scripting for task request by Citigroup mainly for automated task and delivery scriptos for Testing and Production environment. Used VMware, VirtualBox, vSphere in Citigroup
  • Team work with Development team IT Business Group and Production Team Script and shell configuration Configuration in WAS and Weblogic and Apache tuning and administration for Oracle Financial Services Project
  • Analyze and resolve diagnostic problems on Sun, HP-UX, Solaris and AIX systems Oversee tuning and performance monitoring for UNIX/Linux workstations, servers, and peripherals
  • Administer workstation configuration and connectivity to servers, databases, and applications
  • Use Bladelogic for automating tasks under Unix and Windows servers Official Recharge
BEA WebLogic BMC Control-M BaSH Data Center RedHat System Administration UNIX Linux Performance Monitoring Performance Testing AIX VMWare VirtualBox vSphere Scripting SQL MS Active Directory HP-UX Nagios NFS Puppet Python Solaris Windows Server IBM WebSphere Apache AWS MySQL Oracle Ruby IIS Windows
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Edit Skills
Non-cloudteam Skill
Education
Certifications
and Continuing Education
AIX fundamentals German Center, 2-weeks training, Mexico City
Sun-Solaris. Mexico City, 1-week training
Skills
Routers
2002
1
Apache
2016
1
AWS
2015
1
IBM WebSphere
2016
1
IIS
2015
1
Linux
2016
1
MySQL
2015
1
Oracle
2016
1
Ruby
2015
1
Scripting
2016
1
UNIX
2016
1
Windows
2016
1
SQL Server
2011
1
SuSE
2011
1
AIX
2016
1
Apache Tomcat
2011
1
Apache Webserver
2016
1
API Development
2016
1
AWS CodeDeploy
2016
1
BaSH
2016
1
BEA WebLogic
2016
1
Blade Server
2010
1
BMC Bladelogic
2016
1
BMC Control-M
2015
1
BMC Remedy
2016
1
Box
0
1
CentOS
2016
1
Cisco
2016
1
Citrix
2016
1
Clustering
2014
1
Cron
2016
1
Data Center
2016
1
Database Upgrades
2016
1
DBA
0
1
Diagnostics
2015
1
Eclipse
2016
1
EMC
2011
1
Fiber channel
2016
1
Fiber Optics
2016
1
Firewall
2008
1
FTP
2016
1
Gateways
2002
1
HP
2008
1
HP-UX
2015
1
Hubs
2010
1
Java
2016
1
JavaScript
2016
1
Jenkins
2014
1
Ksh
2016
1
LDAP
2016
1
Load Balancing
0
1
Maven
2014
1
Microsoft Exchange
2016
1
MS Active Directory
2015
1
MS SCCM
2016
1
Nagios
2015
1
NAS
0
1
Netbeans
2016
1
Network Support
2004
1
NFS
2015
1
OpenStack
2011
1
PBX
2016
1
Performance Monitoring
2015
1
Performance Testing
2015
1
PHP
0
1
PowerShell
2016
1
Production Support
2004
1
Puppet
2016
1
Python
2015
1
RedHat
2016
1
SAN
2016
1
ServiceNow
2016
1
Shell Scripts
2016
1
SIP
2016
1
SMS
2010
1
Solaris
2016
1
SQL
2016
1
Sun
2008
1
Sybase
2015
1
System Administration
2016
1
Systems Engineering
2016
1
Technical Support
2004
1
Ubuntu
2016
1
VirtualBox
2015
1
Virtualization
2015
1
VMWare
2016
1
VoIP
2016
1
vSphere
2015
1
WebServices
2016
1
Windows Server
2016
1
XML
2010
1
Languages
English, Fluent/Bilingual
Spanish, Fluent/Bilingual
Italian, Fluent/Bilingual