Summary
Overview
Work History
Education
Skills
Languages
Timeline
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Andres Fernandez

Rahway,NJ

Summary

  • Analytical, highly adaptable professional with extensive experience developing, deploying and evaluating systems aimed at improving quality and efficiency.
  • Skilled in aligning end-user needs with long-term resolutions to complex IT challenges. Track record of success.
  • Skilled troubleshooter continually focused on identifying, isolating and resolving technical issues. Strong knowledge and comfort within Linux-Unix-based environments, along with all peripheral processes.
  • Over 20 years of IT industry experience in Linux ,System Engineering, Administration and Production support of various applications on Red Hat , Debian, CentOS, Ubuntu and other Linux distributions, on site and remote,
  • Automation using Ansible core, Ansible AWX and ansible tower.
  • Created ansible playbooks. Used yaml language to create ansible playbooks,
  • Configured sudo and ssh keys for ansible to run properly.
  • Ran ansible playbooks from command line. Created Ansible Roles, Tasks.
  • Ansible inventory management. Ansible ad-hoc commands.
  • Created Projects, templates, inventories and jobs in Ansible tower.
  • Ran playbooks in Ansible tower sourced from GitHub.
  • Automation using bash scripting.
  • System administration, troubleshooting and performance tuning.
  • Monitoring and maintenance of different Linux distributions.
  • Patch management.
  • Change control using SNOW (Service Now).
  • Configuring services and applications on a LINUX server environment.
  • Documented technical processes and procedures.
  • Used Git and GitHub for Version control App support.

Overview

24
24
years of professional experience

Work History

Linux Systems Engineer and Developer

CCS Content Critical Systems
07.2018 - Current
  • System administration, troubleshooting and performance tuning
  • Automation using Bash and Ansible
  • Created ansible playbooks
  • Used yaml language to create ansible playbooks
  • Configured sudo and ssh keys for ansible to run properly
  • Ran ansible playbooks
  • Create Ansible Roles, Tasks
  • Ansible inventory management
  • Ansible ad-hoc commands
  • Created Projects in Ansible tower
  • Created inventories in ansible tower
  • Created Jobs in Ansible tower
  • Ran playbooks in Ansible tower sourced from GitHub
  • Using Git and GitHub for Version control
  • Participated in team meetings to resolve and go over current issues
  • Work with different flavors of Linux such as Red Hat 4-8, CentOs, Debian and Ubuntu
  • Change control management using SNOW (Service Now)
  • OS patching and app support
  • Troubleshooting of login id’s, passwords and connectivity issues
  • Managed Physical volumes, Volume Groups, and Logical volumes using Logical Volume Manager
  • Troubleshoot simple local area network (LAN) connectivity issues and reestablish remote access to customer
  • Systems monitoring and administration of servers for day-to-day issues, ids administration, hardware failure, monitoring log files, software upgrades, configuration changes and documentation
  • Expertise in creating and managing Logical Volumes using Logical Volume Manager in Red Hat Linux.

Linux System Engineer

Express-Scripts
02.2018 - 06.2018
  • Automation using Ansible
  • Created ansible playbooks
  • Used yaml language to create ansible playbooks
  • Configured sudo and ssh keys for ansible to run properly
  • Ran ansible playbooks
  • Create Ansible Roles, Tasks
  • Ansible inventory management
  • Ansible ad-hoc commands
  • Created Projects in Ansible tower
  • Created inventories in ansible tower
  • Created Jobs in Ansible tower
  • Ran playbooks in Ansible tower sourced from GitHub
  • Linux troubleshooting, performance-tuning on different accounts on more than 15000 servers
  • Creating Bash scripts for automated CVE detection and different uses
  • Performed editing on different scripts (Bash, Python, Perl) using VI editor, as required on documentation provided by other team members or management
  • Patch management
  • Creating file systems using Red Hat volume manager and performing health checks on regular basis on all Linux servers
  • Change management and security compliance
  • Use Service Now Ticketing System
  • Troubleshooting of login id’s, passwords and connectivity issues
  • Create implementation plans to use in patching
  • Use Red Hat Satellite for the purpose of entitlements and assign repos
  • Use Yum, Rpm package managers
  • Monitoring log files, backup, software upgrades, configuration changes and documentation
  • Installed RPM packages on Linux Servers
  • Creation of BASH scripts for automation of common task such as health checks, remediation and patching
  • Patch Management in RHEL 4, 5, 6
  • Using established guidance and processes
  • Expertise in creating and managing Logical Volume Manager in Red Hat Linux
  • Provided 24/7 on call support on Linux Production Servers
  • Support servers running Red Hat Enterprise Linux, and other Linux flavors included Debian, Ubuntu and CentOS
  • Keep a very detail Documentation on issues for other team members to use
  • Management of LINUX user accounts, groups, directories and file permissions.

Linux System Administrator

IBM
09.2014 - 02.2018
  • Linux troubleshooting, performance-tuning on different accounts on more than 4000 servers
  • Application support
  • Work with different flavors of Linux such as Red Hat 4-7
  • Keep a very detail Documentation on issues for other team members to use
  • Escalation to different departments such as networking, sales, Firewall team etc.
  • Expert in managing a cluster of servers using Red Hat
  • Applied the Clustering Topology that meets High Availability and Failover requirement for performance and functionality.
  • Red Hat Enterprise and Centos Linux cluster configuration and management for secure applications
  • Troubleshooting of login ids, passwords and connectivity issues
  • Extensive use of Logical Volume Manager (LVM), creating Volume Groups, Logical volumes and disk mirroring in Red Hat Linux
  • Day to day trouble shooting for end users on UNIX/LINUX
  • Monitoring log files, backup, software upgrades, configuration changes and documentation
  • Engaged different teams, in house and external, for prompt resolution to customer’s issues
  • Creation of BASH scripts for common task such as health checks, remediation patching and Performance
  • Using Maximo ticketing system to provide customer support
  • Expertise in creating and managing Logical Volume Manager in Red Hat Linux
  • Identify and troubleshoot hardware failures on servers
  • System storage issues including file systems
  • Monitoring log files, backup, software upgrades, configuration changes and documentation

Linux-Unix System Administrator and Engineer

IBM
03.2014 - 08.2014
  • Linux troubleshooting on different accounts on about 1000 servers plus
  • Provide systems administration for AIX and Linux servers
  • Provide support for IBMinfrastructure
  • Maintain compliance to IBM security requirements for operating systems
  • Perform problem determination and implement problem resolutions as the need arises
  • Perform performance analysis and recommend fixes
  • Develop and maintain documentation for procedures and services
  • Develop and maintain automation for managing systems, applying fixes, etc
  • Available for 24/7 on-call coverage
  • Available for occasional scheduled weekend work
  • Support servers running Red Hat,and other Linuxflavors included Debian and CentOS
  • Maintain an IT infrastructure asset register
  • Applied the Clustering Topology that meets High Availability and Failover requirement for performance and functionality
  • Troubleshooting of login id’s, passwords and connectivity issues
  • Troubleshoot simple local area network (LAN) connectivity issues and reestablish remote access to customer
  • Working with Maximo ticketing systems for the prompt resolution of issues from severity 1 to severity 4 where severity 1 is the more critical
  • Systems monitoring and administration of servers for day-to-day issues, patches, ids administration, hardware failure, monitoring log files, backup, software upgrades, configuration changes and documentation
  • Create “changes” for the applicability of patches or modifications in customer’s servers following established approval channels
  • Expert in managing a cluster of servers using Red Hat
  • Engaged different teams, in house and external, for prompt resolution to customer’s issues
  • Configured SSH keys to access servers
  • Installed RPM packages on Linux Servers
  • Create logical volumes using Linux LVM
  • Perform monthly Health checks on all of the customer’s environments
  • Creation of BASH scripts for common task such as health checks, remediation and patching
  • Patch Management in RHEL 4,5,6.7
  • Keep a very detail Documentation on issues for other team members to use
  • Performed editing on different scripts (Bash, Pythonand Perl) using VI editor, as required on documentation provided by other team members or management
  • Management of LINUX user accounts, groups, directories and file permissions
  • Installation, configuration and remediation of various Security and monitoring software.

Linux System Administrator and Engineer

Nye Health Collaborative
09.2013 - 03.2014
  • Installed configure and deploy NagiosXI for the Monitoring of more than 500 servers
  • Installed and configure RedMine Ticketing System to open Tickets automatically once it gets the notification from NagiosXI
  • Installed and configure the NRPE agent on all servers
  • Installed and configure NSCClient++ on Windows machines
  • Creating the file systems using Red Hat volume manager and performing the health check on regular basis for all Linux servers
  • Managed Physical volumes, Volume Groups, and Logical volumes using Logical Volume Manager
  • Building, deployment, configuration and implementation of new servers Unisng VMware Software
  • Support servers running Red Hat, Debian, Ubuntu, Centos or VMware ESXi 5.1
  • Red Hat Enterprise and CentOS Linux cluster configuration and management for secure applications
  • Configured SSH Password-less access to servers
  • Expertise in creating and managing Logical Volume Manager in Red Hat Linux
  • Primary Support in deployment, installation and configuration of Linux Servers in production environment
  • Planned, installed and configured operating system on new Linux Servers

Linux System Administrator and Engineer

Nimble TV
04.2013 - 09.2013
  • Configure installed and deployedZENOSS for the management and monitoring of more than 400 servers
  • Monitored servers for day-to-day problems, patches, user administration, hardware failure, monitoring log files, backup, software upgrades, configuration changes and documentation
  • Responsible for monitoring and fine-tuning system and network performance for Linux systems
  • Support servers running Red Hat Enterprise Server, CentOS and Debian
  • Troubleshoot diagnosed and fixed network, hardware and software issues
  • Key role in deployment, installation and configuration of LinuxServers in production environment
  • Planning, installing and configuration of operating system on new LinuxServers.

Linux System Administrator and Engineer

Critical Mention
02.2013 - 04.2013
  • Built and deploy NagiosXI for monitoring of infraestructure
  • Use Nagios for the administration of more than 3000servers, monitoring such things as: hard drive space, CPULoad, HTTP status, LinuxDisks, RAIDStatus, SSH, NTP Check
  • ConfiguredNagios, to check on different services, configure new hosts groups and services groups files
  • Create logical volumes using LinuxLVM.

Linux System Administrator

VERIZON WIRELESS
02.2012 - 01.2013
  • Troubleshoot and resolution of customer impacting issues
  • Driving troubles to resolution by engaging internal and external resources such as Cell and NOC Technicians, System Performance Engineers, Maintenance Engineering Staff as well as equipment vendors and service provider
  • Creating the file systems using Red Hat volume manager and performing the health check on regular basis for all Linux servers
  • Providing accurate and timely documentation of actions taken to inform other Network technicians of problems found and solutions for those problems
  • Systems monitoring and administration of servers for day-to-day problems, patches, user administration, hardware failure, monitoring log files, backup, software upgrades, configuration changes and documentation.

Linux and Windows System Administrator and Engineer

INFOVISION
03.2008 - 12.2011
  • Provided 24/7 on call support on Linuxand WindowsProduction Servers
  • Responsible for maintainingLinuxsecurity
  • Deployment and installation of ORACLE11Gdatabases for training purposes
  • Installed, upgraded and configuredRHEL 5.x/4.x/3.x
  • This included Jump Start Installations, Kickstart Installations and CD media
  • Creating the file systems using Red Hat volume manager and performing the health check on regular basis for all Linux servers
  • Managed Physical volumes, Volume Groups, and Logical volumes using Logical Volume Manager
  • General Red Hat Enterprise Linuxmonitoring and patch installation responsibilities
  • File system creation and maintenance utilizing
  • Installing VMwareESxI 4.1 on bare metal for the purpose of creating a virtual environment
  • Built new virtual Servers and clients using VSphere.

Owner and CTO

Mp3j Computers Rahway
01.2000 - 02.2008
  • Windows and Linux administration
  • Provided 24/7 on call support on Linux and Windows Production Servers
  • Responsiblefor Linux and Windows security
  • Custom built computers
  • Servers set up (Windows and Linux)
  • Configuration of different Linux distributions (Debian, Red Hat, CentOS, Suse and Ubuntu).

Education

Bachelor - Computer Science

Universidad Del Valle
Cali,Colombia
07.1986

Skills

  • Operating Systems:
  • Red Hat 4-8, Centos, Fedora, Debian, Ubuntu, LinuxDesktops, KDE, GNOME
  • Applications:
  • Linux LVM, Ansible,VMware ESXi 41-51, NagiosXI, Nagios Core, Zenoss, Red Mine, DRAC,ILO
  • Scripting: Bash

Languages

Spanish
Native or Bilingual

Timeline

Linux Systems Engineer and Developer

CCS Content Critical Systems
07.2018 - Current

Linux System Engineer

Express-Scripts
02.2018 - 06.2018

Linux System Administrator

IBM
09.2014 - 02.2018

Linux-Unix System Administrator and Engineer

IBM
03.2014 - 08.2014

Linux System Administrator and Engineer

Nye Health Collaborative
09.2013 - 03.2014

Linux System Administrator and Engineer

Nimble TV
04.2013 - 09.2013

Linux System Administrator and Engineer

Critical Mention
02.2013 - 04.2013

Linux System Administrator

VERIZON WIRELESS
02.2012 - 01.2013

Linux and Windows System Administrator and Engineer

INFOVISION
03.2008 - 12.2011

Owner and CTO

Mp3j Computers Rahway
01.2000 - 02.2008

Bachelor - Computer Science

Universidad Del Valle

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Andres Fernandez