Summary
Overview
Work History
Education
Skills
Languages
Timeline
SeniorSoftwareEngineer

Raul Martinez

Systems Engineer
East Providence,RI

Summary

Highly experienced and results-oriented Senior Systems Administrator with a proven track record of managing and optimizing complex Linux environments. Expertise in RedHat Linux, system administration, configuration management, and automation. Seeking a Senior Linux Administrator position to leverage my skills in enhancing system reliability, security, and performance.

Overview

34
34
years of professional experience

Work History

Senior Systems Administrator

BJ's Wholesale Club
09.2010 - 02.2024
  • Administered over 500 RedHat Linux servers, ensuring high availability and optimal performance for all applications and resources.
  • Developed and maintained over 50 Puppet modules to automate software installations (e.g., OpsRamp, Flexera, Python) and ensure PCI compliance across the Linux server environment.
  • Streamlined server provisioning by configuring Satellite subscriptions and automating IP address assignments via DNS, reducing deployment time by 70%.
  • Enhanced system security by developing and implementing Bash, Perl, Python, and Puppet scripts to manage SSH protocol configurations, improving secure remote access and file transfer (SFTP).
  • Managed Centrify Manager, including Audit Control, collectors, connectors, Centrify Reporter, and Zone Management; implemented MFA with OKTA for enhanced authentication security.
  • Administered 600+ AIX systems, including building and configuring AIX LPARs, installing OS, VIOS, and applications on IBM p-Series frames (p-570, p-650, p-700).
  • Utilized VMware to manage and allocate resources for virtual Linux servers, and automated application deployment using Puppet.
  • Monitored system resources using ITM 6.3.7, Netcool/Omnibus, Netcool/Impact, and Telalert; maintained Tivoli environment with 600+ agents and databases (DB2, Oracle).
  • Developed PERL, Python, Ruby, and shell scripts to automate routine system administration tasks reducing by 70% user administration, password management, and security monitoring.

IT Architect

IBM
01.2002 - 03.2010
  • Served as Technical Support Architect for the Emerging Technology Lab (ETL) and IBM Global Services (IGS).
  • Installed, tested, implemented, and documented WebSphere Application Server and Portal Server (6.0.x, 6.1.x).
  • Clustered servers for applications, including Content Gateways, Xtreme Leverage, Knowledge Management, and Same Time 7.5.
  • Supported and maintained the Tivoli infrastructure in the ETL Lab, including Framework 4.1.1, ITM 6.1, Active Energy Manager 4.2, and IBM Director 6.1.
  • Managed ten IBM p-570 servers with Power 5 and Power 6 architectures, including VIO servers and LPARs running AIX and SUSE Linux Enterprise 11.
  • Designed, installed, tested, implemented, and documented Tivoli Enterprise Console rules (Prolog) and routines (PERL, JavaScript, Java, C++) for system management.
  • Developed Resource Models in Java for ITM 5.1, ITMMC, and Domino 6.0.

Systems Engineer

Lotus Development Corporation
01.1996 - 01.2002
  • Architected, installed, and trained System Administrators on Tivoli Management Enterprise software across multiple geographical regions.

Database Administrator

Unisys Corporation
05.1990 - 12.1995
  • ORACLE DBA for the TIMS department: installed, maintained, migrated, and supported ORACLE 7.x database system.

Education

Systems Engineering/Computer Science

University INCCA of Colombia
Bogota, Colombia
10-1980

Skills

  • Operating Systems: RedHat Linux (Expert), AIX, SUSE Linux Enterprise, Windows Server (up to 2021), Windows (up to 11)
  • Cloud Technologies: AWS (EC2, S3), Docker, Containers
  • Configuration Management: Puppet, Centrify
  • Databases: Oracle, DB2, MySQL, Sybase
  • Scripting/Programming: Bash, Perl, Python, Ruby, Shell Scripting (UNIX/Linux/AIX/Windows)
  • Monitoring/Management: OpsRamp, ITM, Netcool/Omnibus, Netcool/Impact, Telalert, Tivoli Management Enterprise
  • Virtualization: VMware
  • Other: Networking, Job Scheduling, Backup and Recovery, User Administration

Languages

Spanish
Native or Bilingual
English
Professional Working

Timeline

Senior Systems Administrator

BJ's Wholesale Club
09.2010 - 02.2024

IT Architect

IBM
01.2002 - 03.2010

Systems Engineer

Lotus Development Corporation
01.1996 - 01.2002

Database Administrator

Unisys Corporation
05.1990 - 12.1995

Systems Engineering/Computer Science

University INCCA of Colombia

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Raul MartinezSystems Engineer