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guido M. — Senior DevOps Engineer from Argentina

guido M.

Senior DevOps Engineer

Argentina 6+ years
Open to offersNew to Platform
Languages
Spanish
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About

Guido J. M is an experienced DevOps Engineer and SysAdmin based in Buenos Aires, Argentina, recognized for his expertise in IT infrastructure within critical environments such as Banking and Telecommunications. With over 15 years in the industry, Guido has demonstrated proficiency in administering hybrid Linux/Unix systems, implementing CI/CD automation with tools like Jenkins and GitHub Actions, and optimizing cloud architectures with AWS. He emphasizes a DevSecOps approach, integrating security into every stage of the pipeline. Guido's career includes impactful roles at organizations like Banco Macro, Claro, Ericsson, and HP, where he managed incident resolution, cost-effective infrastructure administration, and performance tuning for high-demand systems. His technical toolkit is extensive, incorporating advanced abilities in scripts with Bash, and operational knowledge of MYSQL, Oracle, and Docker, complemented by certifications like Red Hat Certified Engineer and AWS Certified Cloud Practitioner.

Experience

  • Unix/Linux Administrator & DevOps

    Banco Macro · 2020 — Present
    Led the resolution of critical incidents in production environments using Agile methodologies (Jira), ensuring banking high availability. Enhanced CI/CD workflows utilizing GitHub Actions and Jenkins for application deployment automation. Orchestrated containers with Docker-compose and automated configurations using Ansible. Managed hybrid AWS infrastructure (IaaS/PaaS/SaaS) and VMware, contributing to operational cost reduction. Implemented vulnerability assessments with Nessus and OpenVAS in banking production environments. Improved SAP environments performance on RHEL through Kernel tuning, memory management, and bottleneck analysis.

  • DevOps & SysAdmin

    FreeLancer · 2017 — 2020
    Automated operational tasks utilizing advanced Bash scripts and cron jobs, achieving a monthly reduction of 10 hours in manual workload. Conducted hardening and proactive monitoring of Linux servers and Oracle databases using Nagios. Oversaw the administration of application servers including Apache, Tomcat, and JBoss in production contexts.

  • Unix Administrator

    CLARO Argentina, Uruguay, Paraguay · 2013 — 2017
    Managed critical telecommunications applications (Intec, Orga, Eventlink) providing N2 support on Unix/Linux platforms. Established secure transfer protocols (SFTP, SSH, HTTPS) and implemented GPG encryption. Oversaw WebLogic and Apache servers, along with Control-M scheduling tools. Configured monitoring alerts in BSM and administered Oracle 11g databases.

  • Incident Analyst

    ERICSSON Latinoamérica · 2012 — 2013
    Handled and resolved N2/N3 incidents on Linux/Unix platforms (Red Hat/Solaris) for Movistar Latin America. Conducted security patch cycles, contributing to a 30% reduction in vulnerabilities. Configured secure SSH tunnels for regional remote operations.

  • Information Security Analyst (SOC/IAM)

    HEWLETT PACKARD (HP) · 2011 — 2012
    Managed identities and access (IAM/ABM) in Linux/Unix environments, Windows Active Directory, and AS400. Performed security testing and perimeter monitoring following ITIL processes. Documented and managed security incidents within the SOC.

  • Linux Administrator

    GTECH Corp · 2010 — 2011
    Oversaw Red Hat servers for the lottery and casino terminal control platform. Managed disaster recovery planning, backups, and technical issue resolution in VMware environments.

Skills & Expertise

System AdministrationIT and NetworkingDevOps EngineerCybersecurity Specialist

Education

  • System Analyst
    IFTS Nº12 · — — 2026
  • Bachelor in Computer Science
    Universidad de Buenos Aires (UBA)