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David MartinezDM

David Martinez

DevOps - Database Administrator

€200/day
Barcelona, ES
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About David

I am an IT professional with over 5 years of experience in system administration, DevOps, and infrastructure support.

My day-to-day revolves around automating everything automatable: infrastructure provisioning with Ansible, CI/CD pipelines with Jenkins, and managing containerized platforms with Docker and Kubernetes/OpenShift. I also handle database administration and optimization (MongoDB, PostgreSQL, SQL Server), ensuring high availability and data integrity.

I have hands-on experience with the three major cloud providers (AWS, Azure, and GCP), and in implementing observability and monitoring solutions (Grafana, Prometheus, Dynatrace, Zabbix, Nagios) that allow detecting and resolving problems before they affect the business. I work following ITIL methodology, with a focus on incident management, change management, and continuous improvement.
  • Spanish

    Native or bilingual

  • Catalan

    Native or bilingual

  • English

    Fluent

Remote only
Primarily works remotely

Experience

  • BOEHRINGER INGELHEIM,
    DevOps Database Administrator
    November 2023 - Today (2 years and 9 months)
    • - Administer and optimize database environments with a strong focus on MongoDB and PostgreSQL, ensuring high availability, performance, and data integrity.
    • - Automate infrastructure provisioning, patching, decommission and configuration using Ansible and Infrastructure as Code (IaC) principles.
    • - Manage and operate containerized platforms, administering Docker environments and OpenShift (Kubernetes) clusters.
    • - Implement and maintain observability and monitoring solutions using Grafana, Prometheus and Dynatrace, enabling proactive monitoring, alerting, and performance analysis.
    • - Code delivery within CI/CD pipelines using Jenkins.
    • - Develop automation scripts in Bash and Python for operational tasks and improve system reliability.
    • - Create and maintain operational and performance reports using Power BI to support data-driven decision making.
    • - Perform capacity planning, incident management, and root cause analysis in enterprise production environments.
    • - Work following ITIL methodology, including incident, problem, and change management processes.
    Docker Python Ansible Linux MongoDB
  • Establiments Viena SA,
    IT System Administrator
    October 2022 - October 2023 (1 year)
    • - Windows Server Troubleshooting (2008, 2012, 2016 and 2019), clusterized environments. Virtualization and Cloud Virtualization (AWS, VMWare, VDC, GCE).
    • - Linux Troubleshooting (Debian and CentOS mainly), clusterized environments. Virtualization (AWS, VMware, oVirt).
    • - Docker management.
    • - Web server management (Apache and Nginx, PHP, PHPFPM, Tomcat). Virtual hosting, PHP modules implementation, site securization, sites migration between servers, Plesk.
    • - Database management (SQL Server, MySQL and MongoDB). Create/delete users/tables/databases, users permissions management, database/table dump, phpMyAdmin implementation, backups.
    • - Firewall management (Fortigate).
    • - AP Management (Meraki).
    • - Windows PowerShell.
    • - Linux Shell Scripting (Bash, Sed, Awk).
    • - SSL certificates management (LetsEncrypt).
    • - Infrastructure monitoring (Nagios).
    • - Backup implementation (Veeam Backup).
    • - Hardware upgrading.
    • - Managed network infrastructure and ensured system reliability across multiple platforms.
    Docker Linux Windows Server Python Bash
  • Webhelp,
    Infrastructure Technical Solutions, Google Cloud Platform
    August 2022 - October 2022 (2 months)
    • - Google Cloud Platform troubleshooting (GKE and GCE, mainly).
    • - VPC Networking
    • - Load Balancing
    • - Firewall management.
    • - Docker.
    • - Interaction with customers, Google Software Engineers, and Google Technical Solutions Engineers.

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Education

  • LPIC 1 CERTIFICATE
    Linux Professional Institute ITIL Foundation
    LPIC 1 CERTIFICATE
  • CERTIFICATE OF HIGHER EDUCATION
    HNC
    CERTIFICATE OF HIGHER EDUCATION

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