S

Sebastián Vargas Hernández

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Costa Rica
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Résumé

Jobs verified_user 0% verified
  • [
    System Administrator
    [Coopelesca RL]
    Oct 2023 - Current (2 years 8 months)
    • Virtualization: Managing and creating virtual machines within internal infrastructure using Hyper-V. • Azure: Cloud administration tasks including backup management, virtual machine instance provisioning, configuration of Azure Active Directory and cloud networking operations. • Linux administration: Responsible for managing Linux servers, including user deployment, filesystem management, and monitoring of services. • Ansible: Implemented Ansible to automate various Linux tasks and streamline deployment processes across the organization's Linux infrastructure. • Windows Server: Managed Windows Server administration, Active directory tasks, and automated various repetitive tasks using PowerShell to improve efficiency and reduce manual
  • [
    Cibersecurity Engineer
    [Coopelesca RL]
    Jun 2023 - Oct 2023 (5 months)
    • Linux Automation & Hardening (Ansible): Linux automation implementation using Ansible, adhering to best practices. Strengthened security through effective system hardening. • Log Analysis & Firewall Management: Analyzed system and firewall logs for prompt threat identification. Ensured proactive security measures. • Cyrebro SOC Platform Oversight: Managed Cyrebro SOC platform, enhancing threat detection and incident response. • Sophos Endpoint Protection Management: Administered Sophos endpoint protection systems, safeguarding against diverse cyber threats.
  • [
    Help Desk Technician - Support Level 2
    [Coopelesca RL]
    Oct 2021 - Jun 2023 (1 year 9 months)
    • Provided exceptional technical support to end-users, troubleshooting hardware, software, and network-related issues. • Collaborated with cross-functional teams to resolve system outages, minimizing downtime, and ensuring business continuity. • Configured and maintained user accounts, security permissions, and access rights in adherence to IT policies and procedures. • Assisted in the deployment and upgrade of software applications, ensuring seamless implementation and user adoption. • Conducted user training sessions to enhance their understanding and utilization of IT systems and tools.
Education verified_user 0% verified
  • [
    Network Data Technician
    [Tecnológico de Costa Rica]
    Jan 2022 - Dec 2022 (1 year)
  • [
    Informatic Engineering
    [UNED].
    Feb 2019 - Jun 2021 (2 years 5 months)
Projects (professional or personal) verified_user 0% verified
  • D
    DevOps Environment setup
    Feb 2020 - Current (6 years 4 months)
    • Installed a Kubernetes Cluster using kubeadm on my homelab server to manage containerized applications at scale. Configured master and worker nodes, ensuring proper networking and load balancing. • Deployed argocd on Kubernetes cluster for gitops workflows, following best practices using github repository as a source of truth and desired states. • Ansible: Leveraged Ansible to automate the deployment and configuration of services across different servers, ensuring consistency in my homelab environment. • Jenkins: Deployed Jenkins to automate the build, test, and deployment process for containerized applications, creating an efficient CI/CD pipeline.
  • D
    DevOps personal projects
    Jan 2020 - Current (6 years 5 months)
    • Hardware Setup: Designed and built a custom homelab from scratch, selecting and assembling components including CPU, RAM, storage, and network hardware to support virtualization and containerization workloads. Virtualization and Networking: ◦ Implemented network segmentation using VLANs and Fortigate for secure communication between virtualized environments and IPsec connections to other sites. ◦ Configured Proxmox for virtual machine management, enabling efficient resource allocation and creating isolated environments for testing different operating systems and server configurations.