Andres Jovellanos, Shell Scripting Developer in Dublin, Ireland
Andres Jovellanos

Shell Scripting Developer in Dublin, Ireland

Member since June 28, 2019
Andrés is a goal-oriented DevOps engineer with over a decade of working experience with *nix systems and heterogeneous infrastructures. He stands out with his excellent communication skills, as well as for his flexible and analytical approach to problem-solving. For the last four years, Andrés has worked in AWS environments with different infrastructures as code frameworks, config management, and orchestration tooling.
Andres is now available for hire

Portfolio

  • Spotcap Global
    Amazon Web Services (AWS), AWS, Jenkins, Docker, Linux, Python
  • OLX Group
    Amazon Web Services (AWS), Ansible, Puppet, OpenShift, Docker, Linux, AWS...
  • OLX Group
    Amazon Web Services (AWS), OpenShift, Grafana, Kubernetes, Nagios, Sensu...

Experience

Location

Dublin, Ireland

Availability

Part-time

Preferred Environment

Amazon Web Services (AWS), Ansible, Terraform, Python, Linux, AWS, DevOps

The most amazing...

...challenge I've had was having to refactor most of the troposphere-based IaaC so we could deploy our infrastructure in a multi-account manner.

Employment

  • DevOps Engineer

    2018 - 2019
    Spotcap Global
    • Refactored the IaaC tool to deploy the infrastructure in several AWS accounts.
    • Automated ES backups in S3 and provided the base ground to restore it.
    • Reduced AWS bills 20% by scaling EC2 instances to zero and did it according to schedule.
    • Implemented automated upgrades for security patches.
    Technologies: Amazon Web Services (AWS), AWS, Jenkins, Docker, Linux, Python
  • DevOps Engineer

    2017 - 2018
    OLX Group
    • Supported application teams in the software development life cycle to ensure successful releases.
    • Followed and tracked projects in Jira involving infrastructure and development teams.
    • Participated in the architecture design and the step-by-step planning of new services.
    • Deployed new services and infrastructure with Terraform in AWS.
    Technologies: Amazon Web Services (AWS), Ansible, Puppet, OpenShift, Docker, Linux, AWS, Akamai, Terraform
  • SysOps Engineer

    2015 - 2017
    OLX Group
    • Managed incidents during on-call rotation 24/7 restoring faulty services that affected the end-user.
    • Optimized and tuned the infrastructure and services, from Linux kernel in AWS AMIs to application configurations using automation tools.
    • Enhanced the monitoring system with automatic remediation actions depending on the alert and severity with Ansible and Puppet.
    • Supported a wide variety of high traffic infrastructures, from AWS to bare-metal deployments.
    • Debugged and solved infrastructure misbehavior related to NTP, SSL, and configuration management.
    Technologies: Amazon Web Services (AWS), OpenShift, Grafana, Kubernetes, Nagios, Sensu, Terraform, Puppet, Python, Ansible, Linux, AWS
  • Unix/Linux System Administrator

    2012 - 2015
    Globant
    • Configured and provisioned lt virtual servers with VMware ESX and bare-metal servers (development. quality control, quality assurance, user acceptance testing, production) for internal and on-demand projects.
    • Configured and managed hosted SVN/Trac repositories for companies projects.
    • Maintained and deployed an internal DNS infrastructure and views for new and existing offices.
    • Upgraded and maintained hosted Atlassian tools like Bamboo and Crucible.
    • Maintained, configured, and deployed FTP, web, and WordPress services among others.
    Technologies: Bash, Python, NFS, Nginx, DHCP, FTP, Docker, BIND, VMware, CentOS, BSD, Linux, Subversion (SVN)
  • Unix Production System Analyst Support

    2011 - 2012
    Verizon Business
    • Supported Verizon's application telephone invoice system.
    • Developed KSH and T-SQL scripts to identify recurrent issues in the application's backend.
    • Analyzed project migration feasibility to new environments.
    Technologies: T-SQL, KSH, Sybase, Unix
  • Operation Production Support

    2010 - 2011
    Accenture
    • Supported a critical financial related infrastructure for an internal customer.
    • Monitored and supported ESB, MySQL servers, and IIS in production environment.
    • Reported issues and managed projects for the global team.
    Technologies: SOA, IIS, MySQL, Enterprise Service Bus (ESB)
  • Unix System Administrator

    2008 - 2010
    IBM
    • Supported application migrations under WebSphere application server on Linux systems.
    • Configured and maintained Solaris and AIX customer infrastructures.
    • Prepared and reviewed technical instructions for standardized deployments.
    Technologies: WebSphere, KSH, Solaris, AIX, Red Hat Linux, Unix

Experience

  • AWS Kibana Dashboard Migration Tool
    https://github.com/j0v3/migrate-kibana-dashboard

    I built a dockerized Python tool to migrate or provision dashboards and visualization objects from one AWS Elasticsearch service to another one. I've been using this tool in a Jenkins pipeline to provision Kibana dashboards to every ES I use.

Skills

  • Paradigms

    DevOps, SOA, REST, Agile, Kanban, Test-driven Development (TDD)
  • Other

    Software Development, Shell Scripting, Infrastructure as Code (IaC), Akamai, BIND, FTP, DHCP, NFS, IIS, F5 Networks, FTP Servers, HAProxy, DNS Servers, BIND 9, 12 Factor, Red Hat SpaceWalk, Enterprise Service Bus (ESB), AWS
  • Tools

    Ansible, Terraform, Grafana, Jenkins, Puppet, Nagios, VMware, Nginx, Apache, Git, Subversion (SVN), Terminal, Zsh, AWS CLI, AWS ECR, AWS CodeCommit, AWS CloudWatch, AWS CodeBuild, AWS ECS, AWS ELB
  • Platforms

    Linux, Amazon Web Services (AWS), CentOS, Unix, Solaris, WebSphere, Docker, Sensu, Kubernetes, BSD, AIX, Ubuntu, Red Hat Linux, OpenShift, AWS EC2
  • Languages

    Bash, Python 3, SQL, YAML, AWK, Python, KSH, T-SQL
  • Libraries/APIs

    Flask-RESTful
  • Storage

    Sybase, MySQL, PostgreSQL, Elasticsearch, JSON, AWS S3

Education

  • Bachelor's degree in Systems Engineering
    2009 - 2016
    Universidad de la Marina Mercante - Buenos Aires, Argentina

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