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Andres Montalban, Software Developer in Montevideo, Montevideo Department, Uruguay
Andres Montalban

Software Developer in Montevideo, Montevideo Department, Uruguay

Member since August 7, 2014
Andres is an experienced technical leader with over ten years of experience overseeing and managing fully remote teams. He is knowledgeable about cloud infrastructure, agile development, and networking, and he is an active contributor to open-source projects like SaltStack, Vagrant, Chef/Bento, and FreeBSD. Andres brings superior technological skills and a can-do attitude to the table that help teams and companies to grow and thrive.
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Portfolio

  • Labelbox
    Ansible, Google Cloud Platform (GCP), Google Kubernetes Engine (GKE), MySQL...
  • Perceptyx
    Amazon Web Services (AWS), Python, GitLab CI/CD, Docker Compose, Packer...
  • Global IT Solutions S.R.L
    Amazon Web Services (AWS), Networking, Cloud Computing, Virtualization, Bash...

Experience

Location

Montevideo, Montevideo Department, Uruguay

Availability

Part-time

Preferred Environment

Amazon Web Services (AWS), Infrastructure as Code (IaC), Python, Packer, GitLab, Kubernetes, Docker Compose, Docker, Terraform, AWS, MySQL

The most amazing...

...thing I've done is lead a team of engineers supporting a SaaS platform used by the biggest companies in the world, including three of the five biggest in tech.

Employment

  • Senior DevOps Engineer

    2021 - PRESENT
    Labelbox
    • Migrated the main production database (3TB) from MySQL 5.7 to MySQL 8.0 without downtime.
    • Created a Terraform module for deploying a production-grade Citus cluster in Google Cloud Platform. Other tools like Packer, Ansible, Python were used in this project. I have also contributed to the pg_auto_failover project.
    • Initiated a self-service infrastructure project for our engineering team, leveraging env0, Terraform, Kubernetes, and Helm charts to allow quick development environments in the cloud.
    • Automated the provisioning of on-premise deployments using Replicated. The technologies involved were Terraform, Bash scripting, and Packer.
    Technologies: Ansible, Google Cloud Platform (GCP), Google Kubernetes Engine (GKE), MySQL, Helm, PostgreSQL, RabbitMQ, Datadog, Elasticsearch, AWS, DevOps

  • Lead DevOps Engineer

    2014 - 2020
    Perceptyx
    • Led a team of nine senior DevOps engineers distributed across four different continents.
    • Led and implemented multiple pipelines to improve the quality and robustness of our platform by using tools like Packer, Terraform, GitLab CI, and Kitchen CI.
    • Automated package building and testing for FreeBSD servers, SaltStack configuration testing, creation of development environments and AWS AMI, and the Perl environment build (runtime and modules).
    Technologies: Amazon Web Services (AWS), Python, GitLab CI/CD, Docker Compose, Packer, Terraform, Docker, Kubernetes, Linux, MySQL, Redis, AWS, FreeBSD, SaltStack, DevOps

  • CTO

    2012 - 2018
    Global IT Solutions S.R.L
    • Provided support to customers using cloud computing technologies.
    • Coached new employees and partners in Linux, networking, and virtualization.
    • Supported sales projects generating new services and products based on a mix of technologies.
    • Managed projects and deadlines for a team of local and remote personnel.
    Technologies: Amazon Web Services (AWS), Networking, Cloud Computing, Virtualization, Bash, AWS, AWS EC2, FreeBSD, Asterisk, VoIP, Puppet, SaltStack, HAProxy, Nginx, Apache, Linux

  • Senior Sysadmin

    2011 - 2013
    inConcert
    • Supervised seven PoP datacenters in the USA and Spain providing mission-critical VoIP services to customers worldwide.
    • Installed, maintained, and supported more than fifty servers with Linux and Windows platforms.
    • Configured and managed Intra Carrier VoIP cross-connections to handle thousands of calls per day.
    • Developed an automated installation script for A2Billing (https://github.com/amontalban/A2Billing-Install-Script) that allowed other company coworkers to install the solution for our customers all over the world.
    • Acted as the point of contact to co-location and hosting providers including SoftLayer, NAP of the Americas, PhoenixNAP, and others. Managed purchases, maintenance plans, and internal company support.
    • Helped design and deploy the company’s private cloud infrastructure.
    Technologies: Microsoft SQL Server, Cloud Computing, Core Location, Software-defined Data Centers (SDDC), Windows, Linux, Asterisk, VoIP

  • Senior System Administrator

    2010 - 2012
    Ikuna Media S.L.
    • Migrated a mission-critical system from a dedicated server to a high-availability Amazon platform in one week to support a high traffic spike during 2010 FIFA World Cup.
    • Created a scalable streaming solution using Amazon Web Services, Adobe Flash Media, Wowza, and Amazon CloudFront, giving the company the ability to stream live events like MTV Europe awards to thousands of viewers all over the world.
    • Reviewed company web platform performance supporting several thousand hits per day for customers like EFE News, Telemundo, and Telefonica, resulting in up to a 50% performance increase using the same resources.
    • Created email marketing infrastructure using EC2 and SES to provide services to several customers, ensuring deliverability and inbox reach.
    • Provided support to development teams, giving assistance for new technologies and best practices to achieve high availability and performant services.
    Technologies: Amazon Web Services (AWS), LAMP, MySQL, Adobe Flash, Wowza, Content Delivery Networks (CDN), AWS EC2, AWS

  • Owner

    2009 - 2012
    AM Technology & Systems
    • Worked on sales and technical solutions in order to gain customers and generate new services and products.
    • Provided support for hosting servers with a vast range of technologies, from stripped-down LAMP servers to cPanel and Plesk setups.
    • Supported Cisco networks with customers in the USA and Australia.
    • Supported Windows corporate systems with AD, Exchange, and IIS.
    • Migrated hosting servers between providers with hundreds of sites without downtime.
    Technologies: LAMP, Zimbra, Asterisk, MS Exchange, Windows, FreeBSD, Unix, Linux

  • CTO and Co-founder

    2006 - 2009
    IT Business
    • Supervised the technology department responsible for customers with over 100 PCs.
    • Migrated several corporate MS Exchange installations from 5.5 to 2003.
    • Deployed VoIP PBXs using Asterisk software.
    • Installed and maintained a metropolitan area network using WiFi links with Ubiquiti, MikroTik, and custom equipment with OpenWRT software.
    • Managed a seven-member technical team to support customers' needs.
    Technologies: Windows, Asterisk, VoIP, Telecommunications, Networking, FreeBSD, Cisco, Linux

  • NOC Supervisor

    2005 - 2006
    Diveo Uruguay S.A.
    • Supported the company and customer networks that consisted of carrier-class network equipment like Cisco, Harris, and Ericsson Tellabs.
    • Managed servers using Linux, Solaris, and Windows.
    • Upgraded software and hardware for Cisco core routers (7950), including bootloader.
    • Provided support and assistance to customers.
    • Designed new network links and services in coordination with the marketing department to increase sales.
    Technologies: Windows, Solaris, Wireless Networking, Synchronous Digital Hierarchy (SDH), PDH, Rapid Application Development (RAD), Cisco, Linux

Experience

Skills

  • Tools

    Ansible, Packer, Vagrant, Terraform, SaltStack, Asterisk, Wowza, Travis CI, Jenkins, Tmux, Vim Text Editor, Git, Citus, Apache, Nginx, Puppet, MS Exchange, Zimbra, Adobe Flash, Docker Compose, GitLab, OpenVPN, FreeSWITCH, GitLab CI/CD, GCC, GDB, Hyper-V, RPM, Google Kubernetes Engine (GKE), Helm, RabbitMQ

  • Paradigms

    DevOps, Rapid Application Development (RAD)

  • Platforms

    Amazon Web Services (AWS), FreeBSD, Linux, Red Hat Linux, CentOS, Debian Linux, LAMP, Debian, Azure, Kubernetes, Rackspace, Windows Server, MacOS, Google Cloud Platform (GCP), AWS EC2, Windows, Unix, Docker, Xen, Solaris, Embedded Linux

  • Other

    VoIP, IBM SoftLayer, VMware ESXi, Big Data, HAProxy, AWS, Virtualization, Cloud Computing, Networking, Software-defined Data Centers (SDDC), Content Delivery Networks (CDN), Cisco, PDH, Synchronous Digital Hierarchy (SDH), Wireless Networking, Infrastructure as Code (IaC)

  • Languages

    Bash Script, Bash, Python, SQL, PHP

  • Storage

    MySQL, LVM, MySQL Daemon, Microsoft SQL Server, Redis, PostgreSQL, Cassandra, Datadog, Elasticsearch

  • Frameworks

    Core Location

  • Libraries/APIs

    Puppet.js

  • Industry Expertise

    Telecommunications

Certifications

  • Certified Kubernetes Application Developer
    SEPTEMBER 2020 - SEPTEMBER 2023
    Linux Foundation
  • Certified Kubernetes Administrator
    SEPTEMBER 2020 - SEPTEMBER 2023
    Linux Foundation
  • Terraform Associate
    SEPTEMBER 2020 - SEPTEMBER 2022
    Hashicorp

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