Andres Montalban

Andres Montalban

Montevideo, Uruguay
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Andres Montalban

Andres Montalban

Montevideo, Uruguay
Member since August 7, 2014
As a highly experienced system administrator, Andres has extensive knowledge of Linux and Unix platforms. His expertise in server environments covers the spectrum of Linux distributions. In addition, Andres has worked in the networking field using Cisco for firewalling, switching, and routing.
Andres is now available for hire
Portfolio
  • Global IT Solutions
    Linux, Apache, NGINX, HAProxy, SaltStack, Puppet, VoIP, Asterisk, FreeBSD...
  • inConcert
    VoIP, Asterisk, Linux, Windows, Datacenters, Co-Location, Cloud Computing, MSSQL
  • Ikuna Media S.L.
    AWS, EC2, CDN, Wowza, Adobe Flash Media, MySQL, LAMP
Experience
  • SaltStack, 1 year
  • DevOps, 3 years
  • Linux, 12 years
  • CentOS, 7 years
  • Amazon Web Services (AWS), 5 years
  • Azure, 2 years
  • VoIP, 8 years
  • Bash Script, 8 years
Montevideo, Uruguay
Availability
Part-time
Preferred Environment
Linux, Git, SaltStack, HAProxy, NGINX
The most amazing...
...thing I've made is a fully automated code deployment using GitLab and SaltStack that pushes production code to five different data centers, including AWS.
Employment
  • CTO
    Global IT Solutions
    2012 - PRESENT
    • Provided support to customers using cloud computing technologies like Amazon Web Services, Rackspace, Azure, etc.
    • Deployed high availability platforms with tools like HAProxy, NGINX, DRBD, Keepalived, Percona XtraDB Cluster, etc.
    • Coached new employees and partners in Linux, Networking, 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.
    • Created a Puppet Module for a client to install and configure WildFly (https://github.com/amontalban/puppet-wildfly).
    Technologies: Linux, Apache, NGINX, HAProxy, SaltStack, Puppet, VoIP, Asterisk, FreeBSD, EC2, AWS, Bash, Virtualization, Cloud Computing, Networking
  • Senior Sysadmin
    inConcert
    2011 - 2013
    • Supervised seven PoP datacenters in USA and Spain providing mission critical VoIP services to customers worldwide.
    • Installed, maintained, and supported more than 50 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‚Äôs private cloud infrastructure.
    Technologies: VoIP, Asterisk, Linux, Windows, Datacenters, Co-Location, Cloud Computing, MSSQL
  • Senior System Administrator
    Ikuna Media S.L.
    2010 - 2012
    • Migrated mission critical system from a dedicated server to a highly available 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 thousand viewers all over the world.
    • Reviewed company web platform performance supporting several thousand of hits per day for customers like EFE News, Telemundo, and Telefonica, resulting in up to 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 in new technologies and best practices to achieve high availability and performant services.
    Technologies: AWS, EC2, CDN, Wowza, Adobe Flash Media, MySQL, LAMP
  • Owner
    AM Technology & Systems
    2009 - 2012
    • 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 USA and Australia.
    • Supported Windows corporate systems with AD, Exchange, and IIS.
    • Migrated hosting servers between providers with hundreds of sites without downtime.
    Technologies: Linux, Unix, FreeBSD, Windows, Exchange, Asterisk, Zimbra, LAMP
  • CTO & Co-Founder
    IT Business
    2006 - 2009
    • 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: Linux, Cisco, FreeBSD, Networking, Telecom, VoIP, Asterisk, Windows
  • NOC Supervisor
    Diveo Uruguay S.A.
    2005 - 2006
    • Supported the company and customer networks that consisted in 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: Linux, Cisco, Ericsson Tellabs, Harris, RAD, PDH/SDH, ATM, Frame Relay, Wireless Networks, Solaris, Windows NT/2000
Experience
Skills
  • Tools
    SaltStack, Git, Vim, Tmux, GCC, GDB, Puppet, Hyper-V, Gimp, RPM
  • Paradigms
    DevOps, Cloud Development
  • Platforms
    LAMP, Amazon Web Services (AWS), CentOS, Debian Linux, SoftLayer, Linux, Red Hat Linux, Rackspace, Mac OS X, FreeBSD, Windows Server, Xen, Embedded Linux, Solaris
  • Storage
    Azure, PostgreSQL, MySQL daemon, LVM, Cassandra
  • Misc
    VoIP, Big Data
  • Languages
    Bash Script, SQL, PHP
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