Senior System Engineer
2013 - 2016Bonial International GmbH- Introduced CI pipeline and style guide for Puppet development (tests, code reviews).
- Performed multiple upgrades of Puppet, from version 2 to 3 to 4.
- Grew the operations team, assisted HR in the hiring process, and onboarded new colleagues.
- Developed an internal tool to automate Terraform usage with multiple accounts.
- Consolidated manual procedures into automated ones using automation tools like Fabric (Python).
Technologies: Amazon Web Services (AWS), Duplicity, Box Backup, Linux, OpenLDAP, Datadog, Gerrit, Jenkins, Boto, Fabric, Python, PostgreSQL, Apache Tomcat, JVM, Apache, NGINX, Icinga, Puppet, Terraform, Docker, Ganeti, Debian, Rackspace CloudSenior System Engineer
2011 - 2013Spreaker- Managed cloud infrastructure stability and scalability.
- Replaced Bash scripts with Puppet to manage the infrastructure.
- Deployed monitoring/visibility solutions like Graphite, Zenoss Core, statsd, and ELK.
- Supervised major upgrade of mid-sized PostgreSQL instances to leverage newly introduced streaming replication.
- Codified common tasks into automation tools like Fabric (Python).
Technologies: Sphinx Search Engine, MongoDB, Kibana, Elasticsearch, Logstash, StatsD, Carbon, Graphite, Redis, PostgreSQL, Libraries, Boto, Fabric, Automation, Python, Core, Zenoss, Sensu, RabbitMQ, NGINX, PHP-FPM, Vagrant, Puppet, Amazon Web Services (AWS)System Engineer, Co-Founder
2010 - 2013Devsum- Architected, designed, expanded, deployed, and monitored systems and networks infrastructures.
- Supported cloud solution architectural and management decisions.
- Selected and decided on technical strategies and new technologies to adopt and support sales/marketing decision making.
- Searched for new leads and developed new business relationships.
- Assisted clients in technological planning.
Technologies: BackupPC, Iptables, Samba, OpenVPN, OpenSSH, Munin, Monit, Apache HTTP Server, Vtiger CRM, Puppet, FreeBSD, LinuxSystem Engineer
2008 - 2010Studio Synthesis Srl- Architected, designed, deployed, and monitored cloud infrastructures (both public and private) to run business intelligence services.
- Monitored and troubleshot local physical systems and networks.
- Monitored and managed on-site physical systems and networks for customers.
- Contributed to development of PHP modules for vTiger CRM open source software.
- Implemented and monitored backups.
Technologies: PBX, Asterisk, Pentaho, BIND, Apache HTTP Server, Vtiger CRM, Iptables, Firewalls, TrueCrypt, Linux Servers, Windows ServerLinux System Administrator
2007 - 2008Informed Technology Pty Ltd- Managed and monitored the overall behavior of the internal network.
- Managed different kinds of backups solutions.
- Performed services migrations between different OSes.
- Provided phone and email support for corporate customers.
- Troubleshot Linux servers issues on site (e.g. networking, firewalls misconfigurations).
Technologies: BIND, Cyrus, Sendmail, Iptables, Bacula, Stunnel, RSync, OpenSSH, Apache, LDAP, Solaris, Linux