Senior Software Engineer

1/2015 – 10/2016

- Deploying, maintaining and updating services using the following technologies HAproxy, MySQL, MongoDB, Cassandra, SOLR, Zookeeper, Mesos, Graylog etc.
- Creating and maintaining infrastructure for monitoring of running services and applications including alerting (Zabbix, InfluxDB, Grafana, Datadog, Opsgenie, Pingdom, etc.)
- Deploying, maintaining and monitoring instances and services running in AWS and S3
- Collecting and analyzing log files from running services and applications
- Managing network infrastructure (Cisco switches, L3 switches, routers and firewalls)

mySQL, Cisco Firewalls, Firewalls, Router / Gateways, SAN / NAS, Telekommunikation / Netzwerke (allg.)

3/2013 – 12/2014

- Deploying, maintaining and updating services usng the following technologies HAproxy, MySQL, MongoDB, Cassandra, SOLR, Zookeeper, Mesos, Graylog etc.
- Maintaining infrastructure for monitoring of running services and applications including alerting (Zabbix, InfluxDB, Grafana, Datadog, Opsgenie, Pingdom, etc.)
- Maintaining and monitoring instances and services running in AWS and S3
-Collecting and analyzing log files from running services and applications
- Working for some time in office in San Jose, CA

mySQL, SAN / NAS, Dienstleistung (allg.)

9/2002 – 2/2013

- 2nd level Support of Keria products: Phone and email communication with partners and customers from all around the world (in English and Czech language)
- Creating topology of computer networks for customers and solving their issues with network communication, firewall configuration and
- Making presentations for partners and other team members (in English and Czech language)
- Writing knowledge base articles (in English and Czech language)
- Passing knowledge on to other team members and solving issues which first level support staff were not able to handle
- Working for some time in office in Cambridge, UK

Firewalls, 2nd & 3rd Level Support, IT-Support (allg.), Konfiguration, Telekommunikation / Netzwerke (allg.), Rechnergestütztes Betriebsleitsystem (RBL), Kommunikation (allg.)