A Senior UNIX Systems Administrator with 17 years of experience and expertise with open source software, skilled in the architectural design, implementation and maintenance of high-availability systems for all major networked services, possessing a strong background in system security and strong troubleshooting skills. Experienced in managing and growing teams to overcome challenges and work together to beat targets. Experience working remotely. Experience in maintaining thousands of Linux servers. Experience in providing reliable, scalable, highly-available services (instant messenger, rotating banner system, online games, video streaming, social network). Proven technical troubleshooting and performance tuning experience. Experience in managing a variety of telecommunications services. Experience in implementation of company-wide LDAP infrastructure, including schema design, replication, redundancy. Experience with writing infrastructure-as-code (Ansible, Salt, CFEngine & Puppet). Extensive experience with any enterprise monitoring systems like Nagios, Zabbix, NetXMS, Graphite, Prometheus. Extensive programming in Bash and Python.
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