• 8+ years as a System Administrator, preferably in a client services environment.
• In-depth experience with Asterisk VoIP, Freeswitch, and SIP
• Expertise in PostgreSQL.
• Experience with automated regression testing and quality assurance tools.
• Solid understanding of efficient and secure networking, including IP protocol, firewall administration, software load balancers, routers, etc.
• Ability to troubleshoot hard/software and discuss issues with various stakeholders and create clear reports on issues and solutions.
• Experience programming with Ruby on Rails, Perl, PHP, and Shell Script.
• Solid experience with planning, performance tuning and execution of environment scaling.
• Detail oriented with excellent analytical and diagnostic skills.