IgnitionOne, a global leader in digital marketing solutions, enables companies to integrate cross-channel marketing efforts within one platform, allowing for deeper insights and greater online success. Managing over $1 billion of advertising annually across search, display and social, IgnitionOne provides the world's top marketers with media optimization, cross-channel attribution and website conversion solutions. IgnitionOne's solutions are backed by proprietary, best of breed technology: IgnitionOne's Digital Marketing Suite®. IgnitionOne currently powers more than $30 billion in revenue each year for leading brands, including General Motors, DirecTV, Ann Taylor, La Quinta, Travel Guard and Fiat, as well as advertising agencies such as MRM Worldwide and CyberAgent. Work in a dynamic, entrepreneurial environment alongside some of the smartest thought leaders in the online media industry from places like Ask Jeeves, excite, and iWon. Be part of a team that partners with Google, Yahoo, and MSN to deliver the latest in emerging, next-generation technology. Have fun collaborating on innovative, challenging assignments where your opinion matters, you grow professionally and high performers are recognized and rewarded. And join a company on the cutting edge of digital media and technology that is regularly featured in major news media - most recently the Wall Street Journal, NY Times, Reuters, BusinessWeek, Bloomberg News and AdWeek, among others. Position Summary: The System Operations team is responsible for implementing and maintaining all server systems throughout the IgnitionOne network with datacenters in Atlanta, Las Vegas, London, Brussels, and Hong Kong. The Ops team as a whole covers a broad range with knowledge on everything from datacenter management, to Linux configuration and administration, to Windows server administration, to SAN administration. System Operations is one part of the Operations team that supports the organizational network and technology needs and new product development across all platforms and products. The Systems Administrator role does not stop at maintaining systems, but bleeds into the world of DevOps and application monitoring. Primary Duties and Responsibilities: The Senior System Administrator's main responsibility is implementing and maintaining servers and infrastructure needed to support a growing customer base. This includes installing and configuring, Debian Linux, Windows servers, and all of the supporting hardware for such systems. Some application and database configuration management is also part of the day-to-day duties. This includes configuring and maintaining IIS, apache, tomcat, MySQL, MSSQL, memcached, Cassandra, AWS, and various other applications and services as needed. Systems are also maintained and monitored via tools such as Puppet, Zabbix, Nagios, and Foreman. The Senior System Administrator is also responsible for configuring such monitoring and management systems and reacting to alarms as needed. IgnitionOne is looking for motivated individuals who can take on projects and help identify ways to improve our customer experience. This includes identifying potential changes in Operational processes and creating scripts and tools to increase productivity, performance, and stability for the organization as a whole. The person who fills this position is expected to have extensive experience implementing and administering Linux and Windows servers. This person also expected to have a good working knowledge of LAN and WAN technologies, including switching, routing and load balancers. All members of the Engineering team are expected to be able to jump in on customer issues as they arise. This includes interfacing with our DevOps, Dev, and networking teams. In addition, all members are expected to participate in an on call rotation. Experience and Skills: Specific Responsibilities Install and maintain virtual machine infrastructure including, but not limited to both Debian Linux and Microsoft Windows systems Perform OS tasks including kernel tuning, network settings, and other configuration tasks Familiarity with creating packages for yum or apt a plus Provide technical assistance to the rest of the team Perform OS and application hardening by installing security-related patches. Perform system and network security analysis and remediation. Perform system management: disk , file system, and volume management AD administration, including account management, adding/removing machines to domain. Participate in a regular on-call rotation