The Senior Systems Administrator is responsible for maintaining the systems, software, and services for O'Reilly Media, Inc.. This includes, but is not limited to, creating, optimizing, and securing the servers and networks. Additional tasks include installing/configuring new hardware, system performance tuning and general maintenance (logs, backups, etc.). The SSA is also responsible for monitoring the systems and services and planning for upgrades and future expansion. This position is located in Cambridge, MA. and will report to the Manager, Systems Administration.
Install, maintain and repair system hardware
Install, maintain, configure and upgrade Operating System and application engine software
Document system and application engine configurations
Monitor system, application, and network performance/availability
Plan for system, network and software upgrades to satisfy projected growth and new projects
Execute on implementation and execution of project plans
Monitor and respond to customer problems reported via email and support ticket system
Establish and recommend policies on system use and services
Actively recommend improvements to company infrastructure
Keep apprised on new developments in the hybrid cloud solutions
Carry a pager on rotation with other Systems Administrators and provide one hour or less response time
KNOWLEDGE, SKILLS AND ABILITIES:
Expert knowledge of one operating system (Linux/UNIX) and working knowledge of a second operating system (MS Windows).
Expert knowledge of at least one SQL database (MySQL/PostgreSQL).
Advanced knowledge of at least one programming language (such as BASH,Perl,Python,Ruby) and fundamental knowledge of web processing/design and software development
Advanced knowledge of VMware vSphere 4 or 5
Advanced knowledge of SAN Storage Systems (NetApp)
Advanced knowledge of Internet technologies like TCP/IP, DNS and HTTP
Working knowledge of Ubuntu Linux and Gentoo Linux OS
Working knowledge of network topology and security.
Ability to organize multiple tasks and priorities for personal and project time management with little supervision
Ability to solve technical and system issues with little to no supervision
Excellent oral communication skills and good writing skills
Bachelor (4-year) degree, with a technical major, such as engineering or computer science or equivalent work experience
4+ years experience in Systems Administrator role
RHCE, LPI or modern equivalent.
Experience with High Availability Service Clustering