Senior Systems Administrator
O'Reilly Media - Cambridge, MA

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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

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

Linux Certification

RHCE, LPI or modern equivalent.

Experience with High Availability Service Clustering