Maintain production server farms. • Server installation, configuration, and maintenance.• Recommending, upgrading, and maintaining current Linux systems.• Database administration (MySQL)• Network configuration, and system security• Linux mail server.• Ability to work on weekends and holidays.Required Skills• Good English language skills.• Strong interpersonal communication skills; interacting positively with upper management.• Independent problem-solving, self-direction.• Comfortable with most aspects of operating system administration; for example, the configuration of mail systems, system installation, and configuration, printer systems, fundamentals of security, installing third-party software.• Has a solid understanding of a LINUX-based operating system; understands paging and swapping, inter-process communication, devices and what device drivers do, filesystem concepts (inode, clustering, logical partitions).• Familiarity with fundamental networking/distributed computing environment concepts; understands routing concepts.• Ability to write scripts in some administrative language (Shell, Perl, Python).