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System Administrator

Level in organisation

Reports to IT Manager

Essential duties and responsibilities include the following. Other duties may be assigned.

Operate production server consisting of 10+ linux servers (mail, dns, ssh, apache, mysql) in a replicated environment.
Design and implement a fully automatic backup system
Design and implement a fully automatic monitoring program with sms notifications
Design and implement a Firewall protection scheme
Follow system updates and security patches
Review replication environment, improve and test fail over
Administrate mailboxes of various enterprises
Establishes/recommends policies on system use and services.
Provides technical lead and/or supervises system administrators, system programmers, or others of equivalent seniority.

Strong inter-personal and communication skills; capable of writing proposals or papers, acting as a vendor liaison, making presentations to customer or client audiences or professional peers, and working closely with upper management.
Ability to solve problems quickly and completely.
Ability to identify tasks which require automation and automate them.
A solid understanding of Linux operating system; understands paging and swapping, inter-process communication, devices and what device drivers do, filesystem concepts ("inode", "superblock"), can use performance analysis to tune systems.
A solid understanding of networking/distributed computing environment concepts; understands principles of routing, client/server programming, load balancing, the design of consistent network-wide filesystem layouts.
Ability to program in an administrative language (Tk, Perl, a shell), to port C programs from one platform to another, and to write small C programs.

More than 2 years previous systems administration experience.