Linux System Administrator

Ideal candidate

• is smart, passionate about technology, particularly free software/open source technologies like Linux/*BSD, Apache httpd, Database systems (MySQL/PostgreSQL), PHP/Perl/Python;
• is self-driven, reads technology articles and shares his/hers knowledge;
• finds the root cause of a problem, fixes it and then goes to document his/hers findings;
• needs to have exceptional communication skills and enjoy interacting with both technical and non-technical people.

Responsibilities:

• involved in the day to day operations of administering the company's internal and clients' systems;
• deploys new services of the company's internal and clients' systems;
• monitors the systems, quickly diagnoses, responds and fixes problems;
• supports the development teams;
• automates tasks & configuration of Linux Systems;
• optimizes the services for performance and lower resource usage;
• performs migrations between infrastructures and/or technologies;
• researches and implements new technologies

Requirements

• strong experience in the Linux operating system administration;
• Linux processes and inter-process communication knowledge
• hardware and networking knowledge (TCP/IP, DNS, VPN, Routing);
• subversion repository administration and usage;
• knowledge of database servers administration (MySQL, PhpMyAdmin/Postgre SQL);
• knowledge of web application servers administration (Apache httpd/Apache Tomcat/nginx);
• knowledge about monitoring systems (Nagios);
• strong experience with SSH, SMTP/POP3/IMAP/Webmail (Postfix, Exim, Dovecot, Courier, etc.), DNS;
• experienced with at least one of the scripting languages: bash, Perl, Python;
• constant awareness of security issues regarding the technologies and environment he's involved with;
• experienced with SSL, iptables, IDS, File Integrity Monitors;
• knowledge about AWS, Azure, Rackspace and/or other Cloud providers;
• knowledge about Cloud Infrastructures, IaaS, PaaS, VMware, OpenStack, Xen
• ability to prioritize tasks and meet deadlines;
• ability to work within a team and under own responsibility;
• problem solving and organizational skills
• strong verbal and written communication skills using English language;
• university degree (IT) or technical background.

Considered to be a plus:
• one or more of the following certifications: CCNA, RHCE/RHCSA, LPIC, etc;
• knowledge about configuration management systems (Puppet, Chef, SaltStack);
• advanced database administration skills (replication, high availability);
• work experience with cloud infrastructure (Amazon, Rackspace, Azure).