Linux Systems Administrator (B39190674)

Location: Montreal, Quebec, Canada
Date Posted: 07-05-2018
Position Description:
The successful candidate will be responsible for providing overall management, administration and support to clients web serving and live streaming infrastructures, including systems, application software, services, databases and security.
 
Job Duties:
  • Manage, maintain and monitor all web servers for production, QA and development environments. Environment mainly consists of Linux (CentOS / Redhat) running on OpenStack
  • Setup new servers (VMs), configure hardware, services, settings and storage in accordance with operational requirements.
  • Design, develop, implement and maintain automated systems that enable to creating, patching and configuration management of large pool of VMs.
  • Install, configure and optimize all web application such as Tomcat, Apache, Nginx, Varnish
  • Setup, configure, administer and secure database servers and clusters (MySQL/MongoDB/CouchDB) Perform required performance tuning. Provide SQL optimization support to web development teams.
  • Provide primary technical support to achieve departmental objectives and initiatives relating to live and on-demand audio and video streaming.
  • Assist web development teams with web applications and databases load testing
  • Manage and maintain security policies relating to systems and applications
  • Ensure that appropriate backup strategies of all systems and databases are properly managed, monitored and tested in order to minimize downtime and to reduce retrieval times to a minimum
  • Work with hardware and software suppliers regarding support contracts and technical issues.
  • Monitor application performance, carry out hardware upgrades and resources optimization, when needed
  • Maintain proper documentation on systems and procedures.
  • Ensure proper use of project/ticked management tools.
  • This position also requires sharing on-call duties for technical support in order to ensure site availability 24/7
 
Critical Qualifications:
  • 3+ years of experience in a similar position
  • Very solid experience with Linux operating system, mainly CentOS and Redhat Server
  • Extensive knowledge of Java, Tomcat, Nginx, Squid, Varnish and JBOSS software applications.
  • Experience with database creation and administration with MySQL/MongoDB/CouchDB and strong skills in optimization
  • Experience with OpenStack environment and applications
  • Experience with Docker and Docker Swarm
  • TCP/IP and network fundamentals
  • Extensive knowledge of server management tools and monitoring tools (e.g. Satellite/Puppet/Ansible, Nagios, Centreon, LDAP, Elasticsearch, logstash)
  • Good general knowledge of technologies and web tools (PHP, JavaScript, XML, JSON, CSS, HTML…)
  • Good problem-solving skills, open-mindedness, willing to explore new technologies
  • Good experience with Object Storage
  • Scripting language literacy (e.g. BASH/PERL/PYTHON)
  • Proficient in high traffic web environment (Load Balancing/Caching) and troubleshooting website delivery issues.
  • Experience in working with content delivery networks (CDNs), Akamai or Limelight preferred
  • Experience with audio and video streaming technology is an asset
  • Experience with CMS platforms an asset (Polopoly)
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