SENIOR UNIX SYSTEM ADMINISTRATOR

Role:

As a Senior Unix/Linux System Administrator will be responsible for managing the daily operations of iSoftBet network, servers and storage area network in the data center. This person will be designing/developing/deploying/documenting and managing future network and system solutions to meet company’s needs. He/she will participate in technical research and development to enable continuing innovation within the infrastructure.

Required qualifications:

  • Bachelor’s Degree in Computer Science or Information Systems or equivalent work experience;
  • 5+ years of progressively responsible work in Unix or Linux server administration preferably in a medium to large enterprise;
  • Extensive experience with Cent OS;
  • Extensive experience with Virtualization;
  • Experience working with clustered / load-balanced servers;
  • Expert in Shell (Perl, and/or Python scripting representing a plus, but NOT MANDATORY)
  • Experience with MySQL, Apache configurations, web server admin tasks and with FCGI and CGI particularly;
  • Knowledge with OS and network security (firewalls and system hardening)
  • Solid knowledge of protocols such as DNS, HTTP, LDAP, SMTP and SNMP;
  • In-depth knowledge of TCP/IP, DNS, NFS and Sendmail and as well knowledge of Raid, Fiber Channel Storages;
  • Ability to work independently or in a team atmosphere;
  • Fluency in English (written and spoken)

Preferred qualifications:

  • Storage virtualization and SAN experience;
  • Experience with NAS (network attached storage) solutions;
  • MySQL Optimization, Backups, and Replication or SQL and DBA experience;
  • Experience with any scaling solutions for MySQL;
  • Strong troubleshooting and complex problem management skills and personal discipline;
  • Teachable attitude/willingness to learn, desire to constantly learn and improve upon oneself and the organization;
  • Ability to handle multiple and changing priorities along with fluctuations in workload.

Responsibilities:

  • Perform design, implementation and administration of hardware and software systems including, but not limited to:

– ISCSI, NFS, and Fiber based storage;

– RedHat Enterprise Linux 5,6,7;

– Web/Application Servers (Apache, NGINX, MySQL, Tomcat);

– Backup/recovery systems;

– Monitoring systems (Zabbix, Nagios, Cacti);

– NoSQL DB (MongoDB);

– Elasticsearch;

  • Enhancing documentation of environments;
  • Automate applicable processes using scripting skills (shell, perl);
  • Contribute to on-call rotation for 24×7 support;
  • Participate in scheduled off hours monthly maintenance activities;
  • Train users and cross-train IT staff as needed;
  • Ensure system backups are executed regularly and efficiently;
  • Ensure system security through use of tools and standard processes;
  • Work with vendors and service providers as needed to resolve issues and ensure best practices are followed;
  • Collaboration within the team in order to achieve the requirements above.
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