Senior Unix System Administrator

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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 Red Hat Linux;
• Extensive experience with Virtualization;
• Experience working with clustered / load-balanced servers;
• Expert in Shell, Perl, and/or Python scripting;
• 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) including SELinux;
• 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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