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Job Title: IT Systems Administrator
BlueTie’s Systems Administrators are the backbone to one of the largest hosted collaboration platforms in existence today. BlueTie’s infrastructure supports 100s of millions of HTTP, IMAP, POP, SMTP, and DNS queries per day, and processes 10s of millions of email transactions per day for millions of users worldwide.
BlueTie’s System Administrators are required to deploy and maintain a wealth of technology infrastructure in several BlueTie production data centers. The position requires the individual to participate in an on-call rotation and work well with others to troubleshoot, diagnose and repair system related issues. This position involves working closely with network administrators, peers, and engineering and department managers to ensure uninterrupted services to our end-users.
Administration and Maintenance of RedHat ES and CentOS Linux Server Clusters.
Administration and Maintenance of Microsoft Windows Server Clusters.
Administration of office PCs, network, printers, and Asterisk phone system.
Administration and Maintenance and Deployment of PostFix and Cloudmark Mail Exchange Clusters, POP/IMAP and SMTP Clusters, Apache Web Servers, OpenLDAP, Oracle, PostGres, Antivirus and Antispam Systems.
Response of Level-3 inquiries from Customer Service
Response to “on-call” automated pages and after-hours support escalations.
Minimum of two-years of related experience.
Ability to work occasional weekends, after hours, and duty-pager rotations.
Proficiency in the following:
Dell PowerEdge/Nimble/Sun hardware
Postfix, Cloudmark MTAs
Apache including mod_php, CGI, mod_rewrite, etc..
NAGIOS Network Monitoring Utility
Cacti (RRD-Tool) Monitoring Utility
Oracle, Postgres, and MySQL databases
Information Technology or related degree.
Experience managing robust, highly available email servers
Experience managing systems in a highly-available mission-critical environment.
Experience with OpenLDAP and Postgres database fundamentals
Experience configuring, managing and maintaining large mass storage arrays.