System Administrator
Cupertino CA
6 Months
Administration of production, staging and test servers
- Setup.
- Configuration.
- Maintenance and Update.
- Monitoring.
Maintenance, Monitoring, Improvement and Performance Optimization to the production infrastructure
- Servers redundancy.
- Switchover and Failover procedures.
- Data replication reliability.
- Data Backup and Recovery procedures.
Development of monitoring, maintenance, and automation tools
- Data replication health monitoring.
- Systems health monitoring.
- Periodic data purges.
- Manual tasks automation (Setup, maintenance, ...).
Documentation (setup, configuration, dependencies, switchover and failover procedures, ...)
Drive production platform evolution
- Investigate, prototype, deploy technologies to Improvement our current infrastructure reliability.
- Investigate, prototype the migration of our solution over to Linux.
- Work closely with Business Intelligence (BI) team to define and implement strategy to hand off Solis IT infrastructure.
Key Areas and Technologies of Focus
Xserve Hardware Configuration
- Lab installations
Xserve Software Installation
- OS X
- Tomcat
- mySQL
OS Configuration
- Server admin tool configuration
- System accounts
- Network
- DNS
- SSL keys
- SSL certifications
- Disk mirroring
- Lights out Management account
Solis Configuration
- LauchD daemons (email processor, data parsers, tomcat, ...)
- File system layout (key files and directories, radar packages, ...)
- Tomcat customization and configuration (connectors, ...)
- mySQL configuration (customized parameters, replication parameters, ...)
- System accounts (Radar, PDCA, ...)
Replication
- mySQL (master/slave DB replication)
- File system replication (rsync based)
Data Backup
- Periodic database dumps (scripts)
- Time Machine
Overall Skills Required
- Xserve installation and administration
- OS X Server installation and administration
- Tomcat App server deployment and configuration
- mySQL DB and replication deployment, configuration and administration
- Scripting (Perl, Unix Shell, ...)
- Linux Server installation and administration a plus
- Understanding of multi-tiered web applications production architecture a plus
Archana
703-955-4924
archana@usmsystems.com
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