[Outsource:64427] System Administrator -- please respond at archana@usmsystems.com

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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