System Admin
Astreya - San Francisco Bay Area, CA

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Skills Required:
  • 5+ years experience with Bash scripting, 2+ years experience with Expect scripting desired
  • Managing AWS infrastructure via Amazon Management Console using Amazon native tools and RightScale, using RightScale native scripts and interface, including recovery of failed instances
  • Experience of CloudCheckr service and implementation of the service‚Äôs practices in AWS
  • Network connection troubleshooting, from ports to firewalls to RightScale security groups
  • Setup of Puppet nodes, classes, templates
  • Backups setup and rotation
  • Log archival and rotation
  • Creation, maintenance, troubleshooting and recovery of VirtualBox virtual machines
  • Managing pfSense products, including firewalls, DHCP servers, OpenVPN, PPTP VPN, DNS forwarding, NAT mapping, routing rules setup
  • Debian package management, recompilation of deb packages given specific contents, build release management, build release reversal
  • Linux driver modules, mapping modules to packages, relationship between driver modules and firmware
  • DNS setup, e.g. DNSMadeEasy
  • Apache configuration setup, including SSL certificates, Alias directives, RewriteRules, VirtualHosts
  • Knowledge of Pingdom alerts, their setup and configuration
  • In-depth experience of Linux automation, scheduling

Duties:
  • 24x7 support of Production SaaS environment
  • Management of AWS infrastructure
  • Apache configuration according to required specs
  • DNS management from global DNS services to local /etc/hosts files
  • Network troubleshooting within office LAN and AWS cloud
  • Creation of Bash and expect scripts for backups, log rotation, Engineering tasks, machine cloning, Debian package creation
  • Monitoring of performance graphs, alerts, proactive maintenance
  • Build release to QA and Production web servers, build reversal
  • Setup of scheduled tasks, synchronization between servers
  • Deployment of centralized configuration management system

Astreya - 16 months ago - save job - copy to clipboard