PPS Senior Linux Administrator
Proofpoint - Sunnyvale, CA

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We are looking for an outstanding LSA with previous experience working in a highly-available production environment (e.g., we're running at 99.999%) that can support large-scale customers in the cloud (e.g., we have multiple Fortune 500 customers).

  • Manage an international 24x7 multi-site production infrastructure powering the Proofpoint services, including deployment, maintenance, troubleshooting, performance tuning, and security
  • Contribute to the evolving design and architecture of reliable and scalable infrastructure
  • Ensure proper monitoring, alerting, capacity planning and reporting in the production environment
  • Develop processes, tools, and documentation in support of production operations
  • Evaluate new software, hardware and infrastructure solutions
  • Participate in an on-call rotation and be willing to jump on escalated issues as needed
  • Train and mentor junior staff to improve their ability to support the environment
Required skills and experience:
  • Demonstrable skills and 5+ years experience managing, troubleshooting, and tuning Linux systems
  • Experience automating management of systems and applications using Perl, Python, or Ruby
  • Experience with industry-standard foundation technologies such as DNS, SMTP, NTP, LDAP, and NFS
  • Experience managing a large distributed computing environment
  • Experience with industry-standard operational practices such as change management, incident management, and working in colocation datacenters.
  • Excellent verbal and written communication skills
Desired skills and experience
  • Experience operating production Internet-facing services for large enterprise customers
  • Experience managing multi-tier web services using technologies such as Apache web server or Tomcat, Java applications, and MySQL
  • DevOps experience working in a configuration management framework such as Puppet, CFEngine, or Chef
  • Experience troubleshooting and upgrading Puppet
  • Experience with monitoring and alerting systems such as Nagios, Cacti, and Ganglia
  • Experience with F5 or HAProxy load-balancing technologies
  • Experience with CentOS or Red Hat Enterprise Linux (RHEL) and creating RPM packages. RHCE is a plus
  • Experience with VMware vSphere, ESX or ESXi, and vCenter
  • Experience with OpenStack or KVM virtualization technologies
  • Experience with public cloud providers such as Amazon EC2 or Rackspace Cloud
  • Experience managing Hadoop or Cassandra services

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