Senior Linux Systems Administrator
Proofpoint - Draper, UT

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At Proofpoint, you will find an environment where innovation comes from creative collaboration and where everyone is empowered to go fast and have fun; and if you find joy in taking the possible out of impossible, you will feel right at home with our team!

We are looking for an oustanding 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 5 customers).

Responsibilities include:
  • 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