Senior Linux System Administrator
Proofpoint, Inc. - Sunnyvale, CA

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  • Sunnyvale, CA
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).

Duties/Responsibilities:
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 skill

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

Proofpoint, Inc. helps the largest and most successful companies in the world protect and govern their most sensitive data. Founded in 2002 by the former CTO of Netscape and headquartered in Sunnyvale, CA, Proofpoint was funded by top Silicon Valley investors, including Benchmark Capital and Mohr Davidow Ventures before going public earlier this year.

Please note that Proofpoint does not accept unsolicited resumes from recruiters or employment agencies. In the absence of a signed Recruitment Services Agreement, Proofpoint will not consider or agree to payment of any referral compensation or recruiter fee. In the event a recruiter or agency submits a resume or candidate without a previously signed agreement, Proofpoint explicitly reserves the right to pursue and hire those candidate(s) without any financial obligation to the recruiter or agency.

Proofpoint, Inc. - 2 years ago - save job - copy to clipboard