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Linux Software Developer

Location: Sunnyvale, CA


The appliance engineer will embrace, adapt, and extend Proofpoint's on-premise platform to deliver resilient, scalable, and dynamic on-demand application access for enterprises worldwide (through private or public clouds). Our ideal candidate will possess a deep understanding of the Linux ecosystem, have solid scripting/programming skills, and a strong understanding of how all the pieces of a Linux distribution fit together.

Responsibilities include:

  • Participating in requirements analysis, architectural discussions, code reviews, and change control discussions for future appliance generations
  • Evolving the interface between the application and the appliance platform to include virtualization
  • Developing strategies and tools to manage the application and platform in a cloud environment


  • 3+ years of experience in enterprise-level UNIX system engineering with significant and recent experience on Linux platforms, especially RedHat/CentOS, including package management (installation & building RPMs) and previous experience modifying and rebuilding the Linux kernel (e.g., adding support for new hardware to kickstart boot disks)
  • Solid programming skills in Perl and / or Ruby
  • Technical familiarity with networking protocols like HTTP, SSL and SMTP
  • Understanding of server hardware components, such as RAID, remote console
  • Understanding of distributed systems architecture, including multithreading & concurrency issues
  • Good understanding of virtual infrastructure (e.g., VMware, Xen, KVM)
  • Bonus points for knowledge of IPv6
  • Bachelors CS/Computer Engineering/related field, or equivalent experience


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 in 2012.

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 is an equal opportunity employer and welcomes applications from all qualified individuals regardless of race, sex, disability, religion/belief, sexual orientation or age.

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