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Senior DevOps Engineer/ Senior System Engineer (m/f)

ZenGuard GmbH

Berlin

IT

Beginn: April 2014

Anstellungsverhältnis: Vollzeit

Berufserfahrung: Mit Berufserfahrung


We’re a diverse team of highly skilled experts recruited from all over the world. United by our passion to see a free and open internet , we're working hard to bring you the privacy and security you deserve online. We believe that people have the same right to privacy online as they do in their everyday life and are happily, ridiculously and irretrievably committed to unleashing the full potential of the internet, regardless of where you are.

Our worldwide server architecture is growing fast and we're looking for a very experienced DevOps Engineer / Systems Engineer with strong expertise in network and server security and with scalable systems. We are building a highly automated and autonomous server fleet – become the captain and join us!

Your Tasks

  •  Mastering and improving our Chef code to develop and expand our server fleet
  •  Maintaining and upgrading our growing server infrastructure (bare metal & cloud)
  • Working closely with our backend-devs on architectural and implementation decisions
  • Successfully delivering continual improvements to production
  • Configuring and optimizing services currently running on our servers
  •  Find and evaluate good dedicated server offers from all around the world
  • Performance-tuning (Sysctl / TCP stack) for massive connections and maximum throughput
  • Constantly creating solutions for increasingly amounts of throughput and requests
  • Monitoring a fleet of production nodes and creating a contingency plan in case of errors


 Keeping an eye on increasing demands, notice bottle necks, implement ressource planning

  • Researching and introducing new technologies, notice bottle necks
  • Ensuring security for all our data and hardening our stack
  • Writing scripts or configuring Chef to automate tasks
  • Maintaining and monitoring backup solutions
  • Problem diagnosis and troubleshooting
  • Communication with monitoring service provider and hosting provider


Your Profile

  • Experience in maintaining and scaling big (>50+ remote server!) server infrastructures
  • Experience with Nagios, Ganglia, Chef, HAproxy & complex failover architectures
  • Ability to hack code (ruby, python,...) is important
  • You know your stack and keep up2date on recent developments (eg. docker)
  • Your first reaction to an unknown problem is to Google the error message super fast
  • Professional experience with high-availability solutions
  • Understanding and experience of security of systems and networking
  • If you have to do things twice, you do it once and automate
  • A lot of experience with Linux operating system
  • Able to work on own initiative as well as part of a team
  • Tuning wizard using Sysctl etc. to squeeze max. Performance out of the machines
  • Good command of (IT-related) English
  • Comfortable with working mostly at the command line
  • Solid understanding of Computer Science fundamentals
  • You have a RRD graph poster hanging in your living room ☺
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