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System Administrator

Warsaw, Masovian Voivodeship, Poland

Location: Poland

We Are:
RTB House is a global company that provides state-of-the-art marketing technologies for top brands and agencies worldwide. Its proprietary ad-buying engine is the first in the world to be powered entirely by Deep Learning algorithms, enabling advertisers to generate outstanding results and reach their goals at every stage of the funnel. 

Responsibilities

  • Expand and manage server infrastructure
  • Research and testing of new solutions (mainly open-source)
  • Monitoring of production system operation
  • Automation of routine operations
  • Supporting developers teams
  • Taking care of system security, scalability, high availability
  • Managing documentation
  • Creating and developing checks for the monitoring system (mainly Python and Bash)
  • Responding to alarms in monitoring - problems solving, basic diagnostics, escalation
  • Maintenance and/or development of the following systems and solutions:
    • Backup
    • Orchestration
    • Monitoring
    • DNS
    • Kubernetes
    • Databases: Aerospike, PostgreSQL, ArangoDB, InfluxDB
  • Integration of selected components into a whole (code changes, integration, etc.)

Key selling points

  • 4 data centers (EU, APAC, US East i US West)
  • You will be managing infrastructure that processes 20 million of HTTP requests per second - Thousands of servers
  • Open Compute Project (OCP) hardware
  • We mainly use Open Source solutions
  • We use and create advanced monitoring tools

Must-have skills & competencies

  • Git
  • Docker
  • Understanding of Linux networking innerworkings: iptables, bridging, bonding, network namespaces, VPNs etc.
  • Understanding of Linux boot process and disks encryption tools
  • Diagnose hardware and processes via linux console
  • Easily write simple scripts (in one of the: Bash, Perl, Python, Ruby, Go)
  • Ability to quickly learn new tools and skills
  • Languages: Polish, English
  • Knowledge of English at a level that allows the creation and understanding of technical documentation and communication with remote hands in datacenters

Nice to have skills & competencies

  • RHCE
  • BGP (Bird , FRR, GoBGP)
  • Puppet/Ansible
  • Kubernetes
  • Icinga
  • DNS
  • Aerospike, PostgreSQL, MySQL,InfluxDB

Expectations

  • Inquisitiveness, diligence, communicativeness
  • A sense of humor and a positive attitude to the world
  • Commitment to entrusted projects and creative approach to problems
  • Taking responsibility for tasks, conscientiousness and on time delivery

What we offer

  • Cooperation in a team of experienced administrators and programmers
  • Tasks resulting from the company's actual internal needs
  • Friendly atmosphere
  • Possibility of remote provision of services
  • Integration and training budget
  • The kitchen is equipped with good coffee, tea and cocoa
  • Good office location (right next to the Wilanowska metro station in Warsaw)

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