[Hiring] System Administrator @RTB House

Role Description

We are currently expanding two infrastructure teams:

• BOM (Backup, Orchestration, Monitoring) – focused on infrastructure automation, configuration management, monitoring systems and internal tooling.
• HW Infrastructure – focused on physical server infrastructure, hardware lifecycle, and deployment of new servers across our datacenters.

If you enjoy working close to large-scale infrastructure and solving complex system problems, RTB House might be the right place for you.

You Will:

• Manage and expand large-scale Linux server infrastructure running in multiple global data centers
• Monitor production systems and respond to infrastructure alerts and incidents
• Automate routine administrative tasks using scripts and infrastructure tools
• Support development teams by maintaining stable and scalable infrastructure environments
• Ensure system security, reliability, scalability and high availability

Depending on the team you join, you may also work on:

• BOM Team – Backup, Orchestration, Monitoring
  • Maintaining configuration management systems based on Puppet
  • Developing and maintaining monitoring systems and dashboards
  • Managing on-premise container platforms and infrastructure services
  • Maintaining backup systems and internal infrastructure tools
  • Supporting Machine Learning teams with GPU and storage infrastructure
• HW Infrastructure Team
  • Deploying and integrating new servers into production infrastructure
  • Maintaining physical server infrastructure across multiple datacenters
  • Managing virtualization and storage clusters
  • Troubleshooting hardware and low-level infrastructure issues
  • Participating in hardware capacity planning and performance testing of new components
  • Collaborating with datacenter technicians during infrastructure upgrades and maintenance

Qualifications

• 3+ years of experience in Linux system administration
• Experience working with production infrastructure environments
• Ability to write automation scripts (Bash, Python or similar)
• Understanding of Linux networking concepts (iptables, bridging, bonding, VPNs, network namespaces)
• Experience troubleshooting systems via Linux console
• Familiarity with container technologies and infrastructure tooling
• Ability to quickly learn new technologies and adapt to evolving environments
• Fluency in English (written and spoken)

Selected Technologies

• Linux
• Docker
• Git
• Kubernetes
• Puppet / Ansible
• Icinga
• Grafana
• Ceph
• DNS
• BGP
• Aerospike, PostgreSQL, MySQL, ArangoDB, InfluxDB

Benefits

• Work with large-scale infrastructure processing millions of requests per second
• Collaboration with experienced system administrators and engineers
• Opportunity to work with modern open-source infrastructure technologies
• Real impact on the development of a global AdTech platform
• Flexibility when it comes to work model and time
• Training, development and conference's attendance budget
• Friendly work environment and supportive team culture
• Office location near Wilanowska metro station in Warsaw