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IONOS

Specialist System Engineer – DNS, Observability

IONOS

. Design, develop, and operate highly available Linux services with the squad .

Posted 10/21/2026full-timeBucharest • RomaniaMid-LevelSeniorWebsite

Core Competencies

Role fit
Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in designing and operating highly available Linux services, with a strong focus on configuration management, monitoring, and infrastructure improvement. Proficient in scripting and programming, with experience in AI-assisted infrastructure development and modern software architectures.

Highest-signal resume keywords
Linux System AdministrationConfiguration ManagementMonitoring ToolsScripting KnowledgeAI-Assisted Infrastructure Development

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills
LinuxDebianCentOSELIcinga2PuppetAnsibleGrafanaBashPython
Soft Skills
Excellent Communication Skills
Tools & Technologies
DockerCI/CDGitMicroservicesREST
Certifications & Qualifications
Computer Science Degree
Industry Keywords
Infrastructure ImprovementNetwork ServicesDNSBGPVLANsFirewallingIPv6

Tech Stack

Tools & technologies
AnsibleDNSDockerGrafanaJavaLinuxMicroservicesPuppetPythonGo

About the role

Key responsibilities & impact
  • Design, develop, and operate highly available Linux services with the squad
  • Own the full stack from hardware to application, including configuration management and monitoring
  • Drive continuous infrastructure improvement
  • Contribute to open-source projects such as DIM and monzero
  • Apply blast-radius and risk assessment to proposed changes, especially when using AI tooling
  • Participate in an on-call service rotation

Requirements

What you’ll need
  • A completed computer science degree or equivalent qualification
  • 3+ years of practical experience administering 100+ Linux systems (Debian/CentOS/EL) across 3+ data centers
  • Experience with monitoring, configuration, VCS, and visualization tools (Icinga2, Puppet, Ansible, git, Grafana)
  • Understanding of modern software architectures and deployment (REST, microservices, Docker, CI/CD)
  • Knowledge of network and infrastructure services (DNS, BGP, VLANs, firewalling, IPv6)
  • Scripting/programming knowledge (bash, Python, Go, Java, etc.)
  • Experience with AI-assisted infrastructure development (Copilot, Claude Code, Cursor or similar)
  • Excellent communication skills in English; German is a plus

Benefits

Comp & perks
  • Access to local/international trainings, development and growth opportunities, including access to e-learning platforms, covering both technical and soft skills areas
  • Modern technologies, product responsibility
  • Flexible work schedule
  • Hybrid work option
  • Medical services package from one of two private providers
  • 25 vacation days per year
  • Substitute days off for public holidays that occur on the weekend
  • Meal tickets
  • Internal referral program
  • Employee anniversary program
  • Team events and networking events
  • Summerfest and Winterfest parties
  • Coffee, soft drinks and fresh fruits in the office