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

AERTiCKET; Berlin; Hybrid; EUR 90.000 - 120.000; Vollzeit

Benefits dieser Stelle

Hybrid work model

Office in Berlin

Training budget

Travel industry discounts

Team activities

Zusammenfassung

AERTiCKET is seeking an experienced DevOps/Platform Engineer in Berlin to take end-to-end ownership of our infrastructure and DevOps processes—from Kubernetes platforms to monitoring and security. You will collaborate with product teams in a dynamic, product-driven environment.

You will implement CI/CD with GitLab, drive GitOps with ArgoCD or Flux, and automate with Terraform and Ansible while ensuring robust observability and security. A strong Linux background and teamwork are essential.

Qualifikationen

• Strong Linux skills and networking fundamentals.
• At least 3 years of hands-on Kubernetes experience in production environments.
• Hands-on depth with GitLab CI/CD or comparable systems.
• Experience automating infrastructure with Terraform and Ansible.
• Collaborative mindset and documented work style.

Aufgaben

• Operate and expand Kubernetes clusters, manage nodes, upgrades, deployments, and testing.
• Maintain GitLab CI/CD pipelines, runners, and GitOps with ArgoCD or Flux.
• Automate infrastructure with Terraform and Ansible.
• Install, configure, and troubleshoot databases.
• Set up observability with ELK/TIG/Grafana stacks and dashboards.
• Analyze networks and perform root-cause analysis including complex incidents.
• Implement security checks in pipelines and infrastructure (SAST, SCA, secrets).

Kenntnisse

Linux

Networking

Kubernetes

GitLab CI/CD

GitOps

Terraform

Ansible

Debugging

Collaboration

Ausbildung

Degree in Computer Science or STEM

Tools

Docker/OCI

GitLab

ArgoCD

Flux

Jobbeschreibung

Deine Aufgaben:

You work in a dedicated team on innovative solutions in a dynamic, product-oriented environment. You take end-to-end responsibility for our infrastructure and DevOps processes — from the Kubernetes platform and CI/CD pipelines through to monitoring, databases, and security.
Your tasks:

• Kubernetes & containers:operation and expansion of ourclusters — nodesetup, upgrades, deployments, troubleshooting, and applicationtesting; onboarding of developmentteamsonto the platform; management of Docker-basedcontainersolutions and theirintegrationinto the existinginfrastructure
• CI/CD & GitOps:maintenance and furtherdevelopment of ourGitLabenvironment, includingpipelines, runners, the GitLab Agent for Kubernetes, and the Jira integration; GitOps-baseddeliverywithArgoCDor Flux
• Automation & Infrastructure as Code:provisioning and configurationmanagementwith Terraform and Ansible
• Databases:installation, configuration, maintenance, and troubleshooting of ourdatabasesystems
• Observability:setup and operation of ELK / TIG / Grafana Alloy stacks — installation, configuration, dashboards, and alerting
• Networks & diagnostics: analysis and optimisation of ournetworks; log fileanalysis and systematic root causeanalysis, up to and includingcomplexincidents at packet level
• Security:securitychecks at application and infrastructure level, plus securitygates in the pipeline (SAST, dependency/SCA scanning, secretsdetection, SBOM generation, artifactsigning)

Dein Profil:

• A degree in computerscience, a STEM subject, or an equivalentqualificationgainedthroughseveralyears of professional experience
• Strong Linux skills and solid networkingfundamentals (TCP/IP, DNS, TLS, MTU/routing) withproventroubleshootingability
• At least 3 years of hands-on Kubernetesexperience in productionenvironments, alongwithcontainertechnologies (Docker/OCI)
• Hands-on depthwithGitLab CI/CD orcomparablesystems, and withGitOpstooling such as ArgoCDor Flux
• Practicalexperienceautomatinginfrastructure and configuration as code with Terraform and Ansible
• Excellent analytical and debuggingskills, with a structured, detail-orientedway of working
• A collaborativemindset: youenjoydevelopingsolutionstogether, document your work, and shareknowledgeacross the team
  

Nice to have:

• Experience with a specificcloudplatform (OCI, Azure, AWS, or GCP) and withmigrationprojects
• FamiliaritywithDevSecOpstoolchains such as SonarQube, Sonatype Lifecycle, Trivy, orCosign/Sigstore

Warum wir:

We are motivated, committed, and believe in the importance of teamwork. We offer unparalleled opportunities for personal growth and development, all to create a compelling and rewarding work environment.
We value personal interaction and foster a vibrant team culture, so we offer a hybrid work model that requires a presence in the office at least three days a week and allows for remote work. Additionally, we offer interesting workation models.
Our team enjoys daily amenities such as:

• Fresh fruit daily in the team kitchen
• An in-house canteen with a daily selection of dishes from our chefs
• Table tennis and football
• Flexible working hours and partial remote work
• Space for creativity
• Budget for training and further education
• Access to discounts in the travel industry
• Team activities

Oh, by the way, we speak English during the day.