DevOps Engineer

Blaudirekt; Deutschland; Vor Ort; EUR 75.000 - 120.000; Vollzeit

Benefits dieser Stelle

Private healthcare

Cafeteria system

Training budget €800 per year

Integration meetings

Referral Bonus

Startup atmosphere

No dress code

Flexible hours and working format - on

Remote or hybrid work option

Modern office with facilities

Zusammenfassung

Blaudirekt in Deutschland bietet eine Rolle als DevOps Engineer/SRE. Sie arbeiten eng mit Architekten, Entwicklern, QA und Security zusammen, betreiben containerisierte Plattformen und gestalten dynamische Umgebungen per Merge-Requests. Fokus liegt auf CI/CD, Observability und Sicherheitsmaßnahmen entlang des SDLC.

Sie bringen 5+ Jahre Erfahrung, starke Docker/Kubernetes-Kompetenz sowie GitLab CI und GitOps-Know-how mit. Flexible Arbeitsformen – Remote oder Hybrid – runden das Profil ab.

Qualifikationen

• 5+ Jahre Erfahrung als DevOps Engineer oder SRE in web-basierten Systemen.
• Ausgeprägte Docker-Kompetenz: Image-Erstellung, Maintenance, Registries, Docker Compose.
• Hands-on-Kontakt mit Kubernetes: Deployments, Networking, Ingress, Secrets/Configs.
• CI/CD mit GitLab CI inkl. Deployment-Automatisierung (Helm oder Kustomize).
• Erfahrung mit branch-basierten/ephemere Environments oder praxisnahe Umsetzung.

Aufgaben

• Enge Zusammenarbeit mit Architekten, Entwicklern, QA und Security zur Stabilität der Systeme.
• Zusammenarbeit mit Plattformteam basierend auf geteiltem Ownership und Wissensaustausch.
• Betrieb von containerisierten Anwendungsplattformen auf Docker/Kubernetes.
• Entwurf/Bereitstellung dynamischer Testumgebungen in Skalierung (Merge-Requests).
• Aufbau/Unterhalt von CI/CD-Pipelines in GitLab CI, Templates & Komponenten.
• Bereitstellung von Deployment-Automatisierung und GitOps-Praktiken.
• Identifikation von Engpässen und Automatisierung zur Effizienzsteigerung.
• Security-by-Design im SDLC, Pipeline-Härtung und automatisierte Checks.
• Aufbau und Betrieb von Observability-Plattformen (Monitoring/Logging/Diagnostik).
• Teilnahme an On-Call/Incident-Response inkl. Root-Cause-Analysen.
• End-to-end-Verantwortung: You build it, you run it.

Kenntnisse

Docker

Kubernetes

GitLab CI

CI/CD Automatisierung

Observability

Security IAM

English (Fluent)

German language skills

Tools

ArgoCD

Terraform

Ansible

Traefik

Kustomize

Let’s Encrypt

Jobbeschreibung

Das erwartet dich

Responsibilities:

• Collaborate closely with architects, developers, QA, and security teams to ensure smooth and reliable environment operations.
• Work in close partnership with the platform team, based on shared ownership, knowledge exchange, and mutual support.
• Own and operate containerized application platforms based on Docker and Kubernetes, ensuring reliability, scalability, and operational excellence.
• Design and deliver dynamic test environments at scale, including multiple parallel, per‑merge request (branch‑based) deployments.
• Build, maintain, and standardize CI/CD pipelines by creating reusable templates and components in GitLab CI.
• Drive deployment automation and GitOps practices
• Identify operational bottlenecks and implement automation to reduce manual effort and improve delivery speed.
• Embed security‑by‑design across the SDLC, including pipeline hardening and automated security checks.
• Build and operate observability platforms: monitoring, logging, and diagnostics (Prometheus, Grafana, ELK/EFK/Loki, etc.).
• Participate in on‑call and incident response, including troubleshooting, root‑cause analysis, and post‑mortems.
• Take end‑to‑end ownership of the solutions you build (“you build it, you run it”).

Das bringst du mit

Requirements (Must-have)

• 5+ years of experience as a DevOps Engineer or SRE in web‑based systems.
• Strong expertise in Docker: image building, maintenance, registries, Docker Compose.
• Hands‑on experience with Kubernetes: deployments, networking, ingress, secrets/configs, troubleshooting.
• CI/CD expertise with GitLab CI, including deployment automation (Helm or Kustomize).
• Experience with branch‑based / ephemereal environments, or the ability to design and deliver such a solution in practice.
• Observability know‑how: metrics, logs, and tracing with Grafana and related tooling.
• Ingress / reverse proxy experience (e.g. Traefik or similar): TLS, Let’s Encrypt, routing, mTLS.
• Security and IAM knowledge: OAuth2 / OIDC, SSO, token and permission management.
• Excellent communication skills, strong collaboration mindset, and willingness to help others.
• Fluent English.

Nice to have

Nice-to-have:

• Production experience with ArgoCD / GitOps.
• Infrastructure as Code and configuration management using Terraform and Ansible (or equivalents).
• Backend stack exposure: primarily PHP, Go.
• Datastores and messaging: MariaDB (backup/restore, basic HA), RabbitMQ (monitoring, tuning).
• Cloud platforms: AWS, Azure, or GCP.
• Mobile CI/CD experience (bonus only): Fastlane, CodeMagic, Firebase App Distribution.
• German language skills.

Our stack

Our Tech & QA Stack:

• Languages / Frameworks:
  PHP 8+ (Symfony 6+, Laravel 9+), JavaScript / TypeScript, Go, PHPUnit, Codeception, Flutter/Dart
• Databases & Messaging:
  MySQL, MariaDB, RabbitMQ, Kafka
• Infrastructure & Cloud:
  UNIX/Linux, Kubernetes, Cloud platforms (AWS / Azure / GCP)
• CI/CD & Delivery:
  GitLab CI, ArgoCD, CodeMagic, Fastlane
• Containerization & Deployment:
  Docker, Helm, Kustomize
• Testing & QA:
  Playwright, Python, Dart, Postman
• Observability & Reliability:
  Prometheus, Grafana, Sentry
• Security & IAM:
  OAuth2 / OIDC, SSO, Secrets & Access Management, TLS / Let’s Encrypt
• AI & Developer Tools:
  JetBrains AI, Cursor, RAG, Google Workspace (G Suite - ecosystem)
• Collaboration & Productivity:
  Jira, Requirements & Test Management for Jira, Confluence, Slack, IDE (freedom of choice), Google Workspace (G Suite)

Engineering practices

Engineering Culture:

• Agile Scrum + XP elements, Kanban
• OOP, TDD, DDD, SOLID, Clean Code
• Code reviews, pull requests, automation mindset
• QA as part of cross-functional team

Benefits & Perks

Benefits and Perks:

• Private healthcare
• Cafeteria system
• Training budget €800 per year
• Integration meetings (internal training, hackathon, integration trips and meetings)
• Referral Bonus
• Startup atmosphere
• No dress code
• Flexible hours and working format - remote or hybrid
• Modern office, Chillout zone, Standing desk, parking for bicycles, and a cloakroom with showers
• Regular office lunches and integration meetings
• Some international travels included