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Senior DevOps Engineer

Freelancermap·Salary not specified

Primary stack

KubernetesHelmConfluenceJiraBashUbuntuLinuxDockerAPIArgoCD

Nice to have's

KubernetesLinuxAgile

Job description

About the Position

Senior DevOps Engineer

We are seeking a highly skilled Senior DevOps Engineer with over 10 years of experience to join our team in Vöhl, Germany. The ideal candidate will have extensive experience in Kubernetes, cloud infrastructure, and CI/CD pipelines.

Responsibilities

  • Administration, Wartung und Aktualisierung von Kubernetes-Clustern auf AWS (EKS)
  • Deployment, Konfiguration und Betrieb von Applikationen mittels Helm und Kubernetes Operators
  • Incident-Management: eigenständige Analyse und Behebung kritischer Störungen sowie Wiederherstellung ausgefallener Systeme
  • Evaluation und Integration von Sonatype IQ Server (Repository Firewall, Lifecycle) für mehr Software Supply Chain Security
  • Entwicklung einer Node.js-Integration von AWS Inspector und Dependency-Track inkl. accountübergreifendem Export, Transformation, Import und Bereinigung von Schwachstellendaten
  • Automatisierung manueller Betriebsabläufe, Optimierung von Workflows und Dokumentation direkt im Code
  • Hardening von Docker-Images: Patching von Base-Images, Optimierung von Dockerfiles, Behebung von CVEs
  • Anpassung von CI/CD-Pipelines und Jenkins zur Integration von Security-Maßnahmen in den Build-Prozess
  • Beratung der Entwicklungsteams bei Plattform-, Deployment- und Betriebsfragen sowie Wissenstransfer an Dev- und Ops-Teams
  • Stellvertretende Projektteamleitung im Ticketmanagement und in der technischen Abstimmung mit dem Mutterkonzern

Requirements

  • Kubernetes, Container & Platform Engineering: Kubernetes, Red Hat OpenShift, AWS EKS, Docker, containerd, CRI-O, Cluster API, Helm, Kubernetes Operator, Kubebuilder, ArgoCD, Calico, Ingress-Nginx, External Secrets Operator, External-DNS, Cert-Manager, Velero, NVIDIA GPU Operator
  • Cloud & Infrastruktur: AWS (EC2, ECS, EKS, S3, VPC, Gateways, Load Balancer, KMS, Route53, RDS, SES, SQS, SNS, DynamoDB), Google Cloud (Compute Engine, Storage, Cloud Run, BigQuery), Cloud- & Datacenter-Architekturen, hybride Infrastrukturen
  • Infrastructure as Code & Automation: Terraform, Ansible, AWS CloudFormation, AWS CDK, Packer, automatisierte Infrastruktur- und Serverbereitstellung
  • CI/CD & GitOps: GitLab CI, GitHub Actions, Jenkins, ArgoCD, Drone CI, Harbor, Nexus Repository Manager, automatisierte Build-, Deployment- und Release-Prozesse
  • Development & Scripting: Go (Golang), Python, Bash, TypeScript, JavaScript, Node.js, API-Entwicklung
  • Kubernetes Development: Entwicklung eigener Kubernetes Controller und Operatoren, Cluster API, Kubebuilder, Operator Pattern, Entwicklung am CAPMOX-Operator in Go, Automatisierung von Kubernetes-Plattformen
  • Linux: Red Hat, Debian, Ubuntu, Arch Linux, Gentoo, x86/ARM, nginx, Apache, Squid, Postfix, Dovecot, Tomcat, JBoss
  • Networking: Cloud Networking, Datacenter Networking, Cisco, Fortinet/Fortigate, DNS, CoreDNS, IPsec VPN, CDN, Distributed Systems, Netzwerk- und Standortanbindungen
  • Monitoring, Logging & Observability: Prometheus, Grafana, Elasticsearch/ELK, Kibana, OpenSearch, Alertmanager, Nagios, FluentD, FluentBit, Logstash, Jaeger Tracing, VictoriaMetrics, Elastic Beats
  • Security & IAM: Container Security, Security by Design, IAM, RBAC, WAF, Threat Detection, DDoS Protection, HashiCorp Vault, Keycloak, SSO, OAuth2, OIDC, SAML, LDAP, ISO 27001
  • Storage: MinIO, OpenEBS, NFS, Samba, AWS EFS, EBS, S3, Multi-Datacenter Storage
  • Virtualisierung: VMware ESXi, Proxmox, KVM, QEMU, VirtualBox
  • Datenbanken & Messaging: PostgreSQL, MySQL/MariaDB, CockroachDB, SQLite, Redis, CouchDB, Memcache, RabbitMQ, AWS SQS
  • Architektur: Cloud Native Architecture, Microservices, Distributed Architecture, Cloud- & Datacenter-Design, API Design, Domain Driven Design, Serverless/Functions, Distributed Tracing, Operator Pattern, Security by Design
  • Atlassian & Collaboration: Jira, Confluence, Bitbucket, Crowd
  • Führung & Projektarbeit: IT-Projektmanagement, Infrastrukturarchitektur, -planung und -implementierung, Kommunikationsmanagement zwischen Management und technischen Teams, technische Koordination, IT-Audit-Unterstützung
  • Agile Methoden: Scrum, Kanban, Lean

Nice to Have

  • Berufserfahrungmehr als 10 Jahre
  • Freelancer seit 2015

We Offer

  • Competitive salary
  • Full-time position
  • On-site work location in Vöhl, Germany

About the Company

Our company is a leading provider of cloud and infrastructure solutions, working with enterprises, banks, cloud/hosting providers, e-commerce, and startups. We are committed to delivering high-quality services and fostering a collaborative work environment.

Contact

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