Senior Kubernetes Platform Engineer (m/f/d)

ImproveIT Solutions is looking for Senior Kubernetes Platform Engineers (m/f/d) to support the evolution and scaling of a large-scale Kubernetes platform environment.

The project focuses on scaling Kubernetes clusters, building and configuring new cluster environments, developing Kubernetes Operators, and driving platform automation using modern cloud-native technologies.

The current platform is based on Gardener, although prior Gardener experience is not mandatory.

Responsibilities

• Scale, enhance, and optimize existing Kubernetes cluster environments
• Design, build, and configure new Kubernetes clusters
• Develop and maintain Kubernetes Operators and Custom Controllers using Go and Kubebuilder
• Implement and improve platform automation capabilities
• Automate infrastructure and platform lifecycle processes
• Apply GitOps principles for deployment, configuration management, and operational consistency
• Design and implement GitOps workflows using FluxCD
• Work with Crossplane for infrastructure and platform automation
• Perform testing, validation, and reliability improvements across the Kubernetes platform
• Contribute to the continuous evolution of cloud-native platform engineering practices
• Collaborate with an international, English-speaking engineering team

Requirements

• Strong hands-on experience with Kubernetes in enterprise-scale environments
• Experience operating and scaling large Kubernetes cluster landscapes
• Strong proficiency in Go (Golang)
• Hands-on experience with Kubebuilder
• Proven experience developing Kubernetes Operators and Custom Controllers
• Strong understanding of GitOps methodologies
• Hands-on experience with FluxCD
• Experience with Crossplane
• Strong background in Platform Engineering and Platform Automation
• Fluent English communication skills

Nice to Have

• Experience with Gardener
• Experience with SAP Business Technology Platform (SAP BTP)
• Public cloud experience with AWS, Azure, or GCP
• Experience working with large-scale cloud-native platforms
• Background in international Platform Engineering or SRE environments

Project Details

Start: ASAP
Duration: Until the end of 2026, with strong potential for extension
Capacity: 100%
Location: Remote within Europe
Working Hours: German business hours
Project Language: English