Team Lead - Site Reliability Engineering (all genders)
Iskander Business Partner GmbH
Ansprechpartner: Gulchachak Bagautdinova
Berlin, Deutschland
ITSREArgo CDGitOpsAzure KubernetesFinOpsFlux CDPlatform EngineeringKubernetes-SicherheitEngineering ManagementEngineering UnterstützungOpenStackSpinnakerVirtualizationHochverfügbarkeits-ClusterBioinformatik-HarvesterKubernetesInfluxDBRancher
Beschreibung
Freelance or permanent position
Location: Berlin, Munich, Pforzheim or Stockholm
Start date: asap
Duration: 18 months, with an option to extend
Workload: 100%
Remote share: by appointment
Project Background
For our client in the eCommerce technology sector, we are looking for a Team Lead Site Reliability Engineering (all genders). In this role, you will be responsible for the reliability, scalability, and cost efficiency of the company’s on-premise and cloud hosting environments. You will lead the modernization toward a Kubernetes-based hybrid platform while managing and developing an established four-person hosting team.
Responsibilities
- Take ownership of the availability, performance, and operational health of the hosting environments in Frankfurt, Stockholm, and the cloud
- Manage incident response and ensure stable and reliable platform operations
- Drive the end-to-end modernization from traditional hosting and virtual machine environments to Kubernetes on Harvester
- Design cluster topologies as well as storage, networking, backup, and disaster recovery solutions
- Build and continuously develop a production-grade Kubernetes platform
- Take responsibility for cluster lifecycle management, upgrades, RBAC, secrets management, observability, and policy guardrails
- Introduce and improve GitOps processes using Argo CD or Flux
- Shape and further develop the company’s NG Search Operator
- Develop auto-scaling concepts using HPA, VPA, KEDA, and Cluster Autoscaler
- Design an on-premise hybrid model, including workload distribution and cloud bursting
- Ensure controlled latency, platform portability, and optimized hosting costs
- Take ownership of capacity planning and cost management for production systems
- Plan and manage migrations of stateful workloads, including storage migration, cutover, and rollback
- Lead, manage, and develop the four-person hosting team
- Define technical standards, responsibilities, and a sustainable ownership culture
- Use AI for diagnostics, automation, monitoring, and operational insights
- Collaborate with technical teams, management, and other relevant stakeholders
Requirements
Must Have
- Several years of experience in infrastructure engineering, platform engineering, or site reliability engineering
- Experience with production-grade on-premise and cloud infrastructure
- Strong hands-on experience operating Kubernetes in production environments
- Experience with Kubernetes cluster lifecycle management, upgrades, and platform operations
- Strong knowledge of Kubernetes networking, storage, and RBAC
- Experience with observability, secrets management, and policy guardrails
- Experience with GitOps processes and tools such as Argo CD or Flux
- Proven experience leading and developing technical teams
- Excellent communication and stakeholder management skills
- Experience migrating bare-metal or traditional virtual machine environments to Kubernetes-based platforms
- Experience migrating stateful workloads
- Knowledge of storage migration, cutover planning, and rollback procedures
- Strong understanding of Kubernetes auto-scaling mechanisms such as HPA and VPA
- Knowledge of KEDA and Cluster Autoscaler
- Understanding of how auto-scaling interacts with capacity planning in on-premise and cloud environments
- Experience with hybrid on-premise and cloud architectures
- Experience taking ownership of reliability, capacity, and cost for production systems
- Hands-on experience using AI tools in day-to-day operations
- Fluent English
Nice to Have
- Practical experience with Harvester
- Experience with comparable HCI or virtualization platforms such as KubeVirt, vSphere, ESXi, or OpenStack
- Experience developing or operating Kubernetes Operators, custom controllers, and Custom Resource Definitions
- Experience with Kubernetes Operators for stateful systems such as search platforms, databases, or streaming systems
- German language skills
Should you be available and meet the relevant requirements, please feel free to apply with us.
For any questions, please contact your Freelancer Team at ***@***.com.
Thank you and best regards
Your Freelancer Team
Iskander Business Partner