Senior Kubernetes Platform Engineer

We are looking for a highly skilled Senior Kubernetes Engineer to take ownership of operating, optimizing, and scaling Kubernetes clusters running in Oracle Cloud Infrastructure (OCI/OSC).

• Your primary responsibility will be to ensure high availability and performance for a mission-critical, high-transaction Java application.
• You will work hands-on with Kubernetes, JVM performance tuning, monitoring stacks, and container orchestration best practices.
• You will collaborate closely with development teams to improve microservices architecture, enhance CI/CD workflows (GitHub, Jenkins, ArgoCD), and ensure efficient resource management across clusters, nodes, and pods. Observability will be a key focus, using tools such as Prometheus, Grafana, and OCI Monitoring to identify bottlenecks and optimize throughput and latency.
• Security and reliability are essential in this environment, and you will play an important role in ensuring compliance across the cloud landscape.
• You will join an experienced technical team, contribute your expertise to complex performance challenges, and help drive a stable and scalable platform for modern application delivery.

*Key Responsibilities:*

• Administer, operate, and optimize Kubernetes clusters in Oracle Cloud Infrastructure (OCI/OSC).
• Ensure high availability, scalability, and performance for a Java-based application handling a very high volume of individual transactions.
• Implement best practices for container orchestration, resource management, and automated deployments.
• Perform performance tuning at cluster, node, and pod levels, including JVM optimization and garbage collection for Java applications.
• Monitor and troubleshoot latency, throughput, and system resources using tools such as Prometheus, Grafana, and OCI/OSC Monitoring.
• Collaborate with development teams to optimize microservices architecture and CI/CD pipelines.
• Ensure security and compliance requirements within the OCI/OSC environment.

*Requirements:*

• Expert-level knowledge of Kubernetes (cluster architecture, networking, storage, autoscaling).
• Strong experience with OCI (Compute, Networking, Load Balancing, IAM, Container Engine for Kubernetes).
• Performance optimization for Java applications (JVM tuning, thread management, garbage collection).
• Experience with observability tools (Prometheus, Grafana).
• Knowledge of CI/CD (e.g., Jenkins, GitHub , ArgoCD).
• Strong problem-solving skills and experience with high-volume transactional systems.
• Solid knowledge of Linux, scripting (Bash, Python), and container technologies.
• Fluent English language skills

*What we offer:*
We believe in a supportive and rewarding work environment for our employees.

Compensation And Benefits

• Highly competitive salary.
• Bi-annual bonus based on seniority within the company.
• Meal tickets and various gift vouchers.
• Strong benefits list, including a brand new office, private medical insurance, and 24 vacation days plus a free birthday leave and many more.

Career Growth and Team Environment:

• Certified training possibilities and the opportunity to grow within the Arvato Systems Global Delivery framework.
• Interesting projects and solutions for both the Bertelsmann Group and international external customers.
• A committed and helpful team with a "WE" feeling, promoting a friendly, multicultural, and cooperative environment.
• The possibility to work in mutual trust and to be creative, with the freedom to improve working flows through self-initiative.

Arvato Systems is an international IT specialist that supports major companies in Digital Transformation. We stand for strong industry knowledge, in-depth technology expertise and a clear focus on customer requirements. Working as a team, we develop innovative IT solutions, transition our clients into the Cloud, integrate digital processes, and take on IT systems operation and support. As part of Bertelsmann, we are built on the solid foundations of a German global corporation. At the same time, we rely on our strong strategic partner network with top international players such as AWS, Google, Microsoft and SAP. We make the digital world easier, more efficient and more secure and our customers more successful. We Empower Digital Leaders.

Today, Arvato Systems Romania has around 160 employees working in an innovative environment and will constantly grow in upcoming years due to many interesting projects and development areas. Does this sound like your dream job? Then apply here - we look forward to your application, also and especially if you can contribute to the diversity of our company

Received application information is treated as highly confidential and will only be used for recruitment process of this position. Data submitted will be secured and processed only for the purpose of recruitment and shall be deleted after its conclusion.

For more information, please click here .

Unternehmen:
Arvato Systems IT SRL

Land:
Romania

Region:
Braşov

Stadt:
Brasov

Postleitzahl:
500446

Job ID:
285036