Senior IT Application Engineer - Kubernetes & Elasticsearch

act digital; Den Haag; On-site; EUR 90,000 - 120,000; Full time

Job summary

act digital is seeking a Senior Application Engineer / Administrator to join its large-scale IT infrastructure team in Den Haag. You will install, configure, administer, and maintain critical business applications across production and non-production environments.

The role requires 6+ years in IT infrastructure, 5+ years in application administration, and hands-on experience with Docker, Kubernetes, and Elasticsearch. English proficiency at B2 level is expected.

Qualifications

• Minimum 6 years of experience in mid-sized or large IT infrastructure environments.
• Minimum 5 years of experience in application administration, deployment, support, and maintenance.
• Minimum 2 years of experience with microservices, container orchestration, and container-based technologies like Docker and Kubernetes.
• Minimum 2 years of experience administering and supporting Elasticsearch.
• Minimum 5 years of experience with enterprise Microsoft and/or Linux server solutions.
• English proficiency at least B2 level.

Responsibilities

• Install, configure, administer, and maintain applications in production and non-production environments.
• Monitor performance and availability; perform tuning as needed.
• Support incident, change, release, and problem management activities.
• Develop and maintain procedures, manuals, troubleshooting guides, and backup plans.
• Automate recurring system administration tasks.
• Produce installation, administration, and support documentation.
• Contribute to knowledge bases and ongoing service improvement.
• Monitor and report on availability, performance, capacity, and usage.
• Ensure continuous improvement of service efficiency, reliability, and quality.

Skills

Application administration

Automation

IT service management

Tools

Docker

Kubernetes

Elasticsearch

Job description

act digital is seeking a Senior Application Engineer / Administrator to join its large-scale IT infrastructure team in Den Haag. You will install, configure, administer, and maintain critical business applications across production and non-production environments.

The role requires 6+ years in IT infrastructure, 5+ years in application administration, and hands-on experience with Docker, Kubernetes, and Elasticsearch. English proficiency at B2 level is expected.