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TLABS-2519HybridThe Hauge, Netherlands

Application Engineer/Administrator

We are looking for an experienced Application Administrator / IT Operations Engineer to manage, deploy, maintain and support enterprise applications across production and non-production environments.

Location
The Hauge, Netherlands
Work mode
Hybrid
Employment
Freelance
Apply by
12 November 2026

Mandatory seniority and background:

  • University studies of at least 4 years plus at least 9 years of relevant professional experience after the diploma; or university studies of at least 3 years plus at least 10 years of relevant professional experience after the diploma.

  • At least 6 years as an IT professional in mid-size or large IT infrastructure environments, including application deployment, support and maintenance.

  • At least 5 years in application administration.

  • At least 2 years with microservices, container orchestration and container-based stacks such as Docker or Kubernetes.

  • At least 2 years administering and supporting Elasticsearch.

  • At least 5 years working with enterprise Microsoft or Linux server solutions.

Mandatory knowledge and skills :

  • Deployment and administration of Elasticsearch clusters.

  • Microservices, container orchestration and container stacks using Kubernetes, Helm charts, Docker and Rancher.

  • Configuration-management concepts and technologies such as Puppet, Ansible or Chocolatey.

  • Shell and/or PowerShell scripting.

  • ITIL processes, including incident, change and release management.

Desirable experience and knowledge:

  • At least 2 years with public or hybrid cloud services and solutions, Azure or AWS.

  • DevOps practices.

  • Relational databases such as Microsoft SQL Server or PostgreSQL and their interaction with applications.

  • Kong API Gateway.

  • Relevant certifications in the technologies listed above.

Typical tasks and responsibilities:

  • Install, configure and administer applications in production and non-production environments.

  • Monitor applications, tune performance and continuously improve service efficiency and quality.

  • Provide application support and maintenance, including incident, change, release and problem resolution.

  • Write and validate application procedures, troubleshooting guides, backup plans and restore plans.

  • Automate recurring system-administration procedures and produce installation and technical support documentation.

  • Contribute to the structure, maintenance and development of the ICT Operations technical knowledge base.

  • Report on application availability, performance, capacity and usage when required.

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Job IDTLABS-2519

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