Middleware Administrator

Pracovní nabídka

Location: Prague, Czech Republic (minimum 1 day per week in the office)

Position Type: Full-Time

Overview: We are looking for a dedicated and detail-oriented Middleware Administrator to join our IT Operations team. This role is responsible for the deployment, configuration, management, and support of middleware technologies supporting business-critical applications. The Middleware Administrator will ensure high availability, performance, and security of the middleware environment while participating in automation and continuous improvement efforts.

Responsibilities:

Install, configure, and maintain middleware platforms such as Apache Tomcat, JBoss, WebSphere, OpenLiberty, and WildFly.
Provide L2 support for middleware operations and collaborate with engineering teams on L3 issues.
Monitor the performance and availability of middleware components and tune them for optimal performance.
Perform routine patching and upgrades to ensure compliance and system stability.
Support application deployment processes and assist development teams with middleware requirements.
Create and maintain operational documentation, installation guides, and knowledge base articles.
Participate in on-call rotation and incident resolution activities.
Identify opportunities for automation and contribute to scripting/configuration efforts.
Collaborate with cross-functional teams to ensure seamless integration and support.
Required Qualifications:

3+ years of experience in middleware administration in a production environment.
Hands-on experience with Apache Tomcat, JBoss, WebSphere, OpenLiberty, or WildFly.
Proficiency in Linux-based environments.
Basic understanding of databases such as PostgreSQL, Oracle, or MS SQL.
Strong troubleshooting and problem-solving skills.
Experience with scripting languages (e.g., Bash, Python).
Familiarity with monitoring tools such as Prometheus, Grafana, or Splunk.
Excellent verbal and written communication skills in English (B2 or higher).
Preferred Qualifications:

Exposure to containerization technologies (Docker, Kubernetes).
Understanding of automation tools like Ansible or Terraform.
Knowledge of ITIL processes and working with ITSM tools like ServiceNow.
Experience with secure system configurations and compliance standards.