Senior Application administrator - Tallinn, Harjumaa

Job summary

Join our forces today and shape and drive innovation for our IT platform solutions. Work at the core of banking sector with a team across Baltics.

Responsibilities

• Application deployment and maintenance, monitoring and performance optimization, capacity planning, security and compliance
• Resolving application-related issues, providing guidance and mentorship to junior administrators and technical support to other organizational units
• Implementing necessary performance tuning and optimization strategies
• Staying updated on emerging technologies and trends in application administration.

Qualifications

• Extensive hands-on experience with middleware and application platforms such as Java/Tomcat, container orchestration (OpenShift/Kubernetes), and event streaming or messaging technologies (e.g., Redpanda, Sonic, or similar).
• Experience with automation and Infrastructure-as-Code
• Familiarity with CI/CD pipelines
• Scripting skills to automate operational tasks.
• Awareness of application and platform security (e.g., TLS, certificates, authentication, authorization).
• Proficiency in troubleshooting and performance tuning, with the ability to analyze complex, distributed systems and identify root causes efficiently.
• Strong communication skills in English, that are required to work with colleagues across Baltic countries
• Collaborative mindset and interest in mentoring colleagues if required
• Continuous learning orientation, staying current with newest solutions to drive improvements

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