Senior Application administrator | SEB, Tallinn

Are you passionate about technology and making a difference? ​Join our forces today!​ SEB is not just a bank. We are modern technology company with many talented IT professionals. There are more than 200 applications created and maintained by our dedicated technical teams. If you join our IT services organization, you will be able to shape and drive innovation for our IT platform solutions. Work at the core of banking sector with a team across Baltics. About the role:​Overseeing, managing and maintaining the software applications, ensuring their optimal performance and compliance with all relevant regulations, guiding and mentoring junior administrators. Please note, that the position requires occasional on-call support outside of regular business hours
Technologies you will be working with: Java applications, Tomcat, Openshift, Redpanda, Sonic and other.

Your Responsibilities Will Include:

• 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.

To Thrive In This Role, We Believe You Have:

• 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

What We Offer?

• Agile and modern ways of working ​
• A flat hierarchy and openness to share ideas, opinions and points of views​
• Extensive training and learning opportunities​
• Innovative company at the forefront of technology ​
• Challenging, cutting-edge work ​
• Work-life balance ​
• Mobility within a large global company ​
• Long-term stability​
• Remote working possibilities and flexible work schedule ​

Do you want to be a part of SEB?  Welcome to join our inspiring culture and dedicated team distributed all across the Baltic states and beyond. ​Since we select candidates continuously, feel free to send in your application today, but no later than October 15, 2025.​Learn more about working at SEB www.sebgroup.ee/career ​It is our fundamental belief that inclusion and diversity is crucial for our future success. We strive to have an inclusive, value-driven culture where employees feel valued, respected and involved irrespective of who they are, what they believe or where they come from.​