Your responsibilities will include:
Maintaining applications built with Java technology.
Managing databases (PostgreSQL, MongoDB).
Maintaining supporting applications (GitLab, OpenSearch, Sonar).
Collaborating with development teams and external vendors.
Automating administrative processes (Bash, Ansible).
Implementing and maintaining CI/CD processes for supported applications.
Handling user requests related to applications.
Working within a DevSecOps culture.
Updating tools in use and eliminating vulnerabilities.
Creating, updating, and maintaining application monitoring and documentation.
Our offer is for you if you:
Bring at least 3–4 years of experience in system or application administration.
Possess practical knowledge of J2EE and web application servers (Tomcat, SpringBoot, Nginx, Apache HTTPD).
Are experienced in maintaining PostgreSQL databases (cluster architecture, backups, performance).
Have strong knowledge of Linux operating systems (RedHat, CentOS, Rocky).
Understand protocols and computer networks (TCP/IP, LAN/WAN/WLAN/VPN).
Demonstrate awareness of security for networks, operating systems, and applications (OWASP, CIS, Nessus).
Know how to create or modify CI/CD processes using GitLab CI or Jenkins.
Are familiar with tools such as Graylog or ELK.
Can automate tasks using Bash and Ansible scripts.
Think analytically and solve application-related problems effectively.
Organize your work well and can operate independently.
Work confidently with monitoring tools like Grafana, Zabbix, Prometheus.
Have experience with container orchestration platforms (Kubernetes, OpenShift).
Communicate in English at B2 level or higher.
Nice to have:
Knowledge of asynchronous communication systems (RabbitMQ, Apache Kafka).
Experience with Microsoft Azure.
What’s in it for you?
Flexible service delivery hours and a hybrid collaboration model.
Comprehensive onboarding to help you navigate NN’s Business Technology landscape.
Collaboration based on Open Source technologies, Agile methodology, and DevOps culture.
Opportunities for professional growth through initiatives like Technology Day 4 You and hackathons.
Access to exclusive discounts on Samsung products.
Possibility to join sports and wellness initiatives.
Bike-friendly office infrastructure for those who prefer cycling.
Top Skills
What We Do
NN Group is an international financial services company, active in 11 countries, with a strong presence in a number of European countries and Japan. Our roots lie in the Netherlands, with a rich history of more than 175 years.
With our 16,000 employees, NN Group provides retirement services, pensions, insurance, banking and investments to approximately 19 million customers. NN Group includes Nationale-Nederlanden, NN, ABN AMRO Insurance, Movir, AZL, BeFrank, OHRA and Woonnu.
NN Group opened for trading on 2 July 2014 on Euronext Amsterdam under the symbol ‘NN’ after its initial public offering (IPO).
For more than 175 years, our company has merged, grown and changed, but the core of who we are has remained the same. At NN Group, we put our resources, expertise, and networks to use for the well-being of our customers, the advancement of our communities, the preservation of our planet, and for the promotion of a stable, inclusive, and sustainable economy.
Our purpose is to help people care for what matters most to them. Because what matters to them matters to us.






