Maintaining applications built in Java technology. Have practical knowledge of J2EE and web application servers (Tomcat, SpringBoot, Nginx, Apache You are proficient in Linux operating systems (RedHat, CentOS, Rocky), Understand protocols and computer networks (TCP/IP, LAN/WAN/WLAN/VPN), You have knowledge of network, OS, and application security (OWASP, CIS, Nessus), You have worked with tools such as AWX and OpenSearch, Know application monitoring tools such as Grafana and Zabbix, Have experience with container orchestration platforms (Kubernetes, OpenShift), You are interested in cooperation based on a B2B contract. Nice to have: Experience with Microsoft Azure. Collaboration in a hybrid model with flexible hours, Our engineers receive dedicated onboarding on navigating the Business Technology area at NN. We focus on Open Source technologies, collaborate using Agile methodology and DevOps culture, and support your growth through Technology Day 4 You and Hackathons. Discounted prices on Samsung products. Do you train or take care of your well-being? You can join our sports section. We have excellent cycling infrastructure waiting for you.