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System Engineer
Knowledge Lab AGSystem Engineer focusing on application server operations for K-Lab, transforming IT solutions for banks and insurers. Collaborate with experts across various locations to improve server landscapes.
Tech Stack
Tools & technologiesAnsibleApacheAzureCloudJavaLinuxPython
About the role
Key responsibilities & impact- Operate, configure and further develop the ~50 × 4 application server instances (JBoss, Apache, Tomcat)—VM and OS operations are not part of this role
- Manage deployments, connectors, datasources, clustering, load balancing and SSL certificates
- Analyze incidents and provide 2nd / 3rd level support—including log analysis, heap dumps and stack traces
- Read and interpret Java code to diagnose environment-related issues in collaboration with the Java Developer
- Coordinate with the Linux team on maintenance windows, VM sizing and cross-layer troubleshooting
- Drive automation and scripting to optimize application server operations
Requirements
What you’ll need- Several years of experience as a System Engineer with a clear focus on application servers (JBoss / WildFly, Apache HTTPD, Tomcat)
- Deep understanding of middleware configuration, logging, performance, security and clustering
- Solid Linux skills and scripting experience (Bash, Python, Ansible) for automation at the application server level—VM and OS administration are not required
- Basic Java skills—able to read and follow code without being a developer
- Experience with monitoring tools, logging stacks and performance analysis
- Business fluency in English
- Familiarity with enterprise security concepts (WAF, IAM, LDAP, SAML) is nice to have
- Experience with firewall rules and network architectures is nice to have
- Azure / Cloud Platforms is nice to have
- German is an advantage
Benefits
Comp & perks- Flexible working models within Serbia
- Long-term career development in international projects
- A professional and collaborative environment
ATS Keywords
✓ Tailor your resumeApplicant Tracking System Keywords
Tip: use these terms in your resume and cover letter to boost ATS matches.
Hard Skills & Tools
application serversJBossApache HTTPDTomcatmiddleware configurationscriptingBashPythonAnsibleJava
Soft Skills
incident analysiscollaborationtroubleshootingautomation