Senior Linux Engineer

HRO Digital is an international company providing recruitment support within fintech, finance and banking markets in EMEA.

• Extensive experience administering enterprise Linux environments, preferably Red Hat Enterprise Linux and/or Oracle Linux.
• Strong knowledge of Linux system administration, performance tuning, troubleshooting and security best practices.
• Hands-on experience with middleware and web application platforms such as JBoss, WildFly, Apache HTTP Server, Tomcat or similar technologies.
• Experience with infrastructure automation and configuration management using Ansible, Rundeck or comparable tools.
• Proficiency in Bash scripting and/or Python for automation and operational tasks.
• Good understanding of networking concepts, including TCP/IP, DNS, load balancing and TLS/SSL.
• Familiarity with PKI, certificates and cryptographic concepts used in enterprise environments.
• Experience supporting high-availability, mission-critical production systems.
• Previous involvement in data center migrations, infrastructure transformation or large-scale platform migration projects is highly desirable.
• Strong analytical and troubleshooting skills with the ability to resolve complex infrastructure issues.
• Experience working in cross-functional, international teams within project-driven environments.
• RHCE certification or equivalent Linux certifications are considered an advantage.

• Design, build and support Linux-based infrastructure as part of a large-scale data center migration and modernization program.
• Install, configure, administer and optimize Red Hat Enterprise Linux and Oracle Linux environments.
• Deploy, configure and maintain middleware and application server platforms, including JBoss, WildFly, Apache HTTP Server, Tomcat and Spring Boot applications.
• Support infrastructure provisioning and configuration management using automation tools such as Ansible and Rundeck.
• Ensure high availability, security, performance and operational stability of Linux platforms across production and non-production environments.
• Monitor system health, investigate performance bottlenecks and resolve infrastructure-related incidents and problems.
• Collaborate with application, middleware, database, network and security teams throughout the migration lifecycle.
• Support environment builds, infrastructure changes, testing activities and production cutovers.
• Troubleshoot complex technical issues and perform root cause analysis to improve platform reliability.
• Develop and maintain technical documentation, operational procedures and infrastructure standards.
• Identify opportunities to automate operational processes and improve platform efficiency.

Praca zdalna: Brak