Senior Linux Engineer for DC migration project

Infotree Global Solutions; Warszawa; On-site; PLN 150,000 - 200,000; Full time

Job summary

A technology solutions company is seeking a Senior Linux Engineer to transform its data center operational capabilities. The ideal candidate will have extensive experience in Linux server administration and project migration, possessing strong scripting and automation skills. Proficiency in communicating effectively in both Polish and English, coupled with the ability to work collaboratively across international teams, is essential. This position offers robust challenges and opportunities for professional growth.

Qualifications

• Experience in Linux server administration, configuration, and maintenance.
• Strong knowledge of cryptography and IP networks.
• Ability to perform performance analytics and diagnostics.

Responsibilities

• Work closely with the FTS Application & Middleware Team.
• Diagnose and solve technical problems efficiently.
• Produce quality documentation using Confluence.

Skills

Advanced Linux system administration

Scripting skills in Bash or Python

Monitoring and diagnostics

Working with automation tools (Rundeck, Ansible)

Cryptography issues knowledge (PKI, PGP)

IP network management

Analytical problem-solving

Tools

Linux server environment (RedHat, Oracle Linux)

JBoss

Tomcat

Apache

WildFly

Springboot

Job description

Senior Linux engineer for DC migration project - job description

The main task in this position is:

Perform role of Linux engineer for application migration project, part of data center migration program. Applications serve payment card acceptance / acquiring and issuer processors’ business processes.

Critical business functions, including transaction authorization processes, are embedded on the Linux operating system platform. The Linux OS layer is both an environment for closed application systems and application functions called at its level

The following technical qualifications are required to carry out Linux project tasks:

• Administration, configuration, and maintenance

  • Linux server environment (RedHat, Oracle Linux)

  • application servers JBoss, Tomcat, Apache, OHS, WildFly, Springboot

• Automation tools: Rundeck, Ansible

• Proper development of server infrastructure to ensure its highest availability, quality, performance, and security for users and customers

• Linux systems performance analytics, monitoring, diagnostics, and incident resolution.

• Possess technical knowledge and experience in:

  • advanced Linux system administration

  • Cryptography issues (PKI, PGP);

  • IP network management issues

  • Working knowledge of scripting skills in Bash or Python

• Ability to quickly assimilate comprehensive infrastructure knowledge

• Ability to think analytically and solve problems quickly

• Current RHCE certifications will be an added advantage

You will be expected to:

· Closely work with the FTS Application & Middleware Team, carrying out BAU tasks.

· Closely work with PMs driving the subsequent actions, building, testing, and migrating to new environments, not excluding preparation and placement of infrastructure build, configuration, or access request, and addressing blockers on the road

· Diagnosing and solving technical problems

· Monitoring environments for performance and reliability,

· Produce quality live documentation (using Confluence),

Individuals performing the services are expected to have the following characteristics:

· Recognizing the challenges related to application migration from one data center to another

· Experience working in similar roles/projects (application migrations)

· Excellent communication skills, good written and spoken Polish and English language, and ability to work with a variety of SMEs from several countries and socialize the technical scope, challenges, and solutions among them

· Understanding of availability, performance, monitoring, and resilience aspects for semi-real-time online transaction systems and mass transaction processing systems

· Understanding of infrastructure aspects, network solutions, load balancing, TLS

· Responsibility: care for product quality, making and keeping commitments

· Cooperation: the ability to share knowledge and experience, find compromises, build correct relationships within the local organization and in the corporation.