{"id":9279,"date":"2026-09-28T10:12:28","date_gmt":"2026-09-28T08:12:28","guid":{"rendered":"https:\/\/itds.pl\/it-jobs\/senior-linux-systems-engineer-data-center-migration-and-payment-processing\/"},"modified":"2026-09-28T10:12:28","modified_gmt":"2026-09-28T08:12:28","slug":"senior-linux-systems-engineer-data-center-migration-and-payment-processing","status":"publish","type":"matador-job-listings","link":"https:\/\/itds.pl\/pl\/praca\/senior-linux-systems-engineer-data-center-migration-and-payment-processing\/","title":{"rendered":"Senior Linux Systems Engineer \u2013 Data Center Migration and Payment Processing"},"content":{"rendered":"<p><strong>Unleash innovation in data center migration \u2014 shape the future of critical payment processing systems!<\/strong><\/p> <p>Warszawa-based opportunity with on-site work.<\/p> <p>As a<strong> Senior Linux Systems Engineer, <\/strong>you will be working for our client, a leading financial technology provider, supporting critical application migrations and payment systems. You will play a pivotal role in ensuring high availability, security, and performance across complex Linux environments, contributing to innovative infrastructure transformation projects.<\/p> <p><strong>Your main responsibilities:<\/strong><\/p> <ul> <li>Administer, configure, and maintain Linux server environments (RedHat, Oracle Linux) supporting payment and issuer processing applications.<\/li> <li>Automate infrastructure deployment and management using tools like Rundeck and Ansible.<\/li> <li>Diagnose, monitor, and enhance system performance, ensuring optimal uptime and security.<\/li> <li>Collaborate closely with Application &amp; Middleware teams for BAU tasks, migration planning, and environment setup.<\/li> <li>Resolve technical challenges rapidly and document procedures effectively using Confluence.<\/li> <li>Work alongside project managers to build, test, and execute data center migration activities.<\/li> <li>Implement cryptography solutions (PKI, PGP) and manage IP network configurations.<\/li> <li>Support incident resolution, ensuring business-critical systems remain resilient and reliable.<\/li> <\/ul> <p><strong>You\u2019re ideal for this role if you have:<\/strong><\/p> <ul> <li>At least 5 years of experience in Linux system administration, preferably in payment or high-transaction environments.<\/li> <li>Strong skills in Linux (RedHat, Oracle Linux) and application servers such as JBoss, Tomcat, Apache, OHS, WildFly, Spring Boot.<\/li> <li>Hands-on experience with automation tools like Ansible and Rundeck.<\/li> <li>Knowledge of cryptography (PKI, PGP) and IP network management.<\/li> <li>Bash or Python scripting proficiency.<\/li> <li>Ability to quickly grasp complex infrastructure knowledge.<\/li> <li>Analytical mindset with problem-solving capabilities.<\/li> <li>Fluent Polish and English language skills, both written and spoken.<\/li> <\/ul> <p><strong>It is a strong plus if you have:<\/strong><\/p> <ul> <li>Current RHCE certification.<\/li> <\/ul> <p><strong>Language Required for the role:<\/strong><br \/> Fluent Polish and English, both written and spoken.<\/p> <p><strong>Eligibility to work on this role:<\/strong><br \/> Only candidates with an existing legal right to work in the European Union will be considered for this role.<\/p> <p><strong>#MAKEYourCareerBETTER<\/strong><br \/> Interested? Apply now and include your CV (preferably in English) along with a statement confirming your consent to the processing and storage of your personal data.<\/p> <nav class=\"matador-job-navigation\"> <ul> <li> <a href=\"https:\/\/itds.pl\/pl\/?wpid=9279&amp;bhid=9567\" rel=\"button\" class=\"matador-button\" title=\"Apply Now\">Apply Now<\/a> <\/li> <li> <a href=\"https:\/\/itds.pl\/pl\/praca\/senior-linux-systems-engineer-data-center-migration-and-payment-processing\/\" rel=\"button\" class=\"matador-button matador-button-secondary\" title=\"More Info\">More Info<\/a> <\/li> <\/ul> <\/nav> ","protected":false},"excerpt":{"rendered":"<p>Unleash innovation in data center migration \u2014 shape the future of critical payment processing systems! Warszawa-based opportunity with on-site work. As a Senior Linux Systems Engineer, you will be working for our client, a leading financial technology provider, supporting critical application migrations and payment systems. You will play a pivotal role in ensuring high availability, &hellip; <a href=\"https:\/\/itds.pl\/pl\/praca\/senior-linux-systems-engineer-data-center-migration-and-payment-processing\/\">Continued<\/a><\/p>\n","protected":false},"template":"","meta":{"_acf_changed":false,"_matador_source_id":"9567"},"matador-categories":[],"matador-locations":[],"matador-types":[25],"matador-remote-job-possible":[203],"matador-skills":[194],"matador-seniority":[177],"matador-position":[],"matador-technology":[],"matador-contract-type":[402],"matador-priority":[287],"matador-language":[178,179],"matador-place":[437],"matador-visibility":[704],"matador-choose-website-to-publis":[449],"class_list":["post-9279","matador-job-listings","type-matador-job-listings","status-publish","hentry","matador-types-contract","matador-remote-job-possible-on-site","matador-skills-infrastructure-specialist","matador-seniority-senior","matador-contract-type-b2b","matador-priority-0-lead","matador-language-polish","matador-language-english","matador-place-warszawa","matador-visibility-online","matador-choose-website-to-publis-poland"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Senior Linux Systems Engineer \u2013 Data Center Migration and Payment Processing | ITDS<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/itds.pl\/pl\/praca\/senior-linux-systems-engineer-data-center-migration-and-payment-processing\/\" \/>\n<meta property=\"og:locale\" content=\"pl_PL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Senior Linux Systems Engineer \u2013 Data Center Migration and Payment Processing | ITDS\" \/>\n<meta property=\"og:description\" content=\"Unleash innovation in data center migration \u2014 shape the future of critical payment processing systems! 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