RedHat OpenShift Application Administrator

🏢 Summary: Offer for a senior OpenShift/Kubernetes engineer responsible for development and maintenance of a Red Hat OpenShift container platform. The role focuses on deploying, securing, scaling and monitoring cloud-native applications, as well as building and optimizing CI/CD and GitOps processes. It involves close collaboration with development teams and ensuring high availability and performance of containerized workloads. 🗂️ Requirements: Higher education degree (Bachelor or Engineer level), Minimum 7 years of professional experience, Minimum 3 years of experience with OpenShift or Kubernetes, English proficiency at minimum B2 level, Red Hat OpenShift certification or additional 3 years of OpenShift administration experience (minimum 6 years total), Experience with containerized applications on OpenShift, Strong knowledge of YAML and Helm, Experience with OpenShift security configuration (SCC, Pod Security, Network Policies), Experience with CI/CD and GitOps tools, Experience with monitoring and performance analysis tools, Strong automation skills (Ansible or Python), Experience with RBAC and namespace management 📃 Skills: OpenShift, Kubernetes, YAML, Helm, Templates, RBAC, SCC, PodSecurity, NetworkPolicies, Ingress, Routes, TLS, APIGateway, HPA, VPA, ArgoCD, Jenkins, CICD, GitOps, Prometheus, Grafana, Ansible, Python 🏢 Description: Opis projektu: Dołączysz do zespołu odpowiedzialnego za rozwój i utrzymanie środowiska konteneryzacji opartego o Red Hat OpenShift. Projekt obejmuje pracę z nowoczesnymi aplikacjami cloud-native, ich wdrażanie, skalowanie oraz zapewnienie bezpieczeństwa i wysokiej dostępności. Będziesz współpracować z zespołami developerskimi oraz uczestniczyć w budowie i optymalizacji procesów CI/CD i GitOps. Zadania: Wdrażanie, konfiguracja i utrzymanie aplikacji konteneryzowanych na OpenShift. Zarządzanie projektami/namespaces (RBAC, quotas, limit ranges, zasoby). Konfiguracja wystawiania aplikacji (Routes, Services, Ingress, TLS, load balancing). Implementacja i utrzymanie mechanizmów bezpieczeństwa (SCC, Pod Security, Network Policies, zarządzanie sekretami). Skalowanie i optymalizacja aplikacji (HPA/VPA, tuning zasobów, troubleshooting wydajności). Wsparcie zespołów developerskich (analiza logów, diagnostyka podów, rollbacki, rozwiązywanie incydentów). Wdrażanie i utrzymanie procesów CI/CD oraz GitOps (ArgoCD, Jenkins, pipelines). Monitoring i analiza wydajności aplikacji (Prometheus, Grafana, alerty). Tworzenie i utrzymywanie dokumentacji technicznej, SOP-ów oraz runbooków. Współpraca przy wdrażaniu nowych funkcjonalności i usprawnień. Wymagania: Wykształcenie wyższe (min. licencjat / inżynier – Level 6). Minimum 7 lat doświadczenia zawodowego (po ukończeniu edukacji). Minimum 3 lata doświadczenia na podobnym stanowisku (OpenShift / Kubernetes). Język angielski min. B2. Certyfikat (jedno z poniższych): Red Hat OpenShift Certified OpenShift Administrator (lub równoważny) lub dodatkowe 3 lata doświadczenia w administracji OpenShift (łącznie min. 6 lat na podobnym stanowisku) Wiedza techniczna: Doświadczenie w pracy z aplikacjami konteneryzowanymi w OpenShift. Bardzo dobra znajomość YAML, Helm Charts, OpenShift Templates. Znajomość modelu aplikacyjnego OpenShift (Projects, Namespaces, ConfigMaps, Secrets itd.). Doświadczenie w konfiguracji bezpieczeństwa (SCC, Pod Security, Network Policies, skanowanie obrazów). Doświadczenie w skalowaniu i optymalizacji aplikacji. Znajomość mechanizmów wystawiania aplikacji (Routes, Ingress, TLS, API Gateway). Doświadczenie z CI/CD oraz GitOps (ArgoCD, Jenkins). Znajomość monitoringu i logowania (Prometheus, Grafana). Bardzo dobre umiejętności automatyzacji (Ansible, Python, Helm). Doświadczenie w zarządzaniu namespace’ami i konfiguracją RBAC. Mile widziane: Certyfikaty Red Hat / Kubernetes. Doświadczenie w pracy w środowisku enterprise / dużej skali. Doświadczenie w pracy z architekturą mikroserwisową.

🏢 Summary: Senior Site Reliability Engineer role focused on operating and optimizing Azure and OpenShift environments, ensuring reliability, scalability, and automation across staging and production systems. The position involves managing CI/CD, implementing Infrastructure as Code, enhancing observability, and leading incident management in a hybrid cloud setup. This is a hybrid role in Warsaw with collaboration across engineering teams to embed SRE and DevOps best practices. 🗂️ Requirements: 3+ years in SRE, DevOps, or Platform Engineering, Strong production experience with Microsoft Azure, Strong experience with OpenShift and Kubernetes, Experience with CI/CD pipelines and GitOps, Hands-on experience with Terraform, Experience with monitoring and logging tools, Scripting skills (Bash or similar), Knowledge of observability and reliability engineering principles, Experience in incident management and root cause analysis, Focus on automation and system stability 📃 Skills: Azure, OpenShift, Kubernetes, Terraform, ArgoCD, Jenkins, GitHubActions, Bash, Prometheus, Grafana, ELK, EFK, AzureMonitor, GitOps, CI/CD 🏢 Description: In Cyclad we work with top international IT companies in order to boost their potential in delivering outstanding, cutting edge technologies that shape the world of the future. Currently, we are looking for experienced Senior Site Reliability Engineer (Azure & OpenShift) to join our team. Project information: Location: Warsaw (hybrid) Type of employment: B2B contract or standard employment contract Project languages: English Key Responsibilities: Own and operate staging and production environments in Microsoft Azure Manage and support application deployments on OpenShift (on-prem and Azure) Support and optimize CI/CD pipelines and enable GitOps practices (e.g., ArgoCD) Ensure system reliability through SLIs, SLOs, and continuous improvement of service health Design, implement, and maintain observability solutions (monitoring, logging, alerting) using tools such as Prometheus, Grafana, Azure Monitor, and ELK/EFK Troubleshoot issues across infrastructure, platform (Azure/OpenShift), applications, and deployments Lead incident management, including root cause analysis (RCA), MTTR reduction, and prevention of recurring issues Build and maintain Infrastructure as Code using Terraform and drive automation to reduce operational toil Improve deployment reliability, release processes, and overall system resilience Collaborate with development teams to embed reliability into design, delivery, and operational practices Maintain and improve operational documentation, including runbooks and procedures Ensure performance, scalability, cost efficiency, security, and compliance of cloud infrastructure Advocate for SRE best practices and a DevOps culture across engineering teams Requirements: 3+ years of experience in SRE, DevOps, or Platform Engineering roles Strong experience with Microsoft Azure in production environments Strong experience with OpenShift Container Platform (OCP) and Kubernetes Experience with CI/CD pipelines (e.g., ArgoCD, Jenkins, GitHub Actions) and container-based deployments Strong understanding of observability, incident management, and reliability engineering principles Hands-on experience with Infrastructure as Code (Terraform) Scripting experience (Bash or similar) Experience with monitoring and logging tools (Prometheus, Grafana, ELK/EFK) Strong focus on automation, system stability, and continuous improvement We offer: Private medical care with dental care (covering 70% of costs). Family package option possible Multisport card (also for an accompanying person) Life insurance Work with talented engineers on large-scale, technically challenging projects

🏢 Summary: Rola infrastrukturalno-operacyjna w projekcie obejmującym administrację środowiskami Linux/Windows, platformą OpenShift oraz bazami danych, z naciskiem na utrzymanie, monitoring i rozwój środowisk produkcyjnych. Stanowisko koncentruje się na stabilności systemów, wdrażaniu aplikacji oraz wsparciu środowisk telekomunikacyjnych i VoIP. 🗂️ Requirements: Minimum 5 lat doświadczenia w administracji systemami i aplikacjami, Bardzo dobra znajomość Linux (RHEL, Debian), Znajomość Windows Server, Doświadczenie z Red Hat OpenShift, Znajomość konteneryzacji, Doświadczenie w zarządzaniu bazami danych, Umiejętność instalacji i konfiguracji aplikacji, Doświadczenie w utrzymaniu środowisk aplikacyjnych, Znajomość narzędzi CI/CD, Znajomość procesów wytwarzania oprogramowania i automatyzacji, Umiejętność monitorowania infrastruktury i aplikacji, Znajomość zagadnień telekomunikacyjnych, Znajomość VoIP, Znajomość rozwiązań wirtualizacyjnych 📃 Skills: Linux, RHEL, Debian, Windows, OpenShift, Docker, Kubernetes, PostgreSQL, Oracle, MSSQL, CI/CD, VoIP, Virtualization 🏢 Description: Projekt realizowany w obszarze infrastruktury i utrzymania środowisk aplikacyjnych, obejmujący administrację platformami Linux/OpenShift, wdrażanie i utrzymanie aplikacji oraz zarządzanie środowiskami bazodanowymi i telekomunikacyjnymi. Rola ma charakter infrastrukturalno-operacyjny, z naciskiem na stabilność, monitoring oraz rozwój środowisk produkcyjnych. Twój zakres obowiązków Administracja i utrzymanie środowisk Linux oraz Windows Server Zarządzanie platformą Red Hat OpenShift Instalacja, konfiguracja i wdrażanie aplikacji Utrzymanie i rozwój środowisk aplikacyjnych oraz bazodanowych Administracja bazami danych PostgreSQL, Oracle oraz MS SQL Server Utrzymanie i rozwój narzędzi CI/CD Monitorowanie dostępności, wydajności i pojemności infrastruktury Rozwiązywanie problemów infrastrukturalnych i aplikacyjnych Współpraca przy automatyzacji procesów wdrożeniowych Wsparcie środowisk opartych o rozwiązania telekomunikacyjne i VoIP Nasze wymagania Minimum 5 lat doświadczenia w administracji systemami i aplikacjami Bardzo dobra znajomość Linux (RHEL, Debian) Znajomość Windows Server Doświadczenie z Red Hat OpenShift Znajomość konteneryzacji Doświadczenie w zarządzaniu bazami danych Umiejętność instalacji i konfiguracji aplikacji Doświadczenie w utrzymaniu środowisk aplikacyjnych Znajomość narzędzi CI/CD Znajomość procesów wytwarzania oprogramowania i automatyzacji Umiejętność monitorowania infrastruktury i aplikacji Znajomość zagadnień telekomunikacyjnych oraz VoIP Znajomość rozwiązań wirtualizacyjnych Mile widziane Doświadczenie w utrzymaniu infrastruktury telekomunikacyjnej Doświadczenie w środowiskach enterprise Znajomość automatyzacji infrastruktury i deploymentó

🏢 Summary: The role involves developing and operating Java-based microservices on OpenShift, with a strong focus on containerization, CI/CD, observability, and DevSecOps practices. The position requires building and maintaining cloud-native applications using Spring Boot, Kafka, and modern deployment and automation tools. The candidate will also optimize performance, ensure security, and manage GitOps-driven delivery pipelines. 🗂️ Requirements: Strong experience with Java and Spring Boot, Practical experience with OpenShift and containerization, Experience building CI/CD pipelines with Tekton and Maven or Gradle, Knowledge of GitOps and Argo CD, Experience with observability tools and cloud-native troubleshooting, Understanding of DevSecOps practices and security scanning tools, Ability to automate tasks using scripting languages 📃 Skills: Java, Spring, SpringBoot, OpenShift, Docker, S2I, Kafka, AMQ, Tekton, Maven, Gradle, ArgoCD, GitOps, Prometheus, Grafana, Loki, EFK, Bash, PowerShell, Python, Helm, Kustomize, Trivy, Clair, Snyk, RBAC, JVM, Kubernetes 🏢 Description: As a recruitment company, DCG understands that every business is powered by experienced professionals. Our management style and partnership approach enable us to meet your needs and provide continuous support. Due to our ongoing growth and the large number of recruitment projects we undertake for our partners, we are currently looking for: Senior Java Developer (OpenShift) Responsibilities: Develop and maintain Java microservices (Spring Boot) integrating with databases, APIs, and Kafka/AMQ Containerize applications (Docker/S2I) and optimize images for performance and security Deploy and operate services on OpenShift (deployments, routes, services, config/secrets, operators) Build CI/CD using Tekton and manage GitOps flows via Argo CD Implement observability: logs, metrics, alerts (Prometheus, Grafana, Loki/EFK) Automate tasks using Bash, PowerShell, Python, oc CLI, Helm/Kustomize Apply DevSecOps practices: image & dependency scanning (Trivy, Clair, Snyk), RBAC, secure coding Tune JVM and troubleshoot performance issues in containerized workloads Requirements: Strong Java & Spring Boot experience Practical experience with OpenShift and containerization CI/CD knowledge (Tekton, Maven/Gradle, GitOps/Argo CD) Familiarity with observability tools and cloud‑native troubleshooting Understanding of DevSecOps and automation scripting Nice to have: Java Certifications: Oracle Certified Professional (OCP) – Java SE 11 or 17 / Oracle Certified Associate (OCA) – Java SE Cloud‑Native & Container Certifications: Red Hat OpenShift Developer (DO288) / Red Hat Certified Specialist in OpenShift administration (EX280) / Kubernetes certifications: CKA / CKAD / CKS Offer: Private medical care Co-financing for the sports card Constant support of dedicated consultant Employee referral program

🏢 Summary: Senior DevOps/Platform Engineer role focused on deploying and operating containerized platforms in on‑premises air‑gapped environments. The position involves administering Red Hat OpenShift and Kubernetes clusters, ensuring secure, compliant, and highly available infrastructure. The role also covers troubleshooting, automation, and implementing DevOps and SRE practices in regulated environments. 🗂️ Requirements: 4+ years in DevOps/Platform/Infrastructure role, Red Hat Linux system administration experience, Advanced Docker knowledge, Advanced Kubernetes knowledge, Hands-on Red Hat OpenShift experience, Experience with air-gapped or on-premises deployments, DevOps and SRE practices knowledge, Automation experience, Enterprise troubleshooting experience, Experience in regulated or restricted environments, Ability to lead technical tasks and mentor juniors 📃 Skills: Linux, RHEL, Docker, Kubernetes, OpenShift, DevOps, SRE, Automation, Airgapped, Onpremises, Troubleshooting, IBM, Watsonx 🏢 Description: Location: 100% remote work Tasks: •    Install, implement, and configure DevOps and platform components in on premises air gapped environments in line with security and operational constraints •    Manage and maintain containerized platforms using Docker and Kubernetes, including deployments, upgrades, and lifecycle management •    Administer and support Red Hat OpenShift clusters in disconnected or restricted environments, including registry management and platform hardening •    Troubleshoot, diagnose, and resolve platform and infrastructure issues, including bug fixing and root cause analysis •    Coordinate issue resolution with platform vendors by clarifying requirements, communicating changes, and supporting troubleshooting activities •    Design and implement reliable deployment, configuration, and operational processes aligned with DevOps and SRE principles adapted to air gapped environments •    Collaborate with platform architects, security teams, and application teams to ensure stable and secure system integration •    Support production and non production environments to ensure high availability, performance, and operational readiness •    Prepare and maintain technical documentation, operational runbooks, and deployment guides suitable for audit and compliance reviews •    Participate in technical discussions, architecture reviews, and implementation workshops with internal and client stakeholders Requirements: • At least more than 4 years of experience in a similar position •    Strong hands on experience with Red Hat Linux system administration in enterprise environments •    Advanced knowledge of Docker, Kubernetes, and container orchestration concepts •    Practical experience with Red Hat OpenShift, particularly in on premises or air gapped deployments •    Ability to lead a small team, distribute tasks, and monitor progress •    Proactive attitude with quick escalation and transparent communication of progress and blockers •    Excellent troubleshooting and problem solving skills with the ability to work independently on complex issues •    Strong communication and collaboration skills, especially in cross functional and security focused environments •    Ability to operate effectively under strict compliance, security, and availability requirements •    Solid understanding of DevOps practices, automation, and platform operations in highly controlled environments •    Senior‑level experience in a DevOps, platform, or infrastructure role •    Experience working in regulated industries or disconnected enterprise environments •    Familiarity with IBM AI products such as watsonx as a platform or integration component is a plus •    Ability to mentor junior engineers and contribute to platform standards and best practices Offer: •    Multisport card •    Private healthcare •    Access to an e learning platform •    Group life insurance

🏢 Summary: Senior DevOps role focused on designing, implementing, and maintaining secure, enterprise-grade container platforms in on-premises air-gapped environments. The position involves administering Docker, Kubernetes, and OpenShift clusters while ensuring compliance with strict security and operational standards. Responsibilities include platform lifecycle management, troubleshooting, and implementing DevOps and SRE-aligned processes in controlled environments. 🗂️ Requirements: Strong experience with Red Hat Linux administration, Advanced knowledge of Docker and Kubernetes, Hands-on experience with Red Hat OpenShift in air-gapped environments, Experience managing containerized platforms lifecycle, Ability to troubleshoot complex platform and infrastructure issues, Experience implementing DevOps and SRE practices, Experience working in secure, compliance-driven environments, Knowledge of deployment and configuration automation 📃 Skills: Linux, RedHat, Docker, Kubernetes, OpenShift, Containers, DevOps, SRE, Airgapped, Automation, Troubleshooting, Registry 🏢 Description: We are looking for an experienced and highly motivated Senior DevOps to join our team and support the delivery of secure, enterprise-grade platform solutions within on-premises air-gapped environments. In this role, you will be responsible for designing, implementing, and maintaining modern containerized platforms while ensuring compliance with strict security and operational standards. Your key responsibilities Install, implement, and configure DevOps and platform components in on-premises air-gapped environments, ensuring full compliance with security and operational constraints. Manage and maintain containerized platforms using Docker and Kubernetes, including deployment, upgrades, and lifecycle management. Administer and support OpenShift clusters in disconnected or restricted environments, including registry management and platform hardening. Troubleshoot, diagnose, and resolve platform and infrastructure issues, including bug fixing and root cause analysis. Coordinate issue resolution with platform vendors by clarifying requirements, communicating changes, and supporting troubleshooting activities. Design and implement reliable deployment, configuration, and operational processes aligned with DevOps and SRE principles, adapted for air-gapped constraints. Collaborate closely with platform architects, security teams, and application teams to ensure stable and secure system integration. Support production and non-production environments, ensuring high availability, performance, and operational readiness. Prepare and maintain technical documentation, operational runbooks, and deployment guides suitable for audit and compliance reviews. Participate in technical discussions, architecture reviews, and implementation workshops with internal and client stakeholders. Skills and attributes for success Strong hands-on experience with Red Hat Linux system administration in enterprise environments. Advanced knowledge of Docker, Kubernetes, and container orchestration concepts. Practical experience with Red Hat OpenShift, especially in on-premises or disconnected (air-gapped) deployments. Ability to lead a small team, distribute tasks, and monitor progress. Proactive approach, quick escalation of risks/issues, and transparent communication of progress and blockers. Excellent troubleshooting and problem-solving skills, with the ability to work independently on complex issues. Strong communication and collaboration skills, especially in cross-functional and security-focused environments. Ability to operate effectively in environments with strict compliance, security, and availability requirements. Solid understanding of DevOps practices, automation, and platform operations within highly controlled environments.

🏢 Summary: Role focused on administration and maintenance of CRM applications running in Kubernetes-based cloud environments (Google Cloud and Microsoft). Responsibilities include deployments, configuration, monitoring, CI/CD automation, and 2nd line support in a 24/7 model. The position involves managing production and non-production environments and ensuring high system availability. 🗂️ Requirements: Experience with Oracle and PostgreSQL databases, Knowledge of SQL and PL/SQL, Experience with Kubernetes and Docker in production environments, Experience with Google Cloud and Microsoft cloud platforms, Knowledge of public cloud architecture, especially Google Cloud, Experience with Unix/Linux systems, Experience with CI/CD tools and automation, Experience with WAF integration for externally exposed applications, Knowledge of application servers JBoss and Wildfly, Experience with monitoring tools, Experience with Keycloak, Knowledge of Jenkins and JIRA, Ability to work in shift/on-call model, English for technical documentation and support communication 📃 Skills: Oracle, PostgreSQL, MSSQL, MySQL, MongoDB, MariaDB, SQL, PLSQL, Kubernetes, Docker, GitLab, Helm, ArgoCD, Harbor, GCP, Azure, Unix, Linux, JBoss, Wildfly, Zabbix, Grafana, Prometheus, LOKI, ElasticSearch, VictoriaLogs, Keycloak, Jenkins, JIRA, WAF 🏢 Description: Administrator Aplikacji (k/m) Miejsce pracy: Warszawa Region: mazowieckie Numer referencyjny: KG/DE/PW/0626 Opis stanowiska: Utrzymanie aplikacji z domeny CRM (środowiska produkcyjne, testowe i developerskie) Utrzymanie aplikacji w technologii Kubernetes w środowiskach chmurowych Google i Microsoft Wgrywanie zmian, konfiguracja, aktualizacja, instalacja nowych środowisk, 2 linia obsługi zgłoszeń dotyczących tych aplikacji, realizacja zleceń operacyjnych, monitoring Praca zmianowa oraz dyżury (zapewnienie dostępności systemów 24/7) Współpraca z użytkownikami, działem testów, dostawcami, spółkami w ramach grupy oraz Microsoft, Google. Automatyzacja procesów utrzymaniowych (CI/CD) Wymagania: Płynne poruszanie się po bazach danych, Oracle (priorytet), PostgreSQL (priorytet), MSSQL, MySQL, MongoDB, MariaDB, znajomość języka SQL/PL SQL Obsługa systemów operacyjnych opartych na Unix/Linux Bardzo dobra znajomość poparta kilkuletnim doświadczeniem w pracy z aplikacjami w technologii kubernetes, docker, w tym narzędzi do ich obsługi, np. Gitlab, Helm, ArgoCD, Harbor Doświadczenie w obsłudze aplikacji w technologii Kubernetes wystawianych na zewnątrz sieci (komunikacja z WAF) Doświadczenie w obsłudze aplikacji hostowanych w chmurach Google i MS Znajomość architektury i usług dostawców chmur publicznych, z naciskiem na Google Znajomość serwerów aplikacyjnych Jboss, Wildfly Monitoring aplikacji poprzez Zabbix, Grafana/Prometheus, LOKI, ElasticSearch/VictoriaLogs Doświadczenie z Keycloak Znajomość Jenkins, JIRA Język angielski pozwalający na rozumienie dokumentacji i komunikacji z anglojęzycznym supportem Google, MS Oferujemy: Pracę na odpowiedzialnym stanowisku w największej grupie kapitałowej w kraju Super atmosferę, przyjazne środowisko pracy, współpracę z osobami otwartymi i chętnie dzielącymi się wiedzą Stabilne zatrudnienie w ramach umowy o pracę lub kontrakt B2B Hybrydowy model pracy (4 dni zdalnie, 1 dzień z biura) Elastyczne godziny pracy (standardowo 8/5 + dyżury) Pracę z najnowszymi technologiami cloud-native Szkolenia i certyfikacje (szczególnie GCP, Kubernetes) Pakiet benefitów (karta Multisport, opieka medyczna w LuxMed, ubezpieczenie na życie, liczne oferty pracownicze dedykowane pracownikom Grupy)

🏢 Summary: Permanent role for an experienced OpenShift/Kubernetes Engineer to design, build, and operate secure OpenShift clusters in highly regulated, disconnected environments. The position focuses on reliability, automation, security, and scalable container infrastructure, including cluster lifecycle management and application onboarding. You will work end-to-end on platform operations, automation, and compliance within an Agile environment with on-call responsibilities. 🗂️ Requirements: Production experience running OpenShift clusters, Hands-on cluster installation, upgrades, patching, Operator lifecycle management, Strong Kubernetes/OpenShift networking knowledge, Experience with NetworkPolicies and traffic controls, Automation using Helm and Ansible, Practical application of GitOps principles, Experience in disconnected/restricted environments, Content and image mirroring (oc-mirror), Proficiency with git, YAML, oc/kubectl, bash, Availability for 24/7 on-call rotation 📃 Skills: OpenShift, Kubernetes, Helm, Ansible, GitOps, YAML, Bash, Git, oc, kubectl, Operators, NetworkPolicies, oc-mirror, VSCode 🏢 Description: About the role: We’re looking for an experienced OpenShift/Kubernetes Engineer to join a focused platform team that designs, builds, and operates OpenShift clusters in a highly secure disconnected environment. You’ll own reliability, automation, and security end‑to‑end—partnering with squads to onboard applications, harden the platform, and scale our container infrastructure for regulated workloads. Responsibilities: Operate and maintain OpenShift clusters to ensure availability, scalability, and performance (including patching, upgrades, and capacity planning). Automate cluster installation and configuration using GitOps, Ansible, Helm, and Operators; codify repeatable workflows and golden patterns. Implement platform security best practices and compliance controls; run vulnerability assessments and remediation in line with organizational policies Contribute to new cluster and network design, including multi‑tenant patterns and service connectivity. Support onboarding of new client applications and provide ongoing platform guidance and troubleshooting. Build and maintain clear, living documentation for operations runbooks, standards, and reference architectures. Deliver within Agile/Scrum ceremonies; collaborate closely with developers, SREs, and security. Work effectively in highly secure, disconnected environments, including image and content mirroring. Provide 24/7 on‑call support as part of a rotating team shift schedule, including occasional weekend coverage Required experience & skills: Experience: a few years running OpenShift clusters in production, ideally in banking or similarly regulated environments. Core OpenShift skills: cluster installation, upgrades, patching, and Operator lifecycle management. Networking: Understanding of Kubernetes/OpenShift networking concepts, including NetworkPolicies and traffic controls.. Automation: Strong working knowledge of Helm and Ansible, with experience applying GitOps principles to manage configuration and lifecycle operations. Disconnected operations: Experience operating in restricted environments, including content and image mirroring (e.g. oc‑mirror). Everyday tooling: Comfortable with git, YAML, oc/kubectl, bash, and Visual Studio Code. Nice to have / Plus skills Observability: Working knowledge of Prometheus and Grafana for monitoring, alerting, and operational troubleshooting. Service Mesh: Red Hat Service Mesh (Istio) fundamentals and operations. Container tooling: such as Podman and Skopeo for build, debug, and image management. Infrastructure as Code beyond core automation (e.g. Terraform). CI/CD: Working with pipelines (Azure DevOps). Experience in working as a power user or system administrator. Some basic knowledge in virtualization and HCI: VMware, Nutanix/AHV. Observability & ITOM: Splunk; ServiceNow and IBM Netcool/Omnibus. Artifact management: JFrog Artifactory. How you work Pragmatic SRE mindset with a bias to automate, document, and standardize. Comfortable pairing with developers and security to meet compliance without slowing down delivery. Thrives in Agile/Scrum, communicates clearly, and owns outcomes end‑to‑end. Please note that this is a permanent position, and we do not offer freelance/contract arrangement for the role. #LI-AK1 About Us Why join us Embark on your new adventure at Euroclear, and work at the heart of the global capital markets. We connect over 2,000 financial institutions across the globe. As an open and resilient infrastructure, we contribute to the stability of the financial markets. We help clients cut through complexity, lower costs, and mitigate risks of financial transactions. At Euroclear, we have the clear ambition to use our key role to facilitate and accelerate a sustainable global financial system. What We Offer: Work closely with inspiring, supportive and engaged colleagues from more than 80 different countries. Practice your talents in a highly professional international environment. Join a learning and development environment with an emphasis on knowledge sharing and training. Competitive salary and comprehensive benefits. Ways of working Find your own optimal balance within our hybrid working model, where you can connect at the office 8 days a month and also benefit from remote working. Great Place to Work for All We are committed to creating an inclusive culture that celebrates diversity and strives to be a Great Place to Work for All. All qualified applicants will be considered for employment, regardless of any aspect that makes them unique (including race, religion, national origin, gender, sexual orientation, age, marital status, pregnancy, disability, ...). If you need any specific accommodation due to disability or any other reason, you can let the recruiter know during your application process. Our values guide how we work together and shape our future: Our mission and values - Euroclear About the Team Group Technology Services (GTS) plans, builds and runs the global infrastructure of Euroclear, and is additionally responsible for the IT service management to the operating entities of the various Group markets. Group Technology Services operates its IT systems and IT services in such a way that, at an appropriate and benchmarked cost level, it can deliver the agreed levels of service to support the requirements of the business processes, for both normal operations and during disaster recovery.

🏢 Summary: Junior IT Systems Administrator role focused on maintaining and developing high-availability enterprise transactional systems and application environments. The position involves application server administration, performance monitoring, security support, and process automation in modern middleware and containerized environments. It is not an end-user support role but centers on application and server environment management. 🗂️ Requirements: Technical degree in IT or related field, 1–2 years experience in application or IT systems administration, Basic knowledge of Apache Tomcat, Basic knowledge of IBM WebSphere, Basic knowledge of Red Hat OpenShift, Experience with application installation and configuration, Understanding of performance monitoring and optimization, Knowledge of vulnerability management, Ability to automate administrative processes, Willingness to work with enterprise transactional systems 📃 Skills: Tomcat, WebSphere, OpenShift, Linux, Middleware, Automation, Monitoring, Security, DevOps, Documentation 🏢 Description: Szukamy Junior Administratora Systemów IT do pracy przy utrzymaniu i rozwoju aplikacji oraz systemów transakcyjnych klasy enterprise. To stanowisko dotyczy administracji aplikacjami i środowiskami serwerowymi — nie wsparcia użytkowników ani administracji komputerami. Jeżeli interesują Cię nowoczesne środowiska aplikacyjne, automatyzacja, wydajność systemów oraz praca z rozwiązaniami typu middleware i konteneryzacją – zapraszamy do aplikowania. Zakres obowiązków rozwój i utrzymanie systemów transakcyjnych zapewniających wysoką dostępność i wydajność, instalacja i konfiguracja aplikacji oraz środowisk opartych o: Apache Tomcat, IBM WebSphere, Red Hat OpenShift, monitorowanie wydajności aplikacji i optymalizacja działania systemów, zarządzanie podatnościami i wsparcie bezpieczeństwa aplikacji, automatyzacja i usprawnianie procesów administracyjnych, wsparcie wdrożeń zmian w środowiskach IT, udział w projektach rozwojowych i utrzymaniowych, tworzenie oraz aktualizacja dokumentacji technicznej. Wymagania wykształcenie techniczne (informatyka lub kierunki pokrewne), około 1–2 lata doświadczenia w administracji aplikacjami lub systemami IT- must have podstawowa znajomość: Apache Tomcat, WebSphere, Red Hat OpenShift, umiejętność analitycznego myślenia, odpowiedzialność i samodzielność, dobra komunikacja i chęć rozwoju w obszarze administracji aplikacyjnej. Mile widziane status studenta, zainteresowanie DevOps / automatyzacją, znajomość środowisk Linux, Oferujemy pracę w stabilnym projekcie związanym z systemami transakcyjnymi, możliwość rozwoju w kierunku administracji aplikacyjnej i middleware, współpracę z doświadczonym zespołem, elastyczny model pracy hybrydowej (wizyty w biurze sporadycznie – ok. 1–2 razy na 2 tygodnie lub rzadziej), możliwość współpracy B2B lub UZ.

🏢 Summary: B2B role for an experienced Application Consultant to design, develop, and maintain high‑performance, scalable insurance systems using Guidewire and Java. The position involves building cloud‑native, containerized microservices, contributing to architecture decisions, and implementing CI/CD and automated testing in a hybrid Warsaw setup. 🗂️ Requirements: Minimum 4+ years commercial experience as Guidewire or Java Developer, At least 3+ years hands-on experience with Guidewire (PolicyCenter or BillingCenter), Strong knowledge of Gosu and SQL, Experience with CI/CD pipelines and related tools, Strong understanding of OOP, functional programming, concurrency, design patterns, Experience with Docker, Kubernetes, Helm, Linux, Experience with event-driven architectures and distributed systems, Experience with Kafka and REST APIs 📃 Skills: Java, Guidewire, PolicyCenter, BillingCenter, Gosu, SQL, Git, Maven, Jenkins, GitHub, CI/CD, Docker, Kubernetes, Helm, Linux, Kafka, REST, OOP 🏢 Description: In Cyclad we work with top international IT companies in order to boost their potential in delivering outstanding, cutting edge technologies that shape the world of the future. Currently, for our client, we are looking for a skilled Application Consultant to join a dynamic development team. In this role, you will contribute to both the development of new products and the maintenance of existing systems. Your responsibilities will include software design, implementation, testing, and ongoing support, with a strong focus on high-performance and scalable solutions. Project information: Budget: up to 160 PLN net/h (B2B) Work model: Hybrid/ Warsaw (Wola) -up to 1 day per week in the office Type of employment: B2B contract Industry: insurance / financial services Key Responsibilities: Design, develop, and maintain software systems within a modern development environment Collaborate with cross-functional teams to deliver high-quality solutions Contribute to system architecture and technical design decisions Implement and maintain CI/CD pipelines and automated testing frameworks Build and optimize cloud-native, containerized applications Develop and integrate microservices and distributed systems Ensure performance, scalability, and reliability of applications Requirements: Minimum 4+ years of commercial experience as a Guidewire or Java Developer At least 3+ years of hands-on experience with Guidewire (PolicyCenter or BillingCenter) Strong knowledge of Gosu and SQL Solid experience with CI/CD pipelines, including tools such as Git, Maven, Jenkins, or GitHub Actions Strong software engineering fundamentals: OOP, functional programming, concurrency, and design patterns Experience with Docker, Kubernetes, Helm, and Linux environments Proven experience working with event-driven architectures, Kafka, REST APIs, and distributed systems Familiarity with AI-assisted development tools (e.g., GitHub Copilot) What We Offer: Private medical care with dental care (covering 70% of costs). Family package option possible Multisport card (also for an accompanying person) Life insurance International work environment