DevOps Engineer

🏢 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: DevOps Engineer role focused on maintaining and enhancing a complex, on-premise Kubernetes-based automation platform deployed globally. The position involves advanced troubleshooting across Linux, containers, networking, storage, and GPU layers, as well as building automation and observability to reduce on-site interventions. Includes international travel and participation in an on-call rotation to support production systems. 🗂️ Requirements: Strong Linux (Ubuntu) administration and troubleshooting experience, Hands-on Kubernetes cluster management and troubleshooting, Practical Docker experience, Solid networking diagnostics skills, Experience with NFS and storage troubleshooting, Operational knowledge of GPU/CUDA environments, Experience with RabbitMQ, Experience with PostgreSQL, Ability to handle production incidents across infrastructure and application layers, Willingness to participate in on-call rotation, Readiness for international travel and on-site support 📃 Skills: Linux, Ubuntu, Kubernetes, Docker, Networking, NFS, CUDA, GPU, RabbitMQ, PostgreSQL 🏢 Description: Position Overview Important: Travel & On-Call Requirements This role requires readiness for long-distance international travel to customer sites . The systems are deployed globally and, when issues cannot be resolved remotely, on-site interventions may be necessary , including deployments, upgrades, and complex troubleshooting activities. Additionally, the position includes participation in a rotational on-call / standby schedule , ensuring operational continuity and the ability to respond to critical incidents outside of standard working hours. We are looking for an experienced DevOps Engineer to join a team responsible for the maintenance and further development of a complex automation system deployed on-premise at customer sites . The system is based on Linux (Ubuntu) and a containerized Kubernetes architecture . The platform consists of multiple cooperating application and infrastructure components, including: backend services GPU-based computing components (CUDA) communication layer storage networking components The environment is characterized by high operational complexity and strong dependencies between system layers (OS, Kubernetes, applications, networking, storage). Systems are deployed across multiple locations worldwide and often operate in environments with limited local IT support, which requires high reliability and well-defined operational procedures. The DevOps role goes beyond reactive incident handling. A key objective of the project is to systematically reduce the need for on-site interventions by developing automated monitoring, diagnostics, and recovery mechanisms. Responsibilities Incident Handling and System Maintenance Diagnosing and resolving issues related to: Kubernetes clusters containers (Docker) Linux (Ubuntu) operating system networking storage (including NFS) Analyzing logs and service health across application and infrastructure layers Restoring full system functionality in production environments Performing system deployments and upgrades at customer sites Participating in on-site interventions when issues cannot be resolved remotely Automation, Observability, and System Resilience Designing and developing automated troubleshooting mechanisms Early detection of infrastructure and application-level issues Automated validation of the health of key system components: OS Kubernetes containers storage networking Building health checks and observability solutions (metrics, alerts, dashboards) Creating and maintaining: runbooks standard recovery procedures automated self-healing mechanisms Documenting common incidents, root causes, and resolution methods Collaboration and Architecture Improvement Close cooperation with development and architecture teams Contributing to architecture simplification and standardization Improving overall system stability and reliability Supporting long-term efforts to reduce operational overhead and manual interventions Technical Requirements Strong experience with Linux (Ubuntu) system administration and troubleshooting Hands-on experience with Kubernetes, including cluster troubleshooting and container analysis Practical knowledge of Docker Solid understanding of networking and diagnosing network-related issues Experience with NFS / storage troubleshooting Operational knowledge of GPU / CUDA environments (compatibility, stability) Experience working with: RabbitMQ PostgreSQL Additional Requirements Willingness to participate in an on-call / standby rotation Readiness for business travel, including on-site customer visits Ability to work independently in complex, distributed environments Strong analytical and problem-solving skills We offer Salary: 20–28k PLN B2B base + action fee Flexible working hours Remote work options Medical care program MultiSport Integration events A contract of employment or self-employment, depending on You

🏢 Summary: DevOps Engineer role focused on maintaining and enhancing a complex, on-premise automation platform deployed globally on Linux and Kubernetes. The position involves advanced troubleshooting, incident response, and development of automation, monitoring, and self-healing mechanisms to reduce on-site interventions. Includes international travel and participation in an on-call rotation to ensure high system reliability. 🗂️ Requirements: Strong Linux (Ubuntu) administration and troubleshooting experience, Hands-on Kubernetes cluster management and troubleshooting, Practical Docker experience, Solid networking knowledge and network diagnostics skills, Experience with NFS and storage troubleshooting, Operational knowledge of GPU and CUDA environments, Experience with RabbitMQ, Experience with PostgreSQL, Ability to handle production incidents and system upgrades, Willingness to participate in on-call rotation, Readiness for international travel and on-site work 📃 Skills: Linux, Ubuntu, Kubernetes, Docker, Networking, NFS, CUDA, GPU, RabbitMQ, PostgreSQL 🏢 Description: Position Overview Important: Travel & On-Call Requirements This role requires readiness for long-distance international travel to customer sites . The systems are deployed globally and, when issues cannot be resolved remotely, on-site interventions may be necessary , including deployments, upgrades, and complex troubleshooting activities. Additionally, the position includes participation in a rotational on-call / standby schedule , ensuring operational continuity and the ability to respond to critical incidents outside of standard working hours. We are looking for an experienced DevOps Engineer to join a team responsible for the maintenance and further development of a complex automation system deployed on-premise at customer sites . The system is based on Linux (Ubuntu) and a containerized Kubernetes architecture . The platform consists of multiple cooperating application and infrastructure components, including: backend services GPU-based computing components (CUDA) communication layer storage networking components The environment is characterized by high operational complexity and strong dependencies between system layers (OS, Kubernetes, applications, networking, storage). Systems are deployed across multiple locations worldwide and often operate in environments with limited local IT support, which requires high reliability and well-defined operational procedures. Responsibilities Incident Handling and System Maintenance Diagnosing and resolving issues related to: Kubernetes clusters containers (Docker) Linux (Ubuntu) operating system networking storage (including NFS) Analyzing logs and service health across application and infrastructure layers Restoring full system functionality in production environments Performing system deployments and upgrades at customer sites Participating in on-site interventions when issues cannot be resolved remotely Automation, Observability, and System Resilience Designing and developing automated troubleshooting mechanisms Early detection of infrastructure and application-level issues Automated validation of the health of key system components: OS Kubernetes containers storage networking Building health checks and observability solutions (metrics, alerts, dashboards) Creating and maintaining: runbooks standard recovery procedures automated self-healing mechanisms Documenting common incidents, root causes, and resolution methods Technical Requirements Strong experience with Linux (Ubuntu) system administration and troubleshooting Hands-on experience with Kubernetes, including cluster troubleshooting and container analysis Practical knowledge of Docker Solid understanding of networking and diagnosing network-related issues Experience with NFS / storage troubleshooting Operational knowledge of GPU / CUDA environments (compatibility, stability) Experience working with: RabbitMQ PostgreSQL Additional Requirements Willingness to participate in an on-call / standby rotation Readiness for business travel, including on-site customer visits Ability to work independently in complex, distributed environments Strong analytical and problem-solving skills We offer Flexible working hours Remote work options Medical care program MultiSport Integration events A contract of employment or self-employment, depending on You

🏢 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: Fully remote DevOps role focused on streamlining development and operations through automation, CI/CD pipelines, and infrastructure as code. The position involves improving system reliability, managing containerized environments, and optimizing application and infrastructure performance. You will collaborate with development teams to implement DevOps best practices and scalable deployment solutions. 🗂️ Requirements: Experience with continuous integration and continuous delivery, Strong knowledge of containerization technologies, Experience with Infrastructure as Code (IaC), Experience with automation of processes, Experience with GitHub and GitHub Actions, Ability to monitor and troubleshoot infrastructure and applications 📃 Skills: CI/CD, Docker, Kubernetes, IaC, Automation, GitHub, GitHubActions, Grafana, Dynatrace 🏢 Description: Location: fully remote Tasks: Collaborate with cross-functional teams to streamline development and operations processes. Implement and manage continuous integration and delivery pipelines for efficient software delivery. Enhance system reliability through automation of repetitive tasks and proactive identification of potential issues. Work closely with development teams to integrate DevOps best practices into the software development lifecycle. Monitor, troubleshoot, and optimize infrastructure and application performance. Implement and manage containerization and orchestration tools for scalable and efficient deployment. Collaborate on the design and implementation of infrastructure as code (IaC) solutions. Skills: Knowledge of continuous delivery and deployment. Strong background in containerization technologies. Experience with infrastructure as code (IaC) and automation. Ability to collaborate effectively in cross-functional teams. Experience in GitHub and GitHub Actions. Ideally Grafana, Dynatrace.

🏢 Summary: Remote backend engineering role focused on building secure, scalable backend services and APIs using Python and Java within a cloud-native, security-driven environment. The position involves developing microservices, managing Kubernetes-based deployments, and integrating with AWS and Splunk for security analytics and monitoring. The engineer will work closely with security and frontend teams in an Agile setup. 🗂️ Requirements: Minimum 3 years of backend engineering experience, Proficiency in Python 3, Proficiency in Java, Experience with RESTful APIs, Experience with microservices architectures, Hands-on experience with AWS (DynamoDB, IAM, Lambda, API Gateway), Strong knowledge of Redis and high-availability configurations, Experience with Docker and Docker Compose, Practical experience with Kubernetes, Experience with Helm, Experience with Splunk Enterprise data ingestion and analytics, Knowledge of HTTP Event Collector configuration, Experience with authentication and IAM, Experience integrating with Identity Providers, Bachelor’s degree in Computer Science, Engineering or equivalent experience 📃 Skills: Python, Java, REST, Microservices, AWS, DynamoDB, IAM, Lambda, APIGateway, Redis, Docker, Kubernetes, Helm, Splunk, SAML, SSO, HTTP, Webhooks, Protobuf, WebSockets 🏢 Description: Location: 100% remote Tasks Design, develop, and maintain scalable backend services and APIs Build secure, high-performance backend systems using Python 3 and Java Implement RESTful APIs and microservices architectures Implement and manage secure authentication flows using SAML 2.0 and SSO Integrate backend services with frontend components and collaborate with React developers Configure and maintain Splunk Enterprise integrations for security event monitoring Build and maintain Splunk dashboards for threat discovery and investigation Collaborate with security teams on Cisco Secure Firewall and Secure Network Analytics integrations Manage containerized deployments using Docker, Docker Compose, and Kubernetes Administer Kubernetes clusters including deployment, scaling, and Helm chart management Optimize Redis caching strategies including session management and pub/sub messaging Develop and maintain AWS DynamoDB data models and access patterns Configure and manage AWS IAM roles and security policies Implement serverless solutions using AWS Lambda and API Gateway Contribute to endpoint security analytics pipelines using Cisco AnyConnect NVM and CESA Configure NVM Collector and Splunk Add-Ons for endpoint analytics Participate in code reviews, architectural discussions, and technical documentation Work in an Agile/Scrum development environment Requirements At least 3 years of backend engineering experience Proficiency in Python 3 and Java Experience with RESTful APIs and microservices architectures Hands-on experience with AWS including DynamoDB, IAM, Lambda, and API Gateway Strong knowledge of Redis including high-availability cluster configurations Experience with Docker and Docker Compose for containerized development Practical experience with Kubernetes and Helm Experience with Splunk Enterprise data ingestion and analytics Knowledge of HTTP Event Collector configuration and webhook integrations Hands-on experience with security topics (IAM, auth) is highly desirable Experience integrating with Identity Providers and Active Directory attribute mapping Experience with Protobuf and WebSockets is an advantage Experience with Duo Network Gateway and secure access to on-premises resources is a plus Bachelor’s degree in Computer Science, Engineering, or equivalent practical experience Strong problem-solving skills and ability to work in a fast-paced environment Offer Multisport card Private healthcare Access to an e‑learning platform Group life insurance

🏢 Summary: Offer for a senior DevOps expert responsible for designing, implementing and migrating Cloud Native environments based on Kubernetes and OpenShift. The role focuses on containerization, CI/CD, Infrastructure as Code, and AI-driven DevOps automation, combined with technical consulting for clients. The position involves leading migrations, solving complex production issues, and building modern, scalable platforms. 🗂️ Requirements: Very good knowledge of Kubernetes architecture, networking, storage, operators, security, Hands-on experience with containerization, Practical experience with Red Hat OpenShift, Experience in migrations to Kubernetes/OpenShift, Experience in application modernization, Experience in CI/CD implementation, Knowledge of Infrastructure as Code, Knowledge of Kafka, Advanced programming skills in Python, Experience with DevOps automation and API integrations, Practical experience with AI in DevOps (LLM, AI agents), Ability to design and implement CI/CD pipelines, English level B2 or higher 📃 Skills: Kubernetes, OpenShift, Docker, CI/CD, GitLab, Jenkins, ArgoCD, Helm, Kustomize, AWSCDK, Ansible, Chef, Kafka, Python, LLM, Strands, LangGraph, AzureAI, Prometheus, Grafana, ELK, OpenTelemetry, AWS, Azure, GCP 🏢 Description: Poszukujemy doświadczonych ekspertów DevOps, którzy będą partnerami technologicznymi dla naszych klientów - od definiowania architektury i rekomendacji rozwiązań, po ich praktyczną implementację w środowiskach opartych o Kubernetes, Docker i OpenShift. Rola obejmuje również prowadzenie migracji oraz wsparcie w obszarze automatyzacji, modernizacji infrastruktury i wdrażania najlepszych praktyk DevOps. Twoja praca będzie polegała na: Doradztwie technologicznym i prowadzeniu warsztatów dla klientów z obszaru DevOps / Cloud Native Projektowaniu, budowaniu i rozwoju środowisk Kubernetes , OpenShift Migracji aplikacji i usług do architektur kontenerowych Projektowaniu i implementacji pipeline’ów CI/CD Automatyzacji infrastruktury (IaC) i procesów operacyjnych Rozwiązywaniu złożonych problemów technicznych w środowiskach produkcyjnych Współpracy z zespołami developerskimi, architektami oraz klientami biznesowymi Do realizacji zadań będzie Ci potrzebna: Bardzo dobra znajomość Kubernetes - architektura, networking, storage, operators, security Doświadczenie hands-on z konteneryzacją aplikacji Praktyczne doświadczenie z Red Hat OpenShift Realne doświadczenie w migracjach: do K8s/OpenShift modernizacji aplikacji migracji pipeline’ów i infrastruktury Bardzo dobra znajomość CI/CD (np. GitLab CI, Jenkins, Argo CD) Znajomość IaC (Helm, Kustomize, AWS CDK, Ansible, Chef) Znajomość Kafka Zaawansowane umiejętności programowania w Pythonie: automatyzacje DevOps integracje z API praca z frameworkami AI (np. Strands-agents, LangGraph, Azure AI SDK) Rozumienie koncepcji i praktyczne doświadczenie z AI w DevOps (LLM, agenci AI, automatyzacja procesów) Umiejętność pracy konsultingowej i samodzielnego prowadzenia projektów Język angielski na poziomie min. B2 Ucieszy nas jeśli posiadasz: Certyfikaty CKA, CKAD, CKS, Red Hat Doświadczenie z chmurą (AWS / Azure / GCP) Znajomość service mesh Monitoring: Prometheus, Grafana, ELK/EFK, OpenTelemetry Doświadczenie w optymalizacji kosztów i wydajności środowisk Z naszej strony możemy Ci zapewnić: Umowę UoP/B2B Pracę zdalną/hybrydową/stacjonarną – Gliwice, Opole Udział w projektach międzynarodowych Program poleceń – za każde polecenie oferujemy 5 000 - 8000 zł brutto Realny wpływ na kształtowanie rozwiązań AI i strategii dla klientów Możliwość rozwoju zarówno technicznego, jak i konsultingowo-biznesowego Możliwość dołączenia do benefitów: opieki medycznej Medicover, karty Multisport, ubezpieczenia na życie Uniqua, lektoratów z języka angielskiego i niemieckiego Niekorporacyjną atmosferę Środowisko, w którym liczy się inicjatywa, odpowiedzialność i jakość Spotkania Team’owe. Wyjazdy integracyjne firmowe zarówno w Polsce, jak i za granicą (Niemcy, Francja)

🏢 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: Senior Infrastructure / DevOps Engineer role focused on operating and evolving on-premises infrastructure while expanding cloud capabilities in hybrid environments. The position combines infrastructure administration, automation, CI/CD, and Kubernetes operations, supporting mission-critical production systems. Includes mandatory 24x7 L2 on-call participation to ensure high availability and reliability. 🗂️ Requirements: 7+ years experience in infrastructure or DevOps roles, Strong hands-on experience with on-premises environments, Solid experience with Proxmox and KVM virtualization, Strong Linux systems administration expertise, Proven production experience with Ansible, Knowledge of IP networking, routing, VLANs and firewalls, Experience with SAN/NAS storage and high-availability architectures, Experience with CI/CD tools, Experience with monitoring and observability stacks, Scripting skills in Bash or Python, Experience with PostgreSQL or Oracle administration, Hands-on experience with Docker, Operational knowledge of Kubernetes, Experience with AWS or Azure, Availability for 24x7 L2 on-call rotation 📃 Skills: Proxmox, KVM, Linux, Ansible, CICD, GitLab, Jenkins, Bash, Python, PostgreSQL, Oracle, Docker, Kubernetes, AWS, Azure, Prometheus, Grafana, SAN, NAS, VLAN, Firewalls, IP, Routing 🏢 Description: We are looking for a Senior Infrastructure / DevOps Engineer with strong hands-on experience in on-premises infrastructure and automation, who is evolving or consolidating their skills in cloud environments . This role is critical to the stability, reliability and continuous improvement of our technology platforms, including mission-critical production systems. This position combines infrastructure administration, DevOps practices, automation and continuous operations , with mandatory participation in a x7 on-call rotation (L2 support) . Key Responsibilities On-Premises Infrastructure (Core Focus) Operate, maintain and evolve on-premises infrastructure , ensuring stability, performance and high availability. Administer virtualization environments based on Proxmox (KVM) , including clusters, capacity planning and HA. Manage storage systems (SAN/NAS), including performance, redundancy, backup and recovery. Perform Linux systems administration , including hardening, patching, security and best practices. Work with networking concepts such as IP networking, VLANs, basic routing and firewalls . DevOps & Automation Automate infrastructure provisioning and configuration using Ansible and Infrastructure as Code principles. Build, maintain and improve CI/CD pipelines . Collaborate closely with development teams to improve deployment, reliability and troubleshooting processes. Reduce manual operational tasks through automation and standardization. Cloud Operations (Growth & Consolidation Phase) Operate and support public cloud environments (AWS, Azure) , primarily using IaaS services. Work in hybrid environments (on-prem + cloud) , ensuring integration, security and operational consistency. Apply cloud best practices related to cost management, security and reliability. Operate and support Kubernetes workloads , with a focus on day-to-day operations, networking, storage and troubleshooting. Reliability, Operations & On-Call Ensure high levels of availability, reliability and operational excellence . Participate actively in a 24x7 on-call rotation (L2 support) for production systems. Respond to incidents, perform root cause analysis and define corrective and preventive actions. Implement and maintain solutions (e.g., Prometheus, Grafana) for monitoring, logging and metrics . Collaboration & Documentation Work closely with engineering and product teams in a multidisciplinary environment. Create and maintain clear and practical documentation (runbooks, operational guides, handbooks). Support onboarding and promote operational and infrastructure best practices. Key Requirements 7+ years of experience in infrastructure, systems, DevOps or similar roles. Strong, hands-on experience with on-premises environments . Solid experience with Proxmox (KVM) . Strong knowledge of Linux systems administration . Proven experience using Ansible in production environments. Good understanding of networking fundamentals (IP, routing, firewalls, VLANs). Strong understanding of storage concepts and high-availability architectures. Experience with CI/CD tools (GitLab CI, Jenkins or equivalent). Experience with monitoring and observability stacks . Scripting skills (Bash, Python or similar). Experience with database administration (e.g. PostgreSQL, Oracle). Hands-on experience with container technologies such as Docker. Functional knowledge of Kubernetes , with an operational focus. Experience with public cloud platforms (AWS and/or Azure) . Profile & Mindset Strong operational mindset and sense of ownership. Comfortable working with critical production systems . Able to work autonomously and make technical decisions. Clear interest in growing cloud skills , grounded in strong traditional infrastructure experience. Practical, resilient and solution-oriented approach. Strong communication and collaboration skills. Professional proficiency in English (written and spoken).

🏢 Summary: DevOps role focused on managing containerized environments and enterprise infrastructure with a cloud-native approach in a highly flexible hybrid model. The position involves maintaining CI/CD pipelines, databases, monitoring systems, and collaborating across technical teams. It offers long-term cooperation with strong ownership over infrastructure projects. 🗂️ Requirements: Strong experience with Windows Server 2012 R2+, Experience with IIS 10, Proficiency in Linux systems (RHEL), Experience with Docker container administration, Experience with Kubernetes clusters, Strong scripting skills in Ansible, Strong scripting skills in Shell, Strong scripting skills in PowerShell, Knowledge of SQL and relational databases, Understanding of TCP/IP networking, Experience with monitoring tools (SCOM, Nagios, Splunk, Zabbix, Prometheus), Experience maintaining MS SQL databases, Ability to communicate in English and Polish (B2) 📃 Skills: Docker, Kubernetes, Ansible, PowerShell, Shell, Batch, Windows, Linux, RHEL, IIS, MSSQL, SQL, TCP/IP, SCOM, Nagios, Splunk, Zabbix, Prometheus, CI/CD 🏢 Description: Looking for a DevOps role that perfectly blends enterprise system stability with a modern, cloud-native approach? How about TRUE flexibility with only 2 days a month in the office? Join us and take your infrastructure management skills to the next level! Your day-to-day responsibilities will include: Managing containerized applications with Docker on Kubernetes clusters Automating CI/CD pipelines using Ansible, shell scripting, and PowerShell Maintaining MS SQL databases and various web services Setting up and evolving infrastructure monitoring tools Collaborating closely with developers, testers, sysadmins, and business teams We're looking for someone who: Has strong experience with Windows Server (2012 R2+) and IIS 10 Is proficient in Linux systems, especially RHEL Knows container administration on both Windows and Linux platforms Has solid scripting skills in Ansible, shell, batch, and PowerShell Understands SQL and relational databases Is familiar with networking fundamentals like TCP/IP Has experience with monitoring tools (SCOM, Nagios, Splunk, Zabbix, Prometheus) Is an independent problem solver with strong analytical thinking Can communicate effectively in English and Polish at B2 level Bonus points for knowledge of Kubernetes, Azure, Redis, Grafana, Prometheus, MongoDB, PKI, cryptography, multi-tier system architecture, and load balancing. What we offer: Competitive pay between 110 and 130 PLN/h net (B2B) or an employment contract Highly flexible hybrid work model with just 2 days/month in Łódź office Great opportunity to grow your skills and take ownership of projects Stable long-term cooperation