{"id":3871184,"url":"https://alion.io/job/n7-mobile-devops-engineer-openshift-kubernetes","title":"DevOps Engineer (OpenShift & Kubernetes)","company":{"id":4491412,"name":"N7 Mobile","domain":"n7mobile.com","url":"https://alion.io/company/n7-mobile","size_band":"1-10","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":null},"role":"DevOps","role_family":"DevOps","seniority":null,"employment_type":"contractor","work_mode":"remote","remote_scope":"stated_countries","remote_scope_basis":"board_field","remote_working_hours":null,"hiring_geo_confidence":"inferred","locations":["Warsaw, Poland"],"countries":["PL"],"hiring_countries":["PL"],"hiring_countries_total":1,"salary":null,"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Apache 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Workloads: Containerized Java (Spring Boot), Apache Kafka, Oracle, IBM DB2, JDBC\n\nCloud & Tools: Enterprise Banking Infrastructure, GCP (nice to have)\n\nThe Mission\nA major bank is moving its securities processing from an old mainframe to a modern, cloud-native OpenShift setup.\nYou won’t need to build clusters from scratch or write Helm charts from zero, the client provides the platform and base templates.\nYour job is purely practical: configure the environments, secure the network connections, deploy the services via Helm, and make sure the apps talk smoothly to Kafka and backend databases (Oracle/DB2).\nWhat You Will Do\nShape the Target Environments: Tailor OpenShift namespaces, configure traffic ingress/routing, and establish the baseline environment configurations that test and production stages will replicate.\n\nTackle Network & Security Plumbing: Map and validate firewall matrices; establish resilient, encrypted connections (mTLS, PKI) between Spring Boot services, Kafka event streams, and relational data stores (Oracle/DB2).\n\nAutomate & Orchestrate: Parameterize Helm deployments via environment-specific values, implement GitOps release pipelines, and design failsafe upgrade and rollback paths.\n\nDocument for Production Readiness: Translate architectural requirements into practical runbooks, connectivity sheets, and deployment guides to prepare operational teams for the live 2027 cutover.\n\nCollaborate Across Streams: Partner with database administrators, mainframe developers, and security architects to resolve integration blockers and align on identity (OIDC) and access configurations.\n\nWho We Are Looking For\nOpenShift & Kubernetes Practitioner: Track record of managing workloads on Red Hat OpenShift within tightly regulated, enterprise-grade ecosystems.\n\nDeployment Automation Pro: Thorough understanding of Helm architecture, GitOps patterns, environment branching, and automated release rollbacks.\n\nSecurity-Minded Engineer: Practical expertise with enterprise secrets management, PKI, certificate distribution, and mutual TLS authentication.\n\nIntegration Troubleshooter: Hands-on experience debugging connectivity issues between containerized Java applications, message brokers (Kafka), and enterprise relational databases.\n\nWorks independently and is comfortable using English on a daily basis.\n\nBonus Points:\nAbility to read technical documentation in German (vendor specifications).\n\nPrior exposure to Google Cloud Platform (GCP).\n\nDomain knowledge in securities processing, clearing, or corporate actions.\n\nTech 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