OpenShift Platform Engineer 18498

Celsus Engineering AB

Description Build the next-generation payment platform on a modern and future-proof tech stack. Working in a cross-functional team What we’re looking for Proven ability to design, optimize, and operate data-intensive systems, including schema design, performance tuning, and production troubleshooting in MS SQL Server–based environments. Deep understanding of database performance and reliability, including indexing strategies, query optimisation, and handling production issues. Experience building and operating backend services using .NET/C#, with a solid understanding of microservice architectures and distributed systems. Experience designing and working with asynchronous messaging and event-driven systems, using Kafka, IBM MQ, or similar technologies. Experience running services in containerised and orchestrated environments (Docker, Kubernetes/OpenShift), with awareness of scaling, resilience, and failure modes. Experience contributing to or owning CI/CD pipelines for database changes and deployment automation, with a focus on safe, repeatable releases. A collaborative engineering mindset, with a willingness to share knowledge, learn continuously, and improve how the team builds and runs software. Meritorious with experience from financial services, payments, or other regulated environments. Strong communication skills, with fluency in English; Swedish is a plus

Hybrus AB

Location: Sweden (Hybrid) Level: Mid–Senior Security Clearance: Swedish Security Level 2SE required ABOUT THE ROLE We are looking for an experienced Kubernetes Operations Engineer to join our team in Sweden on a consulting basis. In this role you will be responsible for the day-to-day administration, stability, security and lifecycle management of Kubernetes clusters — whether self-managed (kubeadm, Rancher, OpenShift) or managed cloud offerings (AKS, EKS, GKE). You will work closely with development, platform and security teams to ensure container workloads run reliably, efficiently and securely at scale. KEY RESPONSIBILITIES • Administer, maintain and upgrade Kubernetes clusters across development, staging and production environments • Monitor cluster health, node performance and workload availability using Prometheus, Grafana, Alertmanager and Loki or equivalent observability stacks • Manage cluster networking: CNI plugins (Calico, Flannel, Cilium), Ingress controllers (NGINX, Traefik), Network Policies and Service Mesh (Istio or Linkerd) where applicable • Administer storage: Persistent Volumes, Storage Classes, dynamic provisioning and integration with NFS, Ceph, Longhorn or cloud-native storage backends • Implement and enforce Role-Based Access Control (RBAC), Pod Security Standards, network policies and secrets management (Vault, Sealed Secrets or native Kubernetes Secrets) • Manage cluster lifecycle including node provisioning, certificate rotation, etcd backup and recovery, and control-plane upgrades • Operate and troubleshoot Helm-managed releases; maintain Helm charts and oversee chart versioning and rollbacks • Support GitOps workflows using Argo CD or Flux for declarative cluster state management • Collaborate with development teams on resource quotas, limit ranges, HPA/VPA autoscaling and workload scheduling • Perform capacity planning, cost optimisation and rightsizing of cluster resources • Respond to and resolve incidents involving cluster components, networking, storage and application workloads • Maintain documentation of cluster architecture, runbooks and operational procedures • Participate in on-call rotation as required REQUIRED QUALIFICATIONS • 4+ years of hands-on Kubernetes operations experience in production environments • Strong knowledge of Kubernetes core concepts: Pods, Deployments, StatefulSets, DaemonSets, Services, ConfigMaps, Secrets, RBAC and Namespaces • Experience administering self-managed clusters (kubeadm) and/or managed Kubernetes services (AKS, EKS or GKE) • Solid understanding of Kubernetes networking: CNI plugins, Ingress, DNS (CoreDNS), Network Policies and Load Balancing • Experience with cluster monitoring and observability: Prometheus, Grafana and Alertmanager • Proficiency in Helm for package management and release lifecycle • Hands-on experience with etcd backup/restore, certificate management and control-plane troubleshooting • Scripting skills in Bash and/or Python for automation and operational tasks • Familiarity with container runtimes: containerd, CRI-O or Docker • Experience with Linux (RHEL, Ubuntu or equivalent) as the underlying node OS PREFERRED QUALIFICATIONS • Experience with GitOps tooling: Argo CD or Flux for declarative continuous delivery • Knowledge of Service Mesh technologies: Istio or Linkerd for traffic management and mTLS • Familiarity with Kubernetes security tooling: Falco, OPA/Gatekeeper, Kyverno or Trivy • Experience with cluster autoscaling: Cluster Autoscaler, KEDA or Karpenter • Exposure to OpenShift or Rancher enterprise Kubernetes platforms • Infrastructure-as-Code experience with Terraform or Ansible for cluster provisioning and configuration • Kubernetes certifications: CKA (Certified Kubernetes Administrator) or CKS (Certified Kubernetes Security Specialist) strongly preferred • Familiarity with cloud networking and IAM in AWS, Azure or GCP in the context of managed Kubernetes • Background in ITIL or structured service management frameworks SECURITY CLEARANCE REQUIREMENT ⚠️ This position requires Swedish Security Clearance Level 2SE (Säkerhetsskyddad anställning, nivå 2). An extended background check will be conducted as part of the hiring process. To be eligible, candidates must have resided in Sweden for the past 3 years without interruption. Candidates who do not meet this residency requirement cannot be considered for this role.

TechStack Global AB

Role Overview We are looking for a highly skilled and hands-on Genesys Cloud Developer / Technical Engineer to join our internal development team. In this role, you will contribute directly to the design, development, configuration, and continuous improvement of our future cloud-based Genesys platform and the ecosystem of connected systems within the Contact Centre domain. You will work closely with architects, developers, product owners, and operational teams to build scalable, secure, and modern customer interaction solutions. This position requires strong technical expertise, a proactive mindset, and the ability to work in a fast-paced, collaborative environment. Key Responsibilities Participate as a core member of the internal development team, contributing to the evolution of our cloud-based Contact Centre platform. Perform hands-on development, configuration, and customization within Genesys Cloud, ensuring high-quality and maintainable solutions. Build, enhance, and maintain integrations between Genesys Cloud and various internal/external systems using APIs, microservices, and automation frameworks. Develop features and flows within Genesys Cloud Architect, including IVR logic, routing strategies, data actions, and event-driven workflows. Collaborate with cross-functional teams to translate business requirements into technical solutions aligned with best practices. Support continuous improvement initiatives, including automation, monitoring, and optimization of platform performance. Contribute to the modernization of legacy contact centre components and assist in cloud migration activities. Ensure adherence to security, compliance, and operational standards across all development and configuration work. Troubleshoot complex issues across the Genesys Cloud environment and connected systems, providing root-cause analysis and long-term fixes. Participate in Agile ceremonies, sprint planning, and technical discussions, bringing forward ideas and improvements. Must-Have Skills & Experience To succeed in this role, candidates must have: Several years of hands-on experience with Genesys Cloud, including development, configuration, and platform administration. Strong practical experience with Genesys Cloud Architect, API integrations, routing, IVR design, and data actions. Solid development experience in one or more of the following technologies: Java C# JavaScript Python Experience building and maintaining integrations using REST APIs, microservices, and event-driven patterns. Ability to work in Agile teams and contribute to end-to-end development cycles. Strong problem-solving skills and the ability to work independently on complex technical tasks. Nice-to-Have Skills & Experience The following skills are not mandatory but will be considered strong advantages: Experience with Kubernetes for container orchestration and deployment. Knowledge of AWS cloud services and cloud-native development practices. Hands-on experience with Jenkins for CI/CD pipelines and automation. Familiarity with WebLogic for legacy system integration or migration. Experience with Terraform for infrastructure-as-code and cloud provisioning. Exposure to DevOps practices, Docker, OpenShift, Kafka, or other modern integration technologies. Understanding of Contact Centre modernization, cloud migration strategies, and scalable architecture patterns. Personal Attributes Strong communication skills and ability to collaborate with technical and non-technical stakeholders. Proactive, self-driven, and comfortable taking ownership of tasks. Analytical mindset with attention to detail and quality. Ability to adapt to evolving technologies and business needs.