cloud & virtualization senior specialist (openstack fusionsphere)

توضیحات آگهی

Responsible for designing operating and continuously improving the organization s cloud and virtualization platforms based on OpenStack and FusionSphere The role ensures high availability scalability automation and security across compute storage and networking layers while also operating maintaining and optimizing Kubernetes clusters to support reliable and scalable containerized applications Responsibilities Develop service operations and troubleshooting processes to maintain technological excellence and improve operational efficiency and service uptime Provide operational input to the architecture and strategies of Charging Systems Mediation and Roaming Implement operational strategies related to Charging Systems PCRF and VAS Cloud Infrastructure Ensure the stability availability and continuous operation of Charging PCRF and VAS services to meet business requirements Collaborate with Network ITS and other related teams to ensure proper integration between systems applications and nodes Operate maintain and optimize cloud infrastructure based on OpenStack and FusionSphere Design and implement high availability HA load balancing and scalability solutions for critical services Perform advanced troubleshooting across compute network and storage layers Administer core OpenStack components such as Nova Neutron Cinder Glance Keystone and Heat Manage virtualization clusters and hypervisors KVM Implement and maintain SDN and overlay technologies such as VXLAN Geneve and SR IOV Manage and tune storage backends including Ceph FusionSphere Storage and SAN Conduct capacity planning monitoring and performance optimization Implement infrastructure automation using Ansible Terraform is considered an advantage Maintain accurate technical documentation and operational runbooks Work closely with DevOps Security and Application teams Communicate with the NOC Network Operation Center regarding service impacts changes and escalation procedures Coordinate with ITS and business teams during major incidents to ensure rapid response and proper support Manage second line support for Charging Systems PCRF and VAS Cloud services and guide first line support teams Analyze industry trends in service operations and identify areas for internal improvement Deploy and manage workloads using Helm Kubernetes manifests and GitOps workflows Implement observability solutions using Prometheus Alertmanager and Grafana Operate and support ELK Elastic Stack for logging and analytics Participate in on call rotations for infrastructure or cluster related incidents when required Requirements Bachelor s degree or higher in Computer Engineering Information Technology or a related field Minimum 3 years of experience in a relevant specialization Experience working in medium to large organizations Strong knowledge of cloud computing and virtualization platforms Advanced experience with OpenStack components and architecture Strong understanding of Kubernetes clusters and container orchestration Expertise in virtualization technologies and KVM hypervisors Experience with SDN overlay networking technologies Knowledge of storage systems and backend technologies such as Ceph or SAN Advanced troubleshooting skills across compute network and storage layers Experience with observability tools including Prometheus Alertmanager and Grafana Knowledge of ELK Elastic Stack for logging and analytics Proficiency in automation tools such as Ansible Strong understanding of system performance capacity management and disaster recovery Familiarity with IT service management configuration management and infrastructure architecture تهران تهران پاسداران تمام وقت ایرانسل لبز کارشناس ارشد جنسیت تفاوتی ندارد تلکام