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Back Office NFVI Engineer

Back Office NFVI Engineer

Connect44 este o companie care își prețuiește cu adevărat angajații și promovează o cultură a colaborării și a inovației.

Despre Job

Connect44 is seeking an Back Office NFVI Engineer to join our team in Bucharest on a permanent basis.

Locație: Romania, Bucharest

Poziții disponibile: 1 position

Tipul job-ului: Permanent

Număr referință job: ro10

Main activities and tasks:

  • Provide 2nd line operational support for the Cloud Infrastructure platform (Ericsson CEE, NFVI, ECCD, and SDI), ensuring high availability and performance.
  • Manage the lifecycle of Infrastructure-related Incidents, Problems, and Changes, coordinating with vendors, field teams, and stakeholders.
  • Perform configuration, integration, and maintenance of infrastructure components (e.g., CEE/OpenStack compute and network nodes, ECCD/Kubernetes clusters, SDI Ceph storage, and OVS/SR-IOV data plane).
  • Participate in platform upgrades and expansions, including software upgrades of CEE, ECCD, and SDI components, and the onboarding of new infrastructure nodes or capacity for a European operator.
  • Monitor infrastructure platform stability and resource utilisation alarms (compute, storage, networking); investigate performance degradations, troubleshoot anomalies, and restore service.
  • Assist in Change Management activities such as planning, executing, and validating configuration changes, software updates, and parameter adjustments.
  • Conduct acceptance testing and validation of new equipment, features, and site upgrades prior to production rollout.
  • Provide remote technical support to field engineers during installation, migration, and troubleshooting activities.
  • Contribute to knowledge sharing and documentation regarding operational procedures, troubleshooting guides, and lessons learned.
  • Deliver managed services during standard business hours and participate in on-call rotations, acting as technical authority for Infrastructure-related escalations.
  • Support continuous improvement initiatives within operations, focusing on network resilience, automation, and efficiency.

Required Education & Trainings:

  • Bachelor’s degree in Telecommunications, Networking, or IT Engineering (or equivalent experience).

Required Experience:

  • Background in Incident, Problem, and Change Management in an operations/NOC setting.
  • Experience in remote or site operations (integration, acceptance, commissioning, testing, maintenance, and support) of cloud infrastructure components.
  • Familiarity with network monitoring and troubleshooting tools.
  • Experience working with multi-vendor telecom networks is desirable, with a strong focus on Ericsson equipment.

Specific skills & technical knowledge:

  • Very good knowledge of NFV/cloud infrastructure architectures, OpenStack, Kubernetes, and SDN concepts, including ETSI NFV MANO frameworks and telco cloud deployment models.
  • Extensive experience with Ericsson infrastructure products: CEE (Cloud Execution Environment / OpenStack), ECCD (Ericsson Cloud Container Distribution / Kubernetes), and SDI (Software Defined Infrastructure / Ceph storage and OVS networking).
  • Knowledge of and ability to troubleshoot virtualisation and cloud infrastructure issues, including KVM hypervisor, SR-IOV/DPDK data plane, OVS/OVN networking, and Ceph storage fault investigation.
  • Knowledge of collecting and interpreting infrastructure logs, metrics, and traces using observability tooling (e.g., Prometheus, Grafana, ELK/OpenSearch stack, or Ericsson ENM/VNFM).
  • Ability to troubleshoot compute, storage, and network resource contention and capacity issues within a virtualised infrastructure environment.
  • Knowledge of data centre networking technologies including BGP, OSPF, VLAN, VXLAN, spine-leaf topologies, and their application in telco cloud environments.
  • Knowledge of UNIX or LINUX operating systems.
  • Scripting skills (Bash, Python, Ansible) and experience with CI/CD and infrastructure-as-code tooling (Helm, Argo CD, Terraform) for automated platform lifecycle management.
  • Strong analytical, troubleshooting, and problem-solving skills.
  • Excellent communication and documentation abilities.

What we offer:

  • Growth Opportunities – Support for learning and career advancement.
  • Work-Life Balance – Flexible hours and hybrid work options.
  • Inclusive Culture – A welcoming, diverse environment where everyone feels valued.
  • Generous Time Off – 26 days of holiday plus bank holidays.