← Back to London Jobs
Position Details
Career Opportunity and Primary Roles / Responsibilities
- Deploy and manage production‑grade OpenShift clusters (4.x/5.x).
- Create and maintain Helm charts and Operators for DU/CU micro‑services.
- Implement and tune CI/CD pipelines (GitLab/Jenkins/ArgoCD).
- Configure and monitor CNI stacks (OVS‑DPDK, Multus) and SR‑IOV VF pools for RAN performance.
- Package DU and CU functions (e.g. O‑RANDU, 2G Core (MSC, HLR), 5G‑Core UPF) as OCI images.
- Perform CPU‑pinning, HugePages, NUMA‑aware scheduling, and kernel‑tuning for sub‑millisecond latency.
- Drive rolling upgrades of DU/CU pods with zero‑impact on active traffic.
- Conduct latency, throughput, and jitter measurements; use Prometheus/Grafana dashboards to drive optimisation.
- Diagnose pod crashes, etcd corruption, network‑policy violations, and storage‑class mismatches.
- Apply resource‑limit policies (requests/limits) and pod‑restart strat...