Sr. Telecommunication Engineer

Neurealm Company; Chennai; On-site; INR 1,200,000 - 2,400,000; Full time

Job summary

Neurealm Company is seeking a Sr. Telecommunication Engineer in Chennai to lead testing, deployment and integration of Oracle 5G Core Network Functions, including SCP, NRF and SEPP.

You will work with Kubernetes/OpenShift environments, perform troubleshooting, validation of inter-PLMN roaming, and implement security configurations. The role emphasizes deep understanding of 5G SBA, service routing, and NF behaviors, with hands-on skills in cloud-native deployments, logs and KPI analysis, and

Qualifications

• Strong understanding of 5G SA Core architecture and 3GPP SBA.
• Hands-on or good working knowledge of SCP, NRF, and SEPP.
• Experience with Kubernetes/OpenShift environments for CNF deployment and troubleshooting.

Responsibilities

• Perform functional, integration, regression, upgrade, and interoperability testing for SCP, NRF, and SEPP.
• Support deployment, configuration, upgrade, and troubleshooting of 5G Core CNF in cloud environments.
• Validate SCP routing, NRF registration, service routing, and inter-PLMN roaming.

Skills

5G Core

SCP

NRF

SEPP

Kubernetes

Docker

Shell scripting

Python

Troubleshooting

Tools

kubectl

curl

openssl

tcpdump

Wireshark

OpenShift

VMware

Prometheus

Grafana

Kibana

OpenSearch

Jenkins

GitLab CI

Job description

## Sr. Telecommunication Engineer02-11-2026 19:18:15Job\\_3049288 - 10 years* Chennai, Tamil Nadu, India (CHN)Location - BangloreOracle Communications – 5G Core Network Functions Test & Deployment EngineerFocus: SCP, NRF, SEPPJob SummaryWe are looking for a skilled Oracle Communications 5G Core Network Functions Test & Deployment Engineer to support testing, deployment, upgrade, integration, and validation activities for Oracle 5G Core Network Functions, mainly SCP, NRF, and SEPP.The candidate should have good understanding of 5G SA Core architecture, Service-Based Architecture, SCP configuration, NRF registration/discovery, SEPP roaming/interconnect, and 5G SBA communication models, especially Model-C and Model-D.Key ResponsibilitiesPerform functional, integration, regression, upgrade, and interoperability testing for SCP, NRF, and SEPP.Support deployment, configuration, upgrade, and troubleshooting of Oracle cloud-native 5G Core applications.Validate SCP routing, NF service routing, load balancing, failover, and delegated discovery.Validate NRF registration, discovery, heartbeat, NF profile, and service availability.Validate SEPP inter-PLMN roaming, N32 interface, secure communication, and TLS/mTLS-based connectivity.Execute and troubleshoot 5G SBA call flows using HTTP/2, REST APIs, TLS/mTLS, JSON/YAML.Validate Model-C and Model-D communication flows through SCP.Work on Kubernetes/OpenShift environments for CNF deployment, scaling, monitoring, and troubleshooting.Analyze logs, traces, packet captures, KPIs, alarms, and application metrics.Prepare test plans, test cases, validation reports, RCA inputs, and customer-facing technical updates.Required SkillsStrong understanding of 5G SA Core architecture and 3GPP SBA.Hands-on or good working knowledge of Oracle SCP, NRF, and SEPP.Good understanding of related NFs such as AMF, SMF, PCF, UDM, UDR, AUSF, NSSF, and NEF.Knowledge of SCP configuration, routing rules, delegated discovery, NF selection, and service routing.Understanding of Model-C and Model-D communication models.Knowledge of SEPP roaming/interconnect, N32 interface, TLS/mTLS, and topology hiding.Experience with Kubernetes, Docker/Containers, Helm charts, ConfigMaps, Secrets, Services, and Pods.Troubleshooting experience using kubectl, helm, curl, openssl, tcpdump, Wireshark, logs, and traces.Basic scripting knowledge in Shell and Python.Nice to HaveExperience with Oracle 5G Core deployments.Experience in customer lab, production, upgrade, or migration activities.Knowledge of Prometheus, Grafana, OpenSearch/Kibana, Fluentd, Jenkins, GitLab CI, and Linux administration.Understanding of certificate management, PKI, TLS/mTLS, and cloud platforms such as Openstack, Openshift ,VMWare, BareMetalSoft SkillsStrong analytical and troubleshooting skills.Good communication and customer interaction skills.Ability to work with cross-functional and global teams.Quick learner with strong ownership and problem-solving mindset.