4G/5G Core Network DB Operator - Hybrid/Remote

T-Mobile US Inc.; Madrid; Hybrid; EUR 55,000 - 75,000; Full time

Benefits offered by this job

Hybrid work model (remote/on-site)

Flexible working hours

Wellbeing & time off

Health insurance

Professional development

Job summary

T-Systems Iberia in Madrid is seeking a 4G/5G Core Network DB Operator to manage end-to-end 5G and 4G core frontend systems in a cloud environment. You will monitor with Kibana/Grafana, resolve incidents, and handle cluster status using kubectl/k9s, while applying GitOps and performing protocol tracing with NetScout and Wireshark.

The role emphasizes on-call readiness after thorough training, with a hybrid work model and international, collaborative exposure within a cross-country team.

Qualifications

• In-depth knowledge and experience in 5G Core (UDM, AMF, SMF, NRF).
• Confident use of kubectl
• Confident use of k9s
• Confident use of Kibana
• Confident use of Grafana
• Confident use of GitOps
• Confident use of Netscout
• Confident use of Wireshark
• Experience in YAML
• Experience in JSON
• Experience in agile forms of cooperation
• Basic willingness to take on on-call duty after thorough training

Responsibilities

• End-to-end operation of the frontend systems in the 5G Core domain (UDM, AMF, SMF, NRF) as well as the 4G Core (HSS and DRA) in a cloud environment
• Monitoring of frontend systems in the 5G/4G Core domain with Kibana and Grafana
• Incident resolution and support for problem management
• Checking the cloud cluster status using kubectl and k9s
• Adjusting configurations using GitOps, including change management
• Protocol-level tracing using NetScout and Wireshark

Skills

5G Core

kubectl

k9s

Kibana

Grafana

GitOps

NetScout

Wireshark

JSON

YAML

Agile cooperation

On-call readiness

Tools

Kubectl

K9s

Kibana

Grafana

GitOps

NetScout

Wireshark

YAML

JSON

Job description

T-Systems Iberia in Madrid is seeking a 4G/5G Core Network DB Operator to manage end-to-end 5G and 4G core frontend systems in a cloud environment. You will monitor with Kibana/Grafana, resolve incidents, and handle cluster status using kubectl/k9s, while applying GitOps and performing protocol tracing with NetScout and Wireshark.

The role emphasizes on-call readiness after thorough training, with a hybrid work model and international, collaborative exposure within a cross-country team.