JD – RAN / 4G / 5G Engineer – Romania

Position: RAN / 4G / 5G Engineer

Location: Romania / Remote from India

Experience: 3–8 years

Employment: Full time / Managed Services

Job Summary

We are looking for experienced RAN / 4G / 5G Engineers to support telecom operators and network technology customers in Romania. The engineer will be responsible for RAN operations, integration, troubleshooting, performance monitoring and optimization across 2G/3G/4G LTE and 5G NR networks.

Key Responsibilities

- Monitor and manage 2G/3G/4G/5G RAN networks.
- Perform fault monitoring, troubleshooting and incident resolution.
- Analyze RAN KPIs including RRC, ERAB, throughput, handover, PRB utilization, accessibility and retainability.
- Perform 4G LTE and 5G NR performance analysis and optimization.
- Support RAN integration, commissioning, configuration and software upgrades.
- Perform RCA for network outages, degradation, call drops, congestion and coverage issues.
- Execute configuration and parameter changes through OSS/EMS platforms.
- Support VoLTE, VoNR, Carrier Aggregation, MIMO, DSS and mobility optimization.
- Coordinate with Core, Transmission, IP, RF and Field Engineering teams.
- Work with OEM/vendor teams for L2/L3 escalations.




- Prepare technical reports, dashboards and RCA documentation.
- Support automation and scripting initiatives using Python, Bash, Perl or SQL where applicable.
- Participate in 24x7 support/on-call activities where required.

Technical Skills

Must Have:

- Strong knowledge of LTE / 4G and 5G NR RAN.
- Understanding of 2G/3G/4G/5G architecture and call flows.
- RAN KPI monitoring and performance analysis.
- Fault and incident management.
- RAN configuration and integration.
- Understanding of eNodeB / gNodeB / BTS / NodeB / BSC / RNC.
- Knowledge of OSS/NMS/EMS tools.
- Good understanding of IP and telecom transport.

Vendor Experience:

- Ericsson RAN
- Nokia RAN
- Huawei RAN

5G-Specific Skills For senior profiles, add:
- 5G NR architecture
- NSA / SA
- EN-DC
- 5G mobility
- 5G KPI analysis
- RACH optimization
- Beamforming / Massive MIMO
- Carrier Aggregation
- VoNR
- Network slicing awareness
- Cloud RAN / Open RAN awareness

Education

- Bachelor's/Master's degree in Telecommunications, Electronics & Communication, Electrical Engineering, Computer Engineering or related discipline.

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