Senior RAN Engineer – 4G/5G Network Optimization

B Yond; Bellevue (WA); On-site; USD 140,000 - 210,000; Full time

Job summary

Reailize seeks an experienced RAN Engineer to support design, integration, optimization, testing, and troubleshooting of 4G LTE and 5G NR Radio Access Networks. The role requires hands-on work with Ericsson and/or Nokia environments and collaboration with technical teams and customers in Bellevue, onsite.

The candidate will perform KPI analysis, feature validation, and system administration, while driving network performance, quality, and reliability across deployments and software releases.

Qualifications

• 10+ years of experience in RAN, wireless telecommunications, network engineering, RF engineering, or network integration.
• Advanced knowledge of LTE/5G technologies including MIMO, Massive MIMO, VoLTE, IMS, CSFB, EN-DC, NR-DC, DSS, beamforming, C-Band, mmWave, and Network Slicing.
• Hands-on experience with Ericsson and/or Nokia RAN equipment, network management systems, configuration tools, and hardware.

Responsibilities

• Provide technical, design, and engineering data to support 4G and 5G network testing and validation in laboratory and live-network environments.
• Design, integrate, optimize, and troubleshoot Radio Access Network (RAN) solutions based on customer requirements and test scenarios.
• Support the integration of new nodes, carriers, bands, features, and services across LTE and 5G networks.
• Perform RAN system administration, feature validation, and network testing, including setup of test scenarios and test calls.
• Conduct KPI analysis, performance evaluation, and traffic-flow analysis to identify network performance issues.
• Troubleshoot complex RAN and RF issues, perform root-cause analysis, and implement effective solutions.
• Support deployment and validation of new software releases, patches, and configuration changes.
• Validate new products, features, and network capabilities while assessing impact on performance and customer experience.
• Support customer initiatives including network expansions, feature/product introductions, and cluster optimization.
• Analyze Layer 3 signaling, IMS, VoLTE, LTE, and 5G NR logs and call flows to resolve issues.
• Perform 5G Massive MIMO and beamforming testing, validation, and troubleshooting.
• Provide guidance for secure configuration, testing, and upgrade of RAN elements.
• Collaborate with customers to identify issues and ensure efficient resolution while maintaining network quality.

Skills

RAN engineering

5G NR

LTE

Ericsson/RAN

Nokia RAN

KPI analysis

RF troubleshooting

Wireshark

QXDM

Linux/CentOS

Tools

Ericsson ENM/OSS

Nokia NetAct

Wireshark

TEMS

Actix

Atoll

Mentum Planet

Job description

Reailize seeks an experienced RAN Engineer to support design, integration, optimization, testing, and troubleshooting of 4G LTE and 5G NR Radio Access Networks. The role requires hands-on work with Ericsson and/or Nokia environments and collaboration with technical teams and customers in Bellevue, onsite.

The candidate will perform KPI analysis, feature validation, and system administration, while driving network performance, quality, and reliability across deployments and software releases.