Radio Frequency Design Engineer (United States)

ABOUT FORTRESS SOLUTIONS

Fortress Solutions is a global leader in telecom and digital infrastructure services, delivering end-to-end solutions that ensure operational integrity and accelerate digital transformation. Founded in 1982, Fortress has evolved from a multi-vendor repair provider into a trusted partner for engineering, deployment, logistics, monitoring, and technical support across telecom, mobility, and emerging tech sectors. With deep expertise in network assurance, field services, and advanced analytics, Fortress empowers customers to optimize performance, reduce downtime, and scale with confidence. Our commitment to quality, agility, and innovation makes Fortress the go-to choice for service providers navigating complex challenges in connectivity and modernization.

JOB SUMMARY

We are seeking a skilled and experienced RF Design Engineer to provide end-to-end design, analysis, optimization, and validation of advanced wireless communication systems, with a focus on 4G LTE and 5G architectures. This role combines RF engineering expertise, in-building and outdoor system design, and field validation to support high-performance network deployments for enterprise and carrier environments.

The ideal candidate brings hands-on experience with RF design tools, test equipment, and system level understanding of 5G networks, including EPC core integration and real-world validation through CW and drive testing.

ESSENTIAL FUNCTIONS

RF Design & System Engineering

• Design and develop RF solutions for 4G LTE and 5G networks, including macro, small cell, and in-building (DAS) systems

• Perform RF link budget analysis to ensure system performance meets coverage and capacity requirements

• Develop and validate RF system architectures aligned with 5G NR standards and deployment scenarios

• Produce detailed RF design documentation, including system schematics, propagation models, and performance forecasts

In-Building & Coverage Design

• Utilize IBwave, Atoll, or Eino for in-building wireless design, modeling, and optimization

• Perform heat mapping and RF propagation analysis for coverage planning and design validation

• Conduct predictive modeling and post-deployment optimization for signal strength, interference, and capacity

Testing & Validation

• Execute CW (Continuous Wave) testing and validation to confirm RF design performance

• Perform blind scan testing to identify signal profiles and validate frequency usage

• Utilize RF test equipment including:

• Viavi CellAdvisor / OneAdvisor
• RF power meters
• RF signal generators

• Conduct field measurements and troubleshooting to optimize RF performance

Network Integration & Core Systems

• Support integration and configuration of 5G EPC (Evolved Packet Core) elements

• Support integration and configuration of 5G BBU/RAN system elements

• Analyze and validate system performance across RAN and core network interfaces

• Collaborate with network engineering and operations teams to ensure seamless deployment and handoff performance

Drive Testing & Data Analysis

• Perform and analyze RF data using tools IBwave, Atoll, or Eino

• Conduct drive testing and post-processing to evaluate coverage, throughput, latency, and interference

• Generate reports and recommendations for network optimization and performance improvement

Troubleshooting & Optimization

• Diagnose RF performance issues including interference, signal degradation, and coverage gaps

• Recommend corrective actions and optimization strategies to improve system reliability and quality

• Support ongoing network tuning and performance improvement initiatives

QUALIFICATIONS

• Bachelor’s degree in electrical engineering, telecommunications, or a related field

• 5+ years of experience in RF engineering, preferably in wireless telecom environments

• Hands-on experience designing and optimizing 4G LTE and 5G networks

• IT and Telecommunications certifications are desired.

• Understanding of networking concepts and electrical wiring principles.

• Proven experience with telecommunications network gear and connectivity.

• Ability to work independently in diverse environments and travel as needed.

TECHNICAL EXPERTISE

• Strong proficiency in RF engineering principles, including propagation, interference, and link budget analysis

• Experience with IBwave and/or Eino for RF design and in-building system planning

• Hands-on experience with:

o Viavi CellAdvisor and/or OneAdvisor

o RF power meters and signal

• Ability to create training material and provide training to customers, clients, and internal employees.

• Ability to create documentation – Standard Operating Procedures (SOP), Method of Procedure (MOP), Policy Guidelines, and other documentation as required.