Senior Radio Frequency Engineer 

A rapidly growing research and development organization specializing in advanced antenna technologies for Department of Defense and Commercial/Civil Space applications. Core business focus areas include tactical radar systems, satellite communications, millimeter-wave antennas, and large space-deployable antenna structures.

The team possesses extensive expertise in both small and large phased-array radar systems, satellite communication phased arrays, and deployable space antennas. The facility includes a state-of-the-art 20' × 30' robotic near-field antenna range, enabling highly versatile testing of antennas, radomes, and radar cross-section measurements through automated robotic methods.

The organization is seeking an experienced Senior Radio Frequency Engineer to lead innovative active electronically steered antenna (AESA) development programs. This role provides technical ownership of RF system design, simulation, integration, and testing.

Key Responsibilities

Perform full-wave electromagnetic modeling and simulation using CST or similar tools

Design and test active RF networks

Select and integrate active components such as amplifiers, switches, and phase shifters into PCB assemblies

Conduct Vector Network Analyzer (VNA) calibration, measurement, and data evaluation

Execute antenna testing and post-processing using far-field and near-field methods

Prepare detailed technical reports, analysis summaries, and presentations

Design multilayer RF PCB transitions and support overall PCB layout considerations

Perform system-level analysis and testing for radar and communication systems

Provide technical leadership and mentorship to supporting design and test engineering personnel

Qualifications

Bachelor of Science in Electrical Engineering (Master’s degree preferred)

Deep familiarity with small and large antenna array radiator design and analysis

Proficient in full-wave electromagnetic simulation

Experience with MATLAB, Python, or C for modeling and data analysis

Knowledge of PCB layout for RF and mixed-signal designs

Self-starter with strong collaboration skills and the ability to work effectively in a team environment

Ten or more years of relevant RF engineering experience

Must be a U.S. citizen

This is a full-time, on-site position located in Berthoud, Colorado.