RF Engineer, Senior

RF Engineer, Senior Overview

Sim Tech, Inc., recognized as one of the 2026 Best Places for Working Parents
, is seeking an RF
Engineer, Senior to join our dynamic and diverse team in Huntsville, AL. This is an upcoming opening with opportunities for growth and professional development.

Sim Tech offers a market leading compensation package with excellent benefits, work/life balance, outstanding retirement plan, career advancement and much more.

The RF Engineer, Senior is responsible for the design, development, integration, testing, and evaluation of advanced RF and microwave systems supporting sensor, seeker, and signal generation applications.

• Support the characterization, analysis, and development of advanced RF signal generation systems for aerospace, defense, and sensor applications.
• Design, develop, and evaluate RF and microwave systems, subsystems, and hardware components supporting RF sensor and seeker technologies.
• Perform RF system analysis, modeling, prototyping, integration, and testing throughout the product development lifecycle.
• Develop and validate RF hardware designs including transmitters, receivers, frequency conversion circuits, filters, amplifiers, oscillators, and antenna-related components.
• Conduct laboratory and field testing of RF/microwave hardware and systems to verify performance against design requirements.
• Utilize RF test equipment including Vector Network Analyzers (VNA), Spectrum Analyzers, Signal Generators, Power Meters, Oscilloscopes, and related instrumentation.
• Perform antenna and system characterization testing in anechoic chamber environments.
• Collect, reduce, and analyze test data to assess system performance, identify deficiencies, and recommend corrective actions.
• Compare measured performance data against theoretical predictions, simulation results, and system requirements.
• Troubleshoot RF hardware, test setups, and system integration issues to identify root causes and implement solutions.
• Support system integration activities with multidisciplinary engineering teams including systems, software, mechanical, and test engineers.
• Prepare technical reports, test plans, procedures, engineering analyses, and customer presentations.
• Participate in design reviews and provide technical recommendations to improve system performance and reliability.
• Support field demonstrations, customer evaluations, and government test events as required.
• Maintain compliance with applicable industry standards, customer requirements, and security protocols.
• Other responsibilities as assigned.

• Bachelor of Science degree in Electrical Engineering, Computer Engineering, Physics, or a related technical discipline.
• Minimum of 8 years of experience in RF, microwave, radar, electronic warfare, communications, or related RF engineering fields.
• Comprehensive knowledge of RF and microwave theory, components, circuits, and system architectures.
• Experience designing, developing, testing, and integrating RF/microwave systems and hardware.
• Proficiency in RF laboratory testing and measurement techniques.
• Experience using RF test equipment including Vector Network Analyzers, Spectrum Analyzers, Signal Generators, Oscilloscopes, and Power Meters.
• Experience analyzing RF performance parameters such as gain, noise figure, dynamic range, sensitivity, linearity, phase noise, and frequency response.
• Ability to interpret test data, identify performance issues, and develop effective engineering solutions.
• Strong analytical, troubleshooting, and problem‑solving skills.
• Excellent written and verbal communication skills.
• Ability to work independently and collaboratively in laboratory, manufacturing, and field test environments.
• U.S.…