Freelance Radio Frequency Rf Engineer Jobs in Alabama

RF Engineer, Senior
Overview
SimTech, 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.
SimTech 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.
Responsibilities
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.
Minimum Qualifications & Education Requirements and Desired Skillsets
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. Citizenship with Active Secret Security clearance and ability to maintain the designated security clearance level is required.
Physical Description
Employees in these positions will function in a general office/cubicle setting environment, and laboratory/testing setting using standard office equipment and various electronic testing equipment, including a computer, telephone, printers, video equipment, computer software, and testing equipment. Will interact in a general office setting environment with various personnel; participate in meetings and contribute to team success; deliver timely results and produce reports; receive and communicate information; may include telework. May function in a specialized laboratory/testing environment using electronic testing equipment, computer software, and complex systems. May move and test equipment of various weights. Laboratory environment may require use of protective equipment (PPE) including but not limited to safety glasses and protective hearing and footwear. May be expected to work varying shifts and hours to ensure successful operation of activities in the organization due to business demands; travel occasionally for assigned work.
About SimTech, Inc.
SimTech's mission is to be the most reliable and cost-effective provider of Signature Models, Simulations, Hardware, Software, Cyber solutions, and Test & Evaluation services. Established in 1983 by a team of experienced scientists and engineers, SimTech has a long history of delivering high-technology defense-oriented solutions.
The company has been recognized as a "Best Place to Work" in 2020 and 2021, and as a "Best Place for Working Parents" in 2022-2026 by the Huntsville/Madison County Chamber of Commerce.
SimTech offers an industry-leading comprehensive compensation and benefits package. Be a part of over 43+ years of excellence-join our team today!
To learn more about our exceptional team and employee benefits, contact SimTech HR or visit for more information.
Equal Employment Opportunity and Affirmative Action Employer
SimTech, Inc. is an Equal Opportunity/Affirmative Action Employer. SimTech, Inc. is a committed EOE/Vet/Disabled employer.
Simulation Technologies, Inc. (SimTech) is an Equal Employment Opportunity employer and provides reasonable accommodation for qualified individuals with disabilities and disabled veterans in its job application procedures. If you have any difficulty using our online system and you need an accommodation due to a disability, you may use the following email address, HR@simtechinc.com and/or phone number (256.428.2910) to contact us about your interest in employment with SimTech.
All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, genetic information, citizenship, ancestry, marital status, protected veteran status, disability status or any other status protected by federal, state, or local law. SimTech participates in E-Verify.