RF Engineer (JCREW) Tri Star Engineering, Inc. United States, Indiana, Crane Jul 30, 2026 Apply Job Type Full-time Description We are seeking a skilled and dedicated RF Engineer (JCREW) to join our team, supporting the development and integration of advanced RF and EW systems. This role offers an exciting opportunity to contribute to complex RF systems in a collaborative and innovative environment. Key Responsibilities Support the design, development, integration, testing, and evaluation of RF and EW systems, subsystems, and supporting test infrastructure. Perform RF signal analysis, waveform generation, modulation assessment, and technical evaluation of RF communications and propagation effects. Use RF laboratory and test equipment such as spectrum analyzers, vector network analyzers, signal generators, and related instrumentation to construct, acquire, define, measure, and evaluate RF signals and waveforms. Support laboratory, field, and operationally relevant test events, including setup, execution, troubleshooting, data collection, and post-test analysis. Assist with RF modeling and simulation, verification and validation, and assessment of RF coverage, antenna effectiveness, and related performance characteristics. Support analysis of RF hardware architectures, including transmit and receive chains, interfaces, and integration considerations. Contribute to the development and evaluation of test procedures, technical documentation, reports, briefs, and recommendations supporting customer decision-making. Support test equipment setup, maintenance, calibration awareness, and technical readiness in both lab and field environments. Collaborate with multidisciplinary teams supporting systems engineering, software development, modeling and simulation, and test and evaluation activities. Provide engineering recommendations to improve test rigor, repeatability, efficiency, and mission relevance. Support work in secure environments and travel as required to support customer test events and mission needs. Requirements Bachelor's degree in Electrical Engineering. Concentration in microwave engineering, radio frequency theory, electromagnetics, or communications systems preferred. 3+ years of related professional experience in microwave and radio frequency design, RF test, RF systems engineering, or closely related work. Working knowledge of RF communications, propagation, modulation schemes, and waveform analysis. Hands-on experience with RF measurement and laboratory equipment, including spectrum analyzers, vector network analyzers, and signal generators. Understanding of RF transmit and receive architectures and associated integration and test considerations. Ability to analyze technical data and clearly document findings, conclusions, and recommendations. Strong written and verbal communication skills and ability to work effectively in a collaborative technical environment. Ability to work independently, manage competing priorities, and contribute in a fast-paced engineering environment. U.S. Citizenship required. Must be able to obtain and maintain a Secret security clearance. Desired Qualifications Experience supporting test and evaluation of RF, EW, wireless, or communications systems. Field experience with RF propagation testing, over-the-air testing, or other operationally relevant test events. Familiarity with software-defined radio (SDR) concepts and associated hardware. Experience with Digital Signal Processing (DSP) and/or Field Programmable Gate Array (FPGA)-based systems. Experience with RF modeling and simulation, verification and validation, or test infrastructure development. Experience preparing test plans, technical reports, briefing materials, or other engineering documentation. Familiarity with secure laboratory environments, developmental test activities, and troubleshooting of integrated systems. Ability to support higher-classification tasking as required by assignment." About

TRISTAR TRISTAR

is an SBA certified Service-Disabled Veteran-Owned professional services company supporting the U.S. Department of War programs. Our core competencies include Electronic Warfare, Enterprise Management, Full Spectrum Cybersecurity, Information Technology, Digital Transformation, Software Engineering and Development, Maritime Modernization and Engineering, and Technical Solutions. TRISTAR was founded in March 1995 and has built an employee-focused collaborative environment which enables our team of professionals to create and deliver customized solutions to meet our customers' mission critical challenges. TRISTAR's core capabilities support customers with end-to-end solutions. For over 30 years, TRISTAR has demonstrated and perfected our ability to successfully manage any task, small or large no matter how difficult or complex. TRISTAR is proud to serve the Department of War and other Federal Agencies. TRISTAR provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training.