Senior Specialist, Radio Frequency Design Engineer
L3HARRIS Technologies
Plano, TX · Posted October 30, 2026
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About the job
Job Title: Senior Specialist, Radio Frequency Design Engineer Job Code: 43861 Job Location: Plano, Texas Job Schedule: 9/80: Employees work 9 out of every 14 days – totaling 80 hours worked, and have every other Friday off Sign on Bonus: This position offers a $10,000 sign on bonus for external candidates who currently hold an active U.S. Security Clearance
Job Description:
As RF Circuit Design Engineer, you will be responsible for participating in the design, simulation, development, and testing of RF circuits, antenna systems or systems for use in Radar systems or other tactical military applications.
L3Harris’ Agile Development Group specializes in developing disruptive, next-generation technologies for advanced Unmanned Air Systems (UAS / UAV), advanced radar systems, next-generation weapon systems, and other RF sensor technologies using small company agility and big company experience.
Essential Functions:
Take responsibility for electrical design tasks including requirements analysis, specification generation, interface definition, component selection, circuit simulation, schematic capture, and board layout.
Provide technical responsibility for schedule, cost, and performance at the board or subsystem level.
Perform RF & Microwave (VHF through Ka-Band) design synthesis at the board or subsystem level.
Perform simulation, breadboarding, testing & troubleshooting of RF circuits, functions and subsystems.
Develop test plans and procedures for RF subsystems.
Participate in peer reviews, preliminary design reviews, critical design reviews and other required design reviews.
Participate in interdisciplinary design teams and reviews.
Learn and follow company processes for product development, configuration management, purchasing, etc.
Physical Requirements: ability to lift up to 10 pounds. Up to 10% travel may be required.
Qualifications:
Active US secret security clearance.
Bachelor’s Degree in Electrical Engineering and minimum 7-10 years of prior relevant experience.
Graduate Degree in Electrical Engineering and a minimum of 4 years of prior related experience.
In lieu of a degree, minimum of 10 years of prior related experience.
4+ years of experience with RF and 3D EM Simulation and Modeling, Schematic Capture, Board Layout CAD tools
4 years of experience with practical RF system considerations such as path loss calculation, cascade noise figure, intercept point and power and corresponding tests for each.
4 years of experience with basic RF test equipment including Network Analyzers, Spectrum Analyzers, and Signal Generators.
4 years of experience in printed circuit board (PCB) layout with direct board level design experience in RF or Microwave bands.
4 years of experience with basic Radar performance concepts.
Preferred Additional Skills:
Master’s degree in Electrical Engineering or related field and/or equivalent experience desired.
Proficiency in python scripting.
Interest in leading a small technical team.
Excellent people skills to include collaborating in a multi-disciplinary, diverse, and dynamic team environment.
Excellent communication skills (written, verbal, & presentation).
Active RF component design.
Radar Systems Design experience.
Familiarity with other design and analysis software such as MatLab, AWR, CDS, HFSS, or CST
Knowledge of practical RF system considerations such as path loss calculation, cascade noise figure and intercept point.
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