Senior Specialist, Radio Frequency Design Engineer L3 Harris Technologies • Plano, Texas •

PERMANENT

Updated 08/2026 Job Description Job Summary L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest for professional growth. L3Harris provides an inclusive, engaging environment designed to empower employees and promote work-life success. Fundamental to our culture is an unwavering focus on values, dedication to our communities, and commitment to excellence in everything we do. L3Harris is the Trusted Disruptor in defense tech. With customers' mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security.

Job Title:

Senior Specialist, Radio Frequency Design Engineer Job Code:

39485

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

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. LI-KM1 L3Harris Technologies is proud to be an Equal Opportunity Employer. L3Harris is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All applicants will be considered for employment without regard to race, color, religion, age, national origin, ancestry, ethnicity, gender (including pregnancy, childbirth, breastfeeding or other related medical conditions), gender identity, gender expression, sexual orientation, marital status, veteran status, disability, genetic information, citizenship status, characteristic or membership in any other group protected by federal, state or local laws. L3Harris maintains a drug-free workplace and performs pre-employment substance abuse testing and background checks, where permitted by law. Please be aware many of our positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information. By submitting your resume for this position, you understand and agree that L3Harris Technologies may share your resume, as well as any other related personal information or documentation you provide, with its subsidiaries and affiliated companies for the purpose of considering you for other available positions. L3Harris Technologies is an E-Verify Employer. Please click here for the E-Verify Poster in English or Spanish. For information regarding your Right To Work, please click here for English or Spanish. Requirements 39485 Job and company information not to be copied, shared, scraped, or otherwise disseminated without explicit consent of JSfirm, LLC.