Principal RF Engineer

First Rf Corporation

UShybrid$160k-$210k/yrPosted Jul 15, 2026
Posting intelligenceActively listed

Skills

python

About the role

Summary

FIRST RF is seeking an experienced Principal RF Engineer to provide technical leadership across a diverse portfolio of advanced RF and microwave systems. In this role, you will serve as a subject matter expert, lead multidisciplinary engineering teams, and partner directly with customers to develop innovative solutions from concept through production.

You will contribute across FIRST RF's four technology divisions, developing next-generation phased-array systems, millimeter-wave antennas, advanced signal detection technologies, radar systems, and other cutting-edge RF solutions for government and commercial customers. This position requires exceptional technical depth, systems thinking, and the ability to mentor engineers.

Key Responsibilities

Serve as the technical lead for complex RF and microwave system development efforts

Lead the design, analysis, integration, and verification of advanced RF hardware and systems

Develop innovative solutions for challenging customer problems and guide projects from proposal through product delivery

Interface directly with customers, presenting technical approaches, design reviews, and program status

Provide technical leadership for multiple projects while ensuring successful execution of cost, schedule, and performance objectives

Lead technical discussions with government, commercial, and subcontractor partners

Mentor and develop engineers across all experience levels through design reviews, and technical guidance

Establish engineering best practices, design methodologies, and technical standards

Conduct design reviews and provide independent technical assessments to reduce program risk

Support business development activities by contributing to white papers, technical proposals, customer briefings, and technology roadmaps

Evaluate emerging technologies and recommend strategic investments to FIRST RF's technical capabilities

Foster collaboration across multidisciplinary teams including RF, antenna, digital, embedded software, and mechanical engineering

Required Education and Experience

U.S. Citizenship with the ability to obtain and maintain a U.S. Security Clearance

Bachelor’s degree in electrical engineering or a closely related field

Experience analyzing, and integrating RF devices and networks including amplifiers, filters, attenuators, phase shifters, mixers, frequency converters, and related components

Experience with antenna design, characterization, testing, and modeling

Experience using electromagnetic simulation tools including HFSS, FEKO, CST Studio Suite, Microwave Office, or similar software

Demonstrated experience leading multidisciplinary engineering teams through successful project execution

Proficiency with technical programming languages such as MATLAB or Python for analysis, simulation, and automation

Extensive experience using RF laboratory equipment including vector network analyzers, and spectrum analyzers

Outstanding written and verbal communication skills with the ability to communicate effectively with engineers, executives, and customers.

Demonstrated ability to mentor engineers and provide technical leadership across an organization

A passion for solving challenging technical problems with creativity, curiosity, and attention to detail

Comfortable working in laboratory and prototype development environments

Willingness to rapidly iterate, learn from failures, and continuously improve designs

Preferred Education and Experience

Master's or Ph.D. in Electrical Engineering with a focus in RF or Electromagnetics

10+ years of professional experience in RF and microwave engineering with a demonstrated record of technical leadership

Extensive experience using RF laboratory equipment including signal generators, oscilloscopes, and power meters

Experience with printed circuit board design, layout review, fabrication, assembly, and test

Experience with phased-array antennas and beamforming

Experience designing RF front ends for radar, electronic warfare, communications, or software-defined radio (SDR) systems

Experience with Altium Designer for schematic capture and PCB layout.

Experience supporting proposal development, technology roadmaps, and customer capture activities

Other Duties

Please note this job description is not designed to cover or contain a comprehensive listing of activities, duties or responsibilities that are required of the employee for this job. Duties, responsibilities, and activities may change at any time with or without notice.

Supervisory Responsibility

This position has no direct supervisory responsibilities.

Position Type/Expected Hours of Work

This is a full-time position at 40 hours per week. Typical office hours include Monday-Friday, 8:00am-5:00pm; however, these hours may vary based on workload and the manager’s discretion.

Travel

About 10% travel is expected for this position.

Physical Demands

While performing the duties of this job, the employee is regularly required to talk or hear. Specific vision abilities required by this job include close vision and ability to adjust focus. This would require the ability to lift files, open filing cabinets, and bend or stand on a stool as necessary. The employee will also regularly be seated at a desk and using a computer. Reasonable accommodation may be made to enable individuals with disabilities to perform the essential functions.

About FIRST RF

FIRST RF is a fast-growing, multi-discipline, privately owned small business focused on engineering and manufacturing of advanced technologies – specifically in antennas and radio frequency (RF) systems. We are an energetic team empowered with world-class facilities and resources. We promote a culture which prioritizes innovation and responsiveness. By making bold investments in the development of groundbreaking technologies, FIRST RF has fielded award-winning products ranging from revolutionary passive antennas to highly complex, active antenna systems.

Benefits Summary

We offer all employees four weeks of PTO each year, flexible scheduling, hybrid work, tuition reimbursement, up to 6% 401(k) match, and healthcare, dental, and vision plans.

Compensation

This RF Engineer role pays $160k-$210k/yr. Within typical range for rf engineer roles in United States.

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