Demo

Senior RF Engineer

FIRST RF
Boulder, CO Full Time
POSTED ON 12/19/2025
AVAILABLE BEFORE 1/16/2026
Summary

In this role, you will work in project teams covering a variety of applications spanning FIRST RF's five technology divisions to investigate customer needs, design prototypes, and build products that require both creativity and attention-to-detail. These cutting-edge technologies include phased-array systems, millimeter wave active antennas, and advanced signal detection technologies designed for both government and commercial customers.

Key Responsibilities

  • Within your first year, lead projects of small multidisciplinary teams
  • Prepare and present technical material for customers
  • Interface directly with customers
  • Guide the work of your teams to ensure successful project completion
  • Lead and mentor junior engineers

Qualifications

Required Education And Experience

  • Must have U.S. citizenship and ability to obtain a U.S. Security Clearance
  • Must have a Bachelor’s degree in Electrical Engineering
  • Experience with RF devices and networks such as amplifiers, attenuators, phase shifters, and mixers
  • Experience with RF signal budget analysis for system metrics such as gain, noise figure, and power
  • Strong analytical and hardware troubleshooting skills
  • Proficiency in a technical programming language such as Matlab or Python
  • Proficiency with RF test equipment including network analyzers and spectrum analyzers
  • Excellent written and verbal communication skills to convey complex technical concepts to peers, management, and customers
  • Experience with printed circuit board layout and assembly
  • A desire to find, explore, and solve new and challenging problems
  • Comfortable in a lab environment
  • A resiliency to fail fast and often

Preferred Education And Experience

  • Master's degree in Electrical Engineering
  • A proven capacity to contribute to multidisciplinary engineering projects
  • Past experience with Altium Designer for schematic capture and board layout
  • Past experience with front end design for radar or software defined radios (SDR)
  • Past experience with antenna design and testing
  • Past experience with electromagnetic simulation tools such as HFSS, FEKO, CST, or Microwave Office

Other Duties

Please note that 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-4:30pm; 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. 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 accommodations 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.

AAP/EEO Statement

We are an Equal Employment Opportunity employer committed to providing equal opportunity in all of our employment practices, including selection, hiring, assignment, re-assignment, promotion, transfer, compensation, discipline, and termination. The Company prohibits discrimination, harassment, and retaliation in employment based on race; color; religion; genetic information; national origin; sex (including same sex); sexual orientation; gender identity; pregnancy, childbirth, or related medical conditions; age; disability or handicap; citizenship status; service member status; or any other category protected by federal, state, or local law. We support protected veterans and individuals with disabilities through out affirmative action program.

Salary : $125,000 - $200,000

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