Principal RF Engineer — Lead Phased-Array & Radar Systems

FIRST RF Corporation; Boulder (CO); On-site; USD 140,000 - 190,000; Full time

Benefits offered by this job

Four weeks PTO

Hybrid work

Tuition reimbursement

401(k) match

Health, dental, and vision plans

Job summary

FIRST RF Corporation is seeking a Principal RF Engineer to provide technical leadership across advanced RF and microwave systems. You will guide cross-disciplinary teams, mentor engineers, and partner with customers to translate concepts into production-ready solutions for government and commercial programs.

The role requires deep RF/microwave expertise, strong systems thinking, and the ability to drive proposals through delivery, while maintaining high technical and programmatic standards.

Qualifications

• US Citizenship with ability to obtain/maintain a U.S. Security Clearance
• Bachelor's degree in Electrical Engineering or closely related field
• Experience integrating RF devices and networks including amplifiers, filters, and phase shifters
• Experience with antenna design, testing, and modeling
• Experience leading multidisciplinary teams and mentoring engineers
• Proficiency with MATLAB or Python for analysis and automation

Responsibilities

• Lead technical development for complex RF/microwave systems
• Interface with customers and present technical proposals
• Mentor engineers across experience levels
• Develop design reviews and independent technical assessments
• Support business development with white papers and proposals
• Foster collaboration across RF, antenna, digital, and mechanical teams

Skills

Technical leadership

RF engineering

Microwave systems

Customer liaison

Mentoring

Education

Bachelor's degree in Electrical Engineering

Master's or PhD in Electrical Engineering (preferred)

Tools

HFSS

FEKO

CST Studio Suite

Microwave Office

Altium Designer

Job description

FIRST RF Corporation is seeking a Principal RF Engineer to provide technical leadership across advanced RF and microwave systems. You will guide cross-disciplinary teams, mentor engineers, and partner with customers to translate concepts into production-ready solutions for government and commercial programs.

The role requires deep RF/microwave expertise, strong systems thinking, and the ability to drive proposals through delivery, while maintaining high technical and programmatic standards.