Lead Radar & RF Subsystems Architect

RTX; Tucson (AZ); On-site; USD 108,000 - 205,000; Full time

Benefits offered by this job

Relocation assistance

Medical insurance

Dental insurance

Vision insurance

Life insurance

Short-term disability

Long-term disability

401(k) match

Flexible spending accounts

Flexible work schedules

Employee Scholar Program

Parental leave

Paid time off

Holidays

Job summary

RTX in Tucson, AZ is seeking a Principal Radar / RF-focused Electrical Subsystems Engineer to lead the architecture, modeling, design, and integration of advanced radar-based guidance subsystems and RF front-end/back-end components. You will drive subsystem requirements, perform performance modeling, and collaborate with program leadership, suppliers, and customers; travel domestically and internationally as required.

This onsite role requires U.S.

Qualifications

• Requires a Bachelor’s degree in STEM and 8+ years of relevant experience.
• Experience developing RF electrical subsystems, radar hardware, or RF seeker architectures.
• Experience in subsystem or systems engineering, requirements development, and validation.
• RF modeling experience in HFSS and/or CST.
• Experience with high-power-density RF architectures and thermal/electrical trade-space management.
• Experience with high-speed digitizing and high-bandwidth memory systems.

Responsibilities

• Develop and architect radar and RF subsystem solutions, including front-end RF chains, antennas, high-speed digitizing paths, and signal-processing interfaces.
• Model, analyze, and simulate RF and radar subsystem performance (including UWB and high-power-density architectures).
• Evaluate hardware designs, subsystems, and components for radar seekers and RF systems.
• Generate and document subsystem requirements, interface definitions, test plans, and verification artifacts.
• Lead design reviews and act as SME for radar/RF integration topics.
• Support lab testing, field tests, and root-cause failure analysis for radar/RF subsystems.
• Mentor junior engineers and collaborate with program leadership, suppliers, and customers.

Skills

RF engineering

Radar hardware

Subsystems engineering

Requirements & validation

RF modeling HFSS CST

High power RF

High-speed digitizing

Education

Bachelor’s degree in STEM

Tools

HFSS

CST

Job description

RTX in Tucson, AZ is seeking a Principal Radar / RF-focused Electrical Subsystems Engineer to lead the architecture, modeling, design, and integration of advanced radar-based guidance subsystems and RF front-end/back-end components. You will drive subsystem requirements, perform performance modeling, and collaborate with program leadership, suppliers, and customers; travel domestically and internationally as required.

This onsite role requires U.S.