The Role
Owns radar seeker system development from RF front-end and antenna integration through real-time signal processing, sensor fusion, target tracking, and interceptor guidance interfaces. Responsibilities include developing Doppler, CFAR, range-Doppler, clutter, and ECM rejection algorithms; integrating radar hardware and high-speed interfaces; building RF test rigs; and conducting hardware-in-the-loop verification using anechoic chambers, radar scene generators, and flight dynamics models.
Summary Generated by Built In
Overview
What You’ll Do
Required Qualifications
Nice to Haves
Wardstone is looking for an RF Seeker Engineer to own our entire radar sensing system, from RF front-end integration and signal processing to real-time target tracking. You will work at the intersection of radar hardware, digital signal processing, embedded systems, and interceptor guidance. This role is central to Wardstone’s mission: your system determines whether our interceptor knows exactly where to strike. You will work directly with founders, build RF test rigs, run high-speed experiments, and ship seeker systems into hardware that performs real intercepts.
- RF & Radar System Integration: Own radar sensor selection, antenna integration, Tx/Rx chain analysis, and high-speed data interfaces (e.g., PCIe, high-speed ADCs/DACs) within the avionics architecture.
- Real-Time Signal Processing: Build low-latency processing pipelines capable of tracking high-speed objects, including Doppler processing, CFAR algorithms, range-Doppler mapping, and clutter/ECM rejection.
- Sensor Fusion & Estimation: Fuse radar track data with IMU, GPS, and onboard state estimators using EKF/UKF filters to build highly accurate perception-to-guidance interfaces for closed-loop control.
- Verification & Validation: Design RF test rigs and conduct hardware-in-the-loop tests using anechoic chambers, radar scene generators, RCS reference targets, and flight dynamics models.
Required Qualifications
- Education & Core Knowledge: B.S. in EE, Physics, Aerospace, or similar, with deep proficiency in radar physics, electromagnetics, and noise modeling.
- Algorithms & Software: Strong background in digital signal processing (DSP), filtering, and programming (C++/Python), with experience implementing real-time radar detection and tracking.
- Hardware & Testing: Hands-on experience testing radar architectures (FMCW, Pulsed Doppler, AESA) using RF lab equipment like Spectrum Analyzers, VNAs, and Oscilloscopes.
- Working with Suppliers: Experience sourcing components and performing make vs buy analysis.
- US Person or Lawful Permanent Resident status required.
Nice to Haves
- Domain Expertise: Background in missile seekers, high-speed air-to-air systems, counter-ballistic radar tracking, or electronic warfare (EW) resilience.
- Compute Acceleration: Experience with FPGA-based signal processing (VHDL/Verilog) or GPU acceleration for heavy radar pipelines.
- Electromagnetics: Familiarity with antenna array design, beamforming, radome EM integration, or atmospheric RF attenuation.
- Simulation: Knowledge of radar cross-section (RCS) modeling, synthetic target generation, and MIL-STD high-G testing environments.
The base pay range for this role is $100,000 – $160,000 per year.
Skills Required
- Bachelor’s degree in Electrical Engineering, Physics, Aerospace Engineering, or a similar field
- Deep proficiency in radar physics, electromagnetics, and noise modeling
- Strong background in digital signal processing and filtering
- C++ and Python programming experience
- Experience implementing real-time radar detection and tracking
- Hands-on experience testing FMCW, Pulsed Doppler, or AESA radar architectures
- Experience using spectrum analyzers, VNAs, and oscilloscopes
- Experience sourcing components and performing make-versus-buy analysis
- US Person or lawful permanent resident status
- Experience with missile seekers, high-speed air-to-air systems, counter-ballistic radar tracking, or electronic warfare resilience
- Experience with FPGA-based signal processing using VHDL or Verilog, or GPU acceleration
- Familiarity with antenna array design, beamforming, radome electromagnetic integration, or atmospheric RF attenuation
- Knowledge of radar cross-section modeling, synthetic target generation, and MIL-STD high-G testing environments
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The Company
What We Do
Wardstone develops modular, mass-producible interceptor platforms for air and missile defense. Its systems are designed to match interceptor performance to mission requirements, reduce costs, and support scalable production. The company is developing surface- and space-based interceptors, including satellites intended to kinetically defeat air-breathing, ballistic, and hypersonic missile threats while complementing existing defense systems. Its architecture uses interchangeable components that can be upgraded and manufactured at scale.
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