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
Compensation
You will own Wardstone’s radar seeker, from the RF front end through signal processing to the track data that drives guidance. Your system determines whether the interceptor knows exactly where to strike.
This is a senior, high-ownership role. You’ll make the core architecture and make-vs-buy decisions and build the test infrastructure. You’ll work directly with the founders and with the GNC, avionics, and mechanical teams to take the seeker from the lab bench to live intercepts. As the program grows, you’ll help hire and lead a seeker team.
What You’ll Do
Own the seeker architecture
- Define the seeker architecture and lead make-vs-buy decisions for radar sensors, front-end components, and processing hardware.
- Own Tx/Rx chain analysis, including link budgets, noise figure, and phase noise, and integrate antennas with the airframe and radome.
- Specify the high-speed data interfaces between the seeker and the avionics, such as high-speed ADCs/DACs and PCIe.
- Select and manage suppliers for RF components and subsystems.
Build real-time signal processing
- Build low-latency processing pipelines that detect and track high-speed targets, including Doppler processing, range-Doppler mapping, and CFAR detection.
- Develop clutter and ECM rejection.
- Implement and optimize the pipeline on the flight processor [FPGA / GPU / embedded CPU].
Deliver tracks to guidance
- Own the seeker-to-guidance interface. Work with the GNC team to fuse radar tracks with IMU, GPS, and onboard state estimates (EKF/UKF) for closed-loop terminal guidance.
Test and verify
- Design RF test rigs and run hardware-in-the-loop tests using anechoic chambers, radar scene generators, RCS reference targets, and flight dynamics models.
- Lead seeker testing from the lab bench through environmental qualification and flight test.
Required Qualifications
- B.S. in Electrical Engineering, Physics, Aerospace Engineering, or a related field. M.S. preferred.
- 6+ years designing, integrating, or testing radar systems, including ownership of a significant subsystem through hardware test.
- Deep understanding of radar physics and electromagnetics, including noise figure, phase noise, and link budget analysis.
- Strong DSP background, with experience implementing real-time radar detection and tracking.
- Proficiency in C++ and Python, and experience with real-time or embedded systems.
- Hands-on lab experience testing radar architectures (FMCW, pulsed Doppler, or AESA) with spectrum analyzers, VNAs, and oscilloscopes.
- Experience sourcing RF components and making make-vs-buy decisions.
- Must be a U.S. person as defined by ITAR (U.S. citizen, lawful permanent resident, or protected individual). [Must be eligible to obtain a U.S. security clearance.]
Nice to Have
- Experience with missile seekers, air-to-air systems, counter-ballistic tracking, or EW resilience.
- FPGA signal processing (VHDL/Verilog) or GPU acceleration for radar pipelines.
- Antenna array design, beamforming, radome EM integration, or atmospheric attenuation modeling.
- RCS modeling and synthetic target generation.
- Experience with environmental testing for high-G, vibration, and thermal conditions (e.g., MIL-STD-810).
- Prior early-stage startup experience.
The base pay range for this role is $140,000 – $170,000 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.
