HWIL FPGA Engineer - Real-Time Test & Systems Integration

Cantos Ventures; Allen (TX); On-site; USD 130,000 - 190,000; Full time

Benefits offered by this job

Equity for employees

Paid time off

Holidays

Comprehensive health benefits

Parental leave

Fitness stipend

Onsite EV charging

Catered meals

Job summary

Castelion seeks an experienced HWIL FPGA Engineer to lead the FPGA architecture and development for our next-generation Hardware-in-the-Loop test capability. You will be a foundational member of a multidisciplinary team building a real-time test environment that enables rapid validation of hardware and algorithms before flight testing.

You will collaborate across simulation, hardware, electrical, mechanical, software, and guidance engineers to create high-performance FPGA solutions, contribute

Qualifications

• Bachelor's degree in Electrical Engineering, Computer Engineering, Computer Science, or a related technical discipline.
• 5+ years of professional FPGA development experience.
• Experience developing FPGA solutions using VHDL, Verilog, or SystemVerilog.
• Experience with Xilinx/AMD FPGA platforms and associated development toolchains.
• U.S. Citizenship required.

Responsibilities

• Lead FPGA architecture, development, integration, and verification for Castelion's Hardware-in-the-Loop (HWIL) test system.
• Develop FPGA solutions supporting real-time evaluation and closed-loop hardware testing.
• Collaborate with simulation engineers to integrate high-fidelity 6-DOF models into FPGA-based HWIL architectures.
• Design FPGA interfaces that integrate seamlessly with radar hardware, sensors, and supporting electronics.
• Develop high-performance FPGA implementations using high-level synthesis tools while optimizing generated RTL where appropriate.
• Participate in system architecture definition, interface development, and hardware design reviews.
• Develop FPGA verification strategies including simulation, timing analysis, hardware validation, and laboratory integration.
• Support bring-up, debugging, and optimization of FPGA hardware in laboratory environments.
• Partner closely with electrical, mechanical, software, and systems engineers to rapidly iterate HWIL capabilities using a crawl, walk, run development methodology.
• Contribute to the evolution of the HWIL system from early open-loop demonstrations to fully closed-loop representative mission testing.

Skills

FPGA development

VHDL/Verilog/SystemVerilog

Xilinx/AMD FPGA tools

Team collaboration

Security clearance eligibility

Education

Bachelor's degree in Electrical/Computer Engineering

Tools

Xilinx/AMD toolchains

HDL design tools

Job description

Castelion seeks an experienced HWIL FPGA Engineer to lead the FPGA architecture and development for our next-generation Hardware-in-the-Loop test capability. You will be a foundational member of a multidisciplinary team building a real-time test environment that enables rapid validation of hardware and algorithms before flight testing.

You will collaborate across simulation, hardware, electrical, mechanical, software, and guidance engineers to create high-performance FPGA solutions, contribute