HWIL FPGA Engineer — Real-Time, Mission-Driven Testing

Castelion Corporation; Allen (TX); On-site; USD 110,000 - 170,000; Full time

Job summary

Castelion Corporation in Allen, TX is seeking an experienced HWIL FPGA Engineer to lead FPGA architecture and real-time HWIL development for advanced defense-grade systems. You will own critical components from design through verification, ensuring robust performance in mission-like environments.

Collaborating across disciplines and leveraging high-level synthesis, RTL optimization, and diverse interfaces, you will enable rapid validation and drive the HWIL capabilities from early demonstrations

Qualifications

• Bachelor's degree in EE/CE/CS or related field.
• 5+ years of FPGA development experience.
• Experience with VHDL, Verilog or SystemVerilog.
• Experience with Xilinx/AMD platforms and toolchains.
• U.S. Citizenship required.

Responsibilities

• Lead FPGA architecture, development, integration, and verification for Castelion’s HWIL system.
• Develop FPGA solutions for real-time evaluation and closed-loop testing.
• Integrate high-fidelity models into HWIL architectures with simulation engineers.
• Design FPGA interfaces with radar hardware and supporting electronics.
• Develop high-performance FPGA implementations using HLS with RTL optimization.
• Participate in system architecture definition and hardware design reviews.
• Develop FPGA verification strategies including simulation, timing analysis, and hardware validation.
• Support bring-up, debugging, and optimization in lab environments.
• Collaborate across electrical, mechanical, software, and systems teams using crawl-walk-run methodology.
• Contribute to evolution from open-loop demonstrations to closed-loop mission testing.

Skills

5+ years FPGA development

VHDL

Verilog/SystemVerilog

Xilinx/AMD FPGA platforms

U.S. Citizenship required

Education

Bachelor’s degree in Electrical Engineering, Computer Engineering, Computer Science, or related discipline

Tools

Xilinx/AMD FPGA toolchains

Job description

Castelion Corporation in Allen, TX is seeking an experienced HWIL FPGA Engineer to lead FPGA architecture and real-time HWIL development for advanced defense-grade systems. You will own critical components from design through verification, ensuring robust performance in mission-like environments.

Collaborating across disciplines and leveraging high-level synthesis, RTL optimization, and diverse interfaces, you will enable rapid validation and drive the HWIL capabilities from early demonstrations