FPGA Design Engineer, Senior

Overview

Sim Tech, Inc., recognized as one of the 2026 Best Places for Working Parents, is seeking an FPGA Design Engineer, Senior to join our dynamic and diverse team in Huntsville, AL. This upcoming opening offers opportunities for growth and professional development. Sim Tech offers a market leading compensation package with excellent benefits, work/life balance, outstanding retirement plan, career advancement and much more.

• Design, develop, integrate, and test FPGA-based digital systems for aerospace, defense, and advanced technology applications.
• Develop, modify, and maintain FPGA firmware using Verilog, VHDL, and other HDLs.
• Create and execute simulation and verification test benches to validate FPGA designs and ensure compliance with system requirements.
• Perform FPGA synthesis, timing analysis, debugging, and optimization to achieve performance, resource utilization, and reliability objectives.
• Integrate FPGA firmware with hardware components, embedded processors, and software applications.
• Design and implement communication interfaces and protocols including RS-232, RS-422, UART, SPI, I2C, and other serial communication standards.
• Utilize FPGA development and verification tools such as Xilinx Vivado, Altera/Intel Quartus, Synplify, Model Sim, Verdi, and related environments.
• Support laboratory integration, hardware bring-up, system verification, and troubleshooting activities.
• Analyze existing firmware and hardware designs to reverse engineer functionality and develop architectural documentation and block diagrams.
• Develop and implement Digital Signal Processing (DSP) functions including filters, FFTs, modulation/demodulation, and error-correction algorithms.
• Collaborate with systems, hardware, software, and test engineers to ensure successful system integration and performance.
• Support technical reviews, design documentation, test planning, and customer presentations.
• Evaluate emerging FPGA technologies, tools, and design methodologies to improve system capabilities and development efficiency.
• Provide technical guidance and mentorship to junior engineers as needed.
• Other responsibilities as assigned.

• Bachelor of Science degree in Electrical Engineering, Computer Engineering, Mathematics, Physics, or a related technical discipline.
• Minimum of 10 years of experience in FPGA design, digital systems development, or related engineering fields.
• Extensive experience developing FPGA designs using Verilog, VHDL, and HDL-based design methodologies.
• Strong understanding of digital logic design, digital electronics, and FPGA architectures.
• Experience with FPGA simulation, verification, timing analysis, and hardware integration.
• Proficiency using FPGA development tools such as Xilinx Vivado, Intel/Altera Quartus, Synplify, Model Sim, Verdi, or equivalent.
• Thorough knowledge of Digital Signal Processing (DSP) concepts, algorithms, and implementation techniques.
• Experience implementing, troubleshooting communication protocols including RS-232, RS-422, UART, SPI, and I2C.
• Experience integrating FPGA firmware with embedded hardware, software applications, and system-level components.
• Ability to analyze technical requirements and develop innovative engineering solutions.
• Strong analytical, troubleshooting, and problem‑solving skills.
• U.S. Citizenship with Active Secret Security clearance and ability to maintain the designated security clearance level is required.

Employees in this position will work in a general office/cubicle setting and laboratory/testing environment using standard office equipment and various electronic testing equipment, including a computer, telephone, printers, video equipment, computer software, and testing equipment. May interact in a general office setting, participate in meetings, and contribute to team success; may include telework. Laboratory environment may require use of protective equipment (PPE) including safety glasses and hearing protection.

May be expected to work varying shifts and hours and travel occasionally for assigned work.

Sim Tech, Inc. is an Equal Opportunity/Affirmative Action Employer. Sim Tech, Inc. is a committed EOE/Vet/Disabled employer. Simulation Technologies, Inc. (Sim Tech) provides reasonable accommodation for qualified individuals with disabilities and disabled veterans in its job application procedures. If you have difficulty using our online system and need an accommodation due to a disability, you may contact us at  or .

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, age, genetic information, citizenship, ancestry, marital status, protected veteran status, disability status or any other status protected by federal, state, or local law. Sim Tech participates in E‑Verify.