FPGA Design Engineer, Senior

Simulation Technologies Inc. (SimTech); Huntsville (AL); On-site; USD 120,000 - 180,000; Full time

Job summary

SimTech, Inc. in Huntsville, AL, seeks a Senior FPGA Design Engineer to lead design, development, integration, testing, and troubleshooting of advanced radar systems supporting missile seeker technologies.

The role focuses on FPGA-based digital systems for aerospace and defense, using Verilog, VHDL, and related HDLs. You will collaborate across systems, hardware, software, and test teams; perform synthesis, timing analysis, and verification; mentor junior engineers; and contribute to

Qualifications

• BS in Electrical Engineering, Computer Engineering, Mathematics, Physics, or related technical discipline.
• Minimum 10 years of FPGA design experience.
• U.S. Citizenship with Active Secret Security clearance.

Responsibilities

• Design, develop, integrate, and test FPGA-based digital systems for aerospace and defense applications.
• Develop, modify, and maintain FPGA firmware using Verilog and VHDL.
• Create and execute simulation and verification test benches to validate FPGA designs.
• Perform FPGA synthesis, timing analysis, debugging, and optimization.
• Integrate FPGA firmware with hardware components, embedded processors, and software applications.
• Design and implement communication interfaces and protocols (RS-232, RS-422, UART, SPI, I2C).
• Utilize FPGA development and verification tools (Xilinx Vivado, Intel Quartus, ModelSim, Verdi).
• Support laboratory integration, hardware bring-up, system verification, and troubleshooting.
• Provide mentorship to junior engineers and contribute to design documentation.

Skills

FPGA design

Verilog

VHDL

DSP concepts

Digital logic

Timing analysis

FPGA tools

Embedded interfaces

Education

BS in Electrical/Computer Engineering

Tools

Xilinx Vivado

Intel Quartus

ModelSim

Verdi

Synplify

Job description

Overview

SimTech, Inc., recognized as one of the 2026 Best Places for Working Parents, is seeking a FPGA Design Engineer, Senior to join our dynamic and diverse team in Huntsville, AL. This is an upcoming opening with opportunities for growth and professional development.

SimTech offers a market leading compensation package with excellent benefits, work/life balance, outstanding retirement plan, career advancement and much more.

The FPGA Design Engineer, Senior is responsible for the design, development, integration, testing, and troubleshooting of advanced radar systems supporting missile seeker technologies.

Responsibilities

• 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 Hardware Description Languages (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, ModelSim, 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.

Minimum Qualifications & Education Requirements and Desired Skillsets

• 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, ModelSim, 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.

Physical Description

Employees in these positions will function in a general office/cubicle setting environment, and laboratory/testing setting using standard office equipment and various electronic testing equipment, including a computer, telephone, printers, video equipment, computer software, and testing equipment. Will interact in a general office setting environment with various personnel; participate in meetings and contribute to team success; deliver timely results and produce reports; receive and communicate information; may include telework. May function in a specialized laboratory/testing environment using electronic testing equipment, computer software, and complex systems. May move and test equipment of various weights. Laboratory environment may require use of protective equipment (PPE) including but not limited to safety glasses and protective hearing and footwear. May be expected to work varying shifts and hours to ensure successful operation of activities in the organization due to business demands; travel occasionally for assigned work.

About SimTech, Inc.

SimTech's mission is to be the most reliable and cost-effective provider of Signature Models, Simulations, Hardware, Software, Cyber solutions, and Test & Evaluation services. Established in 1983 by a team of experienced scientists and engineers, SimTech has a long history of delivering high-technology defense-oriented solutions.

The company has been recognized as a \"Best Place to Work\" in 2020 and 2021, and as a \"Best Place for Working Parents\" in 2022-2026 by the Huntsville/Madison County Chamber of Commerce.

SimTech offers an industry-leading comprehensive compensation and benefits package. Be a part of over 43+ years of excellence-join our team today!

To learn more about our exceptional team and employee benefits, contact SimTech HR or visit www.simtechinc.com for more information.

Equal Employment Opportunity and Aff…

SimTech, Inc. is an Equal Opportunity/Affirmative Action Employer. SimTech, Inc. is a committed EOE/Vet/Disabled employer.

Simulation Technologies, Inc. (SimTech) is an Equal Employment Opportunity employer and provides reasonable accommodation for qualified individuals with disabilities and disabled veterans in its job application procedures. If you have any difficulty using our online system and you need an accommodation due to a disability, you may use the following email address, [e-mail] and/or phone number (256.428.2910) to contact us about your interest in employment with SimTech.

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. SimTech participates in E-Verify.