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Tangram Flex is seeking a Senior FPGA Engineer with a Software/Firmware Focus to design, develop, and optimize high-performance digital logic circuits. This role bridges the gap between hardware architecture and low-level software. The engineer is responsible for implementing complex digital signal processing (DSP) algorithms, managing high-speed data protocols, and ensuring seamless integration with host software systems.

Our team and products provide solutions to enable innovators to design, develop, verify, and advance critical systems, while accelerating innovation that advances our nation’s security. By accelerating delivery of critical systems, Tangram is transforming the way our nation solves complex software challenges.

• Architecture & Design: Translate complex software requirements into optimized Register Transfer Level (RTL) architecture.
• IP Development: Design, implement, and test custom intellectual property (IP) blocks using VHDL, Verilog, or SystemVerilog.
• Hardware-Software Integration: Develop low-level C/C++ drivers, Linux kernel modules, and APIs to connect FPGA logic with embedded microprocessors.
• Verification & Testing: Write comprehensive testbenches (using UVM or SystemVerilog) and utilize hardware-in-the-loop (HIL) testing with oscilloscopes and logic analyzers.
• Timing Closure: Analyze and optimize logic placement, routing, and clock domains to meet strict hardware timing and power constraints.

• Bachelor’s degree in Computer Science, Electrical Engineering, Computer Engineering or a related field
• Ability to obtain or possess a current or recent U.S. Government Security (DoD) Clearance. U.S. citizenship is required to obtain clearance
• Hardware Languages: Proficiency in VHDL, Verilog, or System Verilog.
• Software Languages: Strong programming skills in C, C++, and scripting languages like Python or Tcl for automation.
• FPGA Toolchains: Mastery of vendor tools such as AMD/Xilinx Vivado, Intel Quartus, or Microchip Libero.
• Methodologies: Experience with High-Level Synthesis (HLS), Digital Signal Processing (DSP), and SoC architectures (e.g., ARM-Cortex embedded in FPGA).
• Protocols: Deep understanding of high-speed interfaces like PCIe, Ethernet (10G/100G), DDR4/DDR5, and AXI streaming.
• Work is based in Dayton, Ohio with periodic days at WPAFB
• Travel required up to 25% for customer support and presentations

• Experience: 5+ years of hands‑on experience in FPGA design and embedded software development.
• Domain Expertise: Industry-specific experience in areas like RF/SDR, defense, automotive (ADAS), high-frequency trading, or data centers.

• Ability to travel by air, car, or other transportation methods
• Prolonged periods of sitting at a desk and working on a computer (up to 8 hours/day)
• Ability to lift and carry lightweight items (e.g., laptops, demo equipment, marketing materials) up to 25 lbs.
• Frequent use of hands and fingers for typing, using a mouse, writing, and handling equipment.
• Visual acuity to read detailed technical documents, view computer screens, and operate software systems
• Auditory ability to participate in meetings, customer demos, and conference calls, including in potentially noisy environments (e.g., trade shows or military facilities)
• Mobility to move between office spaces, customer sites, conference venues, and manufacturing or lab environments
• Flexibility to adapt to varying work environments (e.g., corporate offices, government buildings, industrial or lab spaces)

Tangram Flex is committed to staying rooted in our core value of Team First. For that reason, we’ve designed a highly competitive benefits program and supportive work environment to engage employees and their families.

• Hybrid work options
• Flexible Working Hours, 10 paid holidays, and generous Paid Time Off
• Employer Paid Medical, Dental, Vision and Short and Long Term Disability Insurance
• Access to group rating plans for Life Insurance
• Employer contribution to Health Savings Account
• Competitive 401K employer match
• A work environment and culture that fosters transparency, collaboration and well‑being

Tangram Flex is an Equal Opportunity Employer, and provides reasonable accommodation for qualified individuals with disabilities and disabled veterans in its application procedures and in accordance with federal law. All qualified candidates will receive consideration for employment based on business needs, job requirements, and individual qualifications.

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