Senior QPU Software Engineer; FPGA

Position: Senior QPU Software Engineer (FPGA)
Senior FPGA Engineer - Quantum Computing Control Systems Company Overview Join QuEra Computing's engineering team to develop cutting-edge FPGA systems for neutral atom quantum computers. You'll work on real-time control systems that manipulate individual atoms with microsecond precision, enabling breakthrough quantum algorithms and applications. Role Summary We're seeking a Senior FPGA Engineer to design, implement, and optimize high-performance FPGA systems for quantum computing applications.

You'll work on complex real-time control systems, high-speed data acquisition, and precision timing systems that are critical to our quantum computer's operation.

Key Responsibilities Core FPGA Development
* Design and implement System Verilog modules for quantum control systems including:
* Scheduled multitone generators for RF/microwave quantum gates
* Real-time pulse sequencers for laser control
* High-speed ADC/DAC interfaces (16-bit, 4 samples/clock)
* Hardware-accelerated image processing for atom detection
* Develop and maintain Ulti-board FPGA designs (Xilinx Zynq Ultra Scale+ RFSoC)
* Implement high-speed serial interfaces (CoaXPress, Aurora, AXI4-Stream)
* Design clock domain crossing logic with proper CDC verification
* Optimize resource utilization and timing closure for complex designs System Integration & Verification
* Create comprehensive test benches using System Verilog and Python (cocotb)
* Develop simulation models for quantum control peripherals
* Implement formal verification for critical timing constraints
* Design and validate real-time trigger and synchronization systems
* Troubleshoot hardware-software integration issues Performance & Reliability
* Optimize data through put for high-bandwidth quantum control signals
* Implement error detection and recovery mechanisms
* Design robust clocking architectures for multi-domain systems
* Develop monitoring and diagnostics for system health
* Ensure deterministic timing for quantum gate operations Technical Requirements Essential Skills
* 5+ years FPGA development experience with Xilinx Ultra Scale+ devices
* Expert-level System Verilog with modern verification methodologies
* Experience with high-speed serial protocols (Aurora, AXI4, PCIe, Ethernet)
* Real-time systems design with microsecond timing requirements
* Digital signal processing implementation in FPGAs
* Clock domain crossing design and verification
* Python programming for test automation and data analysis

Preferred Qualifications
* RF/microwave systems experience (frequency synthesis, phase-locked loops)
* High-speed ADC/DAC interfaces (JESD
204B/C, RFSoC experience)
* Image processing algorithms (centroid detection, pattern recognition)
* Formal verification using System Verilog assertions
* CoaXPress or camera interface experience
* AWS/cloud development environments
* Familiar with High Level Synthesis and Vivado block design Technical Stack
* FPGA Tools:
Vivado 2022.2+, Vitis, Peta Linux

* Languages:

System Verilog, Verilog, Python, TCL
* Verification: UVM, cocotb, pytest, formal verification
* Protocols: AXI4, AXI4-Stream, Aurora, CoaXPress, SPI, I2C
* Boards:
Xilinx ZCU
102/111/216, RFSoC platforms
* Development:
Git, CI/CD, AWS EC2, Linux Project Examples You'll work on systems like:
* Quantum Gate Control: 8-channel RF tone generators with 0.1 Hz frequency resolution
* Atom Detection:
Real-time image processing at 1+ Gbps data rates
* Precision Timing:
Synchronized control sequences with