Control System Engineer, FPGA

4 weeks ago

Oxford, United Kingdom Infleqtion Full time

Infleqtion delivers high-value quantum information precisely where it is needed. By operating at the Edge, our software-configured, quantum-enabled products deliver unmatched levels of precision and power, generating streams of high-value information for commercial organizations, the United States, and allied governments. With 16 years of ColdQuanta's pioneering quantum research as our foundation, our hardware products and AI-powered solutions address critical market needs in PNT, global communication security and efficiency, resilient energy distribution, and accelerated quantum computing. We currently have offices in Austin, TX; Boulder, CO; Chicago, IL; Louisville, CO; Madison, WI; Melbourne, AU; and Oxford, UK. Learn how Infleqtion is revolutionizing how we communicate, navigate, and discover at www.infleqtion.com. 

Location

This position is a full-time position and is based in our Oxford, England offices (Central Oxford, Kidlington, and/or Harwell)

POSITION SUMMARY:

Infleqtion UK is in search of a highly motivated Control Systems Engineer with FPGA and DSP expereince, and with a keen interest in joining a diverse, interdisciplinary team dedicated to transcending the boundaries of quantum technology, bringing it from the confines of the laboratory into practical real-world applications. As a Control Systems Engineer, you will employ your analytical and problem-solving skills to contribute to the design, implementation, and operation of atom-based quantum technologies, including inertial navigation systems, radiofrequency sensors, and atomic clocks.

 JOB RESPONSIBILITIES:

The duties and responsibilities outlined below include essential functions of the role. Depending on business needs, this role may perform a combination of some or all of the following duties. Duties, responsibilities, and activities may change, or new ones may be assigned at any time with or without notice.

  • Collaborate seamlessly with a multidisciplinary team to orchestrate the development of atom-based quantum technologies, encompassing atomic clocks and inertial sensing systems.
  • Engineer electronic and microsystem solutions tailored for controlling subsystems, such as laser and frequency comb drivers, amplifiers, various photodetectors (e.g., photomultipliers and photodiodes), thermal sensors, heaters, coolers, and RF upconversion/downconversion.
  • Implement digital transmit/receive (TX/RX) and real-time digital signal processing (DSP) functions on an FPGA.
  • Create high speed interfaces from FPGA to peripherals such as ADC, DAC, DDA, PLL and other high-speed devices.
  • Execute high-speed DSP in the loop feedback control systems on an FPGA.
  • Collaborate closely with electronics and systems engineers to design and realize FPGA-based peripherals.
  • Employ precision test and measurement equipment to characterize and test systems.
  • Conduct critical design reviews based on specific product specifications.
  • Create, document, and maintain electronic designs and architectural blueprints.
  • Effectively manage technical priorities, meet deadlines, and deliver on project objectives.

Requirements

  • Significant experience working in engineering, computer science, or a related field.
  • Proficiency in implementing DSP algorithms, digital transceivers, and control loops on FPGAs using VHDL or Verilog.
  • In-depth knowledge and understanding of digital and RF hardware, including its limitations and its impact on system performance.
  • Competence in interfacing FPGAs with system memory and peripherals.
  • Proficiency in interfacing with embedded devices through standard communication protocols such as I2C, SPI, UART, and others.
  • Experience in hardware product development, new product introduction, and familiarity with Product Life Cycle processes.
  • Hands-on experience with electrical test, verification, and validation of products and subsystems.

Desirable Skills or Knowledge

  • Experience with embedded systems programming in C/C++ or Rust.
  • Experience of developing with FPGA SoC/SoM devices.

Benefits

In addition to your base compensation, we offer a generous Total Rewards program which includes:  

  • Competitive salary
  • Unlimited PTO
  • Generous company pension contribution
  • Cycle to work and Technology schemes
  • Incentive Stock Option Plan

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