Senior Embedded Systems Engineer

Infleqtion is a global quantum technology company solving the world’s most challenging problems. The company harnesses quantum mechanics to build and integrate quantum computers, sensors, and networks. From fundamental physics to leading edge commercial products, Infleqtion enables “quantum everywhere” through our ecosystem of devices and platforms.  

POSITION SUMMARY 

Infleqtion is seeking a Senior Embedded Systems Engineer to support the development and integration of advanced Quantum RF (QRF) sensing systems. 

This role focuses on designing and implementing the gateware, software, and hardware to enable opto-electrical control systems for our quantum sensing solutions. In this role, you will work closely with a cross-functional team of software engineers, opto-mechanical engineers, and physicists to develop unique control algorithms and complex data processing tools. You will be part of a purpose-built team to bring quantum systems from lab environments to field demonstrations. 

JOB RESPONSIBILITIES 

The duties and responsibilities outlined below include essential functions of the role.  

• Design, develop, and maintain embedded software and gateware for control of QRF systems and subsystems  
• Key contributor towards developing control system architectures for future quantum sensors 
• Subsystem integration into quantum systems, including verification, validation, and debugging 
• Deploy high test coverage and fully leverage our CI pipelines and hardware test beds to have confidence that your designs will work as expected 
• Develop programmable logic and low-level CPU interfaces to control integrated systems and peripherals including quantum sensors, magnetic field controllers, and lasers 

• Create test scripts to validate subsystems and components of integrated systems 
• Support board bring-up and debugging efforts, providing feedback to design teams.  
• Work closely with electrical, mechanical, software, and physics teams to ensure successful system integration and deliver high-performance real time embedded systems 
• Support applications and demo teams by improving system usability and reliability 
• Operate and interface with a range of electrical and optical lab test equipment 
• Working with Rust firmware engineers to define architecture and drivers 

EDUCATION AND EXPERIENCE 

• BS or MS in Electrical Engineering, Computer Engineering, Computer Science, or related field  
• 4+ years of experience in embedded systems, FPGA development, or mixed signal design 
• Familiarity with one two following areas, proficiency in both areas preferred: 
• Embedded system development in Rust. If you have relevant expertise but with C/C++, you may still be successful in this role if you have interest in Rust and have some idea of how Rust can be used to rapidly develop safe and performant systems 
• FPGA development in any HDL with experience in RF synthesis. Whether you like to work in Verilog/VHDL or bleeding-edge languages like SpinalHDL, nMigen, or MyHDL 
• Experience interfacing with hardware (SPI, I2C, UART, Ethernet, etc.)  
• Strong debugging skills across hardware and software boundaries  
• Experience with common benchtop test equipment, such as oscilloscopes, spectrum analyzers, multimeters, and power supplies 
• This position may require access to information protected under U.S. export control laws and regulations, including the Export Administration Regulations (EAR) and the International Traffic in Arms Regulations (ITAR). Please note that any offer for employment may be conditioned on authorization to receive software or technology controlled under these U.S. export control laws and regulations without sponsorship for an export license 

PREFERRED / NICE-TO-HAVE SKILLS 

• Experience with RF systems, signal generation, or data acquisition hardware  
• Familiarity with control systems or feedback loops  
• Experience with FPGA-based systems  
• Experience developing test or automation frameworks  
• Exposure to scientific instrumentation or R&D environments 
• Exposure to hardware design and schematic capture 

TRAVEL 

Up to 10% travel may be required. 

WORKING CONDITIONS and PHYSICAL REQUIREMENTS  

Work will normally be performed in an office and laboratory environment and around technical equipment including computers and lasers.  Able to sit, stand, bend, lift and carry up to 40 pounds without assistance.  Able to efficiently use automated office equipment such as laptops, copiers, and printers; able to effectively engage in communications (via phone, computer, or in-person).  Any required Personal Protective Equipment will be provided and must be properly used in accordance with company requirements. 

• Salary range:  $131,000 to $175,000
• 100% company-paid medical, dental, vision, short/long-term disability  
• Employer-funded Health Savings Account  
• Unlimited PTO  
• 401(k) match  
• Company-paid Life and AD&D Insurance  
• Flexible Savings Account  
• Paid FMLA, Maternity/Paternity Leave  
• Employee Assistance Program  
• Student Loan Repayment 
• Equity Program