Senior Embedded Systems Engineer

Infleqtion; Boulder (CO); On-site; USD 140,000 - 190,000; Full time

Benefits offered by this job

Paid Parental Leave

Unlimited Time Off

100% Paid Insurance Premium

Stock Options

Retirement 401(k) match

Relocation Assistance

Employee Assistance Program

Job summary

Infleqtion in Boulder, CO is seeking an experienced Embedded Systems/HDL Engineer to help commercialize quantum technologies. You will develop RTL with SpinalHDL and Verilog/SystemVerilog, integrate embedded Linux, and collaborate with physicists and cross-disciplinary engineers.

The role emphasizes robust software engineering practices, code reviews, CI, and testing in lab environments, with opportunities to lead small teams and contribute to RF waveform processing and signal accelerators.

Qualifications

• Bachelor's degree in engineering, computer science or related field.
• 8+ years of prior work experience is expected.
• Experience leading small technical teams or projects.
• Strong software engineering practices: testing, revision control (git), readability, documentation.

Responsibilities

• Collaborate with physicists and across engineering domains to deliver embedded system solutions.
• Develop testable, performant RTL using SpinalHDL.
• Support hands-on tuning and troubleshooting in lab environments.
• Architect processing chains with analytical models to meet design requirements.
• Embrace modern software practices: CI pipelines, static analysis, automated builds.
• Participate in design, code, and data reviews.

Skills

Embedded Linux

SpinalHDL

RTL design

Verilog/SystemVerilog

Rust

Scala

C/C++

Python

Git / CI

Testing / debugging

Education

Bachelor's degree in engineering or computer science

Tools

Verilog

SystemVerilog

VHDL

SpinalHDL

Job description

• Infleqtion is on a mission to commercialize atom-based quantum technologies that deliver orders-of-magnitude improvements in sensing and computing applications. As a deep-tech startup, we embrace a results-driven, fast-paced, and customer-focused approach to innovation
• 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 with physicists and across electrical, software, and opto-mechanical engineering domains to deliver optimal embedded system solutions for quantum applications
• Develop testable, performant, and scalable RTL using SpinalHDL
• Support hands on tuning and troubleshooting in laboratory and test bench environments
• Architect processing chains with supporting analytical models to ensure that critical design requirements are met
• Embrace best modern software engineering practices to ensure robustness and maintainability and facilitate collaboration. This includes leveraging revision control, CI pipelines, static analysis tools, and automated build pipelines
• Participate in design, code, and data reviews

Benefits

• Paid Parental Leave - Eligible employees will receive 12 weeks of Parental Leave paid at 100% of the employee's regular wages
• Unlimited Time Off - We encourage employees to take time away from work to promote balance in their lives
• 100% Paid Insurance Premium - Infleqtion pays for 100% of the employee premiums costs for Health, Dental, and Vision Insurance & pays 90% for dependents
• Additional Paid Time Off - 11 paid holidays per year, plus bereavement leave, paid jury duty, paid time off to vote, and more!
• Stock Options
• Student Loan Repayment - $100 per month match in student loan repayment
• Retirement - 401(k) contributions with a 3% employer match
• Employee Assistance Program to all team members
• Relocation Assistance

We are seeking self-motivated, energetic individuals with exceptional problem-solving and technical skills to help drive our Quantum Computing mission forwardExperience leading small technical teams or projectsSkilled in typical software engineering disciplines: testing, revision control (git), error-handling, readability, documentation, general code health, etcFamiliarity with Embedded Linux OS distribution builds (nix, Yocto, or Buildroot)Modern closed-loop control systems (e.g. state space controllers)Expertise in developing HDL for one or more of the following applications:Expertise in working with industry standard hardware descriptive languages (Verilog, System Verilog, or VHDL)Good verbal and written communication skills, able to effectively share information with technical and non-technical staffExperience developing RTL in high level functional languages (especially Scala / SpinalHDL)Experience working with compiled languages for Linux and baremetal targets (especially Rust)Expertise working with AMD Xilinx programmable logic devices (especially Zynq Ultrascale+ MPSoC)Image processingGood collaboration skills, able to work in a team environment where engagement and participation are an expected part of successful job performanceWe encourage applications from engineers with expertise in high-performance signal processing in programmable logic, particularly those with experience in RF waveform synthesis, high-bandwidth control servos, image processing, or math acceleratorsComfortable working in a Linux development environment and working with standard scripting languages (Python, bash)Desire to constantly improve and learn inside and outside of expertiseBachelor's degree in engineering, computer science or related field and a minimum of 8 years prior work experienceRF waveform synthesis and processingMatrix arithmetic accelerators