Demo

Senior Embedded Systems Engineer

Infleqtion
Madison, WI Remote Full Time
POSTED ON 4/1/2026
AVAILABLE BEFORE 6/1/2026
Position Summary

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. We are seeking self-motivated, energetic individuals with exceptional problem-solving and technical skills to help drive our Quantum Computing mission forward. We 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 accelerators.

At Infleqtion we embrace a startup mentality driven by results, urgency, and customer-focused innovation:

  • We break down barriers between disciplines, stepping in wherever we can make the biggest impact.
  • We thrive in uncertainty, embracing challenges as opportunities.
  • We move quickly to prototype while never losing sight of the critical importance of systems engineering process and attention to detail.
  • We take bold, calculated risks to drive progress.
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 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.
REQUIREMENTS
  • Bachelor's degree in engineering, computer science or related field and a minimum of 8 years prior work experience.
  • Expertise in working with industry standard hardware descriptive languages (Verilog, System Verilog, or VHDL)
  • Comfortable working in a Linux development environment and working with standard scripting languages (Python, bash)
  • Good verbal and written communication skills, able to effectively share information with technical and non-technical staff
  • Good collaboration skills, able to work in a team environment where engagement and participation are an expected part of successful job performance
  • Skilled in typical software engineering disciplines: testing, revision control (git), error-handling, readability, documentation, general code health, etc.
  • Desire to constantly improve and learn inside and outside of expertise
PREFERRED EXPERIENCE:
  • Expertise working with AMD Xilinx programmable logic devices (especially Zynq Ultrascale MPSoC).
  • Experience developing RTL in high level functional languages (especially Scala / SpinalHDL)
  • Expertise in developing HDL for one or more of the following applications:
    • RF waveform synthesis and processing
    • Modern closed-loop control systems (e.g. state space controllers)
    • Image processing
    • Matrix arithmetic accelerators
  • Familiarity with Embedded Linux OS distribution builds (nix, Yocto, or Buildroot)
  • Experience working with compiled languages for Linux and baremetal targets (especially Rust)
  • Experience leading small technical teams or projects

The targeted salary range for this role is $131,000 to $175,000 on an annualized basis plus eligibility to participate in our annual incentive plan.

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

  • 100% company paid Employee coverage for Medical, Dental, Vision, and Short/Long Term Disability insurance programs
  • Employer funded Health Savings Account
  • Unlimited Paid Time Off
  • 401(k) Matching Programs
  • Company paid Life and AD&D Insurance
  • Flexible Healthcare Savings Account
  • Paid FMLA Leave
  • Paid Maternity/Paternity Leave
  • Employer Assistance Program
  • Student Loan Repayment

Equal Opportunity

Here you have freedom to embrace your whole self: who you love, your gender identity and expression, skin color, age, appearance, disability, neurodiversity, DNA, military/veteran status, citizenship, and other factors that make up who you are. Your uniqueness is valued, welcomed, and appreciated here. We are dedicated to providing a positive workplace and base all employment decisions on your qualifications, performance, merits, as well as business needs. We are proud to be an Equal Employment Opportunity Employer.

Salary : $131,000 - $175,000

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