Associate Electrical Engineer

Infleqtion

Posted 2 months ago

Full Time

Boulder, Colorado

Hybrid

Smart Summary

Responsibilities

The Associate Electrical Engineer will design, prototype, and debug analog and mixed-signal circuits for quantum computing hardware. They will also collaborate with physicists and engineers to integrate electronics into experimental systems and document all design and testing procedures.

Qualifications

You have a Bachelor's degree in Electrical Engineering or a related field and hands-on experience with electronic debugging and laboratory instrumentation. You are proficient in PCB layout using ECAD tools and have experience assembling and testing prototype electronics.

Must Have Skills for ATS

PCBs

Altium

oscilloscopes

spectrum analyzers

VNAs

multimeters

signal generators

RF electronics

microwave systems

mixed-signal electronics

embedded hardware

Job Description

At Infleqtion we solve the world’s most challenging problems using cutting-edge quantum technology. Our mission is to commercialize atom-based quantum products that provide orders of magnitude improvements in sensing and computing applications. We are proud to work tirelessly to create and lead the quantum ecosystem towards meaningful advancements today and set the technology roadmap for tomorrow.

POSITION SUMMARY

Within Infleqtion’s Quantum Computing Product Group, the Hardware Engineering Team is seeking an Associate Electrical Engineer to help develop the electronics that power next‑generation neutral‑atom quantum computing platforms.

This role is ideal for an engineer who enjoys hands-on hardware development. You will work directly with engineers and physicists to design small PCBs, build prototype electronics, debug experimental systems, and support hardware bring-up.

JOB RESPONSIBILITIES

Typically, you will be entrusted with:

  • Design small analog and mixed-signal circuits used for instrumentation, control electronics, and laboratory hardware.
  • Develop and maintain PCB designs for prototype and experimental systems.
  • Bring up and debug new electronics hardware, including power supplies, RF subsystems, and digital control electronics.
  • Perform laboratory testing and measurements using oscilloscopes, spectrum analyzers, VNAs, multimeters, and signal generators.
  • Support integration of electronics into optical, mechanical, and experimental physics systems.
  • Assist senior engineers with hardware architecture, component selection, and prototype development.
  • Build and modify experimental hardware including wiring harnesses, test fixtures, and lab instrumentation setups.
  • Document designs, schematics, test results, and debugging procedures.
  • Bachelor’s degree in Electrical Engineering or a closely related field.
  • Experience laying out PCBs using Altium (preferred) or similar ECAD tools.
  • Hands-on experience with electronic debugging and laboratory instrumentation, including automation and instrumentation control.
  • Experience assembling and testing prototype electronics.
  • Strong troubleshooting and problem-solving skills.

WE HIGHLY VALUE:

  • Experience with RF electronics or microwave systems.
  • Experience with mixed-signal electronics or embedded hardware.
  • Enjoyment of hands-on experimentation and hardware development in experimental research or hardware startup environments.
  • Strong curiosity and willingness to learn new technical domains.
  • Collaborative mindset with attention to detail and commitment to high-quality engineering work.
  • Salary range: $75,000 to $100,000 per year
  • 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 Package

Infleqtion

Infleqtion, Inc. (NYSE: INFQ) is a global leader in quantum technology, delivering neutral atom solutions for quantum computing, networking, sensing, and security. With a product portfolio spanning quantum computers, quantum optical clocks, RF receivers, and inertial sensors, Infleqtion’s full-stack approach combines high-performance hardware with the company’s proprietary Superstaq quantum computing software platform. Infleqtion’s systems are already in use by the U.S. Department of War, NASA, the U.K. government, and in multiple collaborations with NVIDIA. Infleqtion, in collaboration with NVIDIA, published the world’s first demonstration of a materials science application using logical qubits. With operations in the U.S., Europe, and Asia, Infleqtion meets the demands of government and commercial customers across the space, defense, energy, finance and telecommunications sectors.
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