ASIC Test & Characterization Engineer - 1102

We are seeking an ASIC Test & Characterization Engineer in our Broomfield, CO, ASIC team to contribute to the development of Quantinuum’s next-generation Apollo and Lumos quantum computers. This is an opportunity for an engineer or physicist to work directly on cryogenic semiconductor device and circuit characterization required for next-generation ion-trap quantum computers.

In this role, you will execute hands-on testing and characterization across multiple devices and technologies, working side-by-side with ASIC designers, system architects, and experimental physicists in a fast-paced R&D environment where initiative, creativity, and technical depth truly matter.

If you’re excited by complex hardware, ultra-low-temperature physics, and seeing your work make it into real quantum machines, this role is for you., Perform hands-on cryogenic semiconductor device and circuit characterization, including test setup, execution, and data collection Partner with integrated product teams to validate ASICs critical to Quantinuum’s quantum computer roadmap Design and develop electrical interfaces, fixtures, and test equipment for cryogenic environments Automate test execution and data analysis to enable fast, repeatable results Synthesize test results, understand their impact, and present to physicists, engineers, and leadership Operate cryogenic test chambers and associated lab equipment Collaborate with cross-functional teams to translate system-level requirements into clear, verifiable test plans. Translate system-level quantum computer requirements and customer needs into clear, verifiable test plans Thrive in a rapid-prototyping, R&D-focused environment where iteration speed matters

Bachelor’s Degree Minimum Minimum 3+ years of relevant engineering, laboratory, or R&D experience, including graduate research Due to Contractual requirements, must be a U.S. Person defined as, U.S. citizen permanent resident or green card holder, workers granted asylum or refugee status, Experience testing and characterizing semiconductor devices, ASICs, or analog/digital circuits Experience using Python, or similar programming languages, for test automation, data acquisition, or analysis Authorization to work in the United States without current or future visa sponsorship Hands on experience with low noise analog electronics Understanding of EMI/EMC, grounding, and return current paths in sensitive systems Hands-on experience translating electrical characterization results into models for circuit design Experience with cryogenic test chambers Familiarity with the electrical engineering challenges of quantum computers, ion traps, or similar ultra sensitive systems Clear communicator who produces right sized, effective design and test documentation

The pay range for this role is $135,000 - $181,000 annually. Actual compensation within this range may vary based on the candidate’s skills, educational background, professional experience, and unique qualifications for the role., We believe our people are our greatest strength and offer a comprehensive rewards package that supports your professional growth, well-being, and long-term success. Competitive compensation and the opportunity to work on groundbreaking technology Flexible work arrangements that support work-life balance Employer-subsidized medical, dental, and vision insurance 401(k) retirement savings plan with company match and student loan repayment benefit Equity opportunities Generous paid time off, sick leave, and 12 paid holidays annually Paid parental leave Employee discount programs

Quantinuum is a leading quantum computing company delivering a full stack platform designed to make quantum computing deployable in real-world environments. With active engagements spanning pharmaceuticals, material science, financial services, government, industrial sectors, and leading academic and research institutions worldwide, we are helping organizations unlock the transformative potential of quantum computing.

Our global team of more than 800 employees includes many of the world’s leading scientists, engineers, and researchers, with more than 70% of our technology team holding advanced degrees at the Master’s or PhD level. Headquartered in Broomfield, Colorado, Quantinuum operates across the United States, United Kingdom, Germany, Japan, and Singapore.

By joining Quantinuum, you’ll help shape the future of quantum computing, pushing the limits of technology, and making the impossible possible.