ASIC Test & Characterization Engineer - 1102

Quantinuum • Broomfield, CO

2d • $135,000 - $181,000 • Onsite

About The Position

Quantinuum is seeking an ASIC Test & Characterization Engineer for its ASIC team in Broomfield, Colorado. The role contributes to development of the company’s next-generation Apollo and Lumos quantum computers through hands-on cryogenic semiconductor device and circuit characterization. The engineer works with ASIC designers, system architects, and experimental physicists in a fast-paced R&D environment, testing and characterizing multiple devices and technologies.

Requirements

• Bachelor’s degree minimum.
• At least 3 years of relevant engineering, laboratory, or R&D experience, including graduate research.
• Must be a U.S. Person, defined as a U.S. citizen, permanent resident or green card holder, or a worker granted asylum or refugee status.

Nice To Haves

• 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 communication skills and ability to produce appropriately scoped, effective design and test documentation.

Responsibilities

• 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 findings to physicists, engineers, and leadership.
• Operate cryogenic test chambers and associated laboratory equipment.
• Collaborate with cross-functional teams to translate system-level requirements and customer needs into clear, verifiable test plans.
• Work effectively in a rapid-prototyping, R&D-focused environment where iteration speed matters.

Benefits

• Competitive compensation.
• Flexible work arrangements.
• Employer-subsidized medical, dental, and vision insurance.
• 401(k) retirement savings plan with company match.
• Student loan repayment benefit.
• Equity opportunities.
• Generous paid time off and sick leave.
• 12 paid holidays annually.
• Paid parental leave.
• Employee discount programs.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level