Qubit Characterization Engineer

Job Description

Job Title: Qubit Characterization Engineer. Location: Yorktown Heights, New York, United States

Responsibilities:

• Characterize superconducting qubits and devices using cryogenic measurements, including coherence, relaxation, spectroscopy, and two-qubit gate performance.
• Develop and execute measurement experiments using RF and microwave instrumentation.
• Operate dilution refrigerators and automated data-acquisition systems.
• Analyze experimental data to identify device and process limitations;
• Troubleshoot complex experimental systems.
• Collaborate with fabrication, design, and software teams to diagnose device performance issues.
• Help improve qubit yield and quality.
• Translate characterization results into actionable hardware improvements.
• Communicate experimental results effectively across multidisciplinary engineering teams.

Qualifications:

• Bachelor’s degree in Physics, Electrical Engineering, Applied Physics, or a related technical field.
• Master’s degree is preferred.
• Hands-on experience with experimental quantum hardware, microwave/RF measurements, or cryogenic systems.
• Proficiency with laboratory instrumentation, data acquisition, and data analysis;
• Ability to troubleshoot complex experimental systems and communicate results effectively.

Preferred:

• Experience characterizing superconducting qubits and/or microwave devices.
• Experience with spectroscopy, T1/T2 coherence measurements, resonator measurements, and qubit performance analysis.
• Basic proficiency with AI/ML tools for data analysis, experiment automation, troubleshooting, and engineering workflows.
• Familiarity with Python-based AI/ML libraries or generative AI assistants.

Benefits and Compensation:

• Projected salary range: $85,000 to $160,000 per year.
• Healthcare benefits including medical, prescription drug, dental, vision, and mental health and well-being coverage.
• Financial programs including 401(k), cash balance pension plan, employee stock purchase plan, financial counseling, life insurance, and short- and long-term disability coverage.
• Performance-based salary incentive opportunities may be available.
• 12 paid holidays.
• Minimum 56 hours of sick time.
• 120 hours of vacation.
• 12 weeks of parental bonding leave, subject to IBM policy;
• Paid family and care leave programs where applicable.
• Training and educational resources through IBM’s AI-driven learning platform.
• Industry-recognized certification opportunities.
• Employee resource groups, volunteer opportunities, and discounts on products and services.

Other Information:

• No travel required.
• IBM will not provide visa sponsorship now or in the future. Candidates must be able to work without current or future visa sponsorship.
• The position is expected to remain posted for 21 days from the posting date or until the role is filled;
• Employment is subject to applicable IBM policies and legal requirements.
• IBM is an equal-opportunity employer.