Quantum Engineer (Testing)

Title: Quantum Engineer (Testing)

Location: White Plains, NY area (onsite)

Duration: Full time

You will play a crucial role in developing, testing, and optimizing qubit technologies for quantum processors. This involves driving one or more projects directly aligned with the company’s mission, such as:

• Developing SFQ-controlled (Single Flux Quantum) gates and readout techniques.
• Calibrating multi-qubit processors for improved performance and scalability.

Your responsibilities span multiple stages of the development pipeline, including:

• Test Infrastructure Setup: Building and refining systems for qubit testing.
• Data Analysis and Characterization: Extracting and interpreting device parameters to evaluate performance.
• Collaboration with Cross-Functional Teams: Providing feedback to design and fabrication teams, coordinating with software developers, and brainstorming solutions with colleagues.
• Hardware and Protocol Development: Leading upgrades to cryogenic and room-temperature hardware while refining measurement protocols.

Required Experience:

1. Quantum Physics Expertise:

• Deep understanding of single-qubit and two-qubit physics.
• Hands-on experience in characterizing qubits at the single-qubit level, regardless of the hardware platform.

1. Experimental and Analytical Skills:

• Meticulous attention to detail in experimental setups and measurements.
• Strong ability to hypothesize and verify outcomes through rigorous testing.

1. Cryogenic Systems Knowledge:

• Experience working with cryogenic systems, critical for qubit operations at extremely low temperatures.

1. Programming and Optimization:

• Advanced skills in Python programming for data analysis and automation.
• Familiarity with or eagerness to adopt optimization and calibration techniques.

1. Communication and Team Collaboration:

• Ability to effectively present results to teams in a structured and clear manner.

1. Education:

• Ph.D. in experimental/applied physics, electrical engineering, or a closely related discipline preferred.

Preferred Additional Experience:

1. Superconducting Circuits:

• Hands-on experience or theoretical understanding of superconducting circuits, a common hardware platform for quantum computing.

1. Digital Circuit Technology & Microwave Engineering:

• Formal training in these areas to enhance the design and testing process.

1. Software Development Skills:

• Experience with software version control systems (e.g., Git) for managing codebases.

1. Multi-Qubit Systems:

• Familiarity with the challenges and complexities of operating two or more qubit systems.
• Knowledge of advanced quantum characterization techniques:
• Randomized Benchmarking: Assessing gate fidelity.
• Quantum Process Tomography: Understanding the quantum operations.
• Cross-Entropy Benchmarking: Evaluating quantum system performance.