IonQ

About IonQ

IonQ is at the forefront of the quantum computing revolution, dedicated to building the world's most powerful full-stack quantum computers. You'll work with their unique trapped-ion approach, which leverages individual atoms as qubits, offering unmatched physical performance and perfect qubit replication. This technology is designed to solve problems beyond classical systems, with potential applications across medicine, materials science, finance, AI, and cybersecurity. IonQ provides access to its quantum computers through cloud platforms like Amazon Web Services, Microsoft Azure, and Google Cloud, transitioning from a research-focused model to a full-stack commercial platform. The company achieved a world-record 99.99% two-qubit gate fidelity in October 2025, a critical step towards fault-tolerant quantum computing and a significant competitive advantage.

How We Work

At IonQ, employees embrace an owner's mentality, taking personal responsibility for outcomes and focusing on maximizing value while minimizing waste. You'll find a flexible work environment where nearly half of the employees work fully remotely across several countries. The company fosters open dialogue and creates a workplace that encourages interpersonal risk-taking, vulnerability, and learning from failures. Managers are accountable for promoting diverse perspectives in problem-solving and decision-making, ensuring team members feel welcome.

Engineering at IonQ

IonQ's core technological advantage lies in its trapped-ion architecture, which uses precisely controlled laser pulses to manipulate individual atoms as qubits. This approach leads to higher gate fidelity, reducing errors crucial for complex quantum algorithms. In contrast to some competitors using superconducting circuits, IonQ's trapped-ion systems achieve superior accuracy. The company is also pioneering the use of quantum-grade diamond thin films for industrial-scale manufacturing of diamond quantum devices, leveraging semiconductor techniques to simplify production. IonQ's quantum computers are designed to be software-configurable, allowing for tuning of hardware deployment to optimize for specific algorithms. They are actively integrating quantum networking technologies, including through acquisitions, to enable multi-core processing and communication applications for their machines.

Why Join Us

• Pioneer and break barriers in the nascent field of quantum computing, pushing beyond classical limits.
• Contribute to solving complex problems across diverse industries like medicine, finance, and AI, redefining their future.
• Work in a flexible, hybrid environment that supports autonomy and collaboration across a global team.
• Be part of a company with a proven track record of technological breakthroughs, including achieving world-record qubit fidelity.
• Benefit from a comprehensive compensation package including competitive salary, bonus, equity, and unlimited PTO.

Benefits & Perks

• 401(K) with up to 5% company match (vesting over five years)
• Comprehensive medical, dental, and vision plans
• Unlimited PTO and paid holidays
• Parental/adoption leave (100% paid for eligible employees)
• Home internet stipend
• Pet insurance
• Legal insurance (optional through MetLife)
• Employee assistance program for mental health and well-being
• Onsite office parking and relocation assistance (where applicable)
• Access to University of Maryland facilities (library, gym) for those based in the DC area