Senior Cryptography Engineer

ionq·Genevasenior

In short

→Ingeniero de criptografía sénior especializado en aceleración hardware de algoritmos post-cuánticos.
→Desarrollas implementaciones optimizadas y pruebas para criptografía cuántica segura en HSM y dispositivos de red.
→Trabajas en productos reales ya operativos en redes cuánticas seguras globales, incluyendo en espacio.

Experiencia en desarrollo en inglés es necesaria.

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The questions they'll ask you

1. ¿Cómo validas la correctitud de una implementación PQC en C++ de un esquema de NIST como Dilithium?

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💵 USD · Remote · No visa

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What they ask for

✓Experiencia demostrable en implementación de algoritmos post-cuánticos (PQC).
✓Conocimiento profundo de criptografía aplicada y seguridad de sistemas.
✓Habilidad para escribir código de alto rendimiento en C/C++.
✓Experiencia con pruebas de correctitud y validación criptográfica.
✓Conocimiento de estándares PQC (NIST PQC o similares).
✓Trabajo en equipo en entornos de desarrollo críticos de seguridad.

Don't tick every box? That's normal — your free dossier shows your gaps and how to cover them in the interview.

CC++NIST PQCPost-Quantum CryptographyHSMNetwork AppliancesReference ImplementationsOptimized ImplementationsTest InfrastructureQuantum-Safe Communications

Who should you write to at ionq?

Your free dossier identifies the people who'd interview you — their background, what they value, and how to reach out so you stand out before applying.

About IonQ: IonQ, Inc . [NYSE: IONQ] is the world’s leading quantum platform and merchant supplier - delivering integrated quantum solutions across computing, networking, sensing, and security. IonQ’s newest generation of quantum computers, the IonQ Tempo, is the latest in a line of cutting-edge systems that have been helping customers and partners including Amazon Web Services, and AstraZeneca achieve 20x performance results and accelerate innovation in drug discovery, materials science, financial modeling, logistics, cybersecurity, and defense. In 2025, the company achieved 99.99% two-qubit gate fidelity, setting a world record in quantum computing performance . Headquartered in College Park, Maryland, IonQ has operations in California, Colorado, Massachusetts, Tennessee, Washington, Italy, South Korea, Sweden, Switzerland, Canada, and the United Kingdom. Our quantum computing services are available through all major cloud providers, while we also meet the needs of networking and sensing customers across land, sea, air, and space. IonQ is making quantum platforms more accessible and impactful than ever before. Location: This role is based onsite in Geneva, Switzerland. Travel: Job ID: 1893 ID Quantique (IDQ), part of IonQ, is a global leader in quantum-safe communications. We provide solutions to protect governments, telecommunication infrastructures, and banking & financial institutions from the “harvest-now, decrypt-later” threat, delivering both terrestrial and space-based quantum-safe networks in live operation globally. The Role: We are looking for a Staff Cryptography Engineer to join our team building post-quantum cryptography (PQC) hardware acceleration for HSM and network-appliance products. You will implement the software side of modern post-quantum algorithms: reference models, optimised implementations, and the test infrastructure that proves they are correct. This is a hands-on development role at the heart of applied cryptography, working with some of the most experienced cryptographic engineers in the field. Responsibilities : You will implement and

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