1 day ago
Geneva, SwitzerlandSenior
Responsibilities
- Implement and maintain reference, bit-accurate, and optimized software models for ML-KEM, ML-DSA, SLH-DSA, and LMS.
- Develop constant-time cryptographic functions in C, C++, Rust, and Python.
- Build known-answer-test and test-vector infrastructure using NIST ACVP for verification and CAVP certification.
- Contribute to hardware-friendly algorithm decomposition involving Keccak, NTT, polynomial arithmetic, samplers, and encode/decode operations.
- Support RTL and firmware engineers with algorithm expertise, debugging, and certification-oriented tooling.
- Evaluate third-party cryptographic libraries.
Requirements
- Master's degree in Cryptography, Mathematics, Computer Science, or a related field; a PhD is a plus.
- At least five years of experience implementing cryptographic algorithms or security-critical software in C, C++, or Rust.
- Strong hands-on development skills in cryptographic or security-critical software.
- Solid understanding of modern cryptographic primitives and constant-time implementation practices.
- Ideally, exposure to post-quantum schemes, including lattice-based or hash-based cryptography, and their underlying mathematics.
- Familiarity with NIST test-vector formats, CAVP/ACVP, or certification-oriented development is preferred.
- Fluency in English is required; French or German is an advantage.
Benefits
- Onsite role based in Geneva, Switzerland.
- Flexible work models, ongoing training and development, and a career development plan.
- Benefits include medical, dental, and vision plans, matching 401(k), unlimited PTO, paid holidays, parental/adoption leave, legal insurance, and a home technology stipend.
- Competitive compensation, benefits package, and equity plan are offered, with details provided during the offer process.
- Global, collaborative work environment with experienced quantum and cryptography professionals.
About IonQ
IonQ builds trapped-ion quantum computers and offers access to them via major cloud platforms and direct systems for enterprise and research users. The public company (NYSE: IONQ), founded in 2015 and headquartered in College Park, Maryland, sells quantum hardware, cloud services, and development tools used in areas like materials modeling, optimization, and machine learning. Its systems are available through AWS Braket, Microsoft Azure Quantum, and Google Cloud Marketplace.