Quantum Cryptography & Security Engineer

Jobgether; United States; On-site; USD 180,000 - 240,000; Full time

Job summary

Jobgether, on behalf of a partner company, seeks a Quantum Computing/Cryptography Engineer based in the United States to advance quantum-resistant security in enterprise environments.

You will research PQC algorithms, design migration plans from traditional cryptography, implement cryptographic components, and contribute to crypto-agile architectures across PKI, identity, cloud, and network systems, working with architects, engineers, and stakeholders.

Qualifications

• 10+ years IT experience with 5+ years in quantum computing and cryptography.
• Strong knowledge of quantum mechanics, algorithms (Shor, Grover), and information theory.
• Proficiency in Python, C++, and Java for cryptographic implementations.
• Experience with PQC standards and migration planning.
• Ability to communicate complex risks to non-technical leadership.

Responsibilities

• Research, design, and evaluate quantum-resistant cryptographic solutions.
• Assess enterprise systems to identify quantum-related risks.
• Develop migration strategies toward post-quantum standards.
• Prototype, test, and integrate cryptographic components into enterprise apps.
• Produce documentation, architecture guidance, and roadmaps.

Skills

Quantum cryptography

Qiskit / Cirq / Quipper / Microsoft Q#

Python / C++ / Java

PKI / cryptography standards

NIST PQC standards

Security architecture

Cross-functional collaboration

Threat modeling / risk assessment

Quantum-resistant migration strategies

Education

Bachelor's degree in CS / Cybersecurity / Information Security

Master's degree may substitute for up to 2 years of experience

Tools

Qiskit

Cirq

Quipper

Microsoft Quantum Development Kit

Job description

Jobgether, on behalf of a partner company, seeks a Quantum Computing/Cryptography Engineer based in the United States to advance quantum-resistant security in enterprise environments.

You will research PQC algorithms, design migration plans from traditional cryptography, implement cryptographic components, and contribute to crypto-agile architectures across PKI, identity, cloud, and network systems, working with architects, engineers, and stakeholders.