Post-Quantum Crypto Architect — Quantum-Ready Security

Citi Group; Jacksonville (FL); On-site; USD 150,000 - 210,000; Full time

Job summary

Citi in Jacksonville is seeking a Cybersecurity Architect, PQC, reporting to the Senior Cryptography Expert, to advance Citi’s Quantum Readiness Program and its Post-Quantum cryptography initiatives across diverse applications and geographies.

The role requires deep cryptography expertise, ability to influence senior stakeholders, and hands-on guidance to secure cryptographic implementations, migration plans, and governance for PQC adoption.

Qualifications

• Expertise in traditional and post-quantum cryptography algorithms and practices.
• Ability to communicate with senior stakeholders and external groups.
• Experience guiding cryptographic strategy across multiple teams and geographies.

Responsibilities

• Operate as a Subject Matter Expert on Traditional and Post-Quantum Cryptography algorithms, practices, and use cases.
• Support Citi's Quantum Readiness Program to protect data from quantum threats.
• Co-own the PQC readiness view of the cryptographic inventory and reconcile outputs with discovery tools.
• Provide support and effective challenge to business and technology on secure cryptography.
• Demonstrate deep understanding of practical cryptography and migration to post-quantum use cases.
• Deliver presentations on emerging cryptography trends for leadership.
• Develop and communicate a risk-based governance roadmap for Citi's Quantum Readiness Program.
• Provide technical expertise in symmetric and asymmetric encryption, digital signatures, hashing, distributed ledger technology, and key/certificate management.
• Identify tools for cryptography, key, and certificate governance; lead PoCs and oversee implementations.
• Translate system and business requirements into implementation requirements embedding PQC into roadmaps.

Skills

Post-Quantum Cryptography

Cryptography

Security architecture

Job description

Citi in Jacksonville is seeking a Cybersecurity Architect, PQC, reporting to the Senior Cryptography Expert, to advance Citi’s Quantum Readiness Program and its Post-Quantum cryptography initiatives across diverse applications and geographies.

The role requires deep cryptography expertise, ability to influence senior stakeholders, and hands-on guidance to secure cryptographic implementations, migration plans, and governance for PQC adoption.