PQC Cryptography Engineer

PQC & Cryptography Engineer Location: 100% Remote (UK-based, with occasional fully expenses-paid office visits) Role Type: Contract Client: Leading UK High Street Bank The Role Quantum computing is rapidly changing the cybersecurity landscape, and we need an experienced Cryptography Engineer to help future-proof our enterprise infrastructure. You'll be working directly on our Post-Quantum Readiness & Crypto-Agility journey -mapping business impacts, running risk assessments, and delivering hands-on Proofs of Concept (PoCs) to move critical banking systems to a quantum-safe state. What You'll Be Doing Build Migration Strategies: Map business impacts and design migration roadmaps to transition away from legacy algorithms. Assess Quantum Risk: Perform Q-Day risk assessments across internal systems and customer-facing channels. Deliver Hands-On PoCs: Create proofs-of-concept demonstrating practical, quantum-safe migrations. Prioritize Remediation: Establish a framework to sequence fixes for our most critical assets. Cryptographic Inventory: Work across IT and business units to build an up-to-date data inventory. What We're Looking For Core Cryptography: Deep grasp of symmetric/asymmetric algorithms, PKI, and key management. Quantum Threat Awareness: Solid understanding of quantum threat models like Shor's and Grover's algorithms . Crypto-Agility & Standards: Practical experience designing crypto-agile systems aligned with NIST, FIPS, or ISO 27001 standards. Tooling & Scripting: Proficiency in Python (preferred), Bash , or PowerShell . Nice to Have: Exposure to PQC algorithms (e.g., CRYSTALS-Kyber, Dilithium ), hands-on experience with HSMs or platforms like Venafi/OpenSSL , and a background in financial services. Interested? Please apply ASAP or drop a message or send your CV to to get ahead of the submission deadline! Randstad Technologies is acting as an Employment Business in relation to this vacancy.