PQC Cryptography Engineer

Salary: £40,000 - 67,500 per year

Requirements

• Deep understanding of symmetric and asymmetric cryptography, PKI, and key management.
• Solid awareness of quantum threat models, including Shors and Grovers algorithms.
• Practical experience designing crypto-agile systems aligned with NIST, FIPS, or ISO 27001 standards.
• Proficiency in Python, Bash, or PowerShell.
• Exposure to post-quantum cryptography algorithms such as CRYSTALS-Kyber and Dilithium is desirable.
• Hands-on experience with HSMs or tools such as Venafi and OpenSSL is desirable.
• Background in financial services is desirable.

Responsibilities

• Build migration strategies by mapping business impacts and designing roadmaps to transition away from legacy algorithms.
• Perform quantum risk assessments across internal systems and customer-facing channels.
• Deliver hands-on proofs of concept demonstrating practical quantum-safe migrations.
• Establish a framework to prioritise remediation and sequence fixes for critical assets.
• Work across IT and business units to build and maintain an up-to-date cryptographic inventory.

Technologies

• Bash
• Cryptography
• PowerShell
• Python

More

We are a leading UK high street bank seeking a PQC & Cryptography Engineer for a 100% remote contract role based in the UK, with occasional fully expenses-paid office visits. You will join our Post-Quantum Readiness and Crypto-Agility journey to help future-proof our enterprise infrastructure and move critical banking systems to a quantum-safe state. This is a hands-on role focused on quantum-safe migration, risk assessment, and practical proof-of-concept delivery in a fast-moving cybersecurity environment.

last updated 34 week of 2026