PQC Security Architect & Migration Lead

LSEG is seeking a senior security architect to lead the PQC programme, translating NCSC expectations into actionable migration plans. You will map dependencies across applications, infrastructure, cloud and networks, and guide engineering teams to deliver with managed risk.

Likely background in large-scale security transformations, with strong stakeholder communication and cross-team influence. This role is based in London and offers advanced cybersecurity responsibilities within a global