Principal Wallet Security Engineer – Digital Assets

Join Barclays at the ground floor of a 0-to-1 build as a Principal Wallet Security Engineer - Digital Assets. You will define and deliver the security architecture for Barclays' wallet platform, establishing the cryptographic trust foundation that enables clients to securely hold, control, transfer, and settle digital assets across both permissioned financial networks and open blockchain ecosystems. This role secures wallet infrastructure, signing services, key management capabilities, and transaction authorization controls supporting tokenized deposits, stablecoins, digital cash, tokenized securities, and future digital asset products. Working across engineering, cyber security, infrastructure, risk, and architecture teams, you will help build a secure, resilient, and regulated institutional-grade wallet platform that serves as the gateway between Barclays' core banking ecosystem and emerging digital asset networks.

What you'll do

• Develop, evolve, and implement the bank's technology architecture and strategies aligned to business and technology objectives, unlocking execution and run for the wallet platform
• Collaborate with Enterprise Architecture teams, developers, and clients to provide subject matter expertise, share knowledge, and understand and deliver on technical needs
• Lead and motivate diverse technologists, business, operations teams, and enterprise leaders to align business and technology strategy, identify opportunities, and connect people
• Assess new technologies to address current and future business needs through curiosity and problem-solving
• Determine optimal solutions while balancing compliance, governance, security, and funding requirements through deep understanding of business outcomes and underlying technologies
• Monitor and analyze the performance, resiliency, and stability of applications to identify and resolve issues, and communicate key findings to stakeholders
• Ensure compliance with applicable regulatory standards and identify industry developments that may impact the bank's operations and controls
• Support engineering and architecture community initiatives to mentor team members, streamline operations, and grow knowledge
• Manage a business function, provide significant input to function-wide strategic initiatives, and plan, manage, and consult on multiple complex and critical strategic projects
• Manage the direction of a large team or sub-function, lead other people managers, and embed a performance culture aligned to the bank's values, or as an individual contributor, lead organization-wide projects and act as a deep technical expert and thought leader
• Provide expert advice to senior functional management and committees to influence decisions outside of your function
• Manage, coordinate, and enable resourcing, budgeting, and policy creation for a significant sub-function
• Foster and guide compliance, ensure regulations are observed, and confirm relevant processes are in place to facilitate adherence
• Focus on the external environment, regulators, and advocacy groups to monitor and influence on behalf of Barclays
• Maintain broad and comprehensive knowledge of industry theories and practices within your discipline alongside up-to-date sector and functional knowledge
• Use interpretative thinking and advanced analytical skills to solve problems and design solutions in complex and sensitive situations
• Negotiate with and influence stakeholders at a senior level both internally and externally
• Act as principal contact point for key clients and counterparts in other functions and business divisions

What you bring

• Proven experience designing and securing institutional wallet platforms, including transaction authorization, policy controls, delegated approvals, and cryptographic signing workflows supporting digital asset custody and settlement
• Deep expertise with Hardware Security Modules (HSMs), Multi-Party Computation (MPC), enterprise key management, and secure signing architectures that protect private keys and signing events across multiple blockchain networks
• Hands-on experience implementing key lifecycle controls, secrets management, certificate and PKI services, network segmentation, privileged access management, and infrastructure hardening within highly regulated environments
• Ability to lead threat modeling, attack-path analysis, residual risk assessments, and security architecture reviews across complex multi-supplier technology stacks and third-party digital asset infrastructure
• Secure-by-design engineering practices throughout the platform lifecycle, including resilience engineering, security testing, vulnerability management, operational readiness, control automation, and continuous assurance

Nice to have

• Experience securing wallet infrastructure supporting tokenized deposits, stablecoins, tokenized securities, and other institutional digital asset use cases across open and permissioned networks
• Knowledge of blockchain transaction flows, wallet policy engines, custody operating models, transaction orchestration, digital asset settlement workflows, and cryptographic authorization controls
• Understanding of financial services regulatory expectations, operational resilience requirements, audit and assurance processes, and control-by-design technology delivery practices
• Experience with cloud and on-premises security architectures, Kubernetes, container security, Zero Trust principles, identity and access management, and secure connectivity patterns

What we offer

• Competitive medical, dental, and vision coverage
• 401(k) retirement plan
• Life insurance
• Paid leave for qualifying circumstances
• Eligibility for an incentive award

About Barclays

Barclays is a global financial services company building institutional-grade digital asset infrastructure and wallet platforms to serve clients across permissioned financial networks and open blockchain ecosystems.