Principal Wallet Security Engineer – Digital Assets

Barclays•Jefferson, CO

About The Position

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 is responsible for securing the wallet infrastructure, signing services, key management capabilities, and transaction authorization controls that support 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.

Requirements

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
Comfortable leading threat modeling, attack-path analysis, residual risk assessments, and security architecture reviews across complex multi-supplier technology stacks and third-party digital asset infrastructure
Apply 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 Haves

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

Responsibilities

Development, evolution and implementation of the banks technology architecture and strategies aligned to the business and technology objectives, unlocking execution and run.
Collaboration with stakeholders, including Enterprise Architecture teams and other developers to provide subject matter expertise and share knowledge to foster continuous improvement, and clients to understand and deliver on their technical needs.
Motivation and leadership of a diverse collection of technologists, business and operations teams and enterprise leaders, with goal to align business & technology strategy & standards, identifying opportunities and connecting people.
Assessment of new technologies to address current and future business needs, through a combination of curiosity and problem-solving skills.
Determination of the optimal solutions while balancing continuous requirements imposed by compliance, governance, security and funding, through deep understanding of the business and customer outcomes and maintaining a strong and steady grasp on the underlying technologies.
Monitoring and analysis of the performance, resiliency and stability of applications to identify and resolve issues and communicate and document key findings to stakeholders.
Compliance with applicable regulatory standards and identification of industry developments that may impact the banks operations and controls to enhance the banks application portfolio.
Support of engineering and architecture community initiatives to mentor team members, streamline operations, share and grow knowledge.
Manage a business function, providing significant input to function wide strategic initiatives. Contribute to and influence policy and procedures for the function and plan, manage and consult on multiple complex and critical strategic projects, which may be business wide.
Manage the direction of a large team or sub-function, leading other people managers and embedding a performance culture aligned to the values of the business. Or for an individual contributor, they lead organisation wide projects and act as deep technical expert and thought leader, identifying new ways of working and collaborating cross functionally. They will train, guide and coach less experienced specialists and provide information affecting long term profits, organisational risks and strategic decisions.
Provide expert advice to senior functional management and committees to influence decisions made outside of own function, offering significant input to function wide strategic initiatives.
Manage, coordinate and enable resourcing, budgeting and policy creation for a significant sub-function.
Escalates breaches of policies / procedure appropriately.
Foster and guide compliance, ensure regulations are observed that relevant processes in place to facilitate adherence.
Focus on the external environment, regulators, or advocacy groups to both monitor and influence on behalf of Barclays, when appropriate.
Demonstrate extensive knowledge of how the function integrates with the business division / Group to achieve the overall business objectives.
Maintain broad and comprehensive knowledge of industry theories and practices within own discipline alongside up-to-date relevant sector / functional knowledge, and insight into external market developments / initiatives.
Use interpretative thinking and advanced analytical skills to solve problems and design solutions in often complex/ sensitive situations.
Exercise management authority to make significant decisions and certain strategic decisions or recommendations within own area.
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/ businesses divisions.
Mandated as a spokesperson for the function and business division.
All Senior Leaders are expected to demonstrate a clear set of leadership behaviours to create an environment for colleagues to thrive and deliver to a consistently excellent standard. The four LEAD behaviours are: L – Listen and be authentic, E – Energise and inspire, A – Align across the enterprise, D – Develop others.
All colleagues will be expected to demonstrate the Barclays Values of Respect, Integrity, Service, Excellence and Stewardship – our moral compass, helping us do what we believe is right. They will also be expected to demonstrate the Barclays Mindset – to Empower, Challenge and Drive – the operating manual for how we behave.
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.
Responsible for securing the wallet infrastructure, signing services, key management capabilities, and transaction authorization controls that support tokenized deposits, stablecoins, digital cash, tokenized securities, and future digital asset products.
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.