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Manager – Principal Security Architect: Secure Design; IC

Job in London, Greater London, W1B, England, UK
Listing for: LSEG
Full Time position
Listed on 2026-02-11
Job specializations:
  • IT/Tech
    Cybersecurity, Systems Engineer, Security Manager
Job Description & How to Apply Below
Position: Manager – Principal Security Architect: Secure Design (IC)
Manager – Principal Security Architect:
Secure Design (IC)

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Secure Design (IC)
role at LSEG

Manager – Principal Security Architect:
Secure Design (IC)

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Join to apply for the Manager – Principal Security Architect:
Secure Design (IC)
role at LSEG

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Security Architecture - Secure Design Team

Role: Manager - Principal Security Architect:
Secure Design (Individual Contributor)

Grade: GG14

The Security Architecture Design team is responsible for developing Security Architecture patterns, developing security controls needed for new technology, promoting the use of the architectural patterns into development projects, leading the Security Architecture Design Forum, Evaluating architectural security risks in existing systems, consulting with system development teams and architects on building security into their design.

This key task of this role is accelerating the delivery of secure design artefacts and leading secure design interventions - by adding capacity and capability to the team.

Reports to: Senior Manager - Secure Design

Key Relationships

  • Business Aligned Principal Security Architects
  • Cyber Security Engineering
  • Cyber Security Testing and Vulnerability Management
  • Cloud Security
  • Identity Management
  • Security Architecture Design Forum (member)
  • Project teams
  • BISOs


Key Responsibilities

  • Develop Security Architecture Design Patterns and Standards to comply with group security requirements, industry standards, customer requirements, regulatory requirements and good practices.
  • Assist the development of and champion a Security Architecture control framework.
  • Research, design and document the security posture requirements and controls of new technology introduced into the Group. Engage with technology acquisition processes to ensure all new technology introduced is evaluated.
  • Research industry trends and regulatory requirements.
  • Lead the Security Architecture evaluation of risks identified in systems, including reviewing, and proposing tactical and strategic remediation plans, and evaluation of the cost / risk benefits of remediations.
  • Actively contribute to the adoption of secure by design practices, with technical delivery teams for both existing systems and new systems, e.g. use of internal or external guidance, leading Threat Modelling activity.
  • Nurture the use of secure technical practices to deliver technical excellence.
  • Support experimentation and innovation in solving problems
  • Supervise third parties in their deliveries related to the domain area
  • Provide company representation, internally and externally, related to information security, as needed.
  • Contributes to the development of metrics and their monitoring to report the effectiveness and efficiency of the Security Architecture function.
  • Contributes to the content and management of the Security Architecture intranet presence.
Team Responsibilities

  • Guiding and mentoring other team members as required
  • Deputising for Senior Manager - Secure Design when required
Critical Deliverables

  • Developing and prioritising the security design pattern library
  • Developing and delivering the security design patterns - individually or in conjunction with other teams, as necessary
  • Working with the neighbouring security teams and delivery projects to address emerging areas of secure design guidance and interventions
  • Developing security architecture interventions in business specific process for acquiring and developing new technology
  • Contributing to the development and reporting of metrics for the Secure Design team, within the broader Security Architecture function
Impact

This is a group-wide role which is key to effective and efficient management of security risks associated with business technology systems.

The success of the post holder will be in balancing the major aspects of the role:
  • the ability to work effectively and pragmatically with project teams, to drive secure by design outcomes, while enabling projects to deliver.
  • develop or refresh security architectural collateral - based on the planned and emerging needs of the business
  • during…
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