Manager - Principal Security Architect: Secure Design (IC)

London Stock Exchange Group; City Of London; On-site; GBP 85,000 - 110,000; Full time

Job summary

A leading global financial markets firm is seeking a Principal Security Architect to oversee security design and architecture across technology projects. The role involves developing architecture patterns and standards, leading security evaluations, and ensuring compliance with regulatory requirements. Candidates should have over 7 years of experience in information security and strong skills in threat modeling and problem solving. A collaborative work environment focused on innovation and sustainability is offered.

Benefits

Healthcare

Retirement planning

Paid volunteering days

Wellbeing initiatives

Qualifications

• 7+ years in technical engineering or information security roles, security architecture preferred.
• Proven experience in designing and applying security controls into distributed systems.

Responsibilities

• Develop Security Architecture Design Patterns and Standards.
• Lead the Security Architecture evaluation of risks identified in systems.

Skills

Critical thinking

Problem solving

Threat modeling

Design pattern development

Documentation writing

Education

7+ years in technical engineering or information security

Experience in enterprise architecture frameworks

Tools

GitLab/Azure DevOps

YAML/Markdown/Terraform

Job description

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
• CyberSecurity Engineering
• CyberSecurity 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 project delivery, identifying gaps in security architecture collateral to be added to the security design pattern library.

Key Performance Indicators

• Delivery of design patterns (timeframe from development initiation to substantive Draft, through to general availability)
• Successful outcomes from security architectural interventions with delivery projects

Functional Knowledge and Experience

7+ years of increasing responsibility in technical engineering or information security roles, security architecture preferred.

• Experience of enterprise architecture frameworks and their application
• Experience in threat modelling / design pattern development
• Proven Experience in designing and applying security controls into distributed systems (on premises and cloud)
• Thorough understanding of the latest security principles, techniques and protocols
• Critical, independent thinking
• Problem solving skills, ability to work under pressure and self-start
• Deep understanding of both common and emerging vulnerabilities including their manifestation in different architectures (web applications, thick clients, APIs, networked infrastructure etc)
• Familiarity with industry standard guidance OWASP Top 10, SANS Top 25, NIST / CSC, CIS, NCSC etc.
• Applied understanding of topics such as authentication, access control, encryption, cloud security, operating system security, network security, database security.
• Experience of writing succinct, reader oriented, visually compelling documentation
• Familiarity with common Developer Tools (GitLab/Azure DevOps etc) and some experience with using YAML/Markdown/Terraform.

Business and Sector Expertise

• Preferred prior experience in the financial services and / or technology sector
• Preferred prior experience in a heavily regulated environment

Leadership and Management Experience

• Experience in supervising and supporting specialist individual contributors in technology domains; inspiring others to delivery of outcomes.
• Experience in working collaboratively with remote and offshore team members
• Must have a collaborative work style ensuring that stakeholders are engaged in decision making processes.
• Highly adaptable and able to approach challenges differently in order to achieve goals.

LSEG is a leading global financial markets infrastructure and data provider. Our purpose is driving financial stability, empowering economies and enabling customers to create sustainable growth.

Our purpose is the foundation on which our culture is built. Our values of Integrity, Partnership, Excellence and Change underpin our purpose and set the standard for everything we do, every day. They go to the heart of who we are and guide our decision making and everyday actions.

Working with us means that you will be part of a dynamic organisation of 25,000 people across 65 countries. However, we will value your individuality and enable you to bring your true self to work so you can help enrich our diverse workforce. You will be part of a collaborative and creative culture where we encourage new ideas and are committed to sustainability across our global business. You will experience the critical role we have in helping to re‑engineer the financial ecosystem to support and drive sustainable economic growth. Together, we are aiming to achieve this growth by accelerating the just transition to net zero, enabling growth of the green economy and creating inclusive economic opportunity.

LSEG offers a range of tailored benefits and support, including healthcare, retirement planning, paid volunteering days and wellbeing initiatives.

We are proud to be an equal opportunities employer. This means that we do not discriminate on the basis of anyone's race, religion, colour, national origin, gender, sexual orientation, gender identity, gender expression, age, marital status, veteran status, pregnancy or disability, or any other basis protected under applicable law. Conforming with applicable law, we can reasonably accommodate applicants' and employees' religious practices and beliefs, as well as mental health or physical disability needs.

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