Senior Portfolio Architect

Description & Requirements

Department: Information Technology

Team: LII Core Functions - Architecture

Location: London

Type: Permanent

About the Role

The Senior Portfolio Architect role is a key leadership role within the LII & LM Re Architecture function, providing strategic technology and architectural direction across a complex portfolio of business and technology capabilities.

The role will work closely with the Director of Enterprise Architecture, CIO leadership, Heads of Portfolio, senior business stakeholders, Product Owners, Engineering Leads and global architecture teams to shape the future-state architecture across LII and LM Re. The role is expected to operate beyond individual initiatives, connecting business strategy, portfolio priorities, architecture roadmaps and delivery execution into a coherent technology direction.

This role will be accountable for driving architecture outcomes across multiple domains, ensuring that solutions are strategically aligned, reusable, secure, scalable and consistent with enterprise architecture principles, GRS standards and the target-state vision for LII and LM Re.

The Senior Portfolio Architect will also play a key role in improving architecture maturity across the organisation, helping to establish reusable patterns, strengthen design governance, influence investment decisions and support the development of the wider architecture community.

About the Department & Team

The CIO Function reports into the Chief Information Officer and is responsible for the delivery of key technology services to the LII and LM Re business, ranging from technology strategy and architecture through to delivery enablement and operational resilience.

The LII & LM Re Architecture team provides the architecture leadership, design direction and governance required to support business outcomes across underwriting, distribution, claims, reinsurance, risk, data and corporate functions.

The team works closely with GRS Architecture, Enterprise Architecture, Product, Engineering, Data, Security and Business Agility teams to ensure that technology decisions are aligned to business strategy, enterprise standards and long-term value creation.

Skills and Experience

• Significant experience producing and owning end-to-end architectures across complex, cross-portfolio initiatives, spanning software, data, integration, infrastructure and cloud components.


• Proven ability to shape portfolio-level technology strategy and architecture roadmaps, not just individual solution designs.


• Strong experience driving key architecture decisions, aligning senior stakeholders, and influencing across business, technology and delivery teams.


• Ability to connect business outcomes, portfolio priorities and transformation objectives into clear, pragmatic technology direction.


• Strong understanding of enterprise architecture principles, solution architecture, integration architecture, data architecture and cloud architecture.


• Experience working with global architects, technical leads and engineering teams to ensure detailed designs align to the target-state architecture.


• Experience leading architecture governance, including ARB submissions, design reviews, architecture decision records and assurance forums.


• Strong knowledge of API-led integration, reusable architecture patterns, cloud-native design, resilience, security and operational readiness.


• Ability to identify and manage architectural risk, technical debt, duplication, dependencies and design trade-offs across a portfolio.


• Experience modelling current and future-state architectures using architecture tooling such as LeanIX or equivalent.


• Proven ability to work effectively in agile delivery environments with Product Owners, Product Analysts, Business Analysts, Developers and Engineering Leads.


• Highly developed communication, negotiation, facilitation, consensus-building and influencing skills.


• Ability to operate with ambiguity, provide clear direction, and make balanced architecture recommendations where requirements or delivery plans are still evolving.


• Cloud certification or equivalent practical experience in AWS or Azure.


• Experience working in insurance or financial services, ideally across underwriting, distribution, claims, reinsurance, exposure management or risk.


• Experience working with London Market insurance, specialty insurance or reinsurance operating models.


• Experience shaping architecture across underwriting modernisation, broker connectivity, digital distribution, delegated authority, claims or portfolio solutions.


• Experience with platforms such as Salesforce, Genius, Guidewire, HX Renew, Snowflake, Redshift, Databricks, AWS services or equivalent insurance technology platforms.


• Experience working with emerging technologies such as AI, automation, machine learning platforms or AI-enabled software delivery.


• Experience mentoring Portfolio Architects, Solution Architects, Technical Leads or engineering teams.


• Experience contributing to architecture standards, reference architectures, engineering practices or architecture playbooks.

About Liberty Specialty Markets (LSM)

Liberty Specialty Markets is part of Global Risk Solutions and the broader Liberty Mutual Insurance Group, which is a leading global insurer. We offer a breadth of world-class insurance and reinsurance services to brokers and insureds in all major markets.

Our people are key to our success. That is why "Put People First" is one of the five Liberty values which unite us as a global organisation. We bring this to life for our colleagues through:

• Offering a vibrant and inclusive environment and committing to their career development.


• Promoting diversity, equity and inclusion (DEI). Our Inclusion Matters framework and employee-led networks strengthen the diversity of our workforce and our inclusive environment.


• Reinforcing that collaborating together to share our unique perspectives help us make better decisions, deliver innovative solutions and pursue our ambitious goals.


• A supportive culture, which includes promoting a healthy work-life balance and working flexibly.