Role Description:

We are looking for a hands-on Senior Architect to join our Enterprise Architecture practice supporting our specialty insurance and reinsurance businesses. You will operate simultaneously at the strategic and technical levels comfortable presenting architecture roadmaps to business leadership one day and writing code templates the next. You will be responsible for the enterprise architecture practice's tooling and governance model in LeanIX, provide technical depth across the Microsoft and Java stacks that underpin our policy administration, underwriting, claims, and reinsurance systems, and mentor a team of junior architects.

Deep familiarity with the specialty/reinsurance technology landscape, including London Market and Lloyd's syndicate operations where applicable, is a strong advantage given the complexity and bespoke nature of our business systems. You will be expected to configure and extend LeanIX itself, build integrations, and stay close enough to the code to credibly advise engineering teams on modernizing legacy systems.

You will have demonstrated solid expertise in C#, Python, and Java, coupled with handson LeanIX integration experience. The ideal candidate must have a deep understanding of LeanIX features, configuration, and metamodel design, as well as a solid grounding in TOGAF and Enterprise Architecture governance practices.

This role serves as a technical anchor for Enterprise Architecture initiatives, enabling architecture-driven insights, governance, and technology lifecycle management.

Key Accountabilities & Responsibilities:

Enterprise Architecture

- Define and maintain capability maps and technology roadmaps for the value chain: underwriting, policy administration, claims, reinsurance/retrocession, delegated authority, bordereaux processing, and finance/actuarial systems
- Guide application rationalization, TIME/APM assessments and technology risk (obsolescence) analysis across a typically complex, M&A-driven; insurance systems landscape
- Facilitate architecture review boards and provide governance over solution designs, ensuring alignment to enterprise standards, TOGAF principles, and insurance regulatory/compliance requirements (e.g., Solvency II, Lloyd's Blueprint Two / Core Data Record requirements, SOX, data privacy regimes)
- Advise on architecture implications of market messaging standards and platforms relevant to (re)insurance, such as ACORD standards, Lloyd's/LIMOSS market services, and London Market bureau systems
- Support EA governance initiatives such as application portfolio governance, lifecycle management, technology risk assessment, and architecture review processes.
- Collaborate crossfunctionally with product teams, solution architects, and governance boards.




- Support EA governance initiatives such as application portfolio governance, lifecycle management, technology risk assessment, and architecture review processes.
- Collaborate crossfunctionally with product teams, solution architects, and governance boards.

LeanIX Ownership

- Act as the internal subject-matter expert and lead engineer for LeanIX, including meta model configuration, custom fields, workspaces, and reporting tailored to the application portfolio (e.g., mapping policy admin systems, rating engines, claims systems, and reinsurance platforms as fact sheets)
- Design, build, and maintain integrations between LeanIX and source-of-truth systems (CMDB, ITSM, HR, cloud inventory, CI/CD pipelines, vendor/broker platform registries) using the LeanIX API, Pathfinder, and/or iPaaS tooling
- Drive data quality, factsheet completeness, and survey campaigns across business and IT stakeholders
- Advise stakeholders on how to use LeanIX outputs (landscape diagrams, roadmaps, risk reports) to inform legacy platform decommissioning

Hands-On Technical Depth

- Provide architectural guidance and code-level review across both the Microsoft stack (C#, .NET / .NET Core, ASP.NET, Azure) and Java ecosystem (Java, Spring Boot, and legacy Java EE/Spring frameworks)
- Prototype integrations, proofs of concept, and reference implementations personally when needed including integrations with core insurance platforms, rating engines, broker/MGA portals, and reinsurance placement or bordereaux systems
- Design, develop, and maintain LeanIX integrations using APIs, automation scripts, custom connectors,
- Configure and enhance LeanIX metamodels, fact sheets, lifecycles, relations, tags, workflows, and dashboards.
- Develop reusable tools and scripts using C#, Python, and Java for ingestion, transformation, and synchronization of EA data to and from LeanIX and other systems.
- Partner with security, infrastructure, and data architects to ensure solutions meet non-functional requirements (scalability, resilience, auditability) appropriate to regulated data

Leadership & Mentorship

- Lead, coach, and develop a team of junior and mid-level solutions architects, including structured mentorship, design reviews, and career development
- Set technical direction and quality bar for architecture deliverables produced by the team
- Act as an escalation point for complex or contested architecture decisions,



including those involving legacy insurance systems with limited institutional knowledge

Key Competencies & Skills required

Technical Skills:

- LeanIX integrations. Deep, demonstrable expertise with LeanIX, including data model/meta-model configuration and building custom integrations (API-based or otherwise)
- Strong hands-on proficiency in the Microsoft stack: C#, .NET / .NET Core, ASP.NET with demonstrated expertise in Python, and Java
- Solid working knowledge of Java, including legacy enterprise frameworks (Spring Boot, Spring MVC, Java EE), sufficient to review, advise on, and modernize existing codebases
- Understanding of EA frameworks like TOGAF, Zachman
- Aure Devops, Design Patterns, UML
- Strong stakeholder management skills, able to translate between technical detail and business/actuarial/underwriting audiences
- Experience with cloud platforms (Azure preferred, given the .NET focus; AWS/GCP a plus)

Nice to have:

- Familiarity with core insurance platforms (e.g., Guidewire, Sapiens, Duck Creek, Insurity, Xuber, or custom-built policy admin/claims systems)
- Knowledge of ACORD data standards, Lloyd's Core Data Record / Blueprint Two requirements, or bordereaux processing tools
- Experience with additional EA/APM tooling (Ardoq, Mega, Avolution ABACUS, ArchiMate etc.) for comparative context
- Familiarity with API management or integration platforms (MuleSoft, Azure Integration Services, Boomi) commonly used to connect insurance ecosystems
- Additional certifications: Microsoft Certified: Azure Solutions Architect Expert, AWS Solutions Architect, or Java/Spring certifications
- Prior experience supporting M&A; technology due diligence or post-acquisition systems integration within (re)insurance
- Understanding of actuarial/finance system integration points (e.g., reserving, reporting to Lloyd's or regulators)
- Experience with cloud platforms (Azure preferred, given the .NET focus; AWS/GCP a plus)

Behavioral Skills:
- Ideally the candidate has worked in a multi-location, multi-cultural team across geographies
- Good interpersonal, communication and organizational skills
- Willingness to learn and quickly adapt to changing requirements.
- Proactive approach to identifying issues and presenting solutions and options
- Ability to direct and guide teams as relevant

Previous Experience & Qualifications

Minimum Educational Qualification:

- Bachelors / Master’s degree in Computer Science / Engineering / Information Technology required

Certifications (if any):

- TOGAF (required)
- LeanIX (highly preferred)
- ArchiMate (preferred)

Years of Experience & Knowledge:

- Candidate must have overall 15+ years of relevant experience as Technical Lead / Technical Architect / Solution Architect, preferably in the financial services industry

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