Senior Enterprise Architect – Financial Services

Luxembourg, Luxembourg, lu on site Until 9/21/2026 10+ years exp First posted July 23, 2026 Last posted July 23, 2026
Job description

Arηs Group, Part of Accenture, specializes in the management of complex public sector IT projects, including systems integration, informatics and analytics, solution implementation and program management. Our team helps lead clients through digital and information systems design, bringing expertise in a variety of areas ranging from software development, data science and security management to machine learning, cloud, and mobile development.

Arηs Group was acquired by Accenture in July 2024.

ARHS Group, part of Accenture, is looking for a Senior Enterprise Architect to join one of our client teams onsite in Luxembourg within the financial services sector.

In this strategic role, you will help define and drive enterprise architecture across large-scale transformation initiatives, ensuring alignment between business objectives and technology solutions. You will work closely with senior business and IT stakeholders, providing architectural guidance, supporting governance activities, and contributing to complex integration and transformation programs.

THE WORK:

  • Define and maintain enterprise architecture strategies, target architectures, and technology roadmaps.
  • Ensure alignment between business, application, data, integration, and technology architectures.
  • Contribute to architecture principles, standards, governance frameworks, and architectural best practices.
  • Perform impact assessments and support architecture alignment across strategic transformation initiatives.
  • Prepare and present architecture recommendations to governance boards and senior management.
  • Translate complex technical topics into clear business recommendations, highlighting options, trade-offs, and implementation strategies.
  • Support large-scale transformation, system integration, and post-merger integration initiatives.
  • Define target operating models, application rationalization strategies, and integration approaches.
  • Collaborate closely with business leaders, architects, delivery teams, and executive stakeholders.
  • Contribute to architecture knowledge sharing and support the evolution of the enterprise architecture practice.

Onsite at client site: This role requires an onsite presence with our clients and partners to support project delivery and strengthen collaboration.

Our roles require in-person time to encourage collaboration, learning, and relationship-building with clients, colleagues, and communities. As an employer, we will be as flexible as possible to support your specific work/life needs.

HERE'S WHAT YOU'LL NEED:

  • 10+ years of experience in Enterprise Architecture, preferably within financial services or other complex enterprise environments.
  • Strong expertise in business, application, integration, and technology architecture.
  • Experience defining enterprise architecture strategies, governance frameworks, and architecture standards.
  • Proven experience supporting large-scale digital transformation, system integration, platform modernization, or post-merger integration initiatives.
  • Strong understanding of target operating model design, application rationalization, and enterprise integration patterns.
  • Experience preparing architecture recommendations for governance boards and executive stakeholders.
  • Excellent stakeholder management skills with the ability to influence both business and technical audiences.
  • TOGAF certification or equivalent enterprise architecture framework experience.
  • Familiarity with ArchiMate, BizzDesign, or similar enterprise architecture tools is an asset.
  • Excellent analytical, communication, and presentation skills.
  • Fluency in English (written and spoken).
  • Spanish is considered a strong asset.

BONUS POINTS IF YOU HAVE:

  • Experience within post-trade, custody, settlement, asset servicing, fund services, or capital markets environments.
  • Experience supporting M&A, post-merger integration, or large-scale organizational transformation programs.
  • Experience presenting architecture strategies to executive leadership and governance committees.
  • Experience mentoring architects and contributing to the evolution of Enterprise Architecture practices.

As part of our security and compliance procedures, candidates will be required to undergo a criminal background check prior to employment.

About this role

Summary

Define and support enterprise architecture strategies and transformation initiatives in financial services.

Job title

Senior Enterprise Architect – Financial Services

Experience level

10+ years

Minimum experience

10+ years exp

Industry

financial services

Location requirements

Onsite in Luxembourg, no remote work allowed

Salary

Not specified

Management role

No

Skills & keywords

Required skills

enterprise architectureTOGAFstakeholder managementarchitecture standardsintegration patterns

Preferred skills

ArchiMateBizzDesignpost-trade environmentsM&A supportmentoring architects

Specializations

business architectureapplication architecturedata architectureintegration architecturetechnology architecture
Locations

Structured locations inferred from the posting.

Luxembourg

On-site City
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