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Senior Business Systems Analyst

Job Description:

Dentsu is an integrated growth and transformation partner to the world's leading organizations. Founded in 1901 in Tokyo, Japan, and now present in over 145 countries and regions, it has a proven track record of nurturing and developing innovations, combining the talents of its global network of leadership brands to develop impactful and integrated growth solutions for clients.

Dentsu delivers end-to-end experience transformation (EX) by integrating its services across Media, CXM and Creative, while its business transformation (BX) mindset pushes the boundaries of transformation and sustainable growth for brands, people and society.

We're hiring a Senior Business Systems Analyst to work from our office in London

Role Summary

The purpose of this role is to elicit and drives requirements at multiple levels of detail for our clients. This role should have a strong attention to detail and is entrusted with accurately documenting requirements and acceptance criteria for a project or solution. This role must be able to interface with the client, third-party vendors, and multi-disciplinary teams to achieve necessary outcomes.

Key Responsibilities

  • Perform end-to-end business analysis across Enterprise Master Data processes, including client onboarding, market governance, data maintenance, and exception handling.
  • Elicit, analyse, and document business requirements that capture business objectives, process needs, and data usage.
  • Lead requirements and process discovery workshops with business users, data owners, and subject matter experts
  • Develop and maintain business process models and functional process flows that show how business activities are supported by systems.
  • Apply data analysis techniques to support business analysis, including reviewing data samples, identifying quality issues, and validating business rules.
  • Ensure test plans, test scenarios, and acceptance criteria align with documented business processes and requirements.

Qualifications & Skills

  • Proven experience in business analysis and business systems analysis within enterprise data or MDM environments.
  • Strong experience analysing and documenting business processes, business requirements, and functional requirements.
  • Demonstrated ability to use data analysis to inform business decisions and requirements definition.
  • Experience leading requirements and process workshops.
  • Experience supporting QA and validating testing against business requirements.

What we offer

  • This is a permanent role
  • The team is based in London and work on a hybrid basis
  • As well as a competitive salary, you'll enjoy a benefits package that you can tailor to your needs.

Inclusion and Diversity

At dentsu, we embrace diversity and inclusion, valuing the unique perspectives and contributions of every individual. We believe that diversity fuels creativity and innovation, benefiting our employees, partners, and communities.

We welcome applications from all individuals, regardless of race, ethnicity, nationality, religion, gender, gender identity, sexual orientation, age, disability, marital status, or any other protected characteristic. Beyond recruitment, we strive to create an environment where everyone feels respected, supported, and empowered to bring their authentic selves to work.

We recognize the importance of work-life balance and are open to discussing flexible working arrangements for all roles. If you need reasonable adjustments due to a disability or medical condition during our recruitment process, please contact us at accommodations@dentsu.com, quoting the reference number of the role that you are applying for. Your needs will be handled with respect and confidentiality to ensure an inclusive and accessible experience.

#LI-Hybrid

Location:
London

Brand:
Global Business Operations

Time Type:
Full time

Contract Type:
Permanent

Senior Business Systems Analyst

London, UK
Full-Time

Published on 27/01/2026

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