2 days/week at home

Core hours 11–3

Dog friendly

Job Description

Job Description:

We are searching for an experienced Senior Data Architect to join our team and lead our data architecture initiatives. The ideal candidate will possess a deep understanding of data modelling, database design, and data management strategies. As a Senior Data Architect, you will play a critical role in shaping our data architecture, ensuring data integrity, security, and availability, and driving the organization's data strategy and governance.

What are we looking for?

  • Bachelor's or Master's degree in Computer Science, Information Technology, or a related field.

  • 5+ years of hands-on experience in data architecture and database design within complex enterprise environments.

  • Proficiency in data modelling techniques, database normalization, and denormalization strategies.

  • Strong understanding of data integration patterns, ETL processes, data warehousing, and data lake architectures.

  • Experience with a variety of database systems, such as relational databases (e.g., SQL Server, Oracle) and NoSQL databases (e.g., MongoDB, Cassandra).

  • Familiarity with data governance, data quality, and data lineage concepts.

  • Knowledge of data security best practices, including encryption, access controls, and compliance with data regulations.

  • Proficiency in data visualization tools and techniques for conveying complex data concepts.

  • Excellent problem-solving skills and the ability to analyze and address complex data-related challenges.

  • Exceptional communication skills to convey technical concepts to technical and non-technical audiences.

  • Leadership capabilities with a proven track record of leading data architecture efforts and mentoring team members.

  • Strong analytical mindset and a commitment to staying updated on industry trends.

What will be your key responsibilities?

  • Lead the design and implementation of scalable and efficient data architecture solutions that support current and future business needs.

  • Collaborate with cross-functional teams, including business analysts, data engineers, other domain architects, product owners, and stakeholders, to define data requirements and translate them into comprehensive data models.

  • Develop data architecture strategies, standards, and best practices that guide data governance, quality, security, and integration efforts.

  • Create and maintain logical and physical data models, entity-relationship diagrams, and data dictionaries to ensure a clear understanding of data structures and relationships.

  • Assess and recommend appropriate data storage technologies, database management systems, and data processing frameworks to optimize performance and scalability.

  • Design data integration and ETL processes to ensure seamless data flow across systems and support business intelligence and reporting requirements.

  • Define and enforce data security and privacy measures, including access controls, encryption, and compliance with relevant data regulations (e.g., GDPR, HIPAA).

  • Collaborate with solution architects and enterprise architects to align data architecture with overall IT and business strategies.

  • Provide technical leadership and mentorship to data engineering and analytics teams, fostering a culture of innovation and continuous improvement.

  • Stay up-to-date with emerging data technologies, trends, and best practices to drive innovation within the organization.

  • Lead discussions and presentations to communicate complex data architecture concepts to technical and non-technical stakeholders.

  • Collaborate with external vendors and partners as necessary to evaluate and implement data-related solutions.

  • Assist in the estimation of project timelines, resources, and budgets related to data architecture efforts.

  • Contribute to the development and maintenance of data architecture documentation, guidelines, and reference architectures.

What can you expect from Mars?

  • Work with over 130,000 diverse and talented Associates, all guided by the Five Principles.

  • Join a purpose driven company, where we’re striving to build the world we want tomorrow, today.

  • Best-in-class learning and development support from day one, including access to our in-house Mars University.

  • An industry competitive salary and benefits package, including company bonus.

Mars is an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability status, protected veteran status, or any other characteristic protected by law. If you need assistance or an accommodation during the application process because of a disability, it is available upon request. The company is pleased to provide such assistance, and no applicant will be penalized as a result of such a request.

Company benefits

Open to part-time employees
Open to job sharing
Open to compressed hours
Enhanced maternity leave – 26 weeks at 90% pay
Enhanced paternity leave – 26 weeks at 90% pay
24 days annual leave + bank holidays
“Pawternity” leave
Pregnancy loss leave
Bank holiday swaps
Employees are very happy with their working location freedom
Employees are very happy with the flexibility in the hours they work
Employees are very happy with the benefits their company offers
Work-life balance
Employees feel that they can switch off quite easily from work
Role modelling
Employees feel that flexible working is part of the culture
Employees feel they have complete autonomy over getting their work done

Additional employee ratings
(these do not contribute to the FlexScore®)

Employees feel that the diversity is good and there are continued efforts to improve it
Employees feel that the culture supports equity and inclusivity well
Employees feel like it is a really great environment to work in
Employees feel very excited about and aligned with the company mission
Employees feel that their salary is good and matches the value they bring

Working at Mars UK

Company employees

4,000 In the UK

Gender diversity (male:female)


Office locations

London, Slough, Waltham, Castle Cary, Birstall, Plymouth

Hiring Countries




United Kingdom

United States

Awards & Achievements

1st – Large companies

1st – Large companies

Flexa100 2024
Consumer Goods

Consumer Goods

Industry awards 2023
3rd – Large companies

3rd – Large companies

Flexa100 2023
Retail & Ecommerce

Retail & Ecommerce

Industry awards 2022

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