Mars UK • United States of America

Data Engineer

Employment type:  Full time

3–4 days/week at home

Core hours 11–3

Dog friendly

Job Description

Job Description:

*** This role can be performed remotely in the US or hybrid at our New Jersey, and Chicago offices

Job Purpose/Overview

One Demand Data & Analytics (ODDA) is a Mars Wrigley program that harnesses the power of data and insights to solve some of the critical business-wide problems we face – unlocking quality growth and operational excellence.

Through ODDA, we deliver connected insights across the entire demand ecosystem. We empower our Associates with the right data, tools and capabilities so they can take decisive action, maximizing value and making a meaningful impact on our consumers, our customers and our business.

The Portfolio & Innovation Analytics vertical within ODDA seeks to equip Mars Associates with the capabilities needed to address portfolio health and innovation from a holistic and analytics-driven viewpoint.

Key Responsibilities

  • Design, develop, optimize, and maintain data architecture and pipelines that adhere to ELT principles and business goals

  • Solve complex data problems to deliver insights that helps business to achieve goals

  • Create data products for engineer, analyst, and data scientist team members to improve their productivity

  • Advise, consult, mentor and coach other data and analytic professionals on data standards and practices

  • Foster a culture of sharing, re-use, design for scale stability, and operational efficiency of data and analytical solutions

  • Define and execute the Analytics Data Engineering roadmap (and work with enterprise BI to enhance the data lake and a real-time reporting environment for operations)

  • Lead complex process improvement and project management engagements for both individual business units and cross-divisional initiatives

  • Lead the evaluation, implementation and deployment of emerging tools and process for analytic data engineering in order to improve productivity as a team

  • Develop and deliver communication and education plans on analytic data engineering capabilities, standards, and processes

  • Partner with machine learning engineers, BI, and solutions architects to develop technical architectures for strategic enterprise projects and initiatives.

  • Mentor junior members in technical proficiency and business acumen

  • Learn about machine learning, data science, computer vision, artificial intelligence, statistics, and/or applied mathematics

  • Interface with business unit leaders to develop and maintain internal customer relationships

Job Specifications/Qualifications

  • Master’s degree in computer science, application programming, software development, information systems, database administration, mathematics, engineering, or other related field

  • 6+ years in a rapid development environment, preferably within an analytics environment

  • Demonstrated ability to be work with internal (Operations) and external (IT) stakeholders

  • Must be able to interact and collaborate at all levels within Operations Analysis & Performance, OCC, cross-divisional working groups, and outside entities

  • Experience with increasing code quality and implementing best practices across teams

  • Advanced technical skills in the following areas:

  • Proficiency in SQL (CTE, window functions, temporal data), SAP HANA experience is a large plus

  • Proficiency in a scripting language (Python preferred)

  • Proficiency of API Consumption

  • Proficiency in ETL tooling (such as Informatica)

  • Proven expertise in SAP ECC and SAP APO is a big plus

  • Excellent communication skills and ability to present concepts to non-technical audience

  • Must be able to interact and collaborate at all levels within Operations Analysis & Performance, OCC, cross-divisional working groups, and outside entities

  • Strong project management, organizational, and prioritizations skills

  • 2 to 4 years' experience in applied data science role or equivalent; ideally in a CPG, Retail

  • Knowledge and experience in modelling techniques and advanced applied skills (e.g. significance testing, GLM/Regression, Random Forest, Boosting, Trees, text mining, social network analysis, etc.) using tools like Spark, Scala, SAS, R, Python, Bayesia, H2O, Storm, Yarn, and Kafka

  • Experience querying databases (SQL, Hive)

  • Experience working with big data platforms such as Hadoop ecosystem (Azure), including in-memory solutions (SAP HANA and Apache Spark)

  • Working knowledge of data visualization tools such as Tableau, Power BI, D3, ggplot, to deliver output to the broader business community to improve decision making and productivity

  • Strong communication and presentation skills

What can you expect from Mars?

  • Work with over 130,000 like-minded 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

We asked employees of Mars UK how satisfied they were with flexible working, and this is what they told us

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

Flexa100 2024

1st – Large companies

Industry awards 2023

Consumer Goods

Flexa100 2023

3rd – Large companies

Industry awards 2022

Retail & Ecommerce