Careers at WALTHAM

What does it means to be a Mars Associate?
Find out at

We currently have the following vacancies:


Do you want to design efficient scientific experiments? Are you excited to be challenged by a variety of projects with complex data sets?
We are looking to recruit a Statistician to the Data Analytics team at WALTHAM, the global research centre for Mars Petcare. The role will help shape research projects that drive innovation alongside other stakeholders as well as report on progress, results, experimental design and statistical analysis.


Find out more

What you'll do:

- Design - deliver study designs with efficient use of resources and high ethical standards maintained.
- Interrogate - analyse experimental data to generate thorough reports that are critical for scientific publications and patents and contribute to insights and product innovation.
- Review - Peer-review scientific work and communications from different stakeholders across our Petcare ecosystem to guarantee quality and corporate reputation.
- Grow - Train and educate the research teams on statistical methodologies to instil a culture of formal and objective experimental science.
- Advocate – share the purpose of data-driven research and work to high scientific standards
Closing date: 18 September 2019
For full description and to apply - click here

Veterinary Surgeon

We are looking to recruit a Veterinary Surgeon to join our team focused on the veterinary care of the pets at WALTHAM, the global research centre for Mars Petcare. As part of our pet health team, you will deliver high quality veterinary care to our resident research population, which enables scientific insights that impact millions of pets worldwide through Mars Petcare products and services.


Find out more

What you'll do:

- Provide routine veterinary care for our animal population, including rounds & surgery - Drive continuous improvement initiatives in veterinary services
- Be the deputy Named Veterinary Surgeon (NVS) for the research centre
- Develop leadership skills and transferable competencies that go beyond pure veterinary medicine

For full description and to apply - click here

Pet Unit Specialist

We are looking to recruit Pet Unit Specialists to work with our cats and dogs at WALTHAM, the global research centre for Mars Petcare. This role is critical to the day to day delivery of our research trials but also to ensure a high standard of care to our pets.


Find out more

What you'll do:

- Data collection – Collect and record accurately all relevant animal samples and data
- Delivery of dog/cat life skills training, recreation and socialisation
- Husbandry and care – Deliver and record all care and husbandry tasks on your designated animal unit (e.g. feeding, grooming, clipping/trimming, tooth brushing and health checks)

What You’ll Need:
- A good general education to GCSE standard or equivalent. Grade C or above is essential in Maths and English, and grade C or above in Science is preferable
- Though not essential, a relevant degree or animal based qualification would be desirable.
- A flexible working style, good communication, planning and organisation skills and proven ability to work in a team are all essential.
- Experience of working with cats or dogs and a passion for animals is essential. Proven experience of animal training and welfare is preferred.

See what current Unit Specialist, Debi Samuels, has to say about the role here.

Closing date: 1 September 2019
For full description and to apply - click here

Business Systems Owner

We are looking to recruit a Business Systems Manager reporting to our Data and Systems Manager. At WALTHAM, the global research centre for Mars Petcare, and across our network of product testing centres, we generate a wide range of data from our operational and research activities. Our high-quality data allows us to generate new insights into pet health and nutrition, and to make better strategic business decisions.
The Business Systems Manager will have an important role delivering a programme of change with our IT partners and internal stakeholders that will transform our systems landscape and provide an infrastructure that supports our Petcare Purpose to create: a Better World for Pets by extending global leadership in nutrition, health and services powered by data.


Find out more

What you'll do:
• Own multiple strategic systems that support our product testing and fundamental science with a deep understanding of each solution at the data, technical and business process levels.
• Drive analysis activities to define both operational and strategic requirements by working with a range of stakeholders. Work with IT partners to identify and scope suitable solutions, ensuring that data standards are maintained and integration requirements are clearly defined.
• Project management - deliver complex systems projects with budgets up to $500k including business change management.
• Define systems’ ownership and support models and contribute to support activities where necessary.
• As the data lake lead, ensure data quality and availability, maintaining data dictionaries for operational systems and managing data requests from data scientists, researchers and operational team.
For full description and to apply - click here

To search for more roles at Mars - visit

Our veterinary business, Linnaeus, has the following vacancy:

Clinical Research and Excellence Manager

Are you a Veterinary Surgeon with an outstanding record in clinical research and an understanding of ethical review methods in the UK?
Do you have experience of evidence based veterinary medicine?
Are you highly organised, self-motivated with an engaging and enthusiastic approach to projects?
Can you lead collaborations and help clinicians reach their full potential in veterinary research?

The main purpose of this newly created position will be to lead and support clinical research outputs of the highest quality within Linnaeus. This role will also liaise with the quality team to ensure that evidence based veterinary medicine is delivered within Linnaeus practices.

Closing date: 23 August 2019

To find out more and apply, click here


About us

Find out about why we are committed to Pet Healthcare and Nutrition

Our Science

Explore the research we do, here at WALTHAM