Who We Are

Science In Sport Group is a world leader in sports and performance nutrition.

We have two highly regarded brands; SiS which combines world-class science and innovation to provide optimal performance nutritional solutions for professional athletes, sports and fitness enthusiasts and the active lifestyle community. This includes over 320 professional teams worldwide across a broad range of sports including Football, Rugby, Cycling, Athletics, Basketball, Netball and Swimming. Brand ambassadors include former track cyclist Sir Chris Hoy, an eleven-time world champion and six-time Olympic champion, and Eilish McColgan, who won gold in the 2022 Commonwealth Games 10,000 metres.

PhD Nutrition is a premium, active-nutrition brand for the active lifestyle community wanting intelligent nutrition to help them achieve their goals. With over 20 years of research and development, our products are designed to maximise performance in and out of the gym. It’s an exciting time for PhD Nutrition as 2026 will kick off an entirely new line up of brand ambassadors, from hybrid athletes to qualified sports nutritionists.

The two brands sell through the phd.com and scienceinsport.com digital platforms, third-party online marketplaces including Amazon, as well as extensive domestic and international retail distribution.

In 2022 the company opened a state of the art 160,000 square foot manufacturing and logistics facility in Blackburn, Lancashire. Providing a significant advantage in product costs and customer response time and most importantly, allowing Science In Sport to lead the way for quality standards.

Science In Sport is the nutrition partner to globally recognised elite teams, including Tottenham Hotspur, Saracens Rugby, British Triathlon, Aquatics GB, British Cycling, England Netball and Loughborough Sports. As well as being the Official Energy Gel Provider of RunThrough and the Official Nutrition Partner of Ultra X.

The Role

Following the establishment of a new leadership team, recent change in ownership structure and a strategic review of our Marketplace business model we are recruiting a Marketplace Executive to play a pivotal role executing our ambitious digital commerce growth strategy. The role will play a key part executing the SIS eCommerce strategy in particular interfacing with Amazon marketplaces across the UK, Europe, North America, Middle East, Asia Pacific & LATAM.

• Contract: Permanent

• Salary: Up to £36,000

• Working Hours: 09:00 - 17:30 Monday to Friday

• Location: Blackburn

Benefits

• On-site gym

• Cycle to work scheme

• Product discount

• Birthday day off

• Pension scheme, employer contribution at 4%
  

The work - Your 4 most important responsibilities

· Amazon Execution – Working with our new Amazon go-to-market partner to execute the SIS & PhD strategy across key regions

· Data Obsessed – Use data, analytics and competitive insights to drive outperformance of our brands across international marketplaces

· Internal Collaboration – collaborate brilliantly with internal teams across compliance, finance, customer service and sales to drive best in class execution of our brands

·Financial performance – Drive profitable growth across our digital commerce business

Accountability – what you are responsible for delivering

· Work closely with the Head of Marketplace & Digital Trading to execute the SiS digital commerce agenda

· Interface with Pattern POCs globally, managing priorities, accountability and performance

· Work closely with Pattern and internal counterparts to develop best-in-class consumer facing content to execute across global marketplaces using Pattern’s latest proprietary AI technology

· Building accurate, bottom-up forecasts in collaboration with in-market and SiS demand planning teams

· Own all elements of SiS master data and share with Pattern

· Enhancing the customer journey by ensuring a seamless shopping experience, addressing customer feedback, and improving service quality.

· Working closely with sales, marketing, product development, and finance teams to align marketplace goals with overall business objectives

· Identifying and unlocking new strategic opportunities to grow the SiS marketplace business

· Monitoring marketplace performance metrics, conducting data analysis to assess sales, customer behaviour, identifying improvement areas and reporting them back to SiS leadership

Capability - the skills and behaviours required to do this job well

· High levels of commercial acumen

· Strong interpersonal skills to build and maintain long-term and productive relationships with customers and colleagues

· Analytical, data-led approach to problem solving

· Prior experience working within an Amazon 3P business

· Proven track record of building brands across marketplaces

· Expertise in Amazon Vendor or Seller Central, with understanding of marketplace levers and advertising optimization

Performance – how you will know you are doing a great job

· Growth in key eCommerce metrics such as traffic, conversion and AOV

· Delivering of key P&L metrics such as revenue and profit

· Growth in market share of SiS brands

Specific metrics will be set when in role and will be reviewed and built upon regularly. Alongside this, you will be supported with a personal performance plan that will enable you to continue improving your own performance and impact.

Attributes – experience and mindset that will enable you to do well in this role.

· Demonstrable approach working across Amazon 3P businesses and other marketplaces in the UK and internationally

· Entrepreneurial approach to digital commerce growth

· Strategic focus on building brands on Amazon

· Strong reporting skills with the ability to disseminate data and articulate it clearly

· Ability to remain resilient within a dynamic and fast-paced business

Science in Sport Group is an equal opportunity employer; we value diversity and strive to cultivate an inclusive workplace. We do not tolerate discrimination of any kind in regard to race, colour, religion, gender, gender identity, sexual orientation, national origin, ethnicity, age, disability, marital status, or any other characteristic protected by law. We fully support reasonable adjustments throughout our recruitment process, to provide an inclusive and welcoming recruitment experience.