Junior Merchandiser

Oner Active; Greater London; Hybrid; GBP 25,000 - 32,000; Full time

Benefits offered by this job

25 days annual leave + bank holidays

Hybrid working 3 days in London office

Private healthcare

Pension scheme

Staff discounts

Wellness allowance

Team events

Dog-friendly office

Job summary

Oner Active in London is seeking a Junior Merchandiser to support the merchandising team with stock planning, trading insights and performance reviews. You’ll work closely with the Senior Merchandiser and Head of Merchandising to drive growth across channels.

Based in Old Street with a hybrid pattern (3 days in the office), you’ll own the WSSI, monitor stock, analyse sales data and contribute to budget planning while developing cross-functional relationships across the business.

Qualifications

• Ideally experience in a Junior Merchandiser role within a fast-paced retail business.
• Strong communication skills to collaborate across all levels.
• Proven ability to perform under pressure with strong problem solving.
• Highly numerate with a keen eye for data analysis.
• Commercially minded with understanding of trading performance.
• Demonstrated leadership to motivate a team toward targets.
• Proficient in Microsoft Excel and able to generate reports.

Responsibilities

• Own and manage the WSSI, reviewing performance and insights.
• Plan budgets by category and channels aligned with objectives.
• Monitor stock levels to ensure timely launches.
• Review sales forecasts and re-forecast when needed.
• Analyse trading data to identify best and worst sellers.
• Support maintaining buying and gross margin targets.
• Provide strategic recommendations to drive growth.
• Foster cross-functional relationships across merchandising, buying & design.
• Maintain commercial awareness of customer behavior and market trends.
• Oversee intake and stock management with supplier contacts.
• Line manage the Assistant Merchandiser and Merchandise Administrator.
• Create and maintain ad hoc reports to support decisions.

Skills

Junior Merchandiser experience

Strong communication

Problem solving

Numerate

Trading awareness

Leadership

Excel

Tools

Microsoft Excel

Job description

Role: Junior Merchandiser

Reports into: Senior Merchandiser

Contract Type: Full time, working 7.5 hours per day, 5 days per week

Location: Hybrid, working 3 days a week in our offices based in Old Street, London

About Us

Nothing is clearer to us than the belief that every woman should include strength training in her life to enhance both physical and mental well-being. It's about building strong bodies and even stronger minds, asserting their right to take up space in the gym, and allowing the spotlight to shine bright on their progress.

To us, strength training represents a determined, goal-oriented mindset and an unwavering work ethic. We don't wait for success; we create it through hard work and determination. When faced with challenges, we don't back down; instead, we break through barriers, recognising that true progress lies on the other side.

These are the pillars that form the foundation of Oner Active. We consistently challenge ourselves to create innovative and impactful products, so that you can perform better. With our range of products and innovative approach, we provide a wide variety of colours to ensure that all skin tones genuinely radiate in Oner.

Our Purpose and Mission

We are on a mission to unite and empower women to be the strongest version of themselves through strength training. We want to inspire women to take centre stage in the gym by promoting strength training, which underpins all movement and sport, as a healthy foundation in life.

Our Benefits

• 25 days annual leave + bank holidays and work from anywhere up to 4 weeks a year

• 5% employer match salary sacrifice pension scheme

• Generous Oner Active discount plus regular office sample sales

• Free Evolve You subscription

• Private Healthcare with AXA including optical and dental

• Monthly wellness allowance and team workout classes

• Start-up culture - the chance to learn and make a real impact

• Great employee events like our Summer party, Christmas party and team away days

• Healthy office snacks and fruit (plus a chocolate cupboard for a sweet treat for the balance)

• Dog friendly office

The Merchandising Team:

At Oner Active, the Merchandising team plays a key role in turning data into strategy and strategy into success. We're passionate about product performance, customer insight, and driving decisions that lead to commercial growth. We collaborate across Buying, Product Development, Marketing, and Logistics to ensure the right products are in the right place, at the right time - and we’re proud to support a brand that’s going global.

About You:

As a Junior Merchandiser you will be working closely with your Senior Merchandiser alongside the Head of Merchandising to support the growth of Oner Active. We are looking for a candidate ideally already operating at Junior Merchandiser level within a fast-paced retail business, experience in DTC private label is a must. When you’re not busy planning and managing stock levels, you’ll also be looking after intake and focusing on sales performance. You’ll be part of the go-to team for many other business areas and should have experience in building cross-functional relationships and multitasking.

• Own and manage the WSSI, consistently reviewing performance and extracting key insights to inform trading decisions

• Support / Lead the planning of budgets by category and across channels, including option count and depth of buy, aligned with the company’s overarching commercial and financial objectives

• Monitor stock levels to ensure timely product launches, maintain availability of core continuity lines, and proactively highlight and mitigate any risks

• Regularly review sales forecasts based on performance, taking appropriate action to re-forecast when necessary

• Analyse trading data to identify best and worst sellers, making data-driven recommendations for in-season actions, including restocks or markdowns

• Support the maintenance of buying and gross profit margins, ensuring alignment with financial targets

• Provide strategic recommendations to the business via the Head of Merchandising to drive growth and optimise performance

• Foster strong, collaborative relationships across merchandising, buying & design as well as all other key business functions, teamwork is central to our success

• Maintain a high level of commercial awareness, considering customer behaviour, competitor activity, and wider market trends

• Oversee intake and stock management processes and act as the primary point of contact for all supplier-related matters

• Line manage and support the development of the Assistant Merchandiser and Merchandise Administrator, championing growth and performance

• Create and maintain ad hoc and regular reports to support trading decisions

You’ll need to have:

• Ideally experience in a Junior Merchandiser role, within a fast-paced retail business

• Strong communication skills with the confidence to collaborate effectively across all levels of the business

• Proven ability to perform under pressure, with strong problem-solving capabilities

• Highly numerate with a keen eye for data, able to analyse and synthesise information from multiple sources

• Commercially minded with a clear understanding of trading performance and customer behaviour

• Demonstrated ability to lead, support, and motivate a team to meet both individual and collective targets

• Proficient in Microsoft Office, particularly Excel, with the ability to create and interpret reports with ease

• As a growing start-up, flexibility and a hands-on approach are essential, you're someone who’s willing to step outside of your role to support the wider business when needed

Equality, Diversity, and Inclusion

At Oner Active it’s about embracing diversity and empowering every individual to reach their full potential. We are committed to creating an environment where everyone feels valued, supported, and able to thrive.

We welcome applications from all backgrounds and are dedicated to ensuring that everyone has equal access to opportunities during the recruitment process. If you require any reasonable adjustments or additional support, we encourage you to reach out to our Recruitment team — we’re here to support you every step of the way.