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About the Role

We are seeking a Retail Systems Administrator to manage the operational systems critical to a fast-growing fashion, activewear, or direct-to-consumer (DTC) business. This role focuses on supporting the technology ecosystem behind a retail business, including ERP, e-commerce, POS, and warehouse/logistics integrations, enabling successful trading.

Responsibilities

• Own the day-to-day health and performance of operational systems including NetSuite ERP, Shopify, Teamwork Commerce, eCom360, 3PL/WMS integrations, and Narvar.
• Gather business requirements and translate operational needs into technical solutions.
• Define business processes and map data flows across ERP, e-commerce, warehouse, and retail systems.
• Write technical specifications and manage delivery between internal stakeholders and external development partners.
• Own the automation roadmap, identifying opportunities to eliminate manual processes through workflow automation.
• Build, maintain, and monitor automations using modern integration and automation tools.
• Design and maintain a structured, AI-ready knowledge base, ensuring documentation is accurate, accessible, and scalable.
• Lead System Integration Testing (SIT) and User Acceptance Testing (UAT) for new functionality and system enhancements.
• Coordinate cutover planning and support successful go-live activities.
• Provide post-implementation support, monitoring system performance and proactively resolving integration issues.
• Configure systems natively where appropriate, including Saved Searches, workflows, dashboards, custom fields, and UI enhancements within NetSuite and related platforms.
• Deliver training and documentation to ensure operational teams can confidently use business systems.

Requirements

• 3-5 years' experience in a Systems, Operations Technology, or Internal Tools role within a fast-growing fashion, activewear, beauty, lifestyle, or DTC e-commerce business.
• Strong experience with NetSuite ERP, Shopify, and retail POS platforms.
• Experience supporting 3PL and WMS integrations.
• Experience working with middleware or systems integration platforms.
• Hands-on experience with automation tools such as n8n, Make, Zapier, or similar.
• Experience delivering system implementations, upgrades, and enhancements.
• Strong business analysis and process mapping skills.
• Experience producing technical specifications and managing delivery with third-party partners.
• Experience leading SIT, UAT, and go-live activities.
• Excellent stakeholder management and communication skills.
• Experience within premium fashion, activewear, or lifestyle brands.
• Experience creating AI-ready documentation in Notion, Loom, or similar platforms.
• Strong understanding of omnichannel retail operations.
• Demonstrable use of AI tools to improve productivity and operational delivery.
• Experience configuring NetSuite, including Saved Searches, dashboards, workflows, and custom fields.

Skills

• NetSuite ERP
• Shopify
• Retail POS platforms
• 3PL integrations
• WMS integrations
• Middleware
• Systems integration platforms
• Automation tools (n8n, Make, Zapier)
• Business analysis
• Process mapping
• Technical specification writing
• System implementation
• System upgrades
• System enhancements
• SIT
• UAT
• Go-live activities
• Stakeholder management
• Communication
• AI tools
• Notion
• Loom
• Omnichannel retail operations
• NetSuite configuration (Saved Searches, dashboards, workflows, custom fields)

Location

• Old Street, London

Work Type

• Hybrid
• Full Time

Experience Level

• 3-5 years

Benefits

• 25 days annual leave + bank holidays
• Freedom to work from anywhere for up to 4 weeks a year
• 5% employer pension match through salary sacrifice scheme
• Generous Oner Active discount
• Regular office sample sales
• Free Evolve You subscription
• Private Healthcare with Vitality (including optical and dental cover)
• Monthly wellness allowance
• Team workout classes
• Annual discretionary bonus scheme
• Family-friendly maternity & paternity policies
• Start-up culture with hands-on management and career mentoring
• Great employee events (Summer party, Christmas party, team away days)
• Healthy office snacks, fresh fruit, coffee and matcha bar
• Chocolate cupboard
• Dog-friendly office

About the Company

• 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.
• We consistently challenge ourselves to create innovative and impactful products, so that you can perform better.
• 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.

Equal Opportunity

• 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.