At a Glance
- Tasks: Manage and optimise retail systems for a fast-growing fashion brand.
- Company: Join Oner Active, a dynamic and innovative activewear company.
- Benefits: Enjoy 25 days leave, private healthcare, and a dog-friendly office.
- Other info: Embrace diversity and thrive in a supportive environment.
- Why this job: Make a real impact in a start-up culture with hands-on management.
- Qualifications: 3-5 years in systems or operations technology within e-commerce.
The predicted salary is between 37800 - 46200 £ per year.
Role - Retail Systems Administrator
Reports into
Systems Manager
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
- Our Benefits
- 25 days annual leave + bank holidays, plus the freedom to work from anywhere for up to 4 weeks a year
- 5% employer pension match through our salary sacrifice scheme
- Generous Oner Active discount and regular office sample sales
- Free Evolve You subscription, on us
- Private Healthcare with Vitality, including optical and dental cover
- Monthly wellness allowance and team workout classes to keep you moving
- Annual discretionary bonus scheme
- Family-friendly maternity & paternity policies that actually support you
- Start-up culture - the chance to learn and make a real impact, backed by hands‑on management and career mentoring
- Great employee events like our Summer party, Christmas party and team away days
- Healthy office snacks, fresh fruit and a coffee and matcha bar (plus a chocolate cupboard for a sweet treat for the balance)
- Dog-friendly office
About You
We're looking for someone who has owned and managed the operational systems that a fast-growing fashion, activewear or direct-to-consumer (DTC) business depends on.
You will have experience supporting the technology ecosystem that sits behind a retail business, including the ERP (finance and inventory), e-commerce platform, in-store POS system and the warehouse and logistics integrations that connect them.
Ideally, you'll have gained this experience within a high‑growth fashion, activewear or lifestyle brand where speed, agility and continuous improvement are essential.
This is not a general IT support or infrastructure role.
We're not looking for experience focused on desktop support, cybersecurity, networking, hardware or shop‑floor retail operations.
Instead, we're looking for someone who understands how operational systems work together to enable the business to trade successfully.
The strongest candidates will demonstrate
- Experience with systems such as Net Suite ERP, Shopify and a retail POS platform.
- Experience supporting 3PL, WMS and systems integrations.
- Hands‑on involvement in system implementations, testing (SIT/UAT) and go‑live activities.
- The ability to translate business requirements into technical solutions across multiple stakeholders.
- A continuous improvement mindset with a passion for automation and operational excellence.
Key Responsibilities
- Own the day‑to‑day health and performance of our operational systems, including Net Suite ERP, Shopify, Teamwork Commerce, e Com360, 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 Net Suite and related platforms.
- Deliver training and documentation to ensure operational teams can confidently use business systems.
- What You'll Be Responsible For
You will become the internal subject matter expert for the systems that support Oner Active's operations.
People across Finance, Operations, Merchandising, Retail and Digital will come to you for guidance on system functionality, process improvements and troubleshooting.
- Act as the key liaison between business teams and external technology partners.
- Own automation as a core capability, removing repetitive manual tasks wherever possible.
- Use AI tools to accelerate documentation, reporting, technical specifications, testing and solution design.
- Build and maintain high‑quality operational documentation that supports both employees and future AI agents.
- Provide reporting and analytical support to Finance and Merchandising through accurate dashboards, saved searches and operational insights.
- You need to have
- 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 Net Suite 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 Net Suite, including Saved Searches, dashboards, workflows and custom fields.
- 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.
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Oner Active Retail Systems Administrator in London employer: Oner Active
Oner Active is an exceptional employer that champions a vibrant and inclusive work culture, where every team member is empowered to make a meaningful impact. With a strong focus on employee growth, we offer extensive benefits including generous annual leave, private healthcare, and a supportive environment for continuous learning. Located in the dynamic Old Street area of London, our hybrid working model allows for flexibility while fostering collaboration and innovation within our passionate team dedicated to empowering women through strength training.
StudySmarter Expert Advice🤫
We think this is how you could land Oner Active Retail Systems Administrator in London
✨Join Local Tech Meetups
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We think you need these skills to ace Oner Active Retail Systems Administrator in London
Some tips for your application 🫡
Show off your coding skills:When applying for a software engineering role, it's super important to showcase your coding skills. Make sure your CV includes your tech stack, any relevant programming languages you’re comfortable with, and examples of projects you've worked on. If you have a GitHub profile, link it up! We love to see code in action.
Tailor your portfolio:For a full-time role, we’d expect to see some solid examples of your work in your portfolio. Make sure to include at least two or three projects that highlight your problem-solving skills and your ability to work with different technologies. Focus on the projects that are most relevant to the position at Oner Active.
Craft a killer cover letter:Your cover letter is your chance to stand out—make it personal! Explain why you want to work at Oner Active and how your skills align with the role. Show us your passion for software development. We dig enthusiastic candidates who understand the value of collaboration and continuous learning!
Be clear and concise:When it comes to writing your CV and cover letter, clarity is key. Avoid jargon that could confuse us and stick to simple, direct language. Highlight your achievements with quantifiable results where possible, and keep everything easy to read. A well-organised application goes a long way!
How to prepare for a job interview at Oner Active
✨Brush Up on Your Coding Skills
For a full-time software engineering role, it's crucial that we stay sharp with our coding abilities. Expect technical questions that might involve solving problems on the spot or discussing algorithms. Practise on platforms like LeetCode or HackerRank to get comfortable with the types of questions that often come up.
✨Know Your Tools and Frameworks
Make sure we’re well-acquainted with the tools and technologies listed in the job description. Familiarise ourselves with any specific frameworks or programming languages mentioned. If Oner Active uses React or Node.js, for instance, be ready to discuss how we’ve used them in previous projects or coursework.
✨Showcase Your Projects
Bring along a portfolio that highlights our best work. This could be code samples, GitHub repositories, or any side projects we’ve built. Make sure we can talk through our thought process for each project, especially the challenges we faced and how we solved them—this shows our problem-solving skills in action.
✨Prepare for Behavioural Questions
While technical skills are key, full-time positions also require cultural fit. Be ready to discuss our previous experiences and how we handle teamwork, conflict, and deadlines. Brush up on the STAR method—Situation, Task, Action, Result—to clearly articulate our past experiences when discussing how we've contributed to a team.
