About Runderwear
At Runderwear, we believe comfort changes performance.
We're the original performance underwear brand, helping runners stay comfortable from their first 5K to ultramarathons. Every product is designed to eliminate chafing and distraction, so runners can focus on enjoying every mile.
We're a fast-growing brand selling directly to customers and via retail across the UK, Europe, the US and Australia, with ambitious plans for international growth. We're looking for someone who wants to grow with us and play a key role in delivering marketing that has a direct impact on the business globally.
Marketing is a small focused team, supported by freelancers and agency partners. We're a small, ambitious company where good ideas matter more than job titles. If you're someone who enjoys making things happen and seeing the impact of your work, you'll fit right in.
The Role
We're looking for an experienced Senior Marketing Executive to help deliver our marketing strategy across multiple channels.
This is a broad, hands-on execution role that combines campaign delivery, CRM, partnerships, reporting and project coordination. While email and SMS marketing through Klaviyo is a key part of the role, you'll also support product launches, seasonal campaigns, paid media, loyalty, affiliate marketing and wider marketing initiatives.
You'll report to the CMO and work closely with the Founder, helping turn ideas into execution and ensuring marketing activity is delivered to a consistently high standard.
No two weeks are the same. One day you could be launching a new product, analysing campaign performance or briefing creative assets. The next, you might be coordinating with agencies, optimising customer journeys or researching new marketing opportunities.
We're looking for someone who enjoys taking ownership of their work, brings ideas to the table and is motivated by delivering measurable results. You'll be commercially minded, quick to pick up new tools and platforms and always looking for new trends and opportunities to help us stay ahead.
What You'll Be Doing
Marketing Campaigns
- Support the planning and execution of product launches, seasonal campaigns and promotional activity.Coordinate campaign delivery across email, website, paid media, social and affiliate channels. Work closely with our design and content team to ensure campaigns are delivered on time and to a high standard. Help bring new marketing ideas and initiatives to life.
Email & SMS (Klaviyo)
- Manage and optimise our Klaviyo email and SMS programme. Plan and execute campaign communications. Refine customer segmentation and personalisation. Continuously optimise existing lifecycle journeys. Test creative, messaging and offers to improve performance. Monitor deliverability, engagement and revenue.
Partnerships
- Support the management and growth of our affiliate programme.Help manage our loyalty programme and referral initiatives. Build relationships with partners and identify new collaboration opportunities.
Paid Media
- Act as the day-to-day contact for our paid media agency.Coordinate creative briefs and campaign requirements. Participate in weekly performance reviews. Support landing page and promotional planning.
Reporting & Commercial Insights
- Produce weekly and monthly marketing reports.Analyse campaign and channel performance. Identify trends, opportunities and areas for improvement. Support commercial planning with actionable insights.
Innovation
- Keep up to date with developments in eCommerce and digital marketing. Bring fresh ideas, tools and best practices to the team. Look for opportunities to improve efficiency, customer experience and marketing performance.
What We're Looking For
Essential
- 3+ years' experience in an eCommerce or DTC marketing role.
- Strong hands-on experience with Klaviyo, including campaign management, segmentation, reporting and lifecycle optimisation.
- Experience managing both email and SMS marketing.
- Commercially minded with strong analytical skills.
- Able to take ownership of tasks and see them through to completion with minimal supervision.
- Digitally savvy and quick to learn new tools and platforms.
- Excellent written English with strong copywriting skills.
- Strong attention to detail and ability to manage multiple priorities.
- Confident working with agencies, external partners and cross-functional teams.
Nice to Have
- Comfortable using AI tools to improve productivity and marketing execution.
- Experience managing affiliate programmes.
- Experience with customer loyalty platforms.
- Shopify experience.
- GA4, GTM and GSC experience.
- Adobe Creative Suite experience.
- An interest in emerging marketing trends and eCommerce innovation.
- A runner or someone with a genuine interest in running, endurance sports or fitness.
Who Will Thrive Here
- Enjoy working in a fast-moving environment where priorities can change.
- Love turning ideas into action.
- Are commercially minded, curious and eager to learn.
- Take ownership of your work and proactively identifies opportunities.
- Are quick to pick up new tools and technology to work smarter.
- Care about the quality of your work and the results it delivers.
- Get excited about running, endurance sport or helping people live more active lives.
Why Join Runderwear?
- Work closely with the CMO and Founder, gaining exposure to every aspect of a growing international eCommerce brand.
- Be part of an ambitious business with exciting growth plans across the UK, Europe, the US and Australia.
- Develop your skills across CRM, campaigns, partnerships, paid media and wider digital marketing.
- Work in a collaborative team where your ideas are valued and you'll see the impact of your work.
- Staff product allowance.
- Pension scheme. Generous holiday allowance.
- Office-based in our Poole HQ, with hybrid working considered for the right candidate.
Interview Process
- Assessment task.
- Video or in-person interview with the CMO.
- In-person interview with the CEO.
- Meet the team.
Start Date
From August 2026, subject to notice period.
How to Apply
Please send us your CV to together with a short covering note telling us about a marketing campaign, customer journey optimisation or a project you're particularly proud of, the objective behind it, the commercial results it achieved and why Runderwear is a good fit for you.
Pay: £40,000.00-£45,000.00 per year
Work Location: Hybrid remote in Poole BH15 1SR
