Menswear Design Assistant - Jersey

COS
Central London

COS is looking for a Menswear Jersey Design Assistant to join the team in London.

With a clear understanding of the COS' aesthetics and customer to ensure visual and design targets of the brand, the Design Assistant will support the jersey Team with a range of responsibilities, such as communicating sketches clearly and maintaining a clear view of the assortment. You will be eager to push the product to the next level and pay attention to the smallest of details. 

What the Design Assistant will do:

  • Support to drive the assortment throughout your department, by having a clear understanding of our customers and the COS aesthetics. 
  • Collaborate with all functions in the design/buying/pattern department to ensure you deliver an efficient workflow. 
  • Assist in fittings, taking notes and updating technical sketches on Illustrator, and make sure files are communicated. 
  • Assist and help with research as well as file research for the department. 
  • Produce clear and detailed technical packs and build sketch libraries. 
  • Oversee and maintain the collection overviews and sketch boards 
  • Demonstrate a strong design identity in line with COS aesthetics, provide a sense of colours and strong attention to detail. 
  • Collaborate with the fabric developer to research and develop qualities in line with the seasonal directions and commercial needs of the assortment.

What COS is looking for...

Alignment with our company values is the most important characteristic we look for in all new joiners. Our values are the behaviours that we appreciate above and beyond anything else. We are open-minded and curious, we dare to be different, we believe in constant improvement and we empower and trust you to take ownership. Our values are part of who we are, what we stand for and how we act.

In combination with our values, we are also looking for:

  • Experience in a Design Assistant position
  • A certifiable design qualification specialising in Menswear
  • Ability to research thoroughly into the seasonal directions and suggest new ideas suitable for the COS aesthetic while demonstrating a high level of awareness 
  • Understanding and interest in sustainable fashion solutions, material innovation and product development  
  • Strong organisational skills and ability to work in a fast-paced environment, meeting tight deadlines 
  • Proficient with Illustrator and Photoshop. 
  • Wide technical knowledge and strong 3-dimensional sense, and able to do Tech packs. 
  • Knitwear experience would be a plus
  • Experience/knowledge of knitwear would a plus

Please kindly note that in order for us to consider your application, you will need to include a portfolio or examples of your work most suited to the COS design aesthetic.

Benefits

We offer all our employees attractive benefits with extensive development opportunities around the globe. All our employees receive a 25% staff discount usable on all our H&M Group brands in stores and online. In addition to our staff discount, all our employees are included in our H&M Incentive Program – HIP.

In addition to this, UK-based colleagues also receive:

  • Up to 25 days holiday
  • Annual health checks
  • Pension scheme
  • Discounts on various activities and financial/lifestyle products via our benefits hub
  • Cycle to work scheme
  • Discounted gym membership
  • Employee assistance via retail trust
  • Private health & dental care

Inclusion & Diversity

At COS we’re determined to create and maintain inclusive, diverse and equitable workplaces throughout our organisation. Our teams should consist of a variety of people that share and combine their knowledge, experience and ideas. Having a diverse workforce leads to a positive impact on how we address challenges, on what we perceive possible and on how we choose to relate to our colleagues and customers all over the world. Hence all diversity dimensions are taken into consideration in our recruitment process.

We strive to have a fair and equal process and therefore kindly ask you not to attach a cover letter in your application as they often contain information that easily can trigger unintentional biases.

Company Description

About COS: Since our launch in 2007 we have opened stores and sell online in over 40 countries worldwide. Our collection offers elevated essentials, iconic pieces and innovative design. The creative soul of the brand is visualised through our storytelling, seasonal runway shows and connect with contemporary culture to create an experience beyond the expected. From the beginning, our design ethos has always put lasting style, quality and sustainability first. Today 92% of the materials in our collection are more sustainably sourced.

Ready to apply? Click on the I’M INTERESTED link where you can upload your CV and portfolio securely. Once we have received your application, we will keep you updated regularly about the status of your application so please look out for our email.

We are looking forward to hearing from you!

Posted 2026-03-15

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