Menswear Senior Designer - Knit & Jersey

COS
London

As a Senior Designer at COS you are responsible to deliver the company vision and targets clearly for the Knitwear & Jersey department and leading your team towards this. In this role you are responsible for building and driving a strong assortment, providing products that sits in a complete wardrobe in all layers of the triangle meeting the customers’ requirements and the COS aesthetic. You are responsible to drive the selling, constantly with the customers’ expectations in mind. You will be responsible for growing and developing junior team members within your department.  

What you will do: 

  • Work collaboratively with design, buying and pattern teams from concept to completion aligning on seasonal direction, trends, timelines and customer insights.   

  • Create, drape and garment construction, working with premium fabrics.  

  • Build an assortment by delivering a considered collection that is true to the cos design aesthetic. 

  • Work with the broader design teams to ensure that there is a clear definition between the departments.  

  • Ensure the development of the collection and trends each season, providing a complete wardrobe offer for our customer.   

  • Responsible for driving the research for the knit & jersey department, ensuring customer focus by constantly evaluate and explore our customers, working with our customer types, trends and customer insights and tendencies.  

  • Collaborate with all functions in the design/buying/pattern department, to ensure you deliver an efficient workflow and operate-towards long-and short-term goals that you set for your department.  

  • Lead and develop assistant & junior designers to grow the business, guide them through the whole employee life cycle.

  • Ensure to maintain the critical path by preparing meetings and informing the team.  

  • Provide high level of awareness and knowledge of current and future trends to enhance design quality of the department.  

Qualifications

Alignment to 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.

What you need to succeed:

  • Extensive experience as a senior menswear designer in knitwear & jersey categories

  • Bachelor's Degree in fashion design or related field (knitwear specialism preferred)

  • Strong luxury fashion intelligence, essential to have worked with premium fabrics. 

  • Excellent organizational skills with the ability to delegate effectively, uphold and enhance best practices, and ensure alignment with critical path deadlines.

  • Proven ability to lead and mentor junior team members 

  • Deep technical knowledge of knitted textiles, garment construction, and fit

  • Excellent eye for colour, detail, and proportion

  • In-depth understanding of current and emerging fashion trends

  • Strong focus on sustainability, material innovation, and product development

  • Collaborative team player with excellent communication skills

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.

Additional information

This is a full time permanent role based at out Head office in London

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. You can read more about our H&M Incentive Program here .

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.

Company Description

COS offers a wardrobe of ready-to-wear and accessories rooted in exceptional quality and lasting design. The creative soul of the brand is fuelled by a deep connection to modern culture, dynamic global cities and compelling fashion movements. With an emphasis on expert craftsmanship, innovation and materiality, collections are created with a mindful approach, seamlessly blending contemporary and timeless. Learn more about COS here .

Ready to register interest? 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 2026-05-15

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