COS offers a wardrobe of ready-to-wear and accessories rooted in exceptional quality and lasting design. The brand has an elevated aesthetic that embodies luxury with an emphasis on craftsmanship, innovation and compelling fashion movements.
Job DescriptionLOCATION: London
FUNCTION: Marketing & Communications
TEAM: Marketing- Paid Meida
MANAGER: Sonia Terry
ABOUT THE ROLE:
As the Global Performance Media Manager at COS, you will play a pivotal role in shaping our global performance media strategy and guiding regional teams to deliver against it. You will bring deep expertise across performance channels and ensure all activity maximises incremental sales, new customer acquisition, and profitability targets. Working closely with analytics and regional paid media teams, you will provide strategic direction, frameworks, and tools to optimise budgets, campaigns, balance traffic and sales goals, and scale best practices globally. You uncover optimisation opportunities, share insights, and guide regional teams to improve performance and ROI. This role blends strategic leadership and stakeholder management with hands-on expertise to elevate COS’ impact in the lower funnel.
RESPONSIBILITIES
- Shape performance media channel strategies, including paid search/shopping, social, display and affiliates – ensuring alignment with business objectives and growth targets
- Stay at the forefront of the peformance media landscape, evaluating emerging platform trends and product updates or releases to ensure COS remains a leader in paid advertising
- Act as the central authority for global execution standards, maintaining channel best-practice and driving excellence across all areas of performance media
- Review execution of lower and mid-funnel paid media activity, ensure alignment with the Global Paid Media Strategy across all performance marketing channels
- Guide and empower regional teams, providing strategic channel guidance, tools, and best practices for campaign execution.
- Develop global best practices, playbooks and frameworks for performance media channels to support consistent and efficient execution across markets
- Act as the first point of contact for regional paid media teams, resolving tactical queries related to performance media
- Champion adoption of AI and automation to improve targeting and spend efficiency
- Lead with a test-and-learn approach, encouraging experimentation to unlock new performance drivers, ensuring all experimentation is aligned to channel roadmaps
- Partner with external vendors to enhance product feeds, drive efficiency and growth across feed-based ad formats
- Drive prioritisation of martech enhancements, to improve the way COS activates across performance media channels
- Translate insights into action, feed into key reporting milestones, share learnings and recommendations across markets and drive actions to scale impact
SKILLS & ABILITIES
- Extensive years of experience working in performance media within a large premium brand or agency environment.
- Technical expertise – deep knowledge of performance media channels including paid search, social, programmatic, affiliates and product feeds.
- Data-driven decision making – strong analytical skills to interpret performance data and formulate insights, translating insights into clear actions.
- Budget optimisation & media efficiency – ability to maximise ROI and drive incremental impact with constrained budgets.
- Global mindset – experience working across multiple markets, balancing global consistency with local nuance.
- Stakeholder management & influence – ability to influence key stakeholders and agencies, as well as to guide and align regional teams without direct ownership.
- Communication skills – clear, concise storytelling and ability to translate complex data into actionable recommendations.
- Commercial acumen – understanding of how paid media investment drives revenue, profitability, and customer growth.
- Collaboration – ability to work cross-functionally with analytics, CRM, brand, and e-commerce teams.
- Governance & best practice development – ability to create scalable frameworks and elevate execution standards globally.
- Experience in working with large-scale global media agencies, ensuring they deliver against both strategic KPIs and operational SLAs
This is a full‑time role based in London. The position requires a presence in the office 3 days a week. To apply for this role, please submit your application, including a copy of your CV, no later than 8th May 2026. We encourage you to apply as soon as possible, interviews will take place week from April 27th – 15th May 2026 held in person.


