Sourcing Expert for Network Services and Surveys, Media and Marketing

Job ID: 103491

• London

Do you want to work on complex and pressing challenges—the kind that bring together curious, ambitious, and determined leaders who strive to become better every day? If this sounds like you, you've come to the right place.

YOUR IMPACT

In the role of Expert - Network Services and Surveys in Media and Marketing within Optimize's Global Sourcing Team, you will serve as a strategic sourcing partner for the External Capabilities & Insights (eC&I) team, responsible for managing the portfolio supporting client services.

The eC&I functions as a Center of Excellence dedicated to advancing client service and innovation, overseeing third-party risk, and ensuring optimal resource utilization.

Your role will involve developing and executing strategic plans, working in cross-functional teams, fostering high-impact supplier partnerships, and driving innovation and efficiency across the procurement process.

Your efforts will contribute to enhancing sourcing effectiveness through spend analysis, detailed cost assessments, strategy formulation, requirements alignment, RFP management, business case development, and disciplined negotiation practices.

YOUR GROWTH

You are someone who thrives in a high-performance environment, bringing a growth mindset and entrepreneurial spirit to tackle meaningful challenges that have a real impact.

In return for your drive, determination, and curiosity, we'll provide the resources, mentorship, and opportunities to help you quickly broaden your expertise, grow into a well-rounded professional, and contribute to work that truly makes a difference.

When you join us, you will have:

• Continuous learning: Our learning and apprenticeship culture, backed by structured programs, is all about helping you grow while creating an environment where feedback is clear, actionable, and focused on your development. The real magic happens when you take the input from others to heart and embrace the fast-paced learning experience, owning your journey.
• A voice that matters: From day one, we value your ideas and contributions. You'll make a tangible impact by offering innovative ideas and practical solutions, all while upholding our unwavering commitment to ethics and integrity. We not only encourage diverse perspectives, but they are critical in driving us toward the best possible outcomes.
• Global community: With colleagues across 65+ countries and over 100 different nationalities, our firm's diversity fuels creativity and helps us come up with the best solutions. Plus, you'll have the opportunity to learn from exceptional colleagues with diverse backgrounds and experiences.
• Exceptional benefits: On top of a competitive salary (based on your location, experience, and skills), we provide a comprehensive benefits package to enable holistic well-being for you and your family.

YOUR QUALIFICATIONS AND SKILLS

• Bachelor's degree required
• 8+ years of experience in sourcing, category management, strategy, consulting, or research/knowledge management
• Deep understanding of the external capabilities landscape and strategic sourcing
• Experience partnering with senior leadership on strategic initiatives, operations, and execution
• Strong analytical and problem-solving skills, with a structured, data-driven approach to decision-making
• Demonstrated ability to manage complex stakeholder landscapes, working across teams, functions, and geographies
• Experience with outsourced service models, vendor management, and financial performance tracking is a plus
• Deep entrepreneurial mindset, with the ability to execute at both strategic and operational levels
• Excellent communication skills—able to distill complexity into clear, actionable insights for senior leaders