Talent Acquisition Sourcing Specialist

Our Company At Quantum, we connect global brands with high-intent consumers. We turn intent into action and complexity into clarity. Our Mission is clear, to help smarter, faster buying decisions. Our vision, to be the world’s most used digital comparison service, delivering value and simplicity to millions. We drive growth through data-driven affiliate marketing built for performance from day one. Every campaign is measurable, optimised in real time, and designed to scale. With in-house tech, full-stack analytics, and a compliance-first mindset, we give our partners an edge. We drive confident decisions and growth in regulated and high-growth sectors. We’ve helped ambitious brands grow faster, smarter, and globally. The Role Our Talent Acquisition team is growing! We’re looking for a Talent Acquisition Sourcing Specialist to join our team in London. In this role you will own sourcing strategy for our hardest, business-critical roles, turning hiring briefs into talent maps, targeted headhunting and market intelligence, and build the talent pipelines that give every search a warm start and drive our internal model. This is a sourcing role, with end-to-end recruitment exposure. Key Responsibilities Own sourcing strategy for business-critical, specialist and hard-to-fill roles, agreeing a brief with the TA Manager and hiring manager that covers essential skills, evidence of capability, target markets and candidate motivations, within priorities set by the Head of TA Lead proactive headhunting to identify, engage and build relationships with high-calibre passive candidates, writing tailored outreach and testing messages and channels Lead talent mapping and market research on competitors, emerging talent pools and market trends, looking beyond familiar job titles and companies Hold initial conversations to assess experience, motivation, expectations and availability against agreed criteria, recording evidence and separating confirmed information from assumptions Hand over qualified candidates to the TA Manager with concise notes and high-quality shortlists, use their feedback to refine the search, and keep candidates informed Build and maintain talent pools for recurring and hard-to-fill roles across all Quantum business units Share actionable market intelligence with hiring managers and TA leadership on talent availability, candidate expectations and market conditions, at kick-off and mid-search Use LinkedIn Recruiter, AI, automation and talent intelligence tools to improve sourcing, measure what lifts reply and conversion rates, and share best practice across the TA team Track sourcing metrics, pipeline quality and conversion rates, including time to first qualified shortlist, handover acceptance and progression to interview, to measure impact and find improvements Learn Quantum’s business and employer proposition, and keep high standards of candidate experience, data integrity, contact preferences and recruitment compliance About You Experience in talent sourcing, headhunting or talent research, from agency or in-house, with examples of finding and engaging passive candidates beyond inbound applications A track record of sourcing specialist, technical or hard-to-fill roles through proactive headhunting and talent mapping, with reply rates you can quote Strong search skills, including Boolean techniques, LinkedIn Recruiter and talent intelligence or AI tools, and willingness to test and improve your methods Analytical skills: able to turn market research and talent data into clear insight, and to measure sourcing through pipeline quality, shortlist delivery and conversion Clear, persuasive writing and the ability to build trust with passive candidates in an initial conversation Stakeholder skills to build credibility with TA Managers, leadership and hiring managers, with commercial awareness of talent markets, competitor activity and candidate expectations Curiosity abo