Vendor Management Specialist

At Quantcast, we're redefining what's possible in digital advertising. As a global Demand Side Platform (DSP) powered by AI, we help marketers connect with the right audiences and deliver measurable results across the Open Web. Our foundation is built on cutting-edge measurement and consumer analytics, giving our clients the tools they need to drive success in an ever-evolving digital landscape. Since our start in 2006, we've pioneered industry firsts—from launching the original measurement platform for digital publishers to introducing the first AI-driven DSP. If you're ready to be part of a dynamic, forward-thinking team that thrives on creating transformative solutions, Quantcast is the perfect place to grow your career. We are looking for a proactive and detail-oriented Vendor Management Specialist to join our Vendor management team. This role supports the full lifecycle of IT and software vendors, including new vendor onboarding, renewals, contract compliance, and cost optimization. The ideal candidate will coordinate closely with IT, Finance, Legal, and Accounting to ensure vendors are managed efficiently, risks are mitigated, and governance standards are maintained. This is an excellent opportunity for someone who thrives in a structured yet dynamic global environment, with exposure to enterprise vendor management processes and cross-functional collaboration. What You'll Do

Maintain an accurate vendor database including key contacts, contract details, renewal dates, and performance metrics.

Coordinate the onboarding of new software vendors, ensuring completion of compliance, legal, and InfoSec checks.

Manage renewals proactively to ensure uninterrupted service and optimal contract terms.

Obtain and validate vendor quotations, negotiate where appropriate, and coordinate approval workflows.

Support Legal and Vendor Risk Management teams with contract reviews, NDAs, and data processing agreements.

Ensure all vendor documents are up-to-date and stored in compliance with internal governance.

Monitor adherence to SLAs and escalate performance or compliance issues when required.

Work with Finance/Accounting to raise POs, track invoices, and reconcile payments.

Maintain visibility of vendor spend and identify opportunities for savings or consolidation.

Support internal audits by maintaining clear, accurate documentation of all vendor activities.

Prepare regular reports and dashboards summarizing vendor performance, contract status, and renewal forecasts.

Collaborate with stakeholders to align vendor services with business objectives.

Act as the main contact for assigned vendors, ensuring strong communication and issue resolution.

Who You Are

2–4 years of experience in vendor management, procurement, or contract administration.

Strong understanding of vendor lifecycle management tools (e.g. Certa, NetSuite, Concur, Contract Wrangler).

Excellent organisational, analytical, and communication skills.

Working knowledge of licensing models, SaaS renewals, and contract structures.

Proficient in Excel and Google workspace.

Experience managing IT or software vendors in a global organization. Understanding of data protection, GDPR, and vendor risk management. ITIL or Software Asset Management (SAM) certification is advantageous. Experience managing enterprise software subscriptions such as Microsoft, Atlassian, Google Workspace, Salesforce, AWS, and other major platforms.